test: fix TestEventBus

test: fix TestEventBus_GetEvents
2026-02-06 13:42:28 +08:00 · 2025-03-07 10:42:22 +08:00 · 2025-03-07 10:37:41 +08:00 · 2025-03-07 10:34:20 +08:00 · 2025-03-07 10:29:19 +08:00 · 2025-03-06 20:11:21 +08:00
58 changed files with 3512 additions and 420 deletions
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 <br/>

 ![Go version](https://img.shields.io/badge/go-%3E%3Dv1.18-9cf)
-[![Release](https://img.shields.io/badge/release-2.3.4-green.svg)](https://github.com/duke-git/lancet/releases)
+[![Release](https://img.shields.io/badge/release-2.3.5-green.svg)](https://github.com/duke-git/lancet/releases)
 [![GoDoc](https://godoc.org/github.com/duke-git/lancet/v2?status.svg)](https://pkg.go.dev/github.com/duke-git/lancet/v2)
 [![Go Report Card](https://goreportcard.com/badge/github.com/duke-git/lancet/v2)](https://goreportcard.com/report/github.com/duke-git/lancet/v2)
 [![test](https://github.com/duke-git/lancet/actions/workflows/codecov.yml/badge.svg?branch=main&event=push)](https://github.com/duke-git/lancet/actions/workflows/codecov.yml)
@@ -39,7 +39,7 @@
 go get github.com/duke-git/lancet/v2 // will install latest version of v2.x.x
 ```

-2. <b>For users who use version below go1.18, you should install v1.x.x. The latest of v1.x.x is v1.4.5. </b>
+2. <b>For users who use version below go1.18, you should install v1.x.x. The latest of v1.x.x is v1.4.6. </b>

 ```go
 go get github.com/duke-git/lancet // below go1.18, install latest version of v1.x.x
@@ -333,7 +333,7 @@ import "github.com/duke-git/lancet/v2/convertor"
    [[play](https://go.dev/play/p/HwdDPFcza1O)]
 -   **<big>ToBigInt</big>** : converts an integer of any supported type (int, int64, uint64, etc.) to *big.Int.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/convertor.md#ToBigInt)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/X3itkCxwB_x)]

 <h3 id="cryptor"> 6. Cryptor package is for data encryption and decryption.&nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">index</a></h3>

@@ -469,10 +469,10 @@ import "github.com/duke-git/lancet/v2/cryptor"
    [[play](https://go.dev/play/p/zutRHrDqs0X)]
 -   **<big>RsaEncrypt</big>** : encrypt data with ras algorithm.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/cryptor.md#RsaEncrypt)]
-    [[play](https://go.dev/play/p/uef0q1fz53I)]
+    [[play](https://go.dev/play/p/7_zo6mrx-eX)]
 -   **<big>RsaDecrypt</big>** : decrypt data with ras algorithm.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/cryptor.md#RsaDecrypt)]
-    [[play](https://go.dev/play/p/uef0q1fz53I)]
+    [[play](https://go.dev/play/p/7_zo6mrx-eX)]
 -   **<big>GenerateRsaKeyPair</big>** : creates rsa private and public key.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/cryptor.md#GenerateRsaKeyPair)]
    [[play](https://go.dev/play/p/sSVmkfENKMz)]
@@ -484,10 +484,10 @@ import "github.com/duke-git/lancet/v2/cryptor"
    [[play](https://go.dev/play/p/sSVmkfENKMz)]
 -   **<big>RsaSign</big>** : signs the data with RSA.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/cryptor.md#RsaSign)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/qhsbf8BJ6Mf)]
 -   **<big>RsaVerifySign</big>** : verifies the signature of the data with RSA.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/cryptor.md#RsaVerifySign)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/qhsbf8BJ6Mf)]

 <h3 id="datetime"> 7. Datetime package supports date and time format and compare. &nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">index</a></h3>

@@ -506,9 +506,24 @@ import "github.com/duke-git/lancet/v2/datetime"
 -   **<big>AddMinute</big>** : add or sub day to the time.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/datetime.md#AddMinute)]
    [[play](https://go.dev/play/p/nT1heB1KUUK)]
+-   **<big>AddWeek</big>** : add or sub week to time.
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/datetime.md#AddWeek)]
+    [[play](https://go.dev/play/p/todo)]
+-   **<big>AddMonth</big>** : add or sub months to time.
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/datetime.md#AddMonth)]
+    [[play](https://go.dev/play/p/todo)]
 -   **<big>AddYear</big>** : add or sub year to the time.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/datetime.md#AddYear)]
    [[play](https://go.dev/play/p/MqW2ujnBx10)]
+-   **<big>AddDaySafe</big>** : add or sub days to the time and ensure that the returned date does not exceed the valid date of the target year and month.
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/datetime.md#AddDaySafe)]
+    [[play](https://go.dev/play/p/todo)]
+-   **<big>AddMonthSafe</big>** : add or sub months to the time and ensure that the returned date does not exceed the valid date of the target year and month.
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/datetime.md#AddMonthSafe)]
+    [[play](https://go.dev/play/p/todo)]
+-   **<big>AddYearSafe</big>** : Add or sub years to the time and ensure that the returned date does not exceed the valid date of the target year and month.
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/datetime.md#AddYearSafe)]
+    [[play](https://go.dev/play/p/todo)]
 -   **<big>BeginOfMinute</big>** : return the date time at the begin of minute of specific date.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/datetime.md#BeginOfMinute)]
    [[play](https://go.dev/play/p/ieOLVJ9CiFT)]
@@ -633,13 +648,13 @@ import "github.com/duke-git/lancet/v2/datetime"
    [[play](https://go.dev/play/p/6kHBpAxD9ZC)]
 -   **<big>Min</big>** : returns the earliest time among the given times.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/datetime.md#Min)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/MCIDvHNOGGb)]
 -   **<big>Max</big>** : returns the latest time among the given times.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/datetime.md#Max)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/9m6JMk1LB7-)]
 -   **<big>MaxMin</big>** : returns the latest and earliest time among the given times.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/datetime.md#MaxMin)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/rbW51cDtM_2)]

 <h3 id="datastructure"> 8. Datastructure package contains some common data structure. eg. list, linklist, stack, queue, set, tree, graph. &nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">index</a></h3>

@@ -680,6 +695,45 @@ import optional "github.com/duke-git/lancet/v2/datastructure/optional"
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/datastructure/optional.md)]
      

+<h3 id="eventbus"> 9. EventBus is an event bus used for handling events within an application. &nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">Index</a></h3>
+
+```go
+import "github.com/duke-git/lancet/v2/eventbus"
+```
+
+#### 函数列表:
+
+-   **<big>NewEventBus</big>** : Create an EventBus instance.
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/eventbus.md#NewEventBus)]
+    [[play](https://go.dev/play/p/todo)]
+-   **<big>Subscribe</big>** : subscribes to an event with a specific event topic and listener function.
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/eventbus.md#Subscribe)]
+    [[play](https://go.dev/play/p/todo)]
+-   **<big>Unsubscribe</big>** : unsubscribes from an event with a specific event topic and listener function.
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/eventbus.md#Unsubscribe)]
+    [[play](https://go.dev/play/p/todo)]
+-   **<big>Publish</big>** : publishes an event with a specific event topic and data payload.
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/eventbus.md#Publish)]
+    [[play](https://go.dev/play/p/todo)]
+-   **<big>ClearListeners</big>** : clears all the listeners.
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/eventbus.md#ClearListeners)]
+    [[play](https://go.dev/play/p/todo)]
+-   **<big>ClearListenersByTopic</big>** : clears all the listeners by topic.
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/eventbus.md#ClearListenersByTopic)]
+    [[play](https://go.dev/play/p/todo)]
+-   **<big>GetListenersCount</big>** : returns the number of listeners for a specific event topic.
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/eventbus.md#GetListenersCount)]
+    [[play](https://go.dev/play/p/todo)]
+-   **<big>GetAllListenersCount</big>** : returns the total number of all listeners.
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/eventbus.md#GetAllListenersCount)]
+    [[play](https://go.dev/play/p/todo)]
+-   **<big>GetEvents</big>** : returns all the events topics.
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/eventbus.md#GetEvents)]
+    [[play](https://go.dev/play/p/todo)]
+-   **<big>SetErrorHandler</big>** : sets the error handler function.
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/eventbus.md#SetErrorHandler)]
+    [[play](https://go.dev/play/p/todo)]
+
 <h3 id="fileutil"> 9. Fileutil package implements some basic functions for file operations. &nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">index</a></h3>

 ```go
@@ -777,7 +831,7 @@ import "github.com/duke-git/lancet/v2/fileutil"
    [[play](https://go.dev/play/p/teMXnCsdSEw)]
 -   **<big>GetExeOrDllVersion</big>** : Get the version of exe or dll file on windows os.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/fileutil.md#GetExeOrDllVersion)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/iLRrDBhE38E)]

 <h3 id="formatter"> 10. Formatter contains some functions for data formatting. &nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">index</a></h3>

@@ -1145,16 +1199,16 @@ import "github.com/duke-git/lancet/v2/mathutil"
    [[play](https://go.dev/play/p/WLxDdGXXYat)]
 -   **<big>Variance</big>** : returns the variance of numbers.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/mathutil.md#Variance)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/uHuV4YgXf8F)]
 -   **<big>StdDev</big>** : returns the standard deviation of numbers.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/mathutil.md#StdDev)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/FkNZDXvHD2l)]
 -   **<big>Permutation</big>** : calculates P(n, k).
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/mathutil.md#Permutation)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/MgobwH_FOxj)]
 -   **<big>Combination</big>** : calculates C(n, k).
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/mathutil.md#Combination)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/ENFQRDQUFi9)]

 <h3 id="netutil"> 14. Netutil package contains functions to get net information and send http request. &nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">index</a></h3>

@@ -1317,7 +1371,7 @@ import "github.com/duke-git/lancet/v2/random"
    [[play](https://go.dev/play/p/68UikN9d6VT)]
 -   **<big>RandNumberOfLength</big>** : generates a random int number of specified length.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/random.md#RandNumberOfLength)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/oyZbuV7bu7b)]

 <h3 id="retry"> 17. Retry package is for executing a function repeatedly until it was successful or canceled by the context. &nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">index</a></h3>

@@ -1423,6 +1477,9 @@ import "github.com/duke-git/lancet/v2/slice"
 -   **<big>EqualWith</big>** : checks if two slices are equal with comparator func.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/slice.md#EqualWith)]
    [[play](https://go.dev/play/p/b9iygtgsHI1)]
+-   **<big>EqualUnordered</big>** : Checks if two slices are equal: the same length and all elements value are equal (unordered).
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/slice.md#EqualUnordered)]
+    [[play](todo)]
 -   **<big>Every</big>** : return true if all of the values in the slice pass the predicate function.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/slice.md#Every)]
    [[play](https://go.dev/play/p/R8U6Sl-j8cD)]
@@ -1522,6 +1579,9 @@ import "github.com/duke-git/lancet/v2/slice"
 -   **<big>Shuffle</big>** : shuffle the slice.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/slice.md#Shuffle)]
    [[play](https://go.dev/play/p/YHvhnWGU3Ge)]
+-   **<big>ShuffleCopy</big>** : return a new slice with elements shuffled.
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/slice.md#ShuffleCopy)]
+    [[play](todo)]
 -   **<big>IsAscending</big>** : Checks if a slice is ascending order.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/slice.md#IsAscending)]
    [[play](https://go.dev/play/p/9CtsFjet4SH)]
@@ -1613,10 +1673,10 @@ import "github.com/duke-git/lancet/v2/slice"
    [[play](https://go.dev/play/p/CW3UVNdUZOq)]
 -   **<big>JoinFunc</big>** : joins the slice elements into a single string with the given separator.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/slice.md#JoinFunc)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/55ib3SB5fM2)]
 -   **<big>ConcatBy</big>** : concats the elements of a slice into a single value using the provided separator and connector function.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/slice.md#ConcatBy)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/6QcUpcY4UMW)]

 <h3 id="stream"> 19. Stream package implements a sequence of elements supporting sequential and operations. this package is an experiment to explore if stream in go can work as the way java does. its function is very limited. &nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">index</a></h3>

@@ -1668,6 +1728,9 @@ import "github.com/duke-git/lancet/v2/stream"
 -   **<big>Reverse</big>** : returns a stream whose elements are reverse order of given stream.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/stream.md#Reverse)]
    [[play](https://go.dev/play/p/A8_zkJnLHm4)]
+-   **<big>ReverseCopy</big>** : returns a new slice of element order is reversed to the given slice.
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/stream.md#ReverseCopy)]
+    [[play](todo)]
 -   **<big>Range</big>** : returns a stream whose elements are in the range from start(included) to end(excluded) original stream.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/stream.md#Range)]
    [[play](https://go.dev/play/p/indZY5V2f4j)]
@@ -1709,10 +1772,10 @@ import "github.com/duke-git/lancet/v2/stream"
    [[play](https://go.dev/play/p/jI6_iZZuVFE)]
 -   **<big>IndexOf</big>** : returns the index of the first occurrence of the specified element in this stream.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/stream.md#IndexOf)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/tBV5Nc-XDX2)]
 -   **<big>LastIndexOf</big>** : returns the index of the last occurrence of the specified element in this stream.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/stream.md#LastIndexOf)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/CjeoNw2eac_G)]

 <h3 id="structs"> 20. Structs package provides several high level functions to manipulate struct, tag, and field. &nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">index</a></h3>

@@ -1896,8 +1959,10 @@ import "github.com/duke-git/lancet/v2/strutil"
    [[play](https://go.dev/play/p/JZiu0RXpgN-)]
 -   **<big>ExtractContent</big>** : extracts the content between the start and end strings in the source string.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/strutil.md#ExtractContent)]
-    [[play](https://go.dev/play/p/todo)]
-
+    [[play](https://go.dev/play/p/Ay9UIk7Rum9)]
+-   **<big>FindAllOccurrences</big>** : Returns the positions of all occurrences of a substring in a string.
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/strutil.md#FindAllOccurrences)]
+    [[play](todo)]

 <h3 id="system"> 22. System package contain some functions about os, runtime, shell command. &nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">index</a></h3>

@@ -2151,6 +2216,9 @@ import "github.com/duke-git/lancet/v2/validator"
 -   **<big>IsIpV6</big>** : check if the string is ipv6.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/validator.md#IsIpV6)]
    [[play](https://go.dev/play/p/AHA0r0AzIdC)]
+-   **<big>IsIpPort</big>** : check if the string is ip:port.
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/validator.md#IsIpPort)]
+    [[play](todo)]
 -   **<big>IsStrongPassword</big>** : check if the string is strong password.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/validator.md#IsStrongPassword)]
    [[play](https://go.dev/play/p/QHdVcSQ3uDg)]
@@ -2249,7 +2317,7 @@ import "github.com/duke-git/lancet/v2/xerror"
    [[play](https://go.dev/play/p/acyZVkNZEeW)]
 -   **<big>TryCatch</big>** : simple simulation of Java-style try-catch. 
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/xerror.md#TryCatch)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/D5Mdb0mRj0P)]

 ## How to Contribute

--- a/README_zh-CN.md
+++ b/README_zh-CN.md
@@ -4,7 +4,7 @@
 <br/>

 ![Go version](https://img.shields.io/badge/go-%3E%3Dv1.18-9cf)
-[![Release](https://img.shields.io/badge/release-2.3.4-green.svg)](https://github.com/duke-git/lancet/releases)
+[![Release](https://img.shields.io/badge/release-2.3.5-green.svg)](https://github.com/duke-git/lancet/releases)
 [![GoDoc](https://godoc.org/github.com/duke-git/lancet/v2?status.svg)](https://pkg.go.dev/github.com/duke-git/lancet/v2)
 [![Go Report Card](https://goreportcard.com/badge/github.com/duke-git/lancet/v2)](https://goreportcard.com/report/github.com/duke-git/lancet/v2)
 [![test](https://github.com/duke-git/lancet/actions/workflows/codecov.yml/badge.svg?branch=main&event=push)](https://github.com/duke-git/lancet/actions/workflows/codecov.yml)
@@ -38,7 +38,7 @@
 go get github.com/duke-git/lancet/v2 //安装v2最新版本v2.x.x
 ```

-2. <b>使用 go1.18 以下版本的用户，必须安装 v1.x.x。目前最新的 v1 版本是 v1.4.5。</b>
+2. <b>使用 go1.18 以下版本的用户，必须安装 v1.x.x。目前最新的 v1 版本是 v1.4.6。</b>

 ```go
 go get github.com/duke-git/lancet// 使用go1.18以下版本, 必须安装v1.x.x版本
@@ -333,7 +333,7 @@ import "github.com/duke-git/lancet/v2/convertor"
    [[play](https://go.dev/play/p/HwdDPFcza1O)]
 -   **<big>ToBigInt</big>** : 将整数转为*big.Int。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/convertor.md#ToBigInt)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/X3itkCxwB_x)]

 <h3 id="cryptor"> 6. cryptor 加密包支持数据加密和解密，获取 md5，hash 值。支持 base64, md5, hmac, aes, des, rsa。&nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">回到目录</a></h3>

@@ -470,10 +470,10 @@ import "github.com/duke-git/lancet/v2/cryptor"
    [[play](https://go.dev/play/p/zutRHrDqs0X)]
 -   **<big>RsaEncrypt</big>** : 用公钥文件 ras 加密数据。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/cryptor.md#RsaEncrypt)]
-    [[play](https://go.dev/play/p/uef0q1fz53I)]
+    [[play](https://go.dev/play/p/7_zo6mrx-eX)]
 -   **<big>RsaDecrypt</big>** : 用私钥文件 rsa 解密数据。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/cryptor.md#RsaDecrypt)]
-    [[play](https://go.dev/play/p/uef0q1fz53I)]
+    [[play](https://go.dev/play/p/7_zo6mrx-eX)]
 -   **<big>GenerateRsaKeyPair</big>** : 创建rsa公钥私钥和key。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/cryptor.md#GenerateRsaKeyPair)]
    [[play](https://go.dev/play/p/sSVmkfENKMz)]
@@ -485,10 +485,10 @@ import "github.com/duke-git/lancet/v2/cryptor"
    [[play](https://go.dev/play/p/sSVmkfENKMz)]
 -   **<big>RsaSign</big>** : 应用RSA算法签名数据。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/cryptor.md#RsaSign)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/qhsbf8BJ6Mf)]
 -   **<big>RsaVerifySign</big>** : 验证数据的签名是否符合RSA算法。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/cryptor.md#RsaVerifySign)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/qhsbf8BJ6Mf)]

 <h3 id="datetime"> 7. datetime日期时间处理包，格式化日期，比较日期。&nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">回到目录</a></h3>

@@ -507,9 +507,24 @@ import "github.com/duke-git/lancet/v2/datetime"
 -   **<big>AddMinute</big>** : 将日期加/减分钟数。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/datetime.md#AddMinute)]
    [[play](https://go.dev/play/p/nT1heB1KUUK)]
+-   **<big>AddWeek</big>** : 将日期加/减星期数.
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/datetime.md#AddWeek)]
+    [[play](https://go.dev/play/p/todo)]
+-   **<big>AddMonth</big>** : 将日期加/减月数.
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/datetime.md#AddMonth)]
+    [[play](https://go.dev/play/p/todo)]
 -   **<big>AddYear</big>** : 将日期加/减分年数。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/datetime.md#AddYear)]
    [[play](https://go.dev/play/p/MqW2ujnBx10)]
+-   **<big>AddDaySafe</big>** : 增加/减少指定的天数，并确保日期是有效日期。
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/datetime.md#AddDaySafe)]
+    [[play](https://go.dev/play/p/todo)]
+-   **<big>AddMonthSafe</big>** : 增加/减少指定的月份，并确保日期是有效日期。
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/datetime.md#AddMonthSafe)]
+    [[play](https://go.dev/play/p/todo)]
+-   **<big>AddYearSafe</big>** : 增加/减少指定的年份，并确保日期是有效日期。
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/datetime.md#AddYearSafe)]
+    [[play](https://go.dev/play/p/todo)]
 -   **<big>BeginOfMinute</big>** : 返回指定时间的分钟开始时间。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/datetime.md#BeginOfMinute)]
    [[play](https://go.dev/play/p/ieOLVJ9CiFT)]
@@ -635,13 +650,13 @@ import "github.com/duke-git/lancet/v2/datetime"
    [[play](https://go.dev/play/p/6kHBpAxD9ZC)]
 -   **<big>Min</big>** : 返回最早时间。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/datetime.md#Min)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/MCIDvHNOGGb)]
 -   **<big>Max</big>** : 返回最晚时间。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/datetime.md#Max)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/9m6JMk1LB7-)]
 -   **<big>MaxMin</big>** : 返回最早和最晚时间。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/datetime.md#MaxMin)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/rbW51cDtM_2)]


 <h3 id="datastructure"> 8. datastructure 包含一些普通的数据结构实现。例如：list, linklist, stack, queue, set, tree, graph。&nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">回到目录</a></h3>
@@ -679,7 +694,46 @@ import hashmap "github.com/duke-git/lancet/v2/datastructure/hashmap"
 -   **<big>Hashmap</big>** : 哈希映射。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/datastructure/hashmap.md)]

-<h3 id="fileutil"> 9. fileutil 包含文件基本操作。&nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">回到目录</a></h3>
+<h3 id="eventbus"> 9. EventbBus是一个事件总线，用于在应用程序中处理事件。&nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">回到目录</a></h3>
+
+```go
+import "github.com/duke-git/lancet/v2/eventbus"
+```
+
+#### 函数列表:
+
+-   **<big>NewEventBus</big>** : 创建EventBus实例。
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/eventbus.md#NewEventBus)]
+    [[play](https://go.dev/play/p/todo)]
+-   **<big>Subscribe</big>** : 订阅具有特定事件主题和监听函数的事件。支持异步，事件优先级，事件过滤器。
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/eventbus.md#Subscribe)]
+    [[play](https://go.dev/play/p/todo)]
+-   **<big>Unsubscribe</big>** : 取消订阅具有特定事件主题的事件。
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/eventbus.md#Unsubscribe)]
+    [[play](https://go.dev/play/p/todo)]
+-   **<big>Publish</big>** : 发布一个带有特定事件主题和数据负载的事件。
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/eventbus.md#Publish)]
+    [[play](https://go.dev/play/p/todo)]
+-   **<big>ClearListeners</big>** : 清空所有事件监听器。
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/eventbus.md#ClearListeners)]
+    [[play](https://go.dev/play/p/todo)]
+-   **<big>ClearListenersByTopic</big>** : 清空特定事件监听器。
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/eventbus.md#ClearListenersByTopic)]
+    [[play](https://go.dev/play/p/todo)]
+-   **<big>GetListenersCount</big>** : 获取特定事件的监听器数量。
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/eventbus.md#GetListenersCount)]
+    [[play](https://go.dev/play/p/todo)]
+-   **<big>GetAllListenersCount</big>** : 获取所有事件的监听器数量。
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/eventbus.md#GetAllListenersCount)]
+    [[play](https://go.dev/play/p/todo)]
+-   **<big>GetEvents</big>** : 获取所有事件的topic。
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/eventbus.md#GetEvents)]
+    [[play](https://go.dev/play/p/todo)]
+-   **<big>SetErrorHandler</big>** : 设置事件的错误处理函数。
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/eventbus.md#SetErrorHandler)]
+    [[play](https://go.dev/play/p/todo)]
+
+<h3 id="fileutil"> 10. fileutil 包含文件基本操作。&nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">回到目录</a></h3>

 ```go
 import "github.com/duke-git/lancet/v2/fileutil"
@@ -776,10 +830,10 @@ import "github.com/duke-git/lancet/v2/fileutil"
    [[play](https://go.dev/play/p/teMXnCsdSEw)]
 -   **<big>GetExeOrDllVersion</big>** : 返回exe,dll文件版本号(仅Window平台)。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/fileutil.md#GetExeOrDllVersion)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/iLRrDBhE38E)]


-<h3 id="formatter"> 10. formatter 格式化器包含一些数据格式化处理方法。&nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">回到目录</a></h3>
+<h3 id="formatter"> 11. formatter 格式化器包含一些数据格式化处理方法。&nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">回到目录</a></h3>

 ```go
 import "github.com/duke-git/lancet/v2/formatter"
@@ -809,7 +863,7 @@ import "github.com/duke-git/lancet/v2/formatter"
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/formatter.md#ParseBinaryBytes)]
    [[play](https://go.dev/play/p/69v1tTT62x8)]

-<h3 id="function"> 11. function 函数包控制函数执行流程，包含部分函数式编程。&nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">回到目录</a></h3>
+<h3 id="function"> 12. function 函数包控制函数执行流程，包含部分函数式编程。&nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">回到目录</a></h3>

 ```go
 import "github.com/duke-git/lancet/v2/function"
@@ -874,7 +928,7 @@ import "github.com/duke-git/lancet/v2/function"



-<h3 id="maputil"> 12. maputil 包括一些操作 map 的函数。&nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">回到目录</a></h3>
+<h3 id="maputil"> 13. maputil 包括一些操作 map 的函数。&nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">回到目录</a></h3>

 ```go
 import "github.com/duke-git/lancet/v2/maputil"
@@ -1045,7 +1099,7 @@ import "github.com/duke-git/lancet/v2/maputil"
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/maputil.md#GetOrDefault)]
    [[play](https://go.dev/play/p/99QjSYSBdiM)]

-<h3 id="mathutil"> 13. mathutil 包实现了一些数学计算的函数。&nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">回到目录</a></h3>
+<h3 id="mathutil"> 14. mathutil 包实现了一些数学计算的函数。&nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">回到目录</a></h3>

 ```go
 import "github.com/duke-git/lancet/v2/mathutil"
@@ -1145,18 +1199,18 @@ import "github.com/duke-git/lancet/v2/mathutil"
    [[play](https://go.dev/play/p/WLxDdGXXYat)]
 -   **<big>Variance</big>** : 计算方差。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/mathutil.md#Variance)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/uHuV4YgXf8F)]
 -   **<big>StdDev</big>** : 计算标准差。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/mathutil.md#StdDev)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/FkNZDXvHD2l)]
 -   **<big>Permutation</big>** : 计算排列数P(n, k)。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/mathutil.md#Permutation)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/MgobwH_FOxj)]
 -   **<big>Combination</big>** : 计算组合数C(n, k)。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/mathutil.md#Combination)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/ENFQRDQUFi9)]

-<h3 id="netutil"> 14. netutil 网络包支持获取 ip 地址，发送 http 请求。&nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">回到目录</a></h3>
+<h3 id="netutil"> 15. netutil 网络包支持获取 ip 地址，发送 http 请求。&nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">回到目录</a></h3>

 ```go
 import "github.com/duke-git/lancet/v2/netutil"
@@ -1229,7 +1283,7 @@ import "github.com/duke-git/lancet/v2/netutil"
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/netutil.md#IsTelnetConnected)]
    [[play](https://go.dev/play/p/yiLCGtQv_ZG)]

-<h3 id="pointer"> 15. pointer 包支持一些指针类型的操作。&nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">回到目录</a></h3>
+<h3 id="pointer"> 16. pointer 包支持一些指针类型的操作。&nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">回到目录</a></h3>

 ```go
 import "github.com/duke-git/lancet/v2/pointer"
@@ -1253,7 +1307,7 @@ import "github.com/duke-git/lancet/v2/pointer"
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/pointer.md#UnwrapOrDefault)]
    [[play](https://go.dev/play/p/ZnGIHf8_o4E)]

-<h3 id="random"> 16. random 随机数生成器包，可以生成随机[]bytes, int, string。&nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">回到目录</a></h3>
+<h3 id="random"> 17. random 随机数生成器包，可以生成随机[]bytes, int, string。&nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">回到目录</a></h3>

 ```go
 import "github.com/duke-git/lancet/v2/random"
@@ -1317,9 +1371,9 @@ import "github.com/duke-git/lancet/v2/random"
    [[play](https://go.dev/play/p/68UikN9d6VT)]
 -   **<big>RandNumberOfLength</big>** : 生成指定长度的随机数。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/random.md#RandNumberOfLength)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/oyZbuV7bu7b)]

-<h3 id="retry"> 17. retry 重试执行函数直到函数运行成功或被 context cancel。&nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">回到目录</a></h3>
+<h3 id="retry"> 18. retry 重试执行函数直到函数运行成功或被 context cancel。&nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">回到目录</a></h3>

 ```go
 import "github.com/duke-git/lancet/v2/retry"
@@ -1353,7 +1407,7 @@ import "github.com/duke-git/lancet/v2/retry"



-<h3 id="slice"> 18. slice 包含操作切片的方法集合。&nbsp; &nbsp; &nbsp; &nbsp; <a href="#index">回到目录</a></h3>
+<h3 id="slice"> 19. slice 包含操作切片的方法集合。&nbsp; &nbsp; &nbsp; &nbsp; <a href="#index">回到目录</a></h3>

 ```go
 import "github.com/duke-git/lancet/v2/slice"
@@ -1421,6 +1475,9 @@ import "github.com/duke-git/lancet/v2/slice"
 -   **<big>EqualWith</big>** : 检查两个切片是否相等，相等条件：对两个切片的元素调用比较函数 comparator，返回 true。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/slice.md#EqualWith)]
    [[play](https://go.dev/play/p/b9iygtgsHI1)]
+-   **<big>EqualUnordered</big>** : 检查两个切片是否相等，元素数量相同，值相等，不考虑元素顺序。
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/slice.md#EqualUnordered)]
+    [[play](todo)]
 -   **<big>Every</big>** : 如果切片中的所有值都通过谓词函数，则返回 true。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/slice.md#Every)]
    [[play](https://go.dev/play/p/R8U6Sl-j8cD)]
@@ -1496,6 +1553,9 @@ import "github.com/duke-git/lancet/v2/slice"
 -   **<big>Reverse</big>** : 反转切片中的元素顺序。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/slice.md#Reverse)]
    [[play](https://go.dev/play/p/8uI8f1lwNrQ)]
+-   **<big>ReverseCopy</big>** : 反转切片中的元素顺序, 不改变原slice。
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/stream.md#ReverseCopy)]
+    [[play](todo)]
 -   **<big>Reduce<sup>deprecated</sup></big>** : 将切片中的元素依次运行 iteratee 函数，返回运行结果。(废弃：建议使用 ReduceBy)
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/slice.md#Reduce)]
    [[play](https://go.dev/play/p/_RfXJJWIsIm)]
@@ -1520,6 +1580,9 @@ import "github.com/duke-git/lancet/v2/slice"
 -   **<big>Shuffle</big>** : 随机打乱切片中的元素顺序。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/slice.md#Shuffle)]
    [[play](https://go.dev/play/p/YHvhnWGU3Ge)]
+-   **<big>ShuffleCopy</big>** : 随机打乱切片中的元素顺序, 不改变原切片。
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/slice.md#ShuffleCopy)]
+    [[play](todo)]
 -   **<big>IsAscending</big>** : 检查切片元素是否按升序排列。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/slice.md#IsAscending)]
    [[play](https://go.dev/play/p/9CtsFjet4SH)]
@@ -1610,12 +1673,12 @@ import "github.com/duke-git/lancet/v2/slice"
    [[play](https://go.dev/play/p/CW3UVNdUZOq)]
 -   **<big>JoinFunc</big>** : 将切片元素用给定的分隔符连接成一个单一的字符串。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/slice.md#JoinFunc)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/55ib3SB5fM2)]
 -   **<big>ConcatBy</big>** : 将切片中的元素连接成一个值，使用指定的分隔符和连接器函数。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/slice.md#ConcatBy)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/6QcUpcY4UMW)]

-<h3 id="stream"> 19. stream 流，该包仅验证简单的 stream 实现，功能有限。&nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">回到目录</a></h3>
+<h3 id="stream"> 20. stream 流，该包仅验证简单的 stream 实现，功能有限。&nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">回到目录</a></h3>

 ```go
 import "github.com/duke-git/lancet/v2/stream"
@@ -1706,12 +1769,12 @@ import "github.com/duke-git/lancet/v2/stream"
    [[play](https://go.dev/play/p/jI6_iZZuVFE)]
 -   **<big>IndexOf</big>** : 返回在stream中找到值的第一个匹配项的索引，如果找不到值，则返回-1。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/stream.md#IndexOf)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/tBV5Nc-XDX2)]
 -   **<big>LastIndexOf</big>** : 返回在stream中找到值的最后一个匹配项的索引，如果找不到值，则返回-1。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/stream.md#LastIndexOf)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/CjeoNw2eac_G)]

-<h3 id="structs"> 20. structs 提供操作 struct, tag, field 的相关函数。&nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">回到目录</a></h3>
+<h3 id="structs"> 21. structs 提供操作 struct, tag, field 的相关函数。&nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">回到目录</a></h3>

 ```go
 import "github.com/duke-git/lancet/v2/structs"
@@ -1748,7 +1811,7 @@ import "github.com/duke-git/lancet/v2/structs"
 -   **<big>IsTargetType</big>** : 判断属性是否是目标类型。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/struct.md#IsTargetType)]

-<h3 id="strutil"> 21. strutil 包含字符串处理的相关函数。&nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">回到目录</a></h3>
+<h3 id="strutil"> 22. strutil 包含字符串处理的相关函数。&nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">回到目录</a></h3>

 ```go
 import "github.com/duke-git/lancet/v2/strutil"
@@ -1896,9 +1959,13 @@ import "github.com/duke-git/lancet/v2/strutil"
    [[play](https://go.dev/play/p/JZiu0RXpgN-)]
 -   **<big>ExtractContent</big>** : 提取两个标记之间的内容。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/strutil.md#ExtractContent)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/Ay9UIk7Rum9)]
+-   **<big>FindAllOccurrences</big>** : 返回子字符串在字符串中所有出现的位置。
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/strutil.md#FindAllOccurrences)]
+    [[play](todo)]

-<h3 id="system"> 22. system 包含 os, runtime, shell command 的相关函数。&nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">回到目录</a></h3>
+
+<h3 id="system"> 23. system 包含 os, runtime, shell command 的相关函数。&nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">回到目录</a></h3>

 ```go
 import "github.com/duke-git/lancet/v2/system"
@@ -1948,7 +2015,7 @@ import "github.com/duke-git/lancet/v2/system"



-<h3 id="tuple"> 23. Tuple 包实现一个元组数据类型。&nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">回到目录</a></h3>
+<h3 id="tuple"> 24. Tuple 包实现一个元组数据类型。&nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">回到目录</a></h3>

 ```go
 import "github.com/duke-git/lancet/v2/tuple"
@@ -2065,7 +2132,7 @@ import "github.com/duke-git/lancet/v2/tuple"
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/tuple.md#Unzip10)]
    [[play](https://go.dev/play/p/-taQB6Wfre_z)]

-<h3 id="validator"> 24. validator 验证器包，包含常用字符串格式验证函数。&nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">回到目录</a></h3>
+<h3 id="validator"> 25. validator 验证器包，包含常用字符串格式验证函数。&nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">回到目录</a></h3>

 ```go
 import "github.com/duke-git/lancet/v2/validator"
@@ -2151,6 +2218,9 @@ import "github.com/duke-git/lancet/v2/validator"
 -   **<big>IsIpV6</big>** : 验证字符串是否是ipv6地址。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/validator.md#IsIpV6)]
    [[play](https://go.dev/play/p/AHA0r0AzIdC)]
+-   **<big>IsIpPort</big>** : 检查字符串是否是ip:port格式。
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/validator.md#IsIpPort)]
+    [[play](todo)]
 -   **<big>IsStrongPassword</big>** : 验证字符串是否是强密码：（字母+数字+特殊字符)。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/validator.md#IsStrongPassword)]
    [[play](https://go.dev/play/p/QHdVcSQ3uDg)]
@@ -2200,7 +2270,7 @@ import "github.com/duke-git/lancet/v2/validator"
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/validator.md#IsChinaUnionPay)]
    [[play](https://go.dev/play/p/yafpdxLiymu)]

-<h3 id="xerror"> 25. xerror 包实现一些错误处理函数。&nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">回到目录</a></h3>
+<h3 id="xerror"> 26. xerror 包实现一些错误处理函数。&nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">回到目录</a></h3>

 ```go
 import "github.com/duke-git/lancet/v2/xerror"
@@ -2249,7 +2319,7 @@ import "github.com/duke-git/lancet/v2/xerror"
    [[play](https://go.dev/play/p/acyZVkNZEeW)]
 -   **<big>TryCatch</big>** : 简单实现的java风格异常处理（try-catch-finally）。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/xerror.md#TryCatch)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/D5Mdb0mRj0P)]

 ## 如何贡献代码

--- a/concurrency/channel.go
+++ b/concurrency/channel.go
@@ -157,10 +157,10 @@ func (c *Channel[T]) Tee(ctx context.Context, in <-chan T) (<-chan T, <-chan T)
 // Play: https://go.dev/play/p/qmWSy1NVF-Y
 func (c *Channel[T]) Bridge(ctx context.Context, chanStream <-chan <-chan T) <-chan T {
 	valStream := make(chan T)
-
 	go func() {
 		defer close(valStream)
-
+		wg := sync.WaitGroup{}
+		defer wg.Wait()
 		for {
 			var stream <-chan T
 			select {
@@ -169,19 +169,22 @@ func (c *Channel[T]) Bridge(ctx context.Context, chanStream <-chan <-chan T) <-c
 					return
 				}
 				stream = maybeStream
+				wg.Add(1)
 			case <-ctx.Done():
 				return
 			}

-			for val := range c.OrDone(ctx, stream) {
-				select {
-				case valStream <- val:
-				case <-ctx.Done():
+			go func() {
+				defer wg.Done()
+				for val := range c.OrDone(ctx, stream) {
+					select {
+					case valStream <- val:
+					case <-ctx.Done():
+					}
 				}
-			}
+			}()
 		}
 	}()
-
 	return valStream
 }

--- a/concurrency/channel_example_test.go
+++ b/concurrency/channel_example_test.go
@@ -168,7 +168,8 @@ func ExampleChannel_Tee() {
 func ExampleChannel_Bridge() {
 	ctx, cancel := context.WithCancel(context.Background())
 	defer cancel()
-
+	m1 := make(map[int]int)
+	m2 := make(map[int]int)
 	c := NewChannel[int]()
 	genVals := func() <-chan <-chan int {
 		out := make(chan (<-chan int))
@@ -177,6 +178,7 @@ func ExampleChannel_Bridge() {
 			for i := 1; i <= 5; i++ {
 				stream := make(chan int, 1)
 				stream <- i
+				m1[i]++
 				close(stream)
 				out <- stream
 			}
@@ -185,12 +187,15 @@ func ExampleChannel_Bridge() {
 	}

 	for v := range c.Bridge(ctx, genVals()) {
-		fmt.Println(v)
+		m2[v]++
+	}
+	for k, v := range m1 {
+		fmt.Println(m2[k] == v)
 	}
 	// Output:
-	// 1
-	// 2
-	// 3
-	// 4
-	// 5
+	// true
+	// true
+	// true
+	// true
+	// true
 }
--- a/concurrency/channel_test.go
+++ b/concurrency/channel_test.go
@@ -169,7 +169,8 @@ func TestTee(t *testing.T) {
 func TestBridge(t *testing.T) {
 	t.Parallel()
 	assert := internal.NewAssert(t, "TestBridge")
-
+	m1 := make(map[int]int)
+	m2 := make(map[int]int)
 	ctx, cancel := context.WithCancel(context.Background())
 	defer cancel()

@@ -181,6 +182,7 @@ func TestBridge(t *testing.T) {
 			for i := 0; i < 10; i++ {
 				stream := make(chan int, 1)
 				stream <- i
+				m1[i]++
 				close(stream)
 				chanStream <- stream
 			}
@@ -188,9 +190,11 @@ func TestBridge(t *testing.T) {
 		return chanStream
 	}

-	index := 0
 	for val := range c.Bridge(ctx, genVals()) {
-		assert.Equal(index, val)
-		index++
+		m2[val]++
+	}
+
+	for k, v := range m1 {
+		assert.Equal(m2[k], v)
 	}
 }
--- a/convertor/convertor.go
+++ b/convertor/convertor.go
@@ -108,6 +108,13 @@ func ToString(value any) string {
 	if value == nil {
 		return ""
 	}
+	rv := reflect.ValueOf(value)
+	if rv.Kind() == reflect.Ptr {
+		if rv.IsNil() {
+			return ""
+		}
+		return ToString(rv.Elem().Interface())
+	}

 	switch val := value.(type) {
 	case float32:
@@ -143,12 +150,8 @@ func ToString(value any) string {
 		if err != nil {
 			return ""
 		}
-		return string(b)

-		// todo: maybe we should't supprt other type conversion
-		// v := reflect.ValueOf(value)
-		// log.Panicf("Unsupported data type: %s ", v.String())
-		// return ""
+		return string(b)
 	}
 }

@@ -486,7 +489,7 @@ func ToRawUrlBase64(value any) string {
 }

 // ToBigInt converts an integer of any supported type (int, int64, uint64, etc.) to *big.Int
-// Play: todo
+// Play: https://go.dev/play/p/X3itkCxwB_x
 func ToBigInt[T any](v T) (*big.Int, error) {
 	result := new(big.Int)

--- a/convertor/convertor_test.go
+++ b/convertor/convertor_test.go
@@ -142,13 +142,24 @@ func TestToString(t *testing.T) {
 	}
 	aStruct := TestStruct{Name: "TestStruct"}

+	i32Val := int32(123)
+	i64Val := int64(123)
+	iZeroVal := 0
+	fVal := 12.3
+	sVal := "abc"
+	var iNilPointer *int
+	var sNilPointer *string
+
 	cases := []any{
 		"", nil,
 		int(0), int8(1), int16(-1), int32(123), int64(123),
 		uint(123), uint8(123), uint16(123), uint32(123), uint64(123),
 		float64(12.3), float32(12.3),
 		true, false,
-		[]int{1, 2, 3}, aMap, aStruct, []byte{104, 101, 108, 108, 111}}
+		[]int{1, 2, 3}, aMap, aStruct, []byte{104, 101, 108, 108, 111},
+		&i32Val, &i64Val, &fVal, &sVal, &aStruct, iNilPointer, sNilPointer,
+		&iZeroVal,
+	}

 	expected := []string{
 		"", "",
@@ -157,6 +168,8 @@ func TestToString(t *testing.T) {
 		"12.3", "12.3",
 		"true", "false",
 		"[1,2,3]", "{\"a\":1,\"b\":2,\"c\":3}", "{\"Name\":\"TestStruct\"}", "hello",
+		"123", "123", "12.3", "abc", "{\"Name\":\"TestStruct\"}", "", "",
+		"0",
 	}

 	for i := 0; i < len(cases); i++ {
--- a/cryptor/crypto.go
+++ b/cryptor/crypto.go
@@ -565,7 +565,7 @@ func GenerateRsaKey(keySize int, priKeyFile, pubKeyFile string) error {
 }

 // RsaEncrypt encrypt data with ras algorithm.
-// Play: https://go.dev/play/p/rDqTT01SPkZ
+// Play: https://go.dev/play/p/7_zo6mrx-eX
 func RsaEncrypt(data []byte, pubKeyFileName string) []byte {
 	file, err := os.Open(pubKeyFileName)
 	if err != nil {
@@ -600,7 +600,7 @@ func RsaEncrypt(data []byte, pubKeyFileName string) []byte {
 }

 // RsaDecrypt decrypt data with ras algorithm.
-// Play: https://go.dev/play/p/rDqTT01SPkZ
+// Play: https://go.dev/play/p/7_zo6mrx-eX
 func RsaDecrypt(data []byte, privateKeyFileName string) []byte {
 	file, err := os.Open(privateKeyFileName)
 	if err != nil {
@@ -663,7 +663,7 @@ func RsaDecryptOAEP(ciphertext []byte, label []byte, key rsa.PrivateKey) ([]byte
 }

 // RsaSign signs the data with RSA.
-// Play: todo
+// Play: https://go.dev/play/p/qhsbf8BJ6Mf
 func RsaSign(hash crypto.Hash, data []byte, privateKeyFileName string) ([]byte, error) {
 	privateKey, err := loadRasPrivateKey(privateKeyFileName)
 	if err != nil {
@@ -679,7 +679,7 @@ func RsaSign(hash crypto.Hash, data []byte, privateKeyFileName string) ([]byte,
 }

 // RsaVerifySign verifies the signature of the data with RSA.
-// Play: todo
+// Play: https://go.dev/play/p/qhsbf8BJ6Mf
 func RsaVerifySign(hash crypto.Hash, data, signature []byte, pubKeyFileName string) error {
 	publicKey, err := loadRsaPublicKey(pubKeyFileName)
 	if err != nil {
@@ -712,7 +712,6 @@ func loadRsaPublicKey(filename string) (*rsa.PublicKey, error) {
 	if blockType == "RSA PUBLIC KEY" {
 		pubKey, err = x509.ParsePKCS1PublicKey(block.Bytes)
 		if err != nil {
-			// todo: here should be a bug, should return nil, err
 			key, err := x509.ParsePKIXPublicKey(block.Bytes)
 			if err != nil {
 				return nil, err
--- a/cryptor/rsa_private_example.pem
+++ b/cryptor/rsa_private_example.pem
@@ -1,51 +1,51 @@
 -----BEGIN rsa private key-----
-MIIJJwIBAAKCAgEAwGdN8KE2NTK41cVN7i6mZZS5J86gjNs0LJDHylb2GG+K4O8s
-fq98EMKMJ2xGnKoVRJXucVohr5Eiuf5zgxQe9mpYDyDQ0vnpBkoNkfzJNZQvcQFa
-IllUeH+eN4hSBhMegPspCr2BcmC/m/N40+PjBMDaHSzeNE2SyIuyflLC7GhQvHnk
-cQXkqJVNC1yesV7zYKDV/xYPI0NxN0kE+4eR650A77jso4gloRUek0cpU4ztpe6Z
-z4za7AEKHmZO8pVHpQJihbNMhItbo6BcgeOFWImXyJfcbCtu1ayciaJ0Q45Z1btu
-F2wFwQjwZGt7DAvbzYwMBBiTpGxig/8kzibm7bL1Td7huW6Knqbfh4/v+2m+2aNK
-1u0TfncFUr17wDDfeVj/xeNOSbPu2X/AppjVX0rxmvWN+AByFfAuw7/kqMK7QZlA
-+5nNjmOojvryGOSu1he4PUnhRyJ7jofOIrLZ9YYBXpRiY/WB8t+xWIlaoPXFmsOx
-SgMwzQFGMlnSFy7nK9T4znE0QFknOQNbELPEB4UGLOEa5Tg6YD2ORDDSqCzMRdkE
-1kAgoMRC9DkRXE45KEcQlhMX9Pahwx3mPS4lMWABVudiEWyhGaR279OWjezqvtoL
-LBJ5GD9QL1XqaqCaJjp+qsHmX8re+MTA3ZJuyUtRoPXPsKCe2nZ6Ma87DlUCAwEA
-AQKCAgAWT+SJ8ygGI0ur/qV66Y4CWazfIOcdbo4uXNvOayc+zjCcxR+z0UXh6621
-JKlLoa21tm1gV8NwSLRuPUPH/51Xlh2AI54T2Udco1nPhDERNY4K3M1HDnTtRF9k
-sTpR2gW/j2DDDhbk3LNbsnBgohzBgFvK5lkeV6CeARVB8PcJ008JjFkhgj1yD15P
-4v3EM+6lVgF7A2PeAwQuFRmu0ZnqaNqi8h7/F9rFQ124VphESCOHCpRrrTn2BGjX
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+qdCFyy2x70wSh6Rfzb7WEWl15I4yfBTddXkJX82S+MrZu/Xq4FDtng594h0=
 -----END rsa private key-----
--- a/cryptor/rsa_public_example.pem
+++ b/cryptor/rsa_public_example.pem
@@ -1,14 +1,14 @@
 -----BEGIN rsa public key-----
-MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAwGdN8KE2NTK41cVN7i6m
-ZZS5J86gjNs0LJDHylb2GG+K4O8sfq98EMKMJ2xGnKoVRJXucVohr5Eiuf5zgxQe
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-yUtRoPXPsKCe2nZ6Ma87DlUCAwEAAQ==
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+wxbuF5+Ci2SYgSHv/3zXKoMCAwEAAQ==
 -----END rsa public key-----
--- a/datetime/datetime.go
+++ b/datetime/datetime.go
@@ -64,28 +64,95 @@ func init() {
 	}
 }

-// AddMinute add or sub minute to the time.
+// AddMinute add or sub minutes to the time.
 // Play: https://go.dev/play/p/nT1heB1KUUK
-func AddMinute(t time.Time, minute int64) time.Time {
-	return t.Add(time.Minute * time.Duration(minute))
+func AddMinute(t time.Time, minutes int64) time.Time {
+	return t.Add(time.Minute * time.Duration(minutes))
 }

-// AddHour add or sub hour to the time.
+// AddHour add or sub hours to the time.
 // Play: https://go.dev/play/p/rcMjd7OCsi5
-func AddHour(t time.Time, hour int64) time.Time {
-	return t.Add(time.Hour * time.Duration(hour))
+func AddHour(t time.Time, hours int64) time.Time {
+	return t.Add(time.Hour * time.Duration(hours))
 }

-// AddDay add or sub day to the time.
+// AddDay add or sub days to the time.
 // Play: https://go.dev/play/p/dIGbs_uTdFa
-func AddDay(t time.Time, day int64) time.Time {
-	return t.Add(24 * time.Hour * time.Duration(day))
+func AddDay(t time.Time, days int64) time.Time {
+	return t.Add(24 * time.Hour * time.Duration(days))
+}
+
+// AddWeek add or sub weeks to the time.
+// play: todo
+func AddWeek(t time.Time, weeks int64) time.Time {
+	return t.Add(7 * 24 * time.Hour * time.Duration(weeks))
+}
+
+// AddMonth add or sub months to the time.
+// Play: todo
+func AddMonth(t time.Time, months int64) time.Time {
+	return t.AddDate(0, int(months), 0)
 }

 // AddYear add or sub year to the time.
 // Play: https://go.dev/play/p/MqW2ujnBx10
 func AddYear(t time.Time, year int64) time.Time {
-	return t.Add(365 * 24 * time.Hour * time.Duration(year))
+	return t.AddDate(int(year), 0, 0)
+}
+
+// AddDaySafe add or sub days to the time and ensure that the returned date does not exceed the valid date of the target year and month.
+// Play: todo
+func AddDaySafe(t time.Time, days int) time.Time {
+	t = t.AddDate(0, 0, days)
+	year, month, day := t.Date()
+
+	lastDayOfMonth := time.Date(year, month+1, 0, 0, 0, 0, 0, t.Location()).Day()
+
+	if day > lastDayOfMonth {
+		t = time.Date(year, month, lastDayOfMonth, t.Hour(), t.Minute(), t.Second(), t.Nanosecond(), t.Location())
+	}
+
+	return t
+}
+
+// AddMonthSafe add or sub months to the time and ensure that the returned date does not exceed the valid date of the target year and month.
+// Play: todo
+func AddMonthSafe(t time.Time, months int) time.Time {
+	year := t.Year()
+	month := int(t.Month()) + months
+
+	for month > 12 {
+		month -= 12
+		year++
+	}
+	for month < 1 {
+		month += 12
+		year--
+	}
+
+	daysInMonth := time.Date(year, time.Month(month+1), 0, 0, 0, 0, 0, time.UTC).Day()
+
+	day := t.Day()
+	if day > daysInMonth {
+		day = daysInMonth
+	}
+
+	return time.Date(year, time.Month(month), day, t.Hour(), t.Minute(), t.Second(), t.Nanosecond(), t.Location())
+}
+
+// AddYearSafe add or sub years to the time and ensure that the returned date does not exceed the valid date of the target year and month.
+// Play: todo
+func AddYearSafe(t time.Time, years int) time.Time {
+	year, month, day := t.Date()
+	year += years
+
+	if month == time.February && day == 29 {
+		if !IsLeapYear(year) {
+			day = 28
+		}
+	}
+
+	return time.Date(year, month, day, t.Hour(), t.Minute(), t.Second(), t.Nanosecond(), t.Location())
 }

 // GetNowDate return format yyyy-mm-dd of current date.
@@ -445,7 +512,7 @@ func GenerateDatetimesBetween(start, end time.Time, layout string, interval stri
 }

 // Min returns the earliest time among the given times.
-// Play: todo
+// Play: https://go.dev/play/p/MCIDvHNOGGb
 func Min(t1 time.Time, times ...time.Time) time.Time {
 	minTime := t1

@@ -459,7 +526,7 @@ func Min(t1 time.Time, times ...time.Time) time.Time {
 }

 // Max returns the latest time among the given times.
-// Play: todo
+// Play: https://go.dev/play/p/9m6JMk1LB7-
 func Max(t1 time.Time, times ...time.Time) time.Time {
 	maxTime := t1

@@ -473,7 +540,7 @@ func Max(t1 time.Time, times ...time.Time) time.Time {
 }

 // MaxMin returns the latest and earliest time among the given times.
-// Play: todo
+// Play: https://go.dev/play/p/rbW51cDtM_2
 func MaxMin(t1 time.Time, times ...time.Time) (maxTime time.Time, minTime time.Time) {
 	maxTime = t1
 	minTime = t1
--- a/datetime/datetime_example_test.go
+++ b/datetime/datetime_example_test.go
@@ -7,71 +7,141 @@ import (
 )

 func ExampleAddDay() {
-	now := time.Now()
+	date, _ := time.Parse("2006-01-02 15:04:05", "2021-01-01 00:00:00")

-	tomorrow := AddDay(now, 1)
-	diff1 := tomorrow.Sub(now)
+	after1Day := AddDay(date, 1)
+	before1Day := AddDay(date, -1)

-	yesterday := AddDay(now, -1)
-	diff2 := yesterday.Sub(now)
-
-	fmt.Println(diff1)
-	fmt.Println(diff2)
+	fmt.Println(after1Day.Format("2006-01-02 15:04:05"))
+	fmt.Println(before1Day.Format("2006-01-02 15:04:05"))

 	// Output:
-	// 24h0m0s
-	// -24h0m0s
+	// 2021-01-02 00:00:00
+	// 2020-12-31 00:00:00
+}
+
+func ExampleAddWeek() {
+	date, _ := time.Parse("2006-01-02", "2021-01-01")
+
+	after2Weeks := AddWeek(date, 2)
+	before2Weeks := AddWeek(date, -2)
+
+	fmt.Println(after2Weeks.Format("2006-01-02"))
+	fmt.Println(before2Weeks.Format("2006-01-02"))
+
+	// Output:
+	// 2021-01-15
+	// 2020-12-18
+}
+
+func ExampleAddMonth() {
+	date, _ := time.Parse("2006-01-02", "2021-01-01")
+
+	after2Months := AddMonth(date, 2)
+	before2Months := AddMonth(date, -2)
+
+	fmt.Println(after2Months.Format("2006-01-02"))
+	fmt.Println(before2Months.Format("2006-01-02"))
+
+	// Output:
+	// 2021-03-01
+	// 2020-11-01
 }

 func ExampleAddHour() {
-	now := time.Now()
+	date, _ := time.Parse("2006-01-02 15:04:05", "2021-01-01 00:00:00")

-	after2Hours := AddHour(now, 2)
-	diff1 := after2Hours.Sub(now)
+	after2Hours := AddHour(date, 2)
+	before2Hours := AddHour(date, -2)

-	before2Hours := AddHour(now, -2)
-	diff2 := before2Hours.Sub(now)
-
-	fmt.Println(diff1)
-	fmt.Println(diff2)
+	fmt.Println(after2Hours.Format("2006-01-02 15:04:05"))
+	fmt.Println(before2Hours.Format("2006-01-02 15:04:05"))

 	// Output:
-	// 2h0m0s
-	// -2h0m0s
+	// 2021-01-01 02:00:00
+	// 2020-12-31 22:00:00
 }

 func ExampleAddMinute() {
-	now := time.Now()
+	date, _ := time.Parse("2006-01-02 15:04:05", "2021-01-01 00:00:00")

-	after2Minutes := AddMinute(now, 2)
-	diff1 := after2Minutes.Sub(now)
+	after2Minutes := AddMinute(date, 2)
+	before2Minutes := AddMinute(date, -2)

-	before2Minutes := AddMinute(now, -2)
-	diff2 := before2Minutes.Sub(now)
-
-	fmt.Println(diff1)
-	fmt.Println(diff2)
+	fmt.Println(after2Minutes.Format("2006-01-02 15:04:05"))
+	fmt.Println(before2Minutes.Format("2006-01-02 15:04:05"))

 	// Output:
-	// 2m0s
-	// -2m0s
+	// 2021-01-01 00:02:00
+	// 2020-12-31 23:58:00
 }

 func ExampleAddYear() {
-	now := time.Now()
+	date, _ := time.Parse("2006-01-02", "2021-01-01")

-	after1Year := AddYear(now, 1)
-	diff1 := after1Year.Sub(now)
+	after2Years := AddYear(date, 2)
+	before2Years := AddYear(date, -2)

-	before1Year := AddYear(now, -1)
-	diff2 := before1Year.Sub(now)
-
-	fmt.Println(diff1)
-	fmt.Println(diff2)
+	fmt.Println(after2Years.Format("2006-01-02"))
+	fmt.Println(before2Years.Format("2006-01-02"))

 	// Output:
-	// 8760h0m0s
-	// -8760h0m0s
+	// 2023-01-01
+	// 2019-01-01
+}
+
+func ExampleAddDaySafe() {
+	leapYearDate1, _ := time.Parse("2006-01-02", "2024-02-29")
+	result1 := AddDaySafe(leapYearDate1, 1)
+
+	leapYearDate2, _ := time.Parse("2006-01-02", "2024-03-01")
+	result2 := AddDaySafe(leapYearDate2, -1)
+
+	nonLeapYearDate1, _ := time.Parse("2006-01-02", "2025-02-28")
+	result3 := AddDaySafe(nonLeapYearDate1, 1)
+
+	nonLeaYearDate2, _ := time.Parse("2006-01-02", "2025-03-01")
+	result4 := AddDaySafe(nonLeaYearDate2, -1)
+
+	fmt.Println(result1.Format("2006-01-02"))
+	fmt.Println(result2.Format("2006-01-02"))
+	fmt.Println(result3.Format("2006-01-02"))
+	fmt.Println(result4.Format("2006-01-02"))
+
+	// Output:
+	// 2024-03-01
+	// 2024-02-29
+	// 2025-03-01
+	// 2025-02-28
+}
+
+func ExampleAddMonthSafe() {
+	date1, _ := time.Parse("2006-01-02", "2025-01-31")
+	result1 := AddMonthSafe(date1, 1)
+
+	date2, _ := time.Parse("2006-01-02", "2024-02-29")
+	result2 := AddMonthSafe(date2, -1)
+
+	fmt.Println(result1.Format("2006-01-02"))
+	fmt.Println(result2.Format("2006-01-02"))
+
+	// Output:
+	// 2025-02-28
+	// 2024-01-29
+}
+
+func ExampleAddYearSafe() {
+	date, _ := time.Parse("2006-01-02", "2020-02-29")
+
+	result1 := AddYearSafe(date, 1)
+	result2 := AddYearSafe(date, -1)
+
+	fmt.Println(result1.Format("2006-01-02"))
+	fmt.Println(result2.Format("2006-01-02"))
+
+	// Output:
+	// 2021-02-28
+	// 2019-02-28
 }

 func ExampleGetNowDate() {
--- a/datetime/datetime_test.go
+++ b/datetime/datetime_test.go
@@ -9,78 +9,427 @@ import (

 func TestAddYear(t *testing.T) {
 	t.Parallel()
-
 	assert := internal.NewAssert(t, "TestAddDay")

-	now := time.Now()
-	after2Years := AddYear(now, 1)
-	diff1 := after2Years.Sub(now)
-	assert.Equal(float64(8760), diff1.Hours())
+	tests := []struct {
+		inputDate string
+		years     int
+		expected  string
+	}{
+		{
+			inputDate: "2021-01-01 00:00:00",
+			years:     1,
+			expected:  "2022-01-01 00:00:00",
+		},
+		{
+			inputDate: "2021-01-01 00:00:00",
+			years:     -1,
+			expected:  "2020-01-01 00:00:00",
+		},
+		{
+			inputDate: "2021-01-01 00:00:00",
+			years:     0,
+			expected:  "2021-01-01 00:00:00",
+		},
+		{
+			inputDate: "2021-01-01 00:00:00",
+			years:     2,
+			expected:  "2023-01-01 00:00:00",
+		},
+		{
+			inputDate: "2021-01-01 00:00:00",
+			years:     3,
+			expected:  "2024-01-01 00:00:00",
+		},
+		{
+			inputDate: "2021-01-01 00:00:00",
+			years:     4,
+			expected:  "2025-01-01 00:00:00",
+		},
+	}

-	before2Years := AddYear(now, -1)
-	diff2 := before2Years.Sub(now)
-	assert.Equal(float64(-8760), diff2.Hours())
-}
-
-func TestBetweenSeconds(t *testing.T) {
-	t.Parallel()
-
-	assert := internal.NewAssert(t, "TestBetweenSeconds")
-
-	today := time.Now()
-	tomorrow := AddDay(today, 1)
-	yesterday := AddDay(today, -1)
-
-	result1 := BetweenSeconds(today, tomorrow)
-	result2 := BetweenSeconds(today, yesterday)
-
-	assert.Equal(int64(86400), result1)
-	assert.Equal(int64(-86400), result2)
+	for _, tt := range tests {
+		date, _ := time.Parse("2006-01-02 15:04:05", tt.inputDate)
+		result := AddYear(date, int64(tt.years))
+		assert.Equal(tt.expected, result.Format("2006-01-02 15:04:05"))
+	}
 }

 func TestAddDay(t *testing.T) {
 	t.Parallel()
-
 	assert := internal.NewAssert(t, "TestAddDay")

-	now := time.Now()
-	after2Days := AddDay(now, 2)
-	diff1 := after2Days.Sub(now)
-	assert.Equal(float64(48), diff1.Hours())
+	tests := []struct {
+		inputDate string
+		days      int
+		expected  string
+	}{
+		{
+			inputDate: "2021-01-01 00:00:00",
+			days:      1,
+			expected:  "2021-01-02 00:00:00",
+		},
+		{
+			inputDate: "2021-01-01 00:00:00",
+			days:      -1,
+			expected:  "2020-12-31 00:00:00",
+		},
+		{
+			inputDate: "2021-01-01 00:00:00",
+			days:      0,
+			expected:  "2021-01-01 00:00:00",
+		},
+		{
+			inputDate: "2021-01-01 00:00:00",
+			days:      2,
+			expected:  "2021-01-03 00:00:00",
+		},
+		{
+			inputDate: "2021-01-01 00:00:00",
+			days:      3,
+			expected:  "2021-01-04 00:00:00",
+		},
+		{
+			inputDate: "2021-01-01 00:00:00",
+			days:      4,
+			expected:  "2021-01-05 00:00:00",
+		},
+	}

-	before2Days := AddDay(now, -2)
-	diff2 := before2Days.Sub(now)
-	assert.Equal(float64(-48), diff2.Hours())
+	for _, tt := range tests {
+		date, _ := time.Parse("2006-01-02 15:04:05", tt.inputDate)
+		result := AddDay(date, int64(tt.days))
+		assert.Equal(tt.expected, result.Format("2006-01-02 15:04:05"))
+	}
 }

 func TestAddHour(t *testing.T) {
 	t.Parallel()
-
 	assert := internal.NewAssert(t, "TestAddHour")

-	now := time.Now()
-	after2Hours := AddHour(now, 2)
-	diff1 := after2Hours.Sub(now)
-	assert.Equal(float64(2), diff1.Hours())
+	tests := []struct {
+		inputDate string
+		hours     int
+		expected  string
+	}{
+		{
+			inputDate: "2021-01-01 00:00:00",
+			hours:     1,
+			expected:  "2021-01-01 01:00:00",
+		},
+		{
+			inputDate: "2021-01-01 00:00:00",
+			hours:     -1,
+			expected:  "2020-12-31 23:00:00",
+		},
+		{
+			inputDate: "2021-01-01 00:00:00",
+			hours:     0,
+			expected:  "2021-01-01 00:00:00",
+		},
+		{
+			inputDate: "2021-01-01 00:00:00",
+			hours:     24,
+			expected:  "2021-01-02 00:00:00",
+		},
+		{
+			inputDate: "2021-01-01 00:00:00",
+			hours:     25,
+			expected:  "2021-01-02 01:00:00",
+		},
+		{
+			inputDate: "2021-01-01 00:00:00",
+			hours:     48,
+			expected:  "2021-01-03 00:00:00",
+		},
+		{
+			inputDate: "2021-01-01 00:00:00",
+			hours:     49,
+			expected:  "2021-01-03 01:00:00",
+		},
+	}
+
+	for _, tt := range tests {
+		date, _ := time.Parse("2006-01-02 15:04:05", tt.inputDate)
+		result := AddHour(date, int64(tt.hours))
+		assert.Equal(tt.expected, result.Format("2006-01-02 15:04:05"))
+	}

-	before2Hours := AddHour(now, -2)
-	diff2 := before2Hours.Sub(now)
-	assert.Equal(float64(-2), diff2.Hours())
 }

 func TestAddMinute(t *testing.T) {
 	t.Parallel()
-
 	assert := internal.NewAssert(t, "TestAddMinute")

-	now := time.Now()
-	after2Minutes := AddMinute(now, 2)
-	diff1 := after2Minutes.Sub(now)
-	assert.Equal(float64(2), diff1.Minutes())
+	tests := []struct {
+		inputDate string
+		minutes   int
+		expected  string
+	}{
+		{
+			inputDate: "2021-01-01 00:00:00",
+			minutes:   1,
+			expected:  "2021-01-01 00:01:00",
+		},
+		{
+			inputDate: "2021-01-01 00:00:00",
+			minutes:   -1,
+			expected:  "2020-12-31 23:59:00",
+		},
+		{
+			inputDate: "2021-01-01 00:00:00",
+			minutes:   0,
+			expected:  "2021-01-01 00:00:00",
+		},
+		{
+			inputDate: "2021-01-01 00:00:00",
+			minutes:   60,
+			expected:  "2021-01-01 01:00:00",
+		},
+		{
+			inputDate: "2021-01-01 00:00:00",
+			minutes:   61,
+			expected:  "2021-01-01 01:01:00",
+		},
+		{
+			inputDate: "2021-01-01 00:00:00",
+			minutes:   1440,
+			expected:  "2021-01-02 00:00:00",
+		},
+		{
+			inputDate: "2021-01-01 00:00:00",
+			minutes:   1441,
+			expected:  "2021-01-02 00:01:00",
+		},
+	}

-	before2Minutes := AddMinute(now, -2)
-	diff2 := before2Minutes.Sub(now)
-	assert.Equal(float64(-2), diff2.Minutes())
+	for _, tt := range tests {
+		date, _ := time.Parse("2006-01-02 15:04:05", tt.inputDate)
+		result := AddMinute(date, int64(tt.minutes))
+		assert.Equal(tt.expected, result.Format("2006-01-02 15:04:05"))
+	}
+}
+
+func TestAddWeek(t *testing.T) {
+	t.Parallel()
+
+	assert := internal.NewAssert(t, "TestAddWeek")
+
+	tests := []struct {
+		inputDate string
+		weeks     int
+		expected  string
+	}{
+		{
+			inputDate: "2021-01-01",
+			weeks:     1,
+			expected:  "2021-01-08",
+		},
+		{
+			inputDate: "2021-01-01",
+			weeks:     -1,
+			expected:  "2020-12-25",
+		},
+		{
+			inputDate: "2021-01-01",
+			weeks:     0,
+			expected:  "2021-01-01",
+		},
+		{
+			inputDate: "2021-01-01",
+			weeks:     52,
+			expected:  "2021-12-31",
+		},
+		{
+			inputDate: "2021-01-01",
+			weeks:     53,
+			expected:  "2022-01-07",
+		},
+		{
+			inputDate: "2021-01-01",
+			weeks:     104,
+			expected:  "2022-12-30",
+		},
+	}
+
+	for _, tt := range tests {
+		date, _ := time.Parse("2006-01-02", tt.inputDate)
+		result := AddWeek(date, int64(tt.weeks))
+		assert.Equal(tt.expected, result.Format("2006-01-02"))
+	}
+}
+
+func TestAddMonth(t *testing.T) {
+	t.Parallel()
+
+	assert := internal.NewAssert(t, "TestAddMonth")
+
+	tests := []struct {
+		inputDate string
+		months    int
+		expected  string
+	}{
+		{
+			inputDate: "2021-01-01",
+			months:    1,
+			expected:  "2021-02-01",
+		},
+		{
+			inputDate: "2021-01-01",
+			months:    -1,
+			expected:  "2020-12-01",
+		},
+		{
+			inputDate: "2021-01-01",
+			months:    0,
+			expected:  "2021-01-01",
+		},
+		{
+			inputDate: "2021-01-01",
+			months:    12,
+			expected:  "2022-01-01",
+		},
+		{
+			inputDate: "2021-01-01",
+			months:    13,
+			expected:  "2022-02-01",
+		},
+		{
+			inputDate: "2021-01-01",
+			months:    24,
+			expected:  "2023-01-01",
+		},
+	}
+
+	for _, tt := range tests {
+		date, _ := time.Parse("2006-01-02", tt.inputDate)
+		result := AddMonth(date, int64(tt.months))
+		assert.Equal(tt.expected, result.Format("2006-01-02"))
+	}
+
+}
+
+func TestAddDaySafe(t *testing.T) {
+	t.Parallel()
+
+	assert := internal.NewAssert(t, "TestAddDaySafe")
+
+	tests := []struct {
+		inputDate string
+		days      int
+		expected  string
+	}{
+		{"2025-01-31", 10, "2025-02-10"},
+		{"2025-01-01", 30, "2025-01-31"},
+		{"2025-01-31", 1, "2025-02-01"},
+		{"2025-02-28", 1, "2025-03-01"},
+		{"2024-02-29", 1, "2024-03-01"},
+		{"2024-02-29", 365, "2025-02-28"},
+
+		{"2025-01-31", -10, "2025-01-21"},
+		{"2025-01-01", -30, "2024-12-02"},
+		{"2025-02-01", -1, "2025-01-31"},
+		{"2025-03-01", -1, "2025-02-28"},
+		{"2024-03-01", -1, "2024-02-29"},
+
+		{"2025-01-31", -31, "2024-12-31"},
+		{"2025-12-31", 1, "2026-01-01"},
+	}
+
+	for _, tt := range tests {
+		date, _ := time.Parse("2006-01-02", tt.inputDate)
+		result := AddDaySafe(date, tt.days)
+		assert.Equal(tt.expected, result.Format("2006-01-02"))
+	}
+}
+
+func TestAddMonthSafe(t *testing.T) {
+	t.Parallel()
+
+	assert := internal.NewAssert(t, "TestAddMonthSafe")
+
+	tests := []struct {
+		inputDate string
+		months    int
+		expected  string
+	}{
+		{
+			inputDate: "2025-01-31",
+			months:    1,
+			expected:  "2025-02-28",
+		},
+		{
+			inputDate: "2025-01-31",
+			months:    -1,
+			expected:  "2024-12-31",
+		},
+		{
+			inputDate: "2025-12-31",
+			months:    1,
+			expected:  "2026-01-31",
+		},
+		{
+			inputDate: "2025-01-31",
+			months:    -1,
+			expected:  "2024-12-31",
+		},
+		{
+			inputDate: "2024-02-29",
+			months:    1,
+			expected:  "2024-03-29",
+		},
+		{
+			inputDate: "2024-02-29",
+			months:    -1,
+			expected:  "2024-01-29",
+		},
+	}
+
+	for _, tt := range tests {
+		date, _ := time.Parse("2006-01-02", tt.inputDate)
+		result := AddMonthSafe(date, tt.months)
+		assert.Equal(tt.expected, result.Format("2006-01-02"))
+	}
+
+}
+
+func TestAddYearSafe(t *testing.T) {
+	t.Parallel()
+
+	assert := internal.NewAssert(t, "TestAddYearSafe")
+
+	tests := []struct {
+		inputDate string
+		years     int
+		expected  string
+	}{
+		{
+			inputDate: "2020-02-29",
+			years:     1,
+			expected:  "2021-02-28",
+		},
+		{
+			inputDate: "2020-02-29",
+			years:     2,
+			expected:  "2022-02-28",
+		},
+		{
+			inputDate: "2020-02-29",
+			years:     -1,
+			expected:  "2019-02-28",
+		},
+		{
+			inputDate: "2020-02-29",
+			years:     -2,
+			expected:  "2018-02-28",
+		},
+	}
+
+	for _, tt := range tests {
+		date, _ := time.Parse("2006-01-02", tt.inputDate)
+		result := AddYearSafe(date, tt.years)
+		assert.Equal(tt.expected, result.Format("2006-01-02"))
+	}
 }

 func TestGetNowDate(t *testing.T) {
@@ -578,3 +927,19 @@ func TestMaxMin(t *testing.T) {
 	assert.Equal(oneMinuteAgo, min)
 	assert.Equal(oneMinuteAfter, max)
 }
+
+func TestBetweenSeconds(t *testing.T) {
+	t.Parallel()
+
+	assert := internal.NewAssert(t, "TestBetweenSeconds")
+
+	today := time.Now()
+	tomorrow := AddDay(today, 1)
+	yesterday := AddDay(today, -1)
+
+	result1 := BetweenSeconds(today, tomorrow)
+	result2 := BetweenSeconds(today, yesterday)
+
+	assert.Equal(int64(86400), result1)
+	assert.Equal(int64(-86400), result2)
+}
--- a/docs/api/packages/convertor.md
+++ b/docs/api/packages/convertor.md
@@ -373,7 +373,7 @@ import (

 func main() {
    aMap := map[string]int{"a": 1, "b": 2, "c": 3}
-    result, err := ToJson(aMap)
+    result, err := convertor.ToJson(aMap)

    if err != nil {
        fmt.Printf("%v", err)
@@ -1155,7 +1155,7 @@ func main() {

 <p>将整数值转换为bigInt。</p>

-<b>函数签名:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
+<b>函数签名:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/X3itkCxwB_x)</span></b>

 ```go
 func ToBigInt[T any](v T) (*big.Int, error)
--- a/docs/api/packages/cryptor.md
+++ b/docs/api/packages/cryptor.md
@@ -1436,7 +1436,7 @@ func main() {
 func RsaEncrypt(data []byte, pubKeyFileName string) []byte
 ```

-<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/uef0q1fz53I)</span></b>
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/7_zo6mrx-eX)</span></b>

 ```go
 package main
@@ -1473,7 +1473,7 @@ func main() {
 func RsaDecrypt(data []byte, privateKeyFileName string) []byte
 ```

-<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/uef0q1fz53I)</span></b>
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/7_zo6mrx-eX)</span></b>

 ```go
 package main
@@ -1621,7 +1621,7 @@ func main() {
 func RsaSign(hash crypto.Hash, data []byte, privateKeyFileName string) ([]byte, error)
 ```

-<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/qhsbf8BJ6Mf)</span></b>

 ```go
 package main
@@ -1638,12 +1638,12 @@ func main() {
    privateKey := "./rsa_private.pem"
    publicKey := "./rsa_public.pem"

-    signature, err := RsaSign(hash, data, privateKey)
+    signature, err := cryptor.RsaSign(hash, data, privateKey)
    if err != nil {
        return
    }

-    err = RsaVerifySign(hash, data, signature, publicKey)
+    err = cryptor.RsaVerifySign(hash, data, signature, publicKey)
    if err != nil {
        return
    }
@@ -1660,7 +1660,7 @@ func main() {
 func RsaVerifySign(hash crypto.Hash, data, signature []byte, pubKeyFileName string) error
 ```

-<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/qhsbf8BJ6Mf)</span></b>

 ```go
 package main
@@ -1677,12 +1677,12 @@ func main() {
    privateKey := "./rsa_private.pem"
    publicKey := "./rsa_public.pem"

-    signature, err := RsaSign(hash, data, privateKey)
+    signature, err := cryptor.RsaSign(hash, data, privateKey)
    if err != nil {
        return
    }

-    err = RsaVerifySign(hash, data, signature, publicKey)
+    err = cryptor.RsaVerifySign(hash, data, signature, publicKey)
    if err != nil {
        return
    }
--- a/docs/api/packages/datetime.md
+++ b/docs/api/packages/datetime.md
@@ -23,9 +23,14 @@ import (
 ## 目录

 -   [AddDay](#AddDay)
+-   [AddWeek](#AddWeek)
+-   [AddMonth](#AddMonth)
 -   [AddHour](#AddHour)
 -   [AddMinute](#AddMinute)
 -   [AddYear](#AddYear)
+-   [AddDaySafe](#AddDaySafe)
+-   [AddMonthSafe](#AddMonthSafe)
+-   [AddYearSafe](#AddYearSafe)
 -   [BeginOfMinute](#BeginOfMinute)
 -   [BeginOfHour](#BeginOfHour)
 -   [BeginOfDay](#BeginOfDay)
@@ -109,7 +114,7 @@ import (
 <b>函数签名:</b>

 ```go
-func AddDay(t time.Time, day int64) time.Time
+func AddDay(t time.Time, days int64) time.Time
 ```

 <b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/dIGbs_uTdFa)</span></b>
@@ -124,20 +129,89 @@ import (
 )

 func main() {
-    now := time.Now()
+    date, _ := time.Parse("2006-01-02 15:04:05", "2021-01-01 00:00:00")

-    tomorrow := datetime.AddDay(now, 1)
-    diff1 := tomorrow.Sub(now)
+    after1Day := datetime.AddDay(date, 1)
+    before1Day := datetime.AddDay(date, -1)

-    yesterday := datetime.AddDay(now, -1)
-    diff2 := yesterday.Sub(now)
-
-    fmt.Println(diff1)
-    fmt.Println(diff2)
+    fmt.Println(after1Day.Format("2006-01-02 15:04:05"))
+    fmt.Println(before1Day.Format("2006-01-02 15:04:05"))

    // Output:
-    // 24h0m0s
-    // -24h0m0s
+    // 2021-01-02 00:00:00
+    // 2020-12-31 00:00:00
+}
+```
+
+### <span id="AddWeek">AddWeek</span>
+
+<p>将日期加/减星期数。</p>
+
+<b>函数签名:</b>
+
+```go
+func AddWeek(t time.Time, weeks int64) time.Time
+```
+
+<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "time"
+    "github.com/duke-git/lancet/v2/datetime"
+)
+
+func main() {
+    date, _ := time.Parse("2006-01-02", "2021-01-01")
+
+    after2Weeks := datetime.AddWeek(date, 2)
+    before2Weeks := datetime.AddWeek(date, -2)
+
+    fmt.Println(after2Weeks.Format("2006-01-02"))
+    fmt.Println(before2Weeks.Format("2006-01-02"))
+
+    // Output:
+    // 2021-01-15
+    // 2020-12-18
+}
+```
+
+### <span id="AddMonth">AddMonth</span>
+
+<p>将日期加/减月数。</p>
+
+<b>函数签名:</b>
+
+```go
+func AddMonth(t time.Time, months int64) time.Time
+```
+
+<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "time"
+    "github.com/duke-git/lancet/v2/datetime"
+)
+
+func main() {
+    date, _ := time.Parse("2006-01-02", "2021-01-01")
+
+    after2Months := datetime.AddMonth(date, 2)
+    before2Months := datetime.AddMonth(date, -2)
+
+    fmt.Println(after2Months.Format("2006-01-02"))
+    fmt.Println(before2Months.Format("2006-01-02"))
+
+    // Output:
+    // 2021-03-01
+    // 2020-11-01
 }
 ```

@@ -148,7 +222,7 @@ func main() {
 <b>函数签名:</b>

 ```go
-func AddHour(t time.Time, hour int64) time.Time
+func AddHour(t time.Time, hours int64) time.Time
 ```

 <b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/rcMjd7OCsi5)</span></b>
@@ -163,20 +237,17 @@ import (
 )

 func main() {
-    now := time.Now()
+    date, _ := time.Parse("2006-01-02 15:04:05", "2021-01-01 00:00:00")

-    after2Hours := datetime.AddHour(now, 2)
-    diff1 := after2Hours.Sub(now)
+    after2Hours := datetime.AddHour(date, 2)
+    before2Hours := datetime.AddHour(date, -2)

-    before2Hours := datetime.AddHour(now, -2)
-    diff2 := before2Hours.Sub(now)
-
-    fmt.Println(diff1)
-    fmt.Println(diff2)
+    fmt.Println(after2Hours.Format("2006-01-02 15:04:05"))
+    fmt.Println(before2Hours.Format("2006-01-02 15:04:05"))

    // Output:
-    // 2h0m0s
-    // -2h0m0s
+    // 2021-01-01 02:00:00
+    // 2020-12-31 22:00:00
 }
 ```

@@ -187,7 +258,7 @@ func main() {
 <b>函数签名:</b>

 ```go
-func AddMinute(t time.Time, minute int64) time.Time
+func AddMinute(t time.Time, minutes int64) time.Time
 ```

 <b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/nT1heB1KUUK)</span></b>
@@ -202,20 +273,17 @@ import (
 )

 func main() {
-    now := time.Now()
+    date, _ := time.Parse("2006-01-02 15:04:05", "2021-01-01 00:00:00")

-    after2Minutes := datetime.AddMinute(now, 2)
-    diff1 := after2Minutes.Sub(now)
+    after2Minutes := datetime.AddMinute(date, 2)
+    before2Minutes := datetime.AddMinute(date, -2)

-    before2Minutes := datetime.AddMinute(now, -2)
-    diff2 := before2Minutes.Sub(now)
-
-    fmt.Println(diff1)
-    fmt.Println(diff2)
+    fmt.Println(after2Minutes.Format("2006-01-02 15:04:05"))
+    fmt.Println(before2Minutes.Format("2006-01-02 15:04:05"))

    // Output:
-    // 2m0s
-    // -2m0s
+    // 2021-01-01 00:02:00
+    // 2020-12-31 23:58:00
 }
 ```

@@ -226,7 +294,7 @@ func main() {
 <b>函数签名:</b>

 ```go
-func AddYear(t time.Time, year int64) time.Time
+func AddYear(t time.Time, years int64) time.Time
 ```

 <b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/MqW2ujnBx10)</span></b>
@@ -241,20 +309,137 @@ import (
 )

 func main() {
-    now := time.Now()
+    date, _ := time.Parse("2006-01-02", "2021-01-01")

-    after1Year := datetime.AddYear(now, 1)
-    diff1 := after1Year.Sub(now)
+    after2Years := AddYear(date, 2)
+    before2Years := AddYear(date, -2)

-    before1Year := datetime.AddYear(now, -1)
-    diff2 := before1Year.Sub(now)
-
-    fmt.Println(diff1)
-    fmt.Println(diff2)
+    fmt.Println(after2Years.Format("2006-01-02"))
+    fmt.Println(before2Years.Format("2006-01-02"))

    // Output:
-    // 8760h0m0s
-    // -8760h0m0s
+    // 2023-01-01
+    // 2019-01-01
+}
+```
+
+### <span id="AddDaySafe">AddDaySafe</span>
+
+<p>增加/减少指定的天数，并确保日期是有效日期。</p>
+
+<b>函数签名:</b>
+
+```go
+func AddDaySafe(t time.Time, days int) time.Time
+```
+
+<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "time"
+    "github.com/duke-git/lancet/v2/datetime"
+)
+
+func main() {
+    leapYearDate1, _ := time.Parse("2006-01-02", "2024-02-29")
+    result1 := datetime.AddDaySafe(leapYearDate1, 1)
+
+    leapYearDate2, _ := time.Parse("2006-01-02", "2024-03-01")
+    result2 := datetime.AddDaySafe(leapYearDate2, -1)
+
+    nonLeapYearDate1, _ := time.Parse("2006-01-02", "2025-02-28")
+    result3 := datetime.AddDaySafe(nonLeapYearDate1, 1)
+
+    nonLeaYearDate2, _ := time.Parse("2006-01-02", "2025-03-01")
+    result4 := datetime.AddDaySafe(nonLeaYearDate2, -1)
+
+    fmt.Println(result1.Format("2006-01-02"))
+    fmt.Println(result2.Format("2006-01-02"))
+    fmt.Println(result3.Format("2006-01-02"))
+    fmt.Println(result4.Format("2006-01-02"))
+
+    // Output:
+    // 2024-03-01
+    // 2024-02-29
+    // 2025-03-01
+    // 2025-02-28
+}
+```
+
+### <span id="AddMonthSafe">AddMonthSafe</span>
+
+<p>增加/减少指定的月份，并确保日期是有效日期。</p>
+
+<b>函数签名:</b>
+
+```go
+func AddMonthSafe(t time.Time, months int) time.Time
+```
+
+<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "time"
+    "github.com/duke-git/lancet/v2/datetime"
+)
+
+func main() {
+    date1, _ := time.Parse("2006-01-02", "2025-01-31")
+    result1 := datetime.AddMonthSafe(date1, 1)
+
+    date2, _ := time.Parse("2006-01-02", "2024-02-29")
+    result2 := datetime.AddMonthSafe(date2, -1)
+
+    fmt.Println(result1.Format("2006-01-02"))
+    fmt.Println(result2.Format("2006-01-02"))
+
+    // Output:
+    // 2025-02-28
+    // 2024-01-29
+}
+```
+
+### <span id="AddYearSafe">AddYearSafe</span>
+
+<p>增加/减少指定的年份，并确保日期是有效日期。</p>
+
+<b>函数签名:</b>
+
+```go
+func AddYearSafe(t time.Time, years int) time.Time
+```
+
+<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "time"
+    "github.com/duke-git/lancet/v2/datetime"
+)
+
+func main() {
+    date, _ := time.Parse("2006-01-02", "2020-02-29")
+
+    result1 := datetime.AddYearSafe(date, 1)
+    result2 := datetime.AddYearSafe(date, -1)
+
+    fmt.Println(result1.Format("2006-01-02"))
+    fmt.Println(result2.Format("2006-01-02"))
+
+    // Output:
+    // 2021-02-28
+    // 2019-02-28
 }
 ```

@@ -1585,7 +1770,7 @@ func main() {
 func Min(t1 time.Time, times ...time.Time) time.Time
 ```

-<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/MCIDvHNOGGb)</span></b>

 ```go
 package main
@@ -1615,7 +1800,7 @@ func main() {
 func Max(t1 time.Time, times ...time.Time) time.Time
 ```

-<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/9m6JMk1LB7-)</span></b>

 ```go
 package main
@@ -1645,7 +1830,7 @@ func main() {
 func MaxMin(t1 time.Time, times ...time.Time) (maxTime time.Time, minTime time.Time)
 ```

-<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/rbW51cDtM_2)</span></b>

 ```go
 package main
--- a/docs/api/packages/eventbus.md
+++ b/docs/api/packages/eventbus.md
@@ -0,0 +1,401 @@
+# EventBus
+
+EventbBus是一个事件总线，用于在应用程序中处理事件。
+
+<div STYLE="page-break-after: always;"></div>
+
+## 源码:
+
+-   [https://github.com/duke-git/lancet/blob/main/eventbus/eventbus.go](https://github.com/duke-git/lancet/blob/main/eventbus/eventbus.go)
+
+<div STYLE="page-break-after: always;"></div>
+
+## 用法:
+
+```go
+import (
+    "github.com/duke-git/lancet/v2/eventbus"
+)
+```
+
+<div STYLE="page-break-after: always;"></div>
+
+## 目录
+
+-   [NewEventBus](#NewEventBus)
+-   [Subscribe](#Subscribe)
+-   [Unsubscribe](#Unsubscribe)
+-   [Publish](#Publish)
+-   [ClearListeners](#ClearListeners)
+-   [ClearListenersByTopic](#ClearListenersByTopic)
+-   [GetListenersCount](#GetListenersCount)
+-   [GetAllListenersCount](#GetAllListenersCount)
+-   [GetEvents](#GetEvents)
+-   [SetErrorHandler](#SetErrorHandler)
+
+
+<div STYLE="page-break-after: always;"></div>
+
+## 文档
+
+### <span id="NewEventBus">NewEventBus</span>
+
+<p>创建EventBus实例。</p>
+
+<b>函数签名:</b>
+
+```go
+func NewEventBus[T any]() *EventBus[T]
+```
+
+<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
+
+```go
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/eventbus"
+)
+
+func main() {
+    eb := eventbus.NewEventBus[int]()
+
+    receivedData := 0
+    listener := func(eventData int) {
+        receivedData = eventData
+    }
+
+    eb.Subscribe("event1", listener, false, 0, nil)
+    eb.Publish(Event[int]{Topic: "event1", Payload: 1})
+
+    fmt.Println(receivedData)
+
+    // Output:
+    // 1
+}
+```
+
+### <span id="Subscribe">Subscribe</span>
+
+<p>订阅具有特定事件主题和监听函数的事件。支持异步，事件优先级，事件过滤器。</p>
+
+<b>函数签名:</b>
+
+```go
+func (eb *EventBus[T]) Subscribe(topic string, listener func(eventData T), async bool, priority int, filter func(eventData T) bool)
+```
+
+<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
+
+```go
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/eventbus"
+)
+
+func main() {
+    eb := eventbus.NewEventBus[int]()
+
+    receivedData := 0
+    listener := func(eventData int) {
+        receivedData = eventData
+    }
+
+    filter := func(eventData int) bool {
+        return eventData == 1
+    }
+
+    eb.Subscribe("event1", listener, false, 0, filter)
+
+    eb.Publish(Event[int]{Topic: "event1", Payload: 1})
+    eb.Publish(Event[int]{Topic: "event1", Payload: 2})
+
+    fmt.Println(receivedData)
+
+    // Output:
+    // 1
+}
+```
+
+### <span id="Unsubscribe">Unsubscribe</span>
+
+<p>取消订阅具有特定事件主题的事件。</p>
+
+<b>函数签名:</b>
+
+```go
+func (eb *EventBus[T]) Unsubscribe(topic string, listener func(eventData T))
+```
+
+<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
+
+```go
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/eventbus"
+)
+
+func main() {
+    eb := eventbus.NewEventBus[int]()
+
+    receivedData := 0
+    listener := func(eventData int) {
+        receivedData = eventData
+    }
+
+    eb.Subscribe("event1", listener, false, 0, nil)
+    eb.Unsubscribe("event1", listener)
+
+    eb.Publish(Event[int]{Topic: "event1", Payload: 1})
+
+    fmt.Println(receivedData)
+
+    // Output:
+    // 0
+}
+```
+
+### <span id="Publish">Publish</span>
+
+<p>发布一个带有特定事件主题和数据负载的事件。</p>
+
+<b>函数签名:</b>
+
+```go
+func (eb *EventBus[T]) Publish(event Event[T])
+```
+
+<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
+
+```go
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/eventbus"
+)
+
+func main() {
+    eb := eventbus.NewEventBus[int]()
+
+    eb.Subscribe("event1", func(eventData int) {
+        fmt.Println(eventData)
+    }, false, 0, nil)
+
+    eb.Publish(Event[int]{Topic: "event1", Payload: 1})
+
+    // Output:
+    // 1
+}
+```
+
+### <span id="ClearListeners">ClearListeners</span>
+
+<p>清空所有事件监听器。</p>
+
+<b>函数签名:</b>
+
+```go
+func (eb *EventBus[T]) ClearListeners()
+```
+
+<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
+
+```go
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/eventbus"
+)
+
+func main() {
+    eb := eventbus.NewEventBus[int]()
+
+    receivedData := 0
+    listener := func(eventData int) {
+        receivedData = eventData
+    }
+
+    eb.Subscribe("event1", listener, false, 0, nil)
+    eb.ClearListeners()
+
+    eb.Publish(Event[int]{Topic: "event1", Payload: 1})
+
+    fmt.Println(receivedData)
+
+    // Output:
+    // 0
+}
+```
+
+### <span id="ClearListenersByTopic">ClearListenersByTopic</span>
+
+<p>清空特定事件监听器。</p>
+
+<b>函数签名:</b>
+
+```go
+func (eb *EventBus[T]) ClearListenersByTopic(topic string)
+```
+
+<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
+
+```go
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/eventbus"
+)
+
+func main() {
+    eb := eventbus.NewEventBus[int]()
+
+    receivedData := 0
+    listener := func(eventData int) {
+        receivedData = eventData
+    }
+
+    eb.Subscribe("event1", listener, false, 0, nil)
+    eb.ClearListenersByTopic("event1")
+
+    eb.Publish(Event[int]{Topic: "event1", Payload: 1})
+
+    fmt.Println(receivedData)
+
+    // Output:
+    // 0
+}
+```
+
+### <span id="GetListenersCount">GetListenersCount</span>
+
+<p>获取特定事件的监听器数量。</p>
+
+<b>函数签名:</b>
+
+```go
+func (eb *EventBus[T]) GetListenersCount(topic string) int
+```
+
+<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
+
+```go
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/eventbus"
+)
+
+func main() {
+    eb := eventbus.NewEventBus[int]()
+
+    eb.Subscribe("event1", func(eventData int) {}, false, 0, nil)
+    eb.Subscribe("event1", func(eventData int) {}, false, 0, nil)
+
+    count := eb.GetListenersCount("event1")
+
+    fmt.Println(count)
+
+    // Output:
+    // 2
+}
+```
+
+### <span id="GetAllListenersCount">GetAllListenersCount</span>
+
+<p>获取所有事件的监听器数量。</p>
+
+<b>函数签名:</b>
+
+```go
+func (eb *EventBus[T]) GetAllListenersCount() int
+```
+
+<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
+
+```go
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/eventbus"
+)
+
+func main() {
+    eb := eventbus.NewEventBus[int]()
+
+    eb.Subscribe("event1", func(eventData int) {}, false, 0, nil)
+    eb.Subscribe("event2", func(eventData int) {}, false, 0, nil)
+
+    count := eb.GetAllListenersCount()
+
+    fmt.Println(count)
+
+    // Output:
+    // 2
+}
+```
+
+### <span id="GetEvents">GetEvents</span>
+
+<p>获取所有事件的topic。</p>
+
+<b>函数签名:</b>
+
+```go
+func (eb *EventBus[T]) GetEvents() []string
+```
+
+<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
+
+```go
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/eventbus"
+)
+
+func main() {
+    eb := eventbus.NewEventBus[int]()
+
+    eb.Subscribe("event1", func(eventData int) {}, false, 0, nil)
+    eb.Subscribe("event2", func(eventData int) {}, false, 0, nil)
+
+    events := eb.GetEvents()
+
+    for _, event := range events {
+        fmt.Println(event)
+    }
+
+    // Output:
+    // event1
+    // event2
+}
+```
+
+### <span id="SetErrorHandler">SetErrorHandler</span>
+
+<p>设置事件的错误处理函数。</p>
+
+<b>函数签名:</b>
+
+```go
+func (eb *EventBus[T]) SetErrorHandler(handler func(err error))
+```
+
+<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
+
+```go
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/eventbus"
+)
+
+func main() {
+    eb := eventbus.NewEventBus[int]()
+
+    eb.SetErrorHandler(func(err error) {
+		fmt.Println(err)
+	})
+
+	eb.Subscribe("event1", func(eventData int) {
+		panic("error")
+	}, false, 0, nil)
+
+	eb.Publish(Event[int]{Topic: "event1", Payload: 1})
+
+	// Output:
+	// error
+}
+```
--- a/docs/api/packages/fileutil.md
+++ b/docs/api/packages/fileutil.md
@@ -1088,7 +1088,7 @@ func main() {
 func GetExeOrDllVersion(filePath string) (string, error)
 ```

-<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/iLRrDBhE38E)</span></b>

 ```go
 package main
--- a/docs/api/packages/mathutil.md
+++ b/docs/api/packages/mathutil.md
@@ -1178,7 +1178,7 @@ func main() {
 func Variance[T constraints.Float | constraints.Integer](numbers []T) float64
 ```

-<b>示例:<span style="float:right;display:inline-block;">[示例](todo)</span></b>
+<b>示例:<span style="float:right;display:inline-block;">[示例](https://go.dev/play/p/uHuV4YgXf8F)</span></b>

 ```go
 package main
@@ -1211,7 +1211,7 @@ func main() {
 func StdDev[T constraints.Float | constraints.Integer](numbers []T) float64
 ```

-<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/FkNZDXvHD2l)</span></b>

 ```go
 package main
@@ -1222,8 +1222,8 @@ import (
 )

 func main() {
-    result1 := mathutil.T运行cRound(mathutil.StdDev([]int{1, 2, 3, 4, 5}), 2)
-    result2 := mathutil.T运行cRound(mathutil.StdDev([]float64{1.1, 2.2, 3.3, 4.4, 5.5}), 2)
+    result1 := mathutil.TruncRound(mathutil.StdDev([]int{1, 2, 3, 4, 5}), 2)
+    result2 := mathutil.TruncRound(mathutil.StdDev([]float64{1.1, 2.2, 3.3, 4.4, 5.5}), 2)

    fmt.Println(result1)
    fmt.Println(result2)
@@ -1244,7 +1244,7 @@ func main() {
 func Permutation(n, k uint) uint
 ```

-<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/MgobwH_FOxj)</span></b>

 ```go
 package main
@@ -1277,7 +1277,7 @@ func main() {
 func Combination(n, k uint) uint
 ```

-<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/ENFQRDQUFi9)</span></b>

 ```go
 package main
--- a/docs/api/packages/random.md
+++ b/docs/api/packages/random.md
@@ -534,7 +534,7 @@ func main() {
 func RandNumberOfLength(len int) int
 ```

-<b>实例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
+<b>实例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/oyZbuV7bu7b)</span></b>

 ```go
 package main
--- a/docs/api/packages/slice.md
+++ b/docs/api/packages/slice.md
@@ -44,6 +44,7 @@ import (
 -   [Every](#Every)
 -   [Equal](#Equal)
 -   [EqualWith](#EqualWith)
+-   [EqualUnordered](#EqualUnordered)
 -   [Filter](#Filter)
 -   [FilterConcurrent](#FilterConcurrent)
 -   [Find<sup>deprecated</sup>](#Find)
@@ -69,6 +70,7 @@ import (
 -   [FlatMap](#FlatMap)
 -   [Merge](#Merge)
 -   [Reverse](#Reverse)
+-   [ReverseCopy](#ReverseCopy)
 -   [Reduce<sup>deprecated</sup>](#Reduce)
 -   [ReduceConcurrent](#ReduceConcurrent)
 -   [ReduceBy](#ReduceBy)
@@ -77,6 +79,7 @@ import (
 -   [ReplaceAll](#ReplaceAll)
 -   [Repeat](#Repeat)
 -   [Shuffle](#Shuffle)
+-   [ShuffleCopy](#ShuffleCopy)
 -   [IsAscending](#IsAscending)
 -   [IsDescending](#IsDescending)
 -   [IsSorted](#IsSorted)
@@ -874,6 +877,37 @@ func main() {
 }
 ```

+### <span id="EqualUnordered">EqualUnordered</span>
+
+<p>检查两个切片是否相等，元素数量相同，值相等，不考虑元素顺序。</p>
+
+<b>函数签名:</b>
+
+```go
+func EqualUnordered[T comparable](slice1, slice2 []T) bool
+```
+
+<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
+
+```go
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/slice"
+)
+
+func main() {
+    result1 := slice.EqualUnordered([]int{1, 2, 3}, []int{3, 2, 1})
+    result2 := slice.EqualUnordered([]int{1, 2, 3}, []int{4, 5, 6})
+
+    fmt.Println(result1)
+    fmt.Println(result2)
+
+    // Output:
+    // true
+    // false
+}
+```
+
 ### <span id="Filter">Filter</span>

 <p>返回切片中通过predicate函数真值测试的所有元素</p>
@@ -1728,6 +1762,38 @@ func main() {
 }
 ```

+### <span id="ReverseCopy">ReverseCopy</span>
+
+<p>反转切片中的元素顺序, 不改变原slice。</p>
+
+<b>函数签名:</b>
+
+```go
+func ReverseCopy[T any](slice []T) []T
+```
+
+<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
+
+```go
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/slice"
+)
+
+func main() {
+    strs := []string{"a", "b", "c", "d"}
+
+    reversedStrs := slice.ReverseCopy(strs)
+
+    fmt.Println(reversedStrs)
+    fmt.Println(strs)
+
+    // Output:
+    // [d c b a]
+    // [a b c d]
+}
+```
+
 ### <span id="Reduce">Reduce</span>

 <p>将切片中的元素依次运行iteratee函数，返回运行结果。</p>
@@ -1962,7 +2028,7 @@ func main() {

 ### <span id="Shuffle">Shuffle</span>

-<p>随机打乱切片中的元素顺序</p>
+<p>随机打乱切片中的元素顺序。</p>

 <b>函数签名:</b>

@@ -1989,6 +2055,37 @@ func main() {
 }
 ```

+### <span id="ShuffleCopy">ShuffleCopy</span>
+
+<p>随机打乱切片中的元素顺序, 不改变原切片。</p>
+
+<b>函数签名:</b>
+
+```go
+func ShuffleCopy[T any](slice []T) []T
+```
+
+<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
+
+```go
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/slice"
+)
+
+func main() {
+    nums := []int{1, 2, 3, 4, 5}
+    result := slice.ShuffleCopy(nums)
+
+    fmt.Println(result)
+    fmt.Println(nums)
+
+    // Output:
+    // [3 1 5 4 2] (random order)
+    // [1 2 3 4 5]
+}
+```
+
 ### <span id="IsAscending">IsAscending</span>

 <p>检查切片元素是否按升序排列。</p>
@@ -2999,7 +3096,7 @@ func main() {
 func JoinFunc[T any](slice []T, sep string, transform func(T) T) string
 ```

-<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/55ib3SB5fM2)</span></b>

 ```go
 import (
@@ -3029,7 +3126,7 @@ func main() {
 func ConcatBy[T any](slice []T, sep T, connector func(T, T) T) T
 ```

-<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/6QcUpcY4UMW)</span></b>

 ```go
 import (
--- a/docs/api/packages/stream.md
+++ b/docs/api/packages/stream.md
@@ -951,7 +951,7 @@ func main() {
 func (s Stream[T]) IndexOf(target T, equal func(a, b T) bool) int
 ```

-<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/tBV5Nc-XDX2)</span></b>

 ```go
 import (
@@ -984,7 +984,7 @@ func main() {
 func (s Stream[T]) LastIndexOf(target T, equal func(a, b T) bool) int
 ```

-<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/CjeoNw2eac_G)</span></b>

 ```go
 import (
--- a/docs/api/packages/strutil.md
+++ b/docs/api/packages/strutil.md
@@ -69,6 +69,7 @@ import (
 -   [TemplateReplace](#TemplateReplace)
 -   [RegexMatchAllGroups](#RegexMatchAllGroups)
 -   [ExtractContent](#ExtractContent)
+-   [FindAllOccurrences](#FindAllOccurrences)


 <div STYLE="page-break-after: always;"></div>
@@ -1708,7 +1709,7 @@ func main() {
 func RegexMatchAllGroups(pattern, str string) [][]string
 ```

-<b>示例:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/JZiu0RXpgN-)</span></b>
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/JZiu0RXpgN-)</span></b>

 ```go
 import (
@@ -1741,7 +1742,7 @@ func main() {
 func ExtractContent(s, start, end string) []string
 ```

-<b>示例:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/Ay9UIk7Rum9)</span></b>

 ```go
 import (
@@ -1759,4 +1760,32 @@ func main() {
    // Output:
    // [content1 content2 content1]
 }
+```
+
+### <span id="FindAllOccurrences">FindAllOccurrences</span>
+
+<p>返回子字符串在字符串中所有出现的位置。</p>
+
+<b>函数签名:</b>
+
+```go
+func FindAllOccurrences(str, substr string) []int
+```
+
+<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
+
+```go
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/strutil"
+)
+
+func main() {
+    result := strutil.FindAllOccurrences("ababab", "ab")
+
+    fmt.Println(result)
+
+    // Output:
+    // [0 2 4]
+}
 ```
--- a/docs/api/packages/validator.md
+++ b/docs/api/packages/validator.md
@@ -49,6 +49,7 @@ import (
 -   [IsIp](#IsIp)
 -   [IsIpV4](#IsIpV4)
 -   [IsIpV6](#IsIpV6)
+-   [IsIpPort](#IsIpPort)
 -   [IsStrongPassword](#IsStrongPassword)
 -   [IsUrl](#IsUrl)
 -   [IsWeakPassword](#IsWeakPassword)
@@ -990,6 +991,43 @@ func main() {
 }
 ```

+### <span id="IsIpPort">IsIpPort</span>
+
+<p>检查字符串是否是ip:port格式。</p>
+
+<b>函数签名:</b>
+
+```go
+func IsIpPort(str string) bool
+```
+
+<b>示例:<span style="float:right;display:inline-block">[运行](todo)</span></b>
+
+```go
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/validator"
+)
+
+func main() {
+    result1 := validator.IsIpPort("127.0.0.1:8080")
+    result2 := validator.IsIpPort("[0:0:0:0:0:0:0:1]:8080")
+    result3 := validator.IsIpPort(":8080")
+    result4 := validator.IsIpPort("::0:0:0:0:")
+
+    fmt.Println(result1)
+    fmt.Println(result2)
+    fmt.Println(result3)
+    fmt.Println(result4)
+
+    // Output:
+    // true
+    // true
+    // false
+    // false
+}
+```
+
 ### <span id="IsStrongPassword">IsStrongPassword</span>

 <p>验证字符串是否是强密码：(alpha(lower+upper) + number + special chars(!@#$%^&*()?&gt&lt))。</p>
--- a/docs/api/packages/xerror.md
+++ b/docs/api/packages/xerror.md
@@ -509,7 +509,7 @@ func (tc *TryCatch) Finally(finallyFunc func(ctx context.Context)) *TryCatch
 func (tc *TryCatch) Do()
 ```

-<b>示例:<span style="float:right;display:inline-block">[运行](todo)</span></b>
+<b>示例:<span style="float:right;display:inline-block">[运行](https://go.dev/play/p/D5Mdb0mRj0P)</span></b>

 ```go
 package main
@@ -529,8 +529,6 @@ func main() {
        return errors.New("error in try block")
    }).Catch(func(ctx context.Context, err error) {
        calledCatch = true
-        // Error in try block at /path/xxx.go:{line_number} - Cause: error message
-        // fmt.Println(err.Error())
    }).Finally(func(ctx context.Context) {
        calledFinally = true
    }).Do()
--- a/docs/en/api/packages/convertor.md
+++ b/docs/en/api/packages/convertor.md
@@ -373,7 +373,7 @@ import (

 func main() {
    aMap := map[string]int{"a": 1, "b": 2, "c": 3}
-    result, err := ToJson(aMap)
+    result, err := convertor.ToJson(aMap)

    if err != nil {
        fmt.Printf("%v", err)
@@ -1123,7 +1123,7 @@ func main() {

 <p>Converts an integer of any supported type (int, int64, uint64, etc.) to *big.Int</p>

-<b>Signature:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
+<b>Signature:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/X3itkCxwB_x)</span></b>

 ```go
 func ToBigInt[T any](v T) (*big.Int, error)
--- a/docs/en/api/packages/cryptor.md
+++ b/docs/en/api/packages/cryptor.md
@@ -1435,7 +1435,7 @@ func main() {
 func RsaEncrypt(data []byte, pubKeyFileName string) []byte
 ```

-<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/uef0q1fz53I)</span></b>
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/7_zo6mrx-eX)</span></b>

 ```go
 package main
@@ -1472,7 +1472,7 @@ func main() {
 func RsaDecrypt(data []byte, privateKeyFileName string) []byte
 ```

-<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/uef0q1fz53I)</span></b>
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/7_zo6mrx-eX)</span></b>

 ```go
 package main
@@ -1620,7 +1620,7 @@ func main() {
 func RsaSign(hash crypto.Hash, data []byte, privateKeyFileName string) ([]byte, error)
 ```

-<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/qhsbf8BJ6Mf)</span></b>

 ```go
 package main
@@ -1659,7 +1659,7 @@ func main() {
 func RsaVerifySign(hash crypto.Hash, data, signature []byte, pubKeyFileName string) error
 ```

-<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/qhsbf8BJ6Mf)</span></b>

 ```go
 package main
--- a/docs/en/api/packages/datetime.md
+++ b/docs/en/api/packages/datetime.md
@@ -24,9 +24,14 @@ import (
 ## Index

 -   [AddDay](#AddDay)
+-   [AddWeek](#AddWeek)
+-   [AddMonth](#AddMonth)
 -   [AddHour](#AddHour)
 -   [AddMinute](#AddMinute)
 -   [AddYear](#AddYear)
+-   [AddDaySafe](#AddDaySafe)
+-   [AddMonthSafe](#AddMonthSafe)
+-   [AddYearSafe](#AddYearSafe)
 -   [BeginOfMinute](#BeginOfMinute)
 -   [BeginOfHour](#BeginOfHour)
 -   [BeginOfDay](#BeginOfDay)
@@ -111,7 +116,7 @@ import (
 <b>Signature:</b>

 ```go
-func AddDay(t time.Time, day int64) time.Time
+func AddDay(t time.Time, days int64) time.Time
 ```

 <b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/dIGbs_uTdFa)</span></b>
@@ -126,20 +131,89 @@ import (
 )

 func main() {
-    now := time.Now()
+    date, _ := time.Parse("2006-01-02 15:04:05", "2021-01-01 00:00:00")

-    tomorrow := datetime.AddDay(now, 1)
-    diff1 := tomorrow.Sub(now)
+    after1Day := datetime.AddDay(date, 1)
+    before1Day := datetime.AddDay(date, -1)

-    yesterday := datetime.AddDay(now, -1)
-    diff2 := yesterday.Sub(now)
-
-    fmt.Println(diff1)
-    fmt.Println(diff2)
+    fmt.Println(after1Day.Format("2006-01-02 15:04:05"))
+    fmt.Println(before1Day.Format("2006-01-02 15:04:05"))

    // Output:
-    // 24h0m0s
-    // -24h0m0s
+    // 2021-01-02 00:00:00
+    // 2020-12-31 00:00:00
+}
+```
+
+### <span id="AddWeek">AddWeek</span>
+
+<p>Add or sub weeks to time.</p>
+
+<b>Signature:</b>
+
+```go
+func AddWeek(t time.Time, weeks int64) time.Time
+```
+
+<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "time"
+    "github.com/duke-git/lancet/v2/datetime"
+)
+
+func main() {
+    date, _ := time.Parse("2006-01-02", "2021-01-01")
+
+    after2Weeks := datetime.AddWeek(date, 2)
+    before2Weeks := datetime.AddWeek(date, -2)
+
+    fmt.Println(after2Weeks.Format("2006-01-02"))
+    fmt.Println(before2Weeks.Format("2006-01-02"))
+
+    // Output:
+    // 2021-01-15
+    // 2020-12-18
+}
+```
+
+### <span id="AddMonth">AddMonth</span>
+
+<p>Add or sub months to time.</p>
+
+<b>Signature:</b>
+
+```go
+func AddMonth(t time.Time, months int64) time.Time
+```
+
+<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "time"
+    "github.com/duke-git/lancet/v2/datetime"
+)
+
+func main() {
+    date, _ := time.Parse("2006-01-02", "2021-01-01")
+
+    after2Months := datetime.AddMonth(date, 2)
+    before2Months := datetime.AddMonth(date, -2)
+
+    fmt.Println(after2Months.Format("2006-01-02"))
+    fmt.Println(before2Months.Format("2006-01-02"))
+
+    // Output:
+    // 2021-03-01
+    // 2020-11-01
 }
 ```

@@ -165,20 +239,17 @@ import (
 )

 func main() {
-    now := time.Now()
+    date, _ := time.Parse("2006-01-02 15:04:05", "2021-01-01 00:00:00")

-    after2Hours := datetime.AddHour(now, 2)
-    diff1 := after2Hours.Sub(now)
+    after2Hours := datetime.AddHour(date, 2)
+    before2Hours := datetime.AddHour(date, -2)

-    before2Hours := datetime.AddHour(now, -2)
-    diff2 := before2Hours.Sub(now)
-
-    fmt.Println(diff1)
-    fmt.Println(diff2)
+    fmt.Println(after2Hours.Format("2006-01-02 15:04:05"))
+    fmt.Println(before2Hours.Format("2006-01-02 15:04:05"))

    // Output:
-    // 2h0m0s
-    // -2h0m0s
+    // 2021-01-01 02:00:00
+    // 2020-12-31 22:00:00
 }
 ```

@@ -204,20 +275,17 @@ import (
 )

 func main() {
-    now := time.Now()
+    date, _ := time.Parse("2006-01-02 15:04:05", "2021-01-01 00:00:00")

-    after2Minutes := datetime.AddMinute(now, 2)
-    diff1 := after2Minutes.Sub(now)
+    after2Minutes := datetime.AddMinute(date, 2)
+    before2Minutes := datetime.AddMinute(date, -2)

-    before2Minutes := datetime.AddMinute(now, -2)
-    diff2 := before2Minutes.Sub(now)
-
-    fmt.Println(diff1)
-    fmt.Println(diff2)
+    fmt.Println(after2Minutes.Format("2006-01-02 15:04:05"))
+    fmt.Println(before2Minutes.Format("2006-01-02 15:04:05"))

    // Output:
-    // 2m0s
-    // -2m0s
+    // 2021-01-01 00:02:00
+    // 2020-12-31 23:58:00
 }
 ```

@@ -243,20 +311,137 @@ import (
 )

 func main() {
-    now := time.Now()
+    date, _ := time.Parse("2006-01-02", "2021-01-01")

-    after1Year := datetime.AddYear(now, 1)
-    diff1 := after1Year.Sub(now)
+    after2Years := AddYear(date, 2)
+    before2Years := AddYear(date, -2)

-    before1Year := datetime.AddYear(now, -1)
-    diff2 := before1Year.Sub(now)
-
-    fmt.Println(diff1)
-    fmt.Println(diff2)
+    fmt.Println(after2Years.Format("2006-01-02"))
+    fmt.Println(before2Years.Format("2006-01-02"))

    // Output:
-    // 8760h0m0s
-    // -8760h0m0s
+    // 2023-01-01
+    // 2019-01-01
+}
+```
+
+### <span id="AddDaySafe">AddDaySafe</span>
+
+<p>Add or sub days to the time and ensure that the returned date does not exceed the valid date of the target year and month.</p>
+
+<b>Signature:</b>
+
+```go
+func AddDaySafe(t time.Time, days int) time.Time
+```
+
+<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "time"
+    "github.com/duke-git/lancet/v2/datetime"
+)
+
+func main() {
+    leapYearDate1, _ := time.Parse("2006-01-02", "2024-02-29")
+    result1 := datetime.AddDaySafe(leapYearDate1, 1)
+
+    leapYearDate2, _ := time.Parse("2006-01-02", "2024-03-01")
+    result2 := datetime.AddDaySafe(leapYearDate2, -1)
+
+    nonLeapYearDate1, _ := time.Parse("2006-01-02", "2025-02-28")
+    result3 := datetime.AddDaySafe(nonLeapYearDate1, 1)
+
+    nonLeaYearDate2, _ := time.Parse("2006-01-02", "2025-03-01")
+    result4 := datetime.AddDaySafe(nonLeaYearDate2, -1)
+
+    fmt.Println(result1.Format("2006-01-02"))
+    fmt.Println(result2.Format("2006-01-02"))
+    fmt.Println(result3.Format("2006-01-02"))
+    fmt.Println(result4.Format("2006-01-02"))
+
+    // Output:
+    // 2024-03-01
+    // 2024-02-29
+    // 2025-03-01
+    // 2025-02-28
+}
+```
+
+### <span id="AddMonthSafe">AddMonthSafe</span>
+
+<p>Add or sub months to the time and ensure that the returned date does not exceed the valid date of the target year and month.</p>
+
+<b>Signature:</b>
+
+```go
+func AddMonthSafe(t time.Time, months int) time.Time
+```
+
+<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "time"
+    "github.com/duke-git/lancet/v2/datetime"
+)
+
+func main() {
+    date1, _ := time.Parse("2006-01-02", "2025-01-31")
+    result1 := datetime.AddMonthSafe(date1, 1)
+
+    date2, _ := time.Parse("2006-01-02", "2024-02-29")
+    result2 := datetime.AddMonthSafe(date2, -1)
+
+    fmt.Println(result1.Format("2006-01-02"))
+    fmt.Println(result2.Format("2006-01-02"))
+
+    // Output:
+    // 2025-02-28
+    // 2024-01-29
+}
+```
+
+### <span id="AddYearSafe">AddYearSafe</span>
+
+<p>Add or sub years to the time and ensure that the returned date does not exceed the valid date of the target year and month.</p>
+
+<b>Signature:</b>
+
+```go
+func AddYearSafe(t time.Time, years int) time.Time
+```
+
+<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "time"
+    "github.com/duke-git/lancet/v2/datetime"
+)
+
+func main() {
+    date, _ := time.Parse("2006-01-02", "2020-02-29")
+
+    result1 := datetime.AddYearSafe(date, 1)
+    result2 := datetime.AddYearSafe(date, -1)
+
+    fmt.Println(result1.Format("2006-01-02"))
+    fmt.Println(result2.Format("2006-01-02"))
+
+    // Output:
+    // 2021-02-28
+    // 2019-02-28
 }
 ```

@@ -1342,7 +1527,7 @@ import (
 func main() {
    result1 := datetime.NowDateOrTime("yyyy-mm-dd hh:mm:ss")

-	result2 := datetime.NowDateOrTime("yyyy-mm-dd hh:mm:ss", "EST")
+    result2 := datetime.NowDateOrTime("yyyy-mm-dd hh:mm:ss", "EST")

    fmt.Println(result1)
    fmt.Println(result2)
@@ -1586,7 +1771,7 @@ func main() {
 func Min(t1 time.Time, times ...time.Time) time.Time
 ```

-<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/MCIDvHNOGGb)</span></b>

 ```go
 package main
@@ -1616,7 +1801,7 @@ func main() {
 func Max(t1 time.Time, times ...time.Time) time.Time
 ```

-<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/9m6JMk1LB7-)</span></b>

 ```go
 package main
@@ -1646,7 +1831,7 @@ func main() {
 func MaxMin(t1 time.Time, times ...time.Time) (maxTime time.Time, minTime time.Time)
 ```

-<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/rbW51cDtM_2)</span></b>

 ```go
 package main
--- a/docs/en/api/packages/eventbus.md
+++ b/docs/en/api/packages/eventbus.md
@@ -0,0 +1,401 @@
+# EventBus
+
+EventBus is an event bus used for handling events within an application.
+
+<div STYLE="page-break-after: always;"></div>
+
+## Source:
+
+-   [https://github.com/duke-git/lancet/blob/main/eventbus/eventbus.go](https://github.com/duke-git/lancet/blob/main/eventbus/eventbus.go)
+
+<div STYLE="page-break-after: always;"></div>
+
+## Usage:
+
+```go
+import (
+    "github.com/duke-git/lancet/v2/eventbus"
+)
+```
+
+<div STYLE="page-break-after: always;"></div>
+
+## Index
+
+-   [NewEventBus](#NewEventBus)
+-   [Subscribe](#Subscribe)
+-   [Unsubscribe](#Unsubscribe)
+-   [Publish](#Publish)
+-   [ClearListeners](#ClearListeners)
+-   [ClearListenersByTopic](#ClearListenersByTopic)
+-   [GetListenersCount](#GetListenersCount)
+-   [GetAllListenersCount](#GetAllListenersCount)
+-   [GetEvents](#GetEvents)
+-   [SetErrorHandler](#SetErrorHandler)
+
+
+<div STYLE="page-break-after: always;"></div>
+
+## Documentation
+
+### <span id="NewEventBus">NewEventBus</span>
+
+<p>Create an EventBus instance.</p>
+
+<b>Signature:</b>
+
+```go
+func NewEventBus[T any]() *EventBus[T]
+```
+
+<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
+
+```go
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/eventbus"
+)
+
+func main() {
+    eb := eventbus.NewEventBus[int]()
+
+    receivedData := 0
+    listener := func(eventData int) {
+        receivedData = eventData
+    }
+
+    eb.Subscribe("event1", listener, false, 0, nil)
+    eb.Publish(Event[int]{Topic: "event1", Payload: 1})
+
+    fmt.Println(receivedData)
+
+    // Output:
+    // 1
+}
+```
+
+### <span id="Subscribe">Subscribe</span>
+
+<p>Subscribes to an event with a specific event topic and listener function.</p>
+
+<b>Signature:</b>
+
+```go
+func (eb *EventBus[T]) Subscribe(topic string, listener func(eventData T), async bool, priority int, filter func(eventData T) bool)
+```
+
+<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
+
+```go
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/eventbus"
+)
+
+func main() {
+    eb := eventbus.NewEventBus[int]()
+
+    receivedData := 0
+    listener := func(eventData int) {
+        receivedData = eventData
+    }
+
+    filter := func(eventData int) bool {
+        return eventData == 1
+    }
+
+    eb.Subscribe("event1", listener, false, 0, filter)
+
+    eb.Publish(Event[int]{Topic: "event1", Payload: 1})
+    eb.Publish(Event[int]{Topic: "event1", Payload: 2})
+
+    fmt.Println(receivedData)
+
+    // Output:
+    // 1
+}
+```
+
+### <span id="Unsubscribe">Unsubscribe</span>
+
+<p>Unsubscribes from an event with a specific event topic and listener function.</p>
+
+<b>Signature:</b>
+
+```go
+func (eb *EventBus[T]) Unsubscribe(topic string, listener func(eventData T))
+```
+
+<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
+
+```go
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/eventbus"
+)
+
+func main() {
+    eb := eventbus.NewEventBus[int]()
+
+    receivedData := 0
+    listener := func(eventData int) {
+        receivedData = eventData
+    }
+
+    eb.Subscribe("event1", listener, false, 0, nil)
+    eb.Unsubscribe("event1", listener)
+
+    eb.Publish(Event[int]{Topic: "event1", Payload: 1})
+
+    fmt.Println(receivedData)
+
+    // Output:
+    // 0
+}
+```
+
+### <span id="Publish">Publish</span>
+
+<p>Publishes an event with a specific event topic and data payload.</p>
+
+<b>Signature:</b>
+
+```go
+func (eb *EventBus[T]) Publish(event Event[T])
+```
+
+<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
+
+```go
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/eventbus"
+)
+
+func main() {
+    eb := eventbus.NewEventBus[int]()
+
+    eb.Subscribe("event1", func(eventData int) {
+        fmt.Println(eventData)
+    }, false, 0, nil)
+
+    eb.Publish(Event[int]{Topic: "event1", Payload: 1})
+
+    // Output:
+    // 1
+}
+```
+
+### <span id="ClearListeners">ClearListeners</span>
+
+<p>Clears all the listeners.</p>
+
+<b>Signature:</b>
+
+```go
+func (eb *EventBus[T]) ClearListeners()
+```
+
+<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
+
+```go
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/eventbus"
+)
+
+func main() {
+    eb := eventbus.NewEventBus[int]()
+
+    receivedData := 0
+    listener := func(eventData int) {
+        receivedData = eventData
+    }
+
+    eb.Subscribe("event1", listener, false, 0, nil)
+    eb.ClearListeners()
+
+    eb.Publish(Event[int]{Topic: "event1", Payload: 1})
+
+    fmt.Println(receivedData)
+
+    // Output:
+    // 0
+}
+```
+
+### <span id="ClearListenersByTopic">ClearListenersByTopic</span>
+
+<p>Clears all the listeners by topic.</p>
+
+<b>Signature:</b>
+
+```go
+func (eb *EventBus[T]) ClearListenersByTopic(topic string)
+```
+
+<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
+
+```go
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/eventbus"
+)
+
+func main() {
+    eb := eventbus.NewEventBus[int]()
+
+    receivedData := 0
+    listener := func(eventData int) {
+        receivedData = eventData
+    }
+
+    eb.Subscribe("event1", listener, false, 0, nil)
+    eb.ClearListenersByTopic("event1")
+
+    eb.Publish(Event[int]{Topic: "event1", Payload: 1})
+
+    fmt.Println(receivedData)
+
+    // Output:
+    // 0
+}
+```
+
+### <span id="GetListenersCount">GetListenersCount</span>
+
+<p>Returns the number of listeners for a specific event topic.</p>
+
+<b>Signature:</b>
+
+```go
+func (eb *EventBus[T]) GetListenersCount(topic string) int
+```
+
+<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
+
+```go
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/eventbus"
+)
+
+func main() {
+    eb := eventbus.NewEventBus[int]()
+
+    eb.Subscribe("event1", func(eventData int) {}, false, 0, nil)
+    eb.Subscribe("event1", func(eventData int) {}, false, 0, nil)
+
+    count := eb.GetListenersCount("event1")
+
+    fmt.Println(count)
+
+    // Output:
+    // 2
+}
+```
+
+### <span id="GetAllListenersCount">GetAllListenersCount</span>
+
+<p>Returns the total number of all listeners.</p>
+
+<b>Signature:</b>
+
+```go
+func (eb *EventBus[T]) GetAllListenersCount() int
+```
+
+<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
+
+```go
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/eventbus"
+)
+
+func main() {
+    eb := eventbus.NewEventBus[int]()
+
+    eb.Subscribe("event1", func(eventData int) {}, false, 0, nil)
+    eb.Subscribe("event2", func(eventData int) {}, false, 0, nil)
+
+    count := eb.GetAllListenersCount()
+
+    fmt.Println(count)
+
+    // Output:
+    // 2
+}
+```
+
+### <span id="GetEvents">GetEvents</span>
+
+<p>Returns all the events topics.</p>
+
+<b>Signature:</b>
+
+```go
+func (eb *EventBus[T]) GetEvents() []string
+```
+
+<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
+
+```go
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/eventbus"
+)
+
+func main() {
+    eb := eventbus.NewEventBus[int]()
+
+    eb.Subscribe("event1", func(eventData int) {}, false, 0, nil)
+    eb.Subscribe("event2", func(eventData int) {}, false, 0, nil)
+
+    events := eb.GetEvents()
+
+    for _, event := range events {
+        fmt.Println(event)
+    }
+
+    // Output:
+    // event1
+    // event2
+}
+```
+
+### <span id="SetErrorHandler">SetErrorHandler</span>
+
+<p>Sets the error handler function.</p>
+
+<b>Signature:</b>
+
+```go
+func (eb *EventBus[T]) SetErrorHandler(handler func(err error))
+```
+
+<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
+
+```go
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/eventbus"
+)
+
+func main() {
+    eb := eventbus.NewEventBus[int]()
+
+    eb.SetErrorHandler(func(err error) {
+		fmt.Println(err)
+	})
+
+	eb.Subscribe("event1", func(eventData int) {
+		panic("error")
+	}, false, 0, nil)
+
+	eb.Publish(Event[int]{Topic: "event1", Payload: 1})
+
+	// Output:
+	// error
+}
+```
--- a/docs/en/api/packages/fileutil.md
+++ b/docs/en/api/packages/fileutil.md
@@ -1087,7 +1087,7 @@ func main() {
 func GetExeOrDllVersion(filePath string) (string, error)
 ```

-<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/iLRrDBhE38E)</span></b>

 ```go
 package main
--- a/docs/en/api/packages/mathutil.md
+++ b/docs/en/api/packages/mathutil.md
@@ -1177,7 +1177,7 @@ func main() {
 func Variance[T constraints.Float | constraints.Integer](numbers []T) float64
 ```

-<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/uHuV4YgXf8F)</span></b>

 ```go
 package main
@@ -1210,7 +1210,7 @@ func main() {
 func StdDev[T constraints.Float | constraints.Integer](numbers []T) float64
 ```

-<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/FkNZDXvHD2l)</span></b>

 ```go
 package main
@@ -1243,7 +1243,7 @@ func main() {
 func Permutation(n, k uint) uint
 ```

-<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/MgobwH_FOxj)</span></b>

 ```go
 package main
@@ -1276,7 +1276,7 @@ func main() {
 func Combination(n, k uint) uint
 ```

-<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/ENFQRDQUFi9)</span></b>

 ```go
 package main
--- a/docs/en/api/packages/random.md
+++ b/docs/en/api/packages/random.md
@@ -536,7 +536,7 @@ func main() {
 func RandNumberOfLength(len int) int
 ```

-<b>Signature:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
+<b>Signature:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/oyZbuV7bu7b)</span></b>

 ```go
 package main
--- a/docs/en/api/packages/slice.md
+++ b/docs/en/api/packages/slice.md
@@ -43,6 +43,7 @@ import (
 -   [DropRightWhile](#DropRightWhile)
 -   [Equal](#Equal)
 -   [EqualWith](#EqualWith)
+-   [EqualUnordered](#EqualUnordered)
 -   [Every](#Every)
 -   [Filter](#Filter)
 -   [FilterConcurrent](#FilterConcurrent)
@@ -69,6 +70,7 @@ import (
 -   [FlatMap](#FlatMap)
 -   [Merge](#Merge)
 -   [Reverse](#Reverse)
+-   [ReverseCopy](#ReverseCopy)
 -   [Reduce<sup>deprecated</sup>](#Reduce)
 -   [ReduceConcurrent](#ReduceConcurrent)
 -   [ReduceBy](#ReduceBy)
@@ -77,6 +79,7 @@ import (
 -   [ReplaceAll](#ReplaceAll)
 -   [Repeat](#Repeat)
 -   [Shuffle](#Shuffle)
+-   [ShuffleCopy](#ShuffleCopy)
 -   [IsAscending](#IsAscending)
 -   [IsDescending](#IsDescending)
 -   [IsSorted](#IsSorted)
@@ -839,6 +842,37 @@ func main() {
 }
 ```

+### <span id="EqualUnordered">EqualUnordered</span>
+
+<p>Checks if two slices are equal: the same length and all elements value are equal (unordered).</p>
+
+<b>Signature:</b>
+
+```go
+func EqualUnordered[T comparable](slice1, slice2 []T) bool
+```
+
+<b>Example:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
+
+```go
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/slice"
+)
+
+func main() {
+    result1 := slice.EqualUnordered([]int{1, 2, 3}, []int{3, 2, 1})
+    result2 := slice.EqualUnordered([]int{1, 2, 3}, []int{4, 5, 6})
+
+    fmt.Println(result1)
+    fmt.Println(result2)
+
+    // Output:
+    // true
+    // false
+}
+```
+
 ### <span id="Every">Every</span>

 <p>Return true if all of the values in the slice pass the predicate function.</p>
@@ -1724,6 +1758,38 @@ func main() {
 }
 ```

+### <span id="ReverseCopy">ReverseCopy</span>
+
+<p>Return a new slice of element order is reversed to the given slice.</p>
+
+<b>Signature:</b>
+
+```go
+func ReverseCopy[T any](slice []T) []T
+```
+
+<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
+
+```go
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/slice"
+)
+
+func main() {
+    strs := []string{"a", "b", "c", "d"}
+
+    reversedStrs := slice.ReverseCopy(strs)
+
+    fmt.Println(reversedStrs)
+    fmt.Println(strs)
+
+    // Output:
+    // [d c b a]
+    // [a b c d]
+}
+```
+
 ### <span id="Reduce">Reduce</span>

 <p>Reduce slice.</p>
@@ -1986,6 +2052,37 @@ func main() {
 }
 ```

+### <span id="ShuffleCopy">ShuffleCopy</span>
+
+<p>Return a new slice with elements shuffled.</p>
+
+<b>Signature:</b>
+
+```go
+func ShuffleCopy[T any](slice []T) []T
+```
+
+<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
+
+```go
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/slice"
+)
+
+func main() {
+    nums := []int{1, 2, 3, 4, 5}
+    result := slice.ShuffleCopy(nums)
+
+    fmt.Println(result)
+    fmt.Println(nums)
+
+    // Output:
+    // [3 1 5 4 2] (random order)
+    // [1 2 3 4 5]
+}
+```
+
 ### <span id="IsAscending">IsAscending</span>

 <p>Checks if a slice is ascending order.</p>
@@ -2995,7 +3092,7 @@ func main() {
 func JoinFunc[T any](slice []T, sep string, transform func(T) T) string
 ```

-<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/55ib3SB5fM2)</span></b>

 ```go
 import (
@@ -3025,7 +3122,7 @@ func main() {
 func ConcatBy[T any](slice []T, sep T, connector func(T, T) T) T
 ```

-<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/6QcUpcY4UMW)</span></b>

 ```go
 import (
--- a/docs/en/api/packages/stream.md
+++ b/docs/en/api/packages/stream.md
@@ -950,7 +950,7 @@ func main() {
 func (s Stream[T]) IndexOf(target T, equal func(a, b T) bool) int
 ```

-<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/tBV5Nc-XDX2)</span></b>

 ```go
 import (
@@ -983,7 +983,7 @@ func main() {
 func (s Stream[T]) LastIndexOf(target T, equal func(a, b T) bool) int
 ```

-<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/CjeoNw2eac_G)</span></b>

 ```go
 import (
--- a/docs/en/api/packages/strutil.md
+++ b/docs/en/api/packages/strutil.md
@@ -68,7 +68,8 @@ import (
 -   [Rotate](#Rotate)
 -   [TemplateReplace](#TemplateReplace)
 -   [RegexMatchAllGroups](#RegexMatchAllGroups)
-   [ExtractContent](#RegexMatchAllGroups)
+-   [ExtractContent](#ExtractContent)
+-   [FindAllOccurrences](#FindAllOccurrences)


 <div STYLE="page-break-after: always;"></div>
@@ -1743,7 +1744,7 @@ func main() {
 func ExtractContent(s, start, end string) []string
 ```

-<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/Ay9UIk7Rum9)</span></b>

 ```go
 import (
@@ -1761,4 +1762,32 @@ func main() {
    // Output:
    // [content1 content2 content1]
 }
+```
+
+### <span id="FindAllOccurrences">FindAllOccurrences</span>
+
+<p>Returns the positions of all occurrences of a substring in a string.</p>
+
+<b>Signature:</b>
+
+```go
+func FindAllOccurrences(str, substr string) []int
+```
+
+<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
+
+```go
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/strutil"
+)
+
+func main() {
+    result := strutil.FindAllOccurrences("ababab", "ab")
+
+    fmt.Println(result)
+
+    // Output:
+    // [0 2 4]
+}
 ```
--- a/docs/en/api/packages/validator.md
+++ b/docs/en/api/packages/validator.md
@@ -49,6 +49,7 @@ import (
 -   [IsIp](#IsIp)
 -   [IsIpV4](#IsIpV4)
 -   [IsIpV6](#IsIpV6)
+-   [IsIpPort](#IsIpPort)
 -   [IsStrongPassword](#IsStrongPassword)
 -   [IsUrl](#IsUrl)
 -   [IsWeakPassword](#IsWeakPassword)
@@ -992,6 +993,43 @@ func main() {
 }
 ```

+### <span id="IsIpPort">IsIpPort</span>
+
+<p>Check if the string is ip:port</p>
+
+<b>Signature:</b>
+
+```go
+func IsIpPort(str string) bool
+```
+
+<b>Example:<span style="float:right;display:inline-block">[Run](todo)</span></b>
+
+```go
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/validator"
+)
+
+func main() {
+    result1 := validator.IsIpPort("127.0.0.1:8080")
+	result2 := validator.IsIpPort("[0:0:0:0:0:0:0:1]:8080")
+	result3 := validator.IsIpPort(":8080")
+	result4 := validator.IsIpPort("::0:0:0:0:")
+
+	fmt.Println(result1)
+	fmt.Println(result2)
+	fmt.Println(result3)
+	fmt.Println(result4)
+
+	// Output:
+	// true
+	// true
+	// false
+	// false
+}
+```
+
 ### <span id="IsStrongPassword">IsStrongPassword</span>

 <p>Check if the string is strong password (alpha(lower+upper) + number + special chars(!@#$%^&*()?gt&lt)).</p>
--- a/docs/en/api/packages/xerror.md
+++ b/docs/en/api/packages/xerror.md
@@ -507,7 +507,7 @@ func (tc *TryCatch) Finally(finallyFunc func(ctx context.Context)) *TryCatch
 func (tc *TryCatch) Do()
 ```

-<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/D5Mdb0mRj0P)</span></b>

 ```go
 package main
--- a/docs/en/guide/getting_started.md
+++ b/docs/en/guide/getting_started.md
@@ -10,7 +10,7 @@ outline: deep
 go get github.com/duke-git/lancet/v2 // will install latest version of v2.x.x
 ```

-2. <b>For users who use version below go1.18, you should install v1.x.x. The latest of v1.x.x is v1.4.5. </b>
+2. <b>For users who use version below go1.18, you should install v1.x.x. The latest of v1.x.x is v1.4.6. </b>

 ```go
 go get github.com/duke-git/lancet // below go1.18, install latest version of v1.x.x
--- a/docs/guide/getting_started.md
+++ b/docs/guide/getting_started.md
@@ -10,7 +10,7 @@ outline: deep
 go get github.com/duke-git/lancet/v2 // will install latest version of v2.x.x
 ```

-2. <b>使用 go1.18 以下版本的用户，必须安装 v1.x.x。目前最新的 v1 版本是 v1.4.5。</b>
+2. <b>使用 go1.18 以下版本的用户，必须安装 v1.x.x。目前最新的 v1 版本是 v1.4.6。</b>

 ```go
 go get github.com/duke-git/lancet // below go1.18, install latest version of v1.x.x
--- a/eventbus/eventbus.go
+++ b/eventbus/eventbus.go
@@ -0,0 +1,194 @@
+// Copyright 2025 dudaodong@gmail.com. All rights reserved.
+// Use of this source code is governed by MIT license
+
+// Package eventbus implements a simple event bus.
+package eventbus
+
+import (
+	"fmt"
+	"sort"
+	"sync"
+)
+
+// Event is the struct that is passed to the event listener, now it directly uses the generic Payload type.
+type Event[T any] struct {
+	Topic   string
+	Payload T
+}
+
+// EventBus is the struct that holds the listeners and the error handler.
+type EventBus[T any] struct {
+	// listeners    map[string][]*EventListener[T]
+	listeners    sync.Map
+	mu           sync.RWMutex
+	errorHandler func(err error)
+}
+
+// EventListener is the struct that holds the listener function and its priority.
+type EventListener[T any] struct {
+	priority int
+	listener func(eventData T)
+	async    bool
+	filter   func(eventData T) bool
+}
+
+// NewEventBus creates a new EventBus.
+// Play: todo
+func NewEventBus[T any]() *EventBus[T] {
+	return &EventBus[T]{
+		listeners: sync.Map{},
+	}
+}
+
+// Subscribe subscribes to an event with a specific event topic and listener function.
+// Play: todo
+func (eb *EventBus[T]) Subscribe(topic string, listener func(eventData T), async bool, priority int, filter func(eventData T) bool) {
+	eb.mu.Lock()
+	defer eb.mu.Unlock()
+
+	el := &EventListener[T]{
+		priority: priority,
+		listener: listener,
+		async:    async,
+		filter:   filter,
+	}
+
+	listenersInterface, _ := eb.listeners.LoadOrStore(topic, []*EventListener[T]{})
+	listeners := listenersInterface.([]*EventListener[T])
+
+	listeners = append(listeners, el)
+	sort.Slice(listeners, func(i, j int) bool {
+		return listeners[i].priority > listeners[j].priority
+	})
+
+	eb.listeners.Store(topic, listeners)
+}
+
+// Unsubscribe unsubscribes from an event with a specific event topic and listener function.
+// Play: todo
+func (eb *EventBus[T]) Unsubscribe(topic string, listener func(eventData T)) {
+	eb.mu.Lock()
+	defer eb.mu.Unlock()
+
+	listenersInterface, ok := eb.listeners.Load(topic)
+	if !ok {
+		return
+	}
+
+	listeners := listenersInterface.([]*EventListener[T])
+	listenerPtr := fmt.Sprintf("%p", listener)
+
+	var updatedListeners []*EventListener[T]
+	for _, l := range listeners {
+		if fmt.Sprintf("%p", l.listener) != listenerPtr {
+			updatedListeners = append(updatedListeners, l)
+		}
+	}
+
+	eb.listeners.Store(topic, updatedListeners)
+}
+
+// Publish publishes an event with a specific event topic and data payload.
+// Play: todo
+func (eb *EventBus[T]) Publish(event Event[T]) {
+	eb.mu.RLock()
+	defer eb.mu.RUnlock()
+
+	listenersInterface, exists := eb.listeners.Load(event.Topic)
+	if !exists {
+		return
+	}
+
+	listeners := listenersInterface.([]*EventListener[T])
+
+	for _, listener := range listeners {
+		if listener.filter != nil && !listener.filter(event.Payload) {
+			continue
+		}
+
+		if listener.async {
+			go eb.publishToListener(listener, event)
+		} else {
+			eb.publishToListener(listener, event)
+		}
+	}
+}
+
+func (eb *EventBus[T]) publishToListener(listener *EventListener[T], event Event[T]) {
+	defer func() {
+		if r := recover(); r != nil && eb.errorHandler != nil {
+			eb.errorHandler(fmt.Errorf("%v", r))
+		}
+	}()
+
+	listener.listener(event.Payload)
+}
+
+// SetErrorHandler sets the error handler function.
+func (eb *EventBus[T]) SetErrorHandler(handler func(err error)) {
+	eb.errorHandler = handler
+}
+
+// ClearListeners clears all the listeners.
+// Play: todo
+func (eb *EventBus[T]) ClearListeners() {
+	eb.mu.Lock()
+	defer eb.mu.Unlock()
+
+	eb.listeners = sync.Map{}
+}
+
+// ClearListenersByTopic clears all the listeners by topic.
+// Play: todo
+func (eb *EventBus[T]) ClearListenersByTopic(topic string) {
+	eb.mu.Lock()
+	defer eb.mu.Unlock()
+
+	eb.listeners.Delete(topic)
+}
+
+// GetListenersCount returns the number of listeners for a specific event topic.
+// Play: todo
+func (eb *EventBus[T]) GetListenersCount(topic string) int {
+	eb.mu.RLock()
+	defer eb.mu.RUnlock()
+
+	listenersInterface, ok := eb.listeners.Load(topic)
+	if !ok {
+		return 0
+	}
+
+	listeners := listenersInterface.([]*EventListener[T])
+	return len(listeners)
+}
+
+// GetAllListenersCount returns the total number of listeners.
+// Play: todo
+func (eb *EventBus[T]) GetAllListenersCount() int {
+	eb.mu.RLock()
+	defer eb.mu.RUnlock()
+
+	count := 0
+	eb.listeners.Range(func(key, value interface{}) bool {
+		count += len(value.([]*EventListener[T]))
+		return true
+	})
+
+	return count
+}
+
+// GetEvents returns all the events topics.
+// Play: todo
+func (eb *EventBus[T]) GetEvents() []string {
+	eb.mu.RLock()
+	defer eb.mu.RUnlock()
+
+	var events []string
+
+	eb.listeners.Range(func(key, value interface{}) bool {
+		events = append(events, key.(string))
+		return true
+	})
+
+	return events
+}
--- a/eventbus/eventbus_example_test.go
+++ b/eventbus/eventbus_example_test.go
@@ -0,0 +1,229 @@
+package eventbus
+
+import (
+	"fmt"
+	"sync"
+	"time"
+)
+
+func ExampleEventBus_Subscribe() {
+	eb := NewEventBus[string]()
+	eb.Subscribe("event1", func(eventData string) {
+		fmt.Println(eventData)
+	}, false, 0, nil)
+
+	eb.Publish(Event[string]{Topic: "event1", Payload: "hello"})
+
+	// Output:
+	// hello
+}
+
+func ExampleEventBus_Unsubscribe() {
+	eb := NewEventBus[int]()
+
+	receivedData := 0
+	listener := func(eventData int) {
+		receivedData = eventData
+	}
+
+	eb.Subscribe("event1", listener, false, 0, nil)
+	eb.Unsubscribe("event1", listener)
+
+	eb.Publish(Event[int]{Topic: "event1", Payload: 1})
+
+	fmt.Println(receivedData)
+
+	// Output:
+	// 0
+}
+
+func ExampleEventBus_Subscribe_withFilter() {
+	eb := NewEventBus[int]()
+
+	receivedData := 0
+	listener := func(eventData int) {
+		receivedData = eventData
+	}
+
+	filter := func(eventData int) bool {
+		return eventData == 1
+	}
+
+	eb.Subscribe("event1", listener, false, 0, filter)
+
+	eb.Publish(Event[int]{Topic: "event1", Payload: 1})
+	eb.Publish(Event[int]{Topic: "event1", Payload: 2})
+
+	fmt.Println(receivedData)
+
+	// Output:
+	// 1
+}
+
+func ExampleEventBus_Subscribe_withPriority() {
+	eb := NewEventBus[int]()
+
+	eb.Subscribe("event1", func(eventData int) {
+		fmt.Println(eventData)
+	}, false, 0, nil)
+
+	eb.Subscribe("event1", func(eventData int) {
+		fmt.Println(eventData)
+	}, false, 1, nil)
+
+	eb.Publish(Event[int]{Topic: "event1", Payload: 1})
+
+	// Output:
+	// 1
+	// 1
+}
+
+func ExampleEventBus_Subscribe_async() {
+	eb := NewEventBus[int]()
+
+	var wg sync.WaitGroup
+	wg.Add(1)
+
+	eb.Subscribe("event1", func(eventData int) {
+		time.Sleep(100 * time.Millisecond)
+		fmt.Println(eventData)
+		wg.Done()
+	}, true, 1, nil)
+
+	eb.Publish(Event[int]{Topic: "event1", Payload: 1})
+	wg.Wait()
+
+	// Output:
+	// 1
+}
+
+func ExampleEventBus_Publish() {
+	eb := NewEventBus[int]()
+
+	eb.Subscribe("event1", func(eventData int) {
+		fmt.Println(eventData)
+	}, false, 0, nil)
+
+	eb.Publish(Event[int]{Topic: "event1", Payload: 1})
+
+	// Output:
+	// 1
+}
+
+func ExampleEventBus() {
+	eb := NewEventBus[int]()
+
+	receivedData := 0
+	listener := func(eventData int) {
+		receivedData = eventData
+	}
+
+	eb.Subscribe("event1", listener, false, 0, nil)
+	eb.Publish(Event[int]{Topic: "event1", Payload: 1})
+
+	fmt.Println(receivedData)
+
+	// Output:
+	// 1
+}
+
+func ExampleEventBus_ClearListeners() {
+	eb := NewEventBus[int]()
+
+	receivedData := 0
+	listener := func(eventData int) {
+		receivedData = eventData
+	}
+
+	eb.Subscribe("event1", listener, false, 0, nil)
+	eb.ClearListeners()
+
+	eb.Publish(Event[int]{Topic: "event1", Payload: 1})
+
+	fmt.Println(receivedData)
+
+	// Output:
+	// 0
+}
+
+func ExampleEventBus_ClearListenersByTopic() {
+	eb := NewEventBus[int]()
+
+	receivedData := 0
+	listener := func(eventData int) {
+		receivedData = eventData
+	}
+
+	eb.Subscribe("event1", listener, false, 0, nil)
+	eb.ClearListenersByTopic("event1")
+
+	eb.Publish(Event[int]{Topic: "event1", Payload: 1})
+
+	fmt.Println(receivedData)
+
+	// Output:
+	// 0
+}
+
+func ExampleEventBus_GetListenersCount() {
+	eb := NewEventBus[int]()
+
+	eb.Subscribe("event1", func(eventData int) {}, false, 0, nil)
+	eb.Subscribe("event1", func(eventData int) {}, false, 0, nil)
+
+	count := eb.GetListenersCount("event1")
+
+	fmt.Println(count)
+
+	// Output:
+	// 2
+}
+
+func ExampleEventBus_SetErrorHandler() {
+	eb := NewEventBus[int]()
+
+	eb.SetErrorHandler(func(err error) {
+		fmt.Println(err)
+	})
+
+	eb.Subscribe("event1", func(eventData int) {
+		panic("error")
+	}, false, 0, nil)
+
+	eb.Publish(Event[int]{Topic: "event1", Payload: 1})
+
+	// Output:
+	// error
+}
+
+func ExampleEventBus_GetAllListenersCount() {
+
+	eb := NewEventBus[int]()
+
+	eb.Subscribe("event1", func(eventData int) {}, false, 0, nil)
+	eb.Subscribe("event2", func(eventData int) {}, false, 0, nil)
+
+	count := eb.GetAllListenersCount()
+
+	fmt.Println(count)
+
+	// Output:
+	// 2
+}
+
+func ExampleEventBus_GetEvents() {
+	eb := NewEventBus[int]()
+
+	eb.Subscribe("event1", func(eventData int) {}, false, 0, nil)
+	eb.Subscribe("event2", func(eventData int) {}, false, 0, nil)
+
+	events := eb.GetEvents()
+
+	for _, event := range events {
+		fmt.Println(event)
+	}
+
+	// Output:
+	// event1
+	// event2
+}
--- a/eventbus/eventbus_test.go
+++ b/eventbus/eventbus_test.go
@@ -0,0 +1,219 @@
+package eventbus
+
+import (
+	"sync"
+	"testing"
+	"time"
+
+	"github.com/duke-git/lancet/v2/internal"
+)
+
+func TestEventBus_Subscribe(t *testing.T) {
+	t.Parallel()
+	assert := internal.NewAssert(t, "TestEventBus_Subscribe")
+
+	eb := NewEventBus[int]()
+
+	eb.Subscribe("event1", func(eventData int) {
+		assert.Equal(1, eventData)
+	}, false, 0, nil)
+
+	eb.Publish(Event[int]{Topic: "event1", Payload: 1})
+}
+
+func TestEventBus_Unsubscribe(t *testing.T) {
+
+	t.Parallel()
+	assert := internal.NewAssert(t, "TestEventBus_Unsubscribe")
+
+	eb := NewEventBus[int]()
+
+	receivedData := 0
+	listener := func(eventData int) {
+		receivedData = eventData
+	}
+
+	eb.Subscribe("event1", listener, false, 0, nil)
+	eb.Unsubscribe("event1", listener)
+
+	eb.Publish(Event[int]{Topic: "event1", Payload: 1})
+
+	assert.Equal(0, receivedData)
+}
+
+func TestEventBus_Subscribe_withFilter(t *testing.T) {
+	t.Parallel()
+	assert := internal.NewAssert(t, "TestEventBus_Subscribe_withFilter")
+
+	eb := NewEventBus[int]()
+
+	receivedData := 0
+	listener := func(eventData int) {
+		receivedData = eventData
+	}
+
+	filter := func(eventData int) bool {
+		return eventData == 1
+	}
+
+	eb.Subscribe("event1", listener, false, 0, filter)
+
+	eb.Publish(Event[int]{Topic: "event1", Payload: 1})
+	eb.Publish(Event[int]{Topic: "event1", Payload: 2})
+
+	assert.Equal(1, receivedData)
+}
+
+func TestEventBus_Subscribe_withPriority(t *testing.T) {
+	t.Parallel()
+	assert := internal.NewAssert(t, "TestEventBus_Subscribe_withPriority")
+
+	eb := NewEventBus[int]()
+
+	var receivedData []int
+	listener1 := func(eventData int) {
+		receivedData = append(receivedData, 1)
+	}
+
+	listener2 := func(eventData int) {
+		receivedData = append(receivedData, 2)
+	}
+
+	eb.Subscribe("event1", listener1, false, 1, nil)
+	eb.Subscribe("event1", listener2, false, 2, nil)
+
+	eb.Publish(Event[int]{Topic: "event1", Payload: 1})
+
+	assert.Equal([]int{2, 1}, receivedData)
+}
+
+func TestEventBus_Subscribe_async(t *testing.T) {
+	t.Parallel()
+	assert := internal.NewAssert(t, "TestEventBus_Subscribe_async")
+
+	eb := NewEventBus[string]()
+
+	var wg sync.WaitGroup
+	wg.Add(1)
+
+	eb.Subscribe("event1", func(eventData string) {
+		time.Sleep(100 * time.Millisecond)
+		assert.Equal("hello", eventData)
+		wg.Done()
+	}, true, 1, nil)
+
+	eb.Publish(Event[string]{Topic: "event1", Payload: "hello"})
+
+	wg.Wait()
+}
+
+func TestEventBus_ErrorHandler(t *testing.T) {
+	t.Parallel()
+	assert := internal.NewAssert(t, "TestEventBus_ErrorHandler")
+
+	eb := NewEventBus[string]()
+
+	eb.SetErrorHandler(func(err error) {
+		assert.Equal("error", err.Error())
+	})
+
+	eb.Subscribe("event1", func(eventData string) {
+		panic("error")
+	}, false, 0, nil)
+
+	eb.Publish(Event[string]{Topic: "event1", Payload: "hello"})
+}
+
+func TestEventBus_ClearListeners(t *testing.T) {
+	t.Parallel()
+	assert := internal.NewAssert(t, "TestEventBus_ClearListeners")
+
+	eb := NewEventBus[int]()
+
+	receivedData1 := 0
+	receivedData2 := 0
+
+	eb.Subscribe("event1", func(eventData int) {
+		receivedData1 = eventData
+	}, false, 0, nil)
+
+	eb.Subscribe("event2", func(eventData int) {
+		receivedData2 = eventData
+	}, false, 0, nil)
+
+	eb.ClearListeners()
+
+	eb.Publish(Event[int]{Topic: "event1", Payload: 1})
+	eb.Publish(Event[int]{Topic: "event1", Payload: 2})
+
+	assert.Equal(0, receivedData1)
+	assert.Equal(0, receivedData2)
+}
+
+func TestEventBus_ClearListenersByTopic(t *testing.T) {
+	t.Parallel()
+	assert := internal.NewAssert(t, "TestEventBus_ClearListenersByTopic")
+
+	eb := NewEventBus[int]()
+
+	receivedData1 := 0
+	receivedData2 := 0
+
+	eb.Subscribe("event1", func(eventData int) {
+		receivedData1 = eventData
+	}, false, 0, nil)
+
+	eb.Subscribe("event2", func(eventData int) {
+		receivedData2 = eventData
+	}, false, 0, nil)
+
+	eb.ClearListenersByTopic("event1")
+
+	eb.Publish(Event[int]{Topic: "event1", Payload: 1})
+	eb.Publish(Event[int]{Topic: "event2", Payload: 2})
+
+	assert.Equal(0, receivedData1)
+	assert.Equal(2, receivedData2)
+}
+
+func TestEventBus_GetListenersCount(t *testing.T) {
+	t.Parallel()
+	assert := internal.NewAssert(t, "TestEventBus_GetListenersCount")
+
+	eb := NewEventBus[int]()
+
+	eb.Subscribe("event1", func(eventData int) {}, false, 0, nil)
+	eb.Subscribe("event1", func(eventData int) {}, false, 0, nil)
+	eb.Subscribe("event2", func(eventData int) {}, false, 0, nil)
+
+	assert.Equal(2, eb.GetListenersCount("event1"))
+	assert.Equal(1, eb.GetListenersCount("event2"))
+}
+
+func TestEventBus_GetAllListenersCount(t *testing.T) {
+	t.Parallel()
+	assert := internal.NewAssert(t, "TestEventBus_GetAllListenersCount")
+
+	eb := NewEventBus[int]()
+
+	eb.Subscribe("event1", func(eventData int) {}, false, 0, nil)
+	eb.Subscribe("event1", func(eventData int) {}, false, 0, nil)
+	eb.Subscribe("event2", func(eventData int) {}, false, 0, nil)
+
+	assert.Equal(3, eb.GetAllListenersCount())
+}
+
+func TestEventBus_GetEvents(t *testing.T) {
+	t.Parallel()
+	assert := internal.NewAssert(t, "TestEventBus_GetEvents")
+
+	eb := NewEventBus[int]()
+
+	eb.Subscribe("event1", func(eventData int) {}, false, 0, nil)
+	eb.Subscribe("event2", func(eventData int) {}, false, 0, nil)
+
+	events := eb.GetEvents()
+
+	assert.Equal(2, len(events))
+	assert.EqualValues([]string{"event1", "event2"}, events)
+}
--- a/fileutil/file.go
+++ b/fileutil/file.go
@@ -25,6 +25,8 @@ import (
 	"sync"

 	"github.com/duke-git/lancet/v2/validator"
+	"golang.org/x/text/encoding/simplifiedchinese"
+	"golang.org/x/text/transform"
 )

 // FileReader is a reader supporting offset seeking and reading one
@@ -422,8 +424,15 @@ func UnZip(zipFile string, destPath string) error {
 	defer zipReader.Close()

 	for _, f := range zipReader.File {
+		decodeName := f.Name
+		if f.Flags == 0 {
+			i := bytes.NewReader([]byte(f.Name))
+			decoder := transform.NewReader(i, simplifiedchinese.GB18030.NewDecoder())
+			content, _ := io.ReadAll(decoder)
+			decodeName = string(content)
+		}
 		// issue#62: fix ZipSlip bug
-		path, err := safeFilepathJoin(destPath, f.Name)
+		path, err := safeFilepathJoin(destPath, decodeName)
 		if err != nil {
 			return err
 		}
--- a/fileutil/file_windows.go
+++ b/fileutil/file_windows.go
@@ -26,7 +26,7 @@ type tagVS_FIXEDFILEINFO struct {
 }

 // GetExeOrDllVersion get the version of exe or dll file on windows.
-// Play: todo
+// Play: https://go.dev/play/p/iLRrDBhE38E
 func GetExeOrDllVersion(filePath string) (string, error) {
 	// 加载系统dll
 	versionDLL := syscall.NewLazyDLL("version.dll")
--- a/mathutil/mathutil.go
+++ b/mathutil/mathutil.go
@@ -145,10 +145,14 @@ func CeilToString[T constraints.Float | constraints.Integer](x T, n int) string

 // Max return max value of numbers.
 // Play: https://go.dev/play/p/cN8DHI0rTkH
-func Max[T constraints.Integer | constraints.Float](numbers ...T) T {
-	max := numbers[0]
+func Max[T constraints.Ordered](items ...T) T {
+	if len(items) < 1 {
+		panic("mathutil.Max: empty list")
+	}

-	for _, v := range numbers {
+	max := items[0]
+
+	for _, v := range items {
 		if max < v {
 			max = v
 		}
@@ -181,10 +185,14 @@ func MaxBy[T any](slice []T, comparator func(T, T) bool) T {

 // Min return min value of numbers.
 // Play: https://go.dev/play/p/21BER_mlGUj
-func Min[T constraints.Integer | constraints.Float](numbers ...T) T {
-	min := numbers[0]
+func Min[T constraints.Ordered](items ...T) T {
+	if len(items) < 1 {
+		panic("mathutil.min: empty list")
+	}

-	for _, v := range numbers {
+	min := items[0]
+
+	for _, v := range items {
 		if min > v {
 			min = v
 		}
@@ -400,7 +408,7 @@ func Div[T constraints.Float | constraints.Integer](x T, y T) float64 {
 }

 // Variance returns the variance of numbers.
-// Play: todo
+// Play: https://go.dev/play/p/uHuV4YgXf8F
 func Variance[T constraints.Float | constraints.Integer](numbers []T) float64 {
 	n := len(numbers)
 	if n == 0 {
@@ -418,13 +426,13 @@ func Variance[T constraints.Float | constraints.Integer](numbers []T) float64 {
 }

 // StdDev returns the standard deviation of numbers.
-// Play: todo
+// Play: https://go.dev/play/p/FkNZDXvHD2l
 func StdDev[T constraints.Float | constraints.Integer](numbers []T) float64 {
 	return math.Sqrt(Variance(numbers))
 }

 // Permutation calculate P(n, k).
-// Play: todo
+// Play: https://go.dev/play/p/MgobwH_FOxj
 func Permutation(n, k uint) uint {
 	if n < k {
 		return 0
@@ -437,7 +445,7 @@ func Permutation(n, k uint) uint {
 }

 // Combination calculate C(n, k).
-// Play: todo
+// Play: https://go.dev/play/p/ENFQRDQUFi9
 func Combination(n, k uint) uint {
 	if n < k {
 		return 0
--- a/mathutil/mathutil_test.go
+++ b/mathutil/mathutil_test.go
@@ -178,6 +178,7 @@ func TestMax(t *testing.T) {
 	assert.Equal(0, Max(0, 0))
 	assert.Equal(3, Max(1, 2, 3))
 	assert.Equal(1.4, Max(1.2, 1.4, 1.1, 1.4))
+	assert.Equal("abc", Max("a", "ab", "abc"))

 	type Integer int
 	assert.Equal(Integer(1), Max(Integer(1), Integer(0)))
@@ -212,6 +213,8 @@ func TestMin(t *testing.T) {
 	assert.Equal(0, Min(0, 0))
 	assert.Equal(1, Min(1, 2, 3))
 	assert.Equal(1.1, Min(1.2, 1.4, 1.1, 1.4))
+
+	assert.Equal("a", Min("a", "ab", "abc"))
 }

 func TestMinBy(t *testing.T) {
--- a/random/random.go
+++ b/random/random.go
@@ -126,12 +126,24 @@ func RandFloat(min, max float64, precision int) float64 {

 	n := rand.Float64()*(max-min) + min

-	return mathutil.RoundToFloat(n, precision)
+	return mathutil.FloorToFloat(n, precision)
 }

 // RandFloats generate a slice of random float64 numbers of length that do not repeat.
 // Play: https://go.dev/play/p/I3yndUQ-rhh
 func RandFloats(length int, min, max float64, precision int) []float64 {
+	if max < min {
+		min, max = max, min
+	}
+
+	maxLength := int((max - min) * math.Pow10(precision))
+	if maxLength == 0 {
+		maxLength = 1
+	}
+	if length > maxLength {
+		length = maxLength
+	}
+
 	nums := make([]float64, length)
 	used := make(map[float64]struct{}, length)
 	for i := 0; i < length; {
@@ -335,7 +347,7 @@ func UUIdV4() (string, error) {
 }

 // RandNumberOfLength 生成一个长度为len的随机数
-// Play: todo
+// Play: https://go.dev/play/p/oyZbuV7bu7b
 func RandNumberOfLength(len int) int {
 	m := int(math.Pow10(len) - 1)
 	i := int(math.Pow10(len - 1))
--- a/random/random_test.go
+++ b/random/random_test.go
@@ -197,6 +197,14 @@ func TestRandFloats(t *testing.T) {
 	}

 	assert.Equal(len(numbers), 5)
+
+	numbers2 := RandFloats(10, 3.14, 3.2, 2)
+	for _, n := range numbers2 {
+		assert.GreaterOrEqual(n, 3.14)
+		assert.Less(n, 3.2)
+	}
+
+	assert.Equal(len(numbers2), 6)
 }

 func TestRandIntSlice(t *testing.T) {
--- a/slice/slice.go
+++ b/slice/slice.go
@@ -220,6 +220,28 @@ func EqualWith[T, U any](slice1 []T, slice2 []U, comparator func(T, U) bool) boo
 	return true
 }

+// EqualUnordered checks if two slices are equal: the same length and all elements' value are equal (unordered).
+// Play: todo
+func EqualUnordered[T comparable](slice1, slice2 []T) bool {
+	if len(slice1) != len(slice2) {
+		return false
+	}
+
+	seen := make(map[T]int)
+	for _, v := range slice1 {
+		seen[v]++
+	}
+
+	for _, v := range slice2 {
+		if seen[v] == 0 {
+			return false
+		}
+		seen[v]--
+	}
+
+	return true
+}
+
 // Every return true if all of the values in the slice pass the predicate function.
 // Play: https://go.dev/play/p/R8U6Sl-j8cD
 func Every[T any](slice []T, predicate func(index int, item T) bool) bool {
@@ -980,7 +1002,19 @@ func Reverse[T any](slice []T) {
 	}
 }

-// Shuffle the slice.
+// ReverseCopy return a new slice of element order is reversed to the given slice.
+// Play: todo
+func ReverseCopy[T any](slice []T) []T {
+	result := make([]T, len(slice))
+
+	for i, j := 0, len(slice)-1; i < len(slice); i, j = i+1, j-1 {
+		result[i] = slice[j]
+	}
+
+	return result
+}
+
+// Shuffle return a new slice with elements shuffled.
 // Play: https://go.dev/play/p/YHvhnWGU3Ge
 func Shuffle[T any](slice []T) []T {
 	rand.Seed(time.Now().UnixNano())
@@ -992,6 +1026,20 @@ func Shuffle[T any](slice []T) []T {
 	return slice
 }

+// ShuffleCopy return a new slice with elements shuffled.
+// Play: todo
+func ShuffleCopy[T any](slice []T) []T {
+	result := make([]T, len(slice))
+	copy(result, slice)
+
+	rand.Seed(time.Now().UnixNano())
+	rand.Shuffle(len(result), func(i, j int) {
+		result[i], result[j] = result[j], result[i]
+	})
+
+	return result
+}
+
 // IsAscending checks if a slice is ascending order.
 // Play: https://go.dev/play/p/9CtsFjet4SH
 func IsAscending[T constraints.Ordered](slice []T) bool {
@@ -1415,7 +1463,7 @@ func Frequency[T comparable](slice []T) map[T]int {
 }

 // JoinFunc joins the slice elements into a single string with the given separator.
-// Play: todo
+// Play: https://go.dev/play/p/55ib3SB5fM2
 func JoinFunc[T any](slice []T, sep string, transform func(T) T) string {
 	var buf strings.Builder
 	for i, v := range slice {
@@ -1428,7 +1476,7 @@ func JoinFunc[T any](slice []T, sep string, transform func(T) T) string {
 }

 // ConcatBy concats the elements of a slice into a single value using the provided separator and connector function.
-// Play: todo
+// Play: https://go.dev/play/p/6QcUpcY4UMW
 func ConcatBy[T any](slice []T, sep T, connector func(T, T) T) T {
 	var result T

--- a/slice/slice_example_test.go
+++ b/slice/slice_example_test.go
@@ -937,6 +937,41 @@ func ExampleReverse() {
 	// [d c b a]
 }

+func ExampleReverseCopy() {
+	strs := []string{"a", "b", "c", "d"}
+
+	reversedStrs := ReverseCopy(strs)
+
+	fmt.Println(reversedStrs)
+	fmt.Println(strs)
+
+	// Output:
+	// [d c b a]
+	// [a b c d]
+}
+
+func ExampleShuffle() {
+	strs := []string{"a", "b", "c", "d"}
+	Shuffle(strs)
+
+	fmt.Println(len(strs))
+
+	// Output:
+	// 4
+}
+
+func ExampleShuffleCopy() {
+	strs := []string{"a", "b", "c", "d"}
+	shuffledStrs := ShuffleCopy(strs)
+
+	fmt.Println(len(shuffledStrs))
+	fmt.Println(strs)
+
+	// Output:
+	// 4
+	// [a b c d]
+}
+
 func ExampleIsAscending() {

 	result1 := IsAscending([]int{1, 2, 3, 4, 5})
@@ -1300,3 +1335,15 @@ func ExampleConcatBy() {
 	// Alice | Bob | Charlie
 	// 90
 }
+
+func ExampleEqualUnordered() {
+	result1 := EqualUnordered([]int{1, 2, 3}, []int{3, 2, 1})
+	result2 := EqualUnordered([]int{1, 2, 3}, []int{4, 5, 6})
+
+	fmt.Println(result1)
+	fmt.Println(result2)
+
+	// Output:
+	// true
+	// false
+}
--- a/slice/slice_test.go
+++ b/slice/slice_test.go
@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"math"
 	"reflect"
+	"sort"
 	"strconv"
 	"strings"
 	"sync"
@@ -1114,6 +1115,17 @@ func TestReverse(t *testing.T) {
 	assert.Equal([]string{"e", "d", "c", "b", "a"}, s2)
 }

+func TestReverseCopy(t *testing.T) {
+	t.Parallel()
+	assert := internal.NewAssert(t, "TestReverseCopy")
+
+	numbers := []int{1, 2, 3, 4, 5}
+	reversedNumbers := ReverseCopy(numbers)
+
+	assert.Equal([]int{5, 4, 3, 2, 1}, reversedNumbers)
+	assert.Equal([]int{1, 2, 3, 4, 5}, numbers)
+}
+
 func TestDifference(t *testing.T) {
 	t.Parallel()

@@ -1329,6 +1341,18 @@ func TestShuffle(t *testing.T) {
 	assert.Equal(5, len(result))
 }

+func TestShuffleCopy(t *testing.T) {
+	t.Parallel()
+
+	assert := internal.NewAssert(t, "TestShuffleCopy")
+
+	numbers := []int{1, 2, 3, 4, 5}
+	result := ShuffleCopy(numbers)
+
+	assert.Equal(5, len(result))
+	assert.Equal([]int{1, 2, 3, 4, 5}, numbers)
+}
+
 func TestIndexOf(t *testing.T) {
 	t.Parallel()

@@ -1794,6 +1818,8 @@ func TestFilterConcurrent(t *testing.T) {
 		nums := []int{1, 2, 3, 4, 5, 6}
 		expected := []int{4, 5, 6}
 		actual := FilterConcurrent(nums, func(_, n int) bool { return n > 3 }, 4)
+		sort.Ints(actual)
+		sort.Ints(expected)
 		assert.Equal(expected, actual)
 	})
 }
@@ -1926,3 +1952,25 @@ func TestConcatBy(t *testing.T) {
 		assert.Equal(90, result.Age)
 	})
 }
+
+func TestEqualUnordered(t *testing.T) {
+	t.Parallel()
+
+	assert := internal.NewAssert(t, "TestEqualUnordered")
+
+	tests := []struct {
+		slice1, slice2 []int
+		expected       bool
+	}{
+		{[]int{}, []int{}, true},
+		{[]int{1, 2, 3}, []int{1, 2, 3}, true},
+		{[]int{1, 2, 3}, []int{3, 2, 1}, true},
+		{[]int{1, 2, 3}, []int{1, 2, 3, 4}, false},
+		{[]int{1, 2, 3}, []int{1, 2}, false},
+		{[]int{1, 2, 3}, []int{1, 2, 4}, false},
+	}
+
+	for _, test := range tests {
+		assert.Equal(test.expected, EqualUnordered(test.slice1, test.slice2))
+	}
+}
--- a/stream/stream.go
+++ b/stream/stream.go
@@ -130,7 +130,6 @@ func (s Stream[T]) Distinct() Stream[T] {
 	distinct := map[string]bool{}

 	for _, v := range s.source {
-		// todo: performance issue
 		k := hashKey(v)
 		if _, ok := distinct[k]; !ok {
 			distinct[k] = true
@@ -395,6 +394,7 @@ func (s Stream[T]) Min(less func(a, b T) bool) (T, bool) {
 }

 // IndexOf returns the index of the first occurrence of the specified element in this stream, or -1 if this stream does not contain the element.
+// Play: https://go.dev/play/p/tBV5Nc-XDX2
 func (s Stream[T]) IndexOf(target T, equal func(a, b T) bool) int {
 	for i, v := range s.source {
 		if equal(v, target) {
@@ -405,6 +405,7 @@ func (s Stream[T]) IndexOf(target T, equal func(a, b T) bool) int {
 }

 // LastIndexOf returns the index of the last occurrence of the specified element in this stream, or -1 if this stream does not contain the element.
+// Play: https://go.dev/play/p/CjeoNw2eac_G
 func (s Stream[T]) LastIndexOf(target T, equal func(a, b T) bool) int {
 	for i := len(s.source) - 1; i >= 0; i-- {
 		if equal(s.source[i], target) {
--- a/strutil/string.go
+++ b/strutil/string.go
@@ -737,15 +737,15 @@ func RegexMatchAllGroups(pattern, str string) [][]string {
 }

 // ExtractContent extracts the content between the start and end strings in the source string.
-// Play: todo
-func ExtractContent(s, start, end string) []string {
+// Play: https://go.dev/play/p/Ay9UIk7Rum9
+func ExtractContent(str, start, end string) []string {
 	result := []string{}

 	for {
-		if _, after, ok := strings.Cut(s, start); ok {
+		if _, after, ok := strings.Cut(str, start); ok {
 			if before, _, ok := strings.Cut(after, end); ok {
 				result = append(result, before)
-				s = after
+				str = after
 			} else {
 				break
 			}
@@ -756,3 +756,20 @@ func ExtractContent(s, start, end string) []string {

 	return result
 }
+
+// FindAllOccurrences returns the positions of all occurrences of a substring in a string.
+// Play: todo
+func FindAllOccurrences(str, substr string) []int {
+	var positions []int
+
+	for i := 0; i < len(str); {
+		index := strings.Index(str[i:], substr)
+		if index == -1 {
+			break
+		}
+		positions = append(positions, i+index)
+		i += index + 1
+	}
+
+	return positions
+}
--- a/strutil/string_example_test.go
+++ b/strutil/string_example_test.go
@@ -763,5 +763,13 @@ func ExampleExtractContent() {

 	// Output:
 	// [content1 content2 content1]
-
+}
+
+func ExampleFindAllOccurrences() {
+	result := FindAllOccurrences("ababab", "ab")
+
+	fmt.Println(result)
+
+	// Output:
+	// [0 2 4]
 }
--- a/strutil/string_test.go
+++ b/strutil/string_test.go
@@ -937,3 +937,32 @@ func TestExtractContent(t *testing.T) {
 		})
 	}
 }
+
+func TestFindAllOccurrences(t *testing.T) {
+	t.Parallel()
+
+	assert := internal.NewAssert(t, "TestFindAllOccurrences")
+
+	var empty []int
+	tests := []struct {
+		input    string
+		substr   string
+		expected []int
+	}{
+		{"", "", empty},
+		{"", "a", empty},
+		{"a", "", []int{0}},
+		{"a", "a", []int{0}},
+		{"aa", "a", []int{0, 1}},
+		{"ababab", "ab", []int{0, 2, 4}},
+		{"ababab", "ba", []int{1, 3}},
+		{"ababab", "c", empty},
+		{"ababab", "ababab", []int{0}},
+		{"ababab", "abababc", empty},
+		{"ababab", "abababa", empty},
+	}
+
+	for _, tt := range tests {
+		assert.Equal(tt.expected, FindAllOccurrences(tt.input, tt.substr))
+	}
+}
--- a/validator/validator.go
+++ b/validator/validator.go
@@ -207,6 +207,18 @@ func IsIp(ipstr string) bool {
 	return ip != nil
 }

+// IsIpPort check if the string is ip:port.
+// Play:
+func IsIpPort(str string) bool {
+	host, port, err := net.SplitHostPort(str)
+	if err != nil {
+		return false
+	}
+
+	ip := net.ParseIP(host)
+	return ip != nil && IsPort(port)
+}
+
 // IsIpV4 check if the string is a ipv4 address.
 // Play: https://go.dev/play/p/zBGT99EjaIu
 func IsIpV4(ipstr string) bool {
--- a/validator/validator_example_test.go
+++ b/validator/validator_example_test.go
@@ -348,6 +348,24 @@ func ExampleIsIp() {
 	// false
 }

+func ExampleIsIpPort() {
+	result1 := IsIpPort("127.0.0.1:8080")
+	result2 := IsIpPort("[0:0:0:0:0:0:0:1]:8080")
+	result3 := IsIpPort(":8080")
+	result4 := IsIpPort("::0:0:0:0:")
+
+	fmt.Println(result1)
+	fmt.Println(result2)
+	fmt.Println(result3)
+	fmt.Println(result4)
+
+	// Output:
+	// true
+	// true
+	// false
+	// false
+}
+
 func ExampleIsIpV4() {
 	result1 := IsIpV4("127.0.0.1")
 	result2 := IsIpV4("::0:0:0:0:0:0:1")
--- a/validator/validator_test.go
+++ b/validator/validator_test.go
@@ -225,6 +225,23 @@ func TestIsIp(t *testing.T) {
 	assert.Equal(false, IsIp("127"))
 }

+func TestIsIpPort(t *testing.T) {
+	t.Parallel()
+
+	assert := internal.NewAssert(t, "TestIsIpPort")
+
+	assert.Equal(true, IsIpPort("[0:0:0:0:0:0:0:1]:8080")) // valid IPv6 and port
+	assert.Equal(true, IsIpPort("127.0.0.1:8080"))         // valid IP and port
+
+	assert.Equal(false, IsIpPort(""))                     // empty string
+	assert.Equal(false, IsIpPort(":8080"))                // only port
+	assert.Equal(false, IsIpPort("127.0.0.1"))            // valid IP without port
+	assert.Equal(false, IsIpPort("0:0:0:0:0:0:0:1"))      // valid IPv6 without port
+	assert.Equal(false, IsIpPort("256.256.256.256:8080")) // invalid IP with valid port
+	assert.Equal(false, IsIpPort("256.256.256.256:abc"))  // invalid IP and invalid port
+	assert.Equal(false, IsIpPort("127.0.0.1:70000"))      // valid IP with invalid port
+}
+
 func TestIsIpV4(t *testing.T) {
 	t.Parallel()

@@ -315,7 +332,7 @@ func TestIsChinesePhone(t *testing.T) {

 	assert.Equal(true, IsChinesePhone("010-32116675"))
 	assert.Equal(true, IsChinesePhone("0464-8756213"))
-	assert.Equal(true, IsChinesePhone("0731-82251545")) //长沙晚报电话
+	assert.Equal(true, IsChinesePhone("0731-82251545")) // 长沙晚报电话
 	assert.Equal(false, IsChinesePhone("123-87562"))

 }
Author	SHA1	Message	Date
dudaodong	8120c4db78	test: fix TestEventBus	2025-03-07 10:42:22 +08:00
dudaodong	0d0f213d36	test: fix TestEventBus	2025-03-07 10:37:41 +08:00
dudaodong	41d4bbf0e3	test: fix TestEventBus_GetEvents	2025-03-07 10:34:20 +08:00
dudaodong	fed1d5220e	release v2.3.4	2025-03-07 10:29:19 +08:00
dudaodong	29a8318d6e	doc: update for release v2.3.5	2025-03-06 20:11:21 +08:00
dudaodong	3696213e5d	doc: update for release v2.3.5	2025-03-06 20:02:33 +08:00
dudaodong	90a3b87b67	doc: add doc for eventbus package	2025-03-06 15:50:12 +08:00
dudaodong	a7b28ee864	update crypto fileg	2025-02-18 15:49:52 +08:00
dudaodong	f2823014f2	doc: add doc for AddDaySafe, AddMonthSafe, AddYearSafe	2025-02-18 15:47:43 +08:00
dudaodong	4181c42805	feat: add AddDaySafe, AddMonthSafe, AddYearSafe	2025-02-18 15:37:56 +08:00
dudaodong	a09f5623d6	feat: add AddWeek, AddMonth and update example of some add time functions	2025-02-18 14:10:04 +08:00
chentong	a9c75b081d	feat(validator): add IsIpPort (#294 ) * fix: json tag omitempty convert error * feat(validator): add IsIpPort - Add IsIpPort function to check if a string is in the format ip:port - Update validator_test.go to include tests for the new IsIpPort function - Add an example test for IsIpPort in validator_example_test.go	2025-02-17 10:03:15 +08:00
dudaodong	db479ef1bc	fix: fix issue #292	2025-02-14 17:35:48 +08:00
dudaodong	df8121fbbd	Merge branch 'rc' into v2	2025-02-14 17:13:11 +08:00
dudaodong	0e7297cb97	feat: add ShuffleCopy	2025-02-14 16:33:22 +08:00
dudaodong	2e619e48a3	feat: add ReverseCopy	2025-02-14 16:23:46 +08:00
残念	3069acba4a	Merge pull request #293 from YoghurtFree/fix_slice_test fix(slice_test) , should not assume the order of the slice	2025-02-09 23:10:28 +08:00
jialulu	fc43138a0e	fix: fix slice_test.go ,We should not assume the order of the slice when using multithreads，sort them before compare	2025-02-09 22:23:35 +08:00
残念	1e56e9964c	Merge pull request #291 from guanhonly/feature/compatible-with-pointer-in-ToString compatible with pointer in convert.ToString	2025-01-30 22:26:34 +08:00
guanhongli	f861e18bc3	compatible with pointer in convert.ToString	2025-01-26 12:04:55 +08:00
Tuuuuuuuuu	e27df00fa8	make Bridge not block in the first stream that not closed (#288 ) * not block in the first channel * make Bridge not block in the first stream that not closed * Bridge with test	2025-01-14 16:19:45 +08:00
dudaodong	23e61f1acf	update pem file	2025-01-14 15:58:58 +08:00
dudaodong	cb308f628c	feat: add eventbus	2025-01-14 15:57:43 +08:00
dudaodong	7653afa919	feat: add FindAllOccurrences	2025-01-10 14:03:45 +08:00
dudaodong	a0d97cf38e	Merge branch 'rc' into v2	2024-12-25 16:13:04 +08:00
残念	1f6bab467c	Merge pull request #282 from Yurunsoft/fix-RandFloats fix the bug of random.RandFloats() infinite loop and the result of random.RandFloat() sometimes equals to max.	2024-12-25 15:14:17 +08:00
Yurun	2e5b9bc200	fix: fix the bug of random.RandFloats() infinite loop and the result of random.RandFloat() sometimes equals to max.	2024-12-25 14:13:11 +08:00
dudaodong	ab89f0aee1	feat: add EqualUnordered	2024-12-19 19:36:17 +08:00
tangke	1f64e02df4	fix(fileutil): unzip Chinese garbled code during decompression (#279 ) 解压时出现中文乱码	2024-12-19 19:06:27 +08:00
dudaodong	d4b425e39c	doc: fix doc error	2024-12-09 09:52:40 +08:00
dudaodong	a1652c7523	doc: update v1 latest version	2024-12-04 19:13:23 +08:00
dudaodong	ecafed511c	doc: add play ground demo for v2.3.4	2024-12-04 14:25:51 +08:00