diff --git a/README.md b/README.md
index 1052792..03b34f3 100644
--- a/README.md
+++ b/README.md
@@ -541,6 +541,8 @@ import "github.com/duke-git/lancet/v2/fileutil"
 -   **<big>UnZip</big>** : unzip the zip file and save it to dest path.
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/fileutil.md#UnZip)]
     [[play](https://go.dev/play/p/g0w34kS7B8m)]
+-   **<big>CurrentPath</big>** : return current absolute path.
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/fileutil.md#CurrentPath)]
 
 ### 9. Formatter contains some functions for data formatting.
 
@@ -553,6 +555,18 @@ import "github.com/duke-git/lancet/v2/formatter"
 -   **<big>Comma</big>** : add comma to a number value by every 3 numbers from right, ahead by symbol char.
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/formatter.md#Comma)]
     [[play](https://go.dev/play/p/eRD5k2vzUVX)]
+-   **<big>Pretty</big>** : pretty print data to JSON string.
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/formatter.md#Pretty)]
+-   **<big>PrettyToWriter</big>** : pretty encode data to writer.
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/formatter.md#PrettyToWriter)]
+-   **<big>DecimalBytes</big>** : returns a human readable byte size under decimal standard (base 1000).
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/formatter.md#DecimalBytes)]
+-   **<big>BinaryBytes</big>** : returns a human-readable byte size under binary standard (base 1024).
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/formatter.md#BinaryBytes)]
+-   **<big>ParseDecimalBytes</big>** : return the human readable bytes size string into the amount it represents(base 1000).
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/formatter.md#ParseDecimalBytes)]
+-   **<big>ParseBinaryBytes</big>** : return the human readable bytes size string into the amount it represents(base 1024).
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/formatter.md#ParseBinaryBytes)]
 
 ### 10. Function package can control the flow of function execution and support part of functional programming
 
@@ -972,8 +986,12 @@ import "github.com/duke-git/lancet/v2/slice"
 -   **<big>Reverse</big>** : return slice of element order is reversed to the given slice.
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/slice.md#Reverse)]
     [[play](https://go.dev/play/p/8uI8f1lwNrQ)]
--   **<big>Reduce</big>** : creates an slice of values by running each element of slice thru iteratee function.
+-   **<big>Reduce<sup>deprecated</sup></big>** : creates an slice of values by running each element of slice thru iteratee function.(Deprecated: use ReduceBy)
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/slice.md#Reduce)]
+-   **<big>ReduceBy</big>** : produces a value from slice by accumulating the result of each element as passed through the reducer function.
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/slice.md#ReduceBy)]
+-   **<big>ReduceRight</big>** : ReduceRight is like ReduceBy, but it iterates over elements of slice from right to left.
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/slice.md#ReduceRight)]
     [[play](https://go.dev/play/p/_RfXJJWIsIm)]
 -   **<big>Replace</big>** : returns a copy of the slice with the first n non-overlapping instances of old replaced by new.
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/slice.md#Replace)]
@@ -1158,7 +1176,6 @@ import "github.com/duke-git/lancet/v2/strutil"
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/strutil.md#RemoveNonPrintable)]
     [[play](https://go.dev/play/p/og47F5x_jTZ)]
 
-
 ### 19. System package contain some functions about os, runtime, shell command.
 
 ```go
@@ -1248,9 +1265,13 @@ import "github.com/duke-git/lancet/v2/validator"
 -   **<big>IsEmptyString</big>** : check if the string is empty.
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/validator.md#IsEmptyString)]
     [[play](https://go.dev/play/p/dpzgUjFnBCX)]
+-   **<big>IsFloat</big>** : check if the value is float(float32, float34) or not.
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/validator.md#IsFloat)]
 -   **<big>IsFloatStr</big>** : check if the string can convert to a float.
-    [[doc](https://github.com/duke-git/lancet/blob/main/docs/validator.md#LOYwS_Oyl7U)]
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/validator.md#IsFloatStr)]
     [[play](https://go.dev/play/p/LOYwS_Oyl7U)]
+-   **<big>IsNumber</big>** : check if the value is number(integer, float) or not.
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/validator.md#IsNumber)]
 -   **<big>IsNumberStr</big>** : check if the string can convert to a number.
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/validator.md#IsNumberStr)]
     [[play](https://go.dev/play/p/LzaKocSV79u)]
@@ -1260,6 +1281,8 @@ import "github.com/duke-git/lancet/v2/validator"
 -   **<big>IsRegexMatch</big>** : check if the string match the regexp.
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/validator.md#IsRegexMatch)]
     [[play](https://go.dev/play/p/z_XeZo_litG)]
+-   **<big>IsInt</big>** : check if the string can convert to a number.
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/validator.md#IsInt)]
 -   **<big>IsIntStr</big>** : check if the string can convert to a integer.
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/validator.md#IsIntStr)]
     [[play](https://go.dev/play/p/jQRtFv-a0Rk)]
@@ -1342,13 +1365,8 @@ import "github.com/duke-git/lancet/v2/xerror"
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/xerror.md#TryUnwrap)]
     [[play](https://go.dev/play/p/acyZVkNZEeW)]
 
-
-
 ## How to Contribute
 
-
-
-
 I really appreciate any code commits which make lancet lib powerful. Please follow the rules below to create your pull request.
 
 1. Fork the repository.
diff --git a/README_zh-CN.md b/README_zh-CN.md
index 769d9a4..eaf5f1a 100644
--- a/README_zh-CN.md
+++ b/README_zh-CN.md
@@ -540,6 +540,8 @@ import "github.com/duke-git/lancet/v2/fileutil"
 -   **<big>UnZip</big>** : zip 解压缩文件并保存在目录中。
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/fileutil_zh-CN.md#UnZip)]
     [[play](https://go.dev/play/p/g0w34kS7B8m)]
+-   **<big>CurrentPath</big>** : 返回当前位置的绝对路径。
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/fileutil_zh-CN.md#CurrentPath)]
 
 ### 9. formatter 格式化器包含一些数据格式化处理方法。
 
@@ -552,6 +554,18 @@ import "github.com/duke-git/lancet/v2/formatter"
 -   **<big>Comma</big>** : 用逗号每隔 3 位分割数字/字符串，支持前缀添加符号。
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/formatter_zh-CN.md#Comma)]
     [[play](https://go.dev/play/p/eRD5k2vzUVX)]
+-   **<big>Pretty</big>** : 返回pretty JSON字符串。
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/formatter_zh-CN.md#Pretty)]
+-   **<big>PrettyToWriter</big>** : Pretty encode数据到writer。
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/formatter_zh-CN.md#PrettyToWriter)]
+-   **<big>DecimalBytes</big>** : 返回十进制标准（以1000为基数）下的可读字节单位字符串。precision参数指定小数点后的位数，默认为4。
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/formatter_zh-CN.md#DecimalBytes)]
+-   **<big>BinaryBytes</big>** : 返回binary标准（以1024为基数）下的可读字节单位字符串。precision参数指定小数点后的位数，默认为4。
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/formatter_zh-CN.md#BinaryBytes)]
+-   **<big>ParseDecimalBytes</big>** : 将字节单位字符串转换成其所表示的字节数（以1000为基数）。
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/formatter_zh-CN.md#ParseDecimalBytes)]
+-   **<big>ParseBinaryBytes</big>** : 将字节单位字符串转换成其所表示的字节数（以1024为基数）。
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/formatter_zh-CN.md#ParseBinaryBytes)]
 
 ### 10. function 函数包控制函数执行流程，包含部分函数式编程。
 
@@ -971,9 +985,13 @@ 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/slice_zh-CN.md#Reverse)]
     [[play](https://go.dev/play/p/8uI8f1lwNrQ)]
--   **<big>Reduce</big>** : 将切片中的元素依次运行 iteratee 函数，返回运行结果。
+-   **<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/slice_zh-CN.md#Reduce)]
     [[play](https://go.dev/play/p/_RfXJJWIsIm)]
+-   **<big>ReduceBy</big>** : 对切片元素执行reduce操作。
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/slice_zh-CN.md#ReduceBy)]
+-   **<big>ReduceRight</big>** : 类似ReduceBy操作，迭代切片元素顺序从右至左。
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/slice_zh-CN.md#ReduceRight)]
 -   **<big>Replace</big>** : 返回切片的副本，其中前 n 个不重叠的 old 替换为 new。
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/slice_zh-CN.md#Replace)]
     [[play](https://go.dev/play/p/P5mZp7IhOFo)]
@@ -1249,9 +1267,13 @@ import "github.com/duke-git/lancet/v2/validator"
 -   **<big>IsEmptyString</big>** : 验证字符串是否是空字符串。
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/validator_zh-CN.md#IsEmptyString)]
     [[play](https://go.dev/play/p/dpzgUjFnBCX)]
+-   **<big>IsFloat</big>** : 验证参数是否是浮点数((float32，float34)。
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/validator_zh-CN.md#IsFloat)]
 -   **<big>IsFloatStr</big>** : 验证字符串是否是可以转换为浮点数。
-    [[doc](https://github.com/duke-git/lancet/blob/main/docs/validator_zh-CN.md#LOYwS_Oyl7U)]
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/validator_zh-CN.md#IsFloatStr)]
     [[play](https://go.dev/play/p/LOYwS_Oyl7U)]
+-   **<big>IsNumber</big>** : 验证参数是否是数字(integer，float)。
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/validator_zh-CN.md#IsNumber)]
 -   **<big>IsNumberStr</big>** : 验证字符串是否是可以转换为数字。
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/validator_zh-CN.md#IsNumberStr)]
     [[play](https://go.dev/play/p/LzaKocSV79u)]
@@ -1261,13 +1283,15 @@ import "github.com/duke-git/lancet/v2/validator"
 -   **<big>IsRegexMatch</big>** : 验证字符串是否可以匹配正则表达式。
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/validator_zh-CN.md#IsRegexMatch)]
     [[play](https://go.dev/play/p/z_XeZo_litG)]
+-   **<big>IsInt</big>** : 验证参数是否是整数(int, unit)。
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/validator_zh-CN.md#IsInt)]
 -   **<big>IsIntStr</big>** : 验证字符串是否是可以转换为整数。
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/validator_zh-CN.md#IsIntStr)]
     [[play](https://go.dev/play/p/jQRtFv-a0Rk)]
--   **<big>IsIp</big>** : 验证字符串是否是 ip 地址。
+-   **<big>IsIp</big>** : 验证字符串是否是ip地址。
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/validator_zh-CN.md#IsIp)]
     [[play](https://go.dev/play/p/FgcplDvmxoD)]
--   **<big>IsIpV4</big>** : 验证字符串是否是 ipv4 地址。
+-   **<big>IsIpV4</big>** : 验证字符串是否是ipv4地址。
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/validator_zh-CN.md#IsIpV4)]
     [[play](https://go.dev/play/p/zBGT99EjaIu)]
 -   **<big>IsIpV6</big>** : 验证字符串是否是 ipv6 地址。
diff --git a/docs/slice.md b/docs/slice.md
index b3e0f3c..7414bbb 100644
--- a/docs/slice.md
+++ b/docs/slice.md
@@ -62,7 +62,7 @@ import (
 -   [FlatMap](#FlatMap)
 -   [Merge](#Merge)
 -   [Reverse](#Reverse)
--   [Reduce](#Reduce)
+-   [Reduce<sup>deprecated</sup>](#Reduce)
 -   [ReduceBy](#ReduceBy)
 -   [ReduceRight](#ReduceRight)
 -   [Replace](#Replace)
@@ -1474,7 +1474,7 @@ func main() {
 
 ### <span id="Reduce">Reduce</span>
 
-<p>Reduce slice.</p>
+<p>Reduce slice.(Deprecated: use ReduceBy)</p>
 
 <b>Signature:</b>
 
diff --git a/docs/slice_zh-CN.md b/docs/slice_zh-CN.md
index 0d98644..63b1a3b 100644
--- a/docs/slice_zh-CN.md
+++ b/docs/slice_zh-CN.md
@@ -62,7 +62,7 @@ import (
 -   [FlatMap](#FlatMap)
 -   [Merge](#Merge)
 -   [Reverse](#Reverse)
--   [Reduce](#Reduce)
+-   [Reduce<sup>deprecated</sup>](#Reduce)
 -   [ReduceBy](#ReduceBy)
 -   [ReduceRight](#ReduceRight)
 -   [Replace](#Replace)
@@ -1475,7 +1475,7 @@ func main() {
 
 ### <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>
+<p>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)</p>
 
 <b>函数签名:</b>
 
@@ -1509,7 +1509,7 @@ func main() {
 
 ### <span id="ReduceBy">ReduceBy</span>
 
-<p>对切片中执行reduce操作。</p>
+<p>对切片元素执行reduce操作。</p>
 
 <b>函数签名:</b>
 
diff --git a/docs/validator.md b/docs/validator.md
index 112d2e2..98aeb5b 100644
--- a/docs/validator.md
+++ b/docs/validator.md
@@ -629,7 +629,7 @@ func main() {
 }
 ```
 
-### <span id="IsFloat">IsInt</span>
+### <span id="IsFloat">IsFloat</span>
 
 <p>Check if the value is float(float32, float34) or not.</p>
 
diff --git a/docs/validator_zh-CN.md b/docs/validator_zh-CN.md
index d59cf47..7280311 100644
--- a/docs/validator_zh-CN.md
+++ b/docs/validator_zh-CN.md
@@ -629,7 +629,7 @@ func main() {
 }
 ```
 
-### <span id="IsFloat">IsInt</span>
+### <span id="IsFloat">IsFloat</span>
 
 <p>验证参数是否是浮点数((float32, float34)。</p>