diff --git a/README.md b/README.md
index afff9d7..1bc9b3e 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 <br/>
 
 ![Go version](https://img.shields.io/badge/go-%3E%3D1.16<recommend>-9cf)
-[![Release](https://img.shields.io/badge/release-2.0.3-green.svg)](https://github.com/duke-git/lancet/releases)
+[![Release](https://img.shields.io/badge/release-2.0.4-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)
@@ -35,9 +35,9 @@ English | [简体中文](./README_zh-CN.md)
 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. now latest v1 is v1.2.7. </b>
+2. <b>For users who use version below go1.18, you should install v1.x.x. now latest v1 is v1.2.9. </b>
 ```go
-go get github.com/duke-git/lancet@v1.2.7 // below go1.18, install latest version of v1.x.x
+go get github.com/duke-git/lancet@v1.2.9 // below go1.18, install latest version of v1.x.x
 ```
 
 ## Usage
diff --git a/README_zh-CN.md b/README_zh-CN.md
index 8c11c21..ff7450a 100644
--- a/README_zh-CN.md
+++ b/README_zh-CN.md
@@ -4,7 +4,7 @@
 <br/>
 
 ![Go version](https://img.shields.io/badge/go-%3E%3D1.16<recommend>-9cf)
-[![Release](https://img.shields.io/badge/release-2.0.3-green.svg)](https://github.com/duke-git/lancet/releases)
+[![Release](https://img.shields.io/badge/release-2.0.4-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)
@@ -35,9 +35,9 @@
 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v1.2.7。</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v1.2.9。</b>
 ```go
-go get github.com/duke-git/lancet@v1.2.7 // 使用go1.18以下版本, 必须安装v1.x.x版本
+go get github.com/duke-git/lancet@v1.2.9 // 使用go1.18以下版本, 必须安装v1.x.x版本
 ```
 
 ## 用法