diff --git a/README.md b/README.md
index 82c1613..ee0cff3 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@
     </p>
 <div align="center" style="text-align: center;">
 
-![Go version](https://img.shields.io/badge/go-%3E%3D1.16-9cf)
+![Go version](https://img.shields.io/badge/go-%3E%3D1.16<recommend>-9cf)
 [![Project version](https://img.shields.io/badge/version-1.0.2-green.svg)](https://github.com/duke-git/lancet/releases)
 [![GoDoc](https://godoc.org/github.com//duke-git/lancet?status.svg)](https://pkg.go.dev/github.com/duke-git/lancet)
 [![Go Report Card](https://goreportcard.com/badge/github.com/duke-git/lancet)](https://goreportcard.com/report/github.com/duke-git/lancet)
diff --git a/README_zh-CN.md b/README_zh-CN.md
index ac23323..d16945f 100644
--- a/README_zh-CN.md
+++ b/README_zh-CN.md
@@ -5,7 +5,7 @@
     </p>
 <div align="center" style="text-align: center;">
 
-![Go version](https://img.shields.io/badge/go-%3E%3D1.16-9cf)
+![Go version](https://img.shields.io/badge/go-%3E%3D1.16<recommend>-9cf)
 [![Project version](https://img.shields.io/badge/version-1.0.2-green.svg)](https://github.com/duke-git/lancet/releases)
 [![GoDoc](https://godoc.org/github.com//duke-git/lancet?status.svg)](https://pkg.go.dev/github.com/duke-git/lancet)
 [![Go Report Card](https://goreportcard.com/badge/github.com/duke-git/lancet)](https://goreportcard.com/report/github.com/duke-git/lancet)