diff --git a/README.md b/README.md
index af02805..f9eace0 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# idkey[![PkgGoDev](https://pkg.go.dev/badge/github.com/xiaoqidun/idkey)](https://pkg.go.dev/github.com/xiaoqidun/idkey)
+# idkey [![PkgGoDev](https://pkg.go.dev/badge/github.com/xiaoqidun/idkey)](https://pkg.go.dev/github.com/xiaoqidun/idkey)
 Golang Argon2id 密码hash和验证
 # 安装方法
 go get -u github.com/xiaoqidun/idkey