diff --git a/README.md b/README.md
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 # QQWry [![Go Reference](https://pkg.go.dev/badge/github.com/xiaoqidun/qqwry.svg)](https://pkg.go.dev/github.com/xiaoqidun/qqwry)
 
-Golang QQWry，内存操作，线程安全，支持缓存的纯真IP查询库
+Golang QQWry，高性能纯真IP查询库
 
 # 使用须知