diff --git a/README.md b/README.md
index 00a3880865213189b65c2820fcf5ef5d40817aca..7ce1a14fec85c26adbb7190e76b82b5867929908 100644
--- a/README.md
+++ b/README.md
@@ -31,7 +31,7 @@ allprojects {
     ......  
  }
  ```
-在sdk5，DevEco Studio2.1 beta4下项目可直接运行,
+在sdk5，DevEco Studio 2.1 Release下项目可直接运行,
 
 如无法运行，删除项目.gradle,.idea,build,gradle,build.gradle文件，