diff --git a/README.md b/README.md
index ac5a0051c29cb767e30bbff1311a5458926f14aa..be5c1706b12931ad359784e63eaa9c64293ef9f6 100644
--- a/README.md
+++ b/README.md
@@ -43,7 +43,7 @@ implementation('com.gitee.chinasoft_ohos:ACProgressLite:0.0.1-SNAPSHOT')
 }
 
  ```
-在sdk5，DevEco Studio2.1 beta3下项目可直接运行
+在sdk5，DevEco Studio2.1 beta4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，
 并依据自己的版本创建新项目，将新项目的对应文件复制到根目录下
 
diff --git a/entry/src/ohosTest/java/cc/cloudist/acpsample/ExampleOhosTest.java b/entry/src/ohosTest/java/cc/cloudist/acpsample/ExampleOhosTest.java
index 73fd1e4b5c34eb4927c25d8f0afffe1d4de8328e..7dfda8940a4462458ec2699f7c46bc5d4232def0 100644
--- a/entry/src/ohosTest/java/cc/cloudist/acpsample/ExampleOhosTest.java
+++ b/entry/src/ohosTest/java/cc/cloudist/acpsample/ExampleOhosTest.java
@@ -2,7 +2,7 @@
  * Copyright (C) 2021 Huawei Device Co., Ltd.
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
+ * You may obtain an copy of the License at
  *
  * http://www.apache.org/licenses/LICENSE-2.0
  *
@@ -21,7 +21,12 @@ import org.junit.BeforeClass;
 import org.junit.Test;
 
 import static org.junit.Assert.assertEquals;
-
+/**
+ * 测试
+ *
+ * @author wz
+ * @since 2021-04-08
+ */
 public class ExampleOhosTest {
     static ACProgressFlower.Builder builder;
     @Test