diff --git a/README.md b/README.md
index 81c77df..7d14bda 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,6 @@ export default class AppAbility extends UIAbility {
                 hilog.error(0x0000, 'testTag', 'Failed to load the content. Cause: %{public}s', JSON.stringify(err) ?? '');
                 return;
             }
-            WindowHelper.windowClass = windowStage.getMainWindowSync()
         });
         // 这行代码
         GlobalContext.setContext(this.context)
@@ -121,7 +120,7 @@ ValidatorHelper.isPhone('13800000000')
 
 > 计算相关
 
-#### 1.5.1.验证手机号
+#### 1.5.1.计算两点间距离
 
 ```typescript
 import { AlgorithmHelper } from '@szyx/sdk_base';