diff --git a/zh-cn/application-dev/application-models/hop-multi-device-collaboration.md b/zh-cn/application-dev/application-models/hop-multi-device-collaboration.md
index 492a5618d32ed49da217918828f397b264ae67e6..39df19b9a5714a0e6ac62a52cee5a1ed13d72004 100644
--- a/zh-cn/application-dev/application-models/hop-multi-device-collaboration.md
+++ b/zh-cn/application-dev/application-models/hop-multi-device-collaboration.md
@@ -490,11 +490,8 @@
 
 ## 退出由跨设备拉起的serviceextensionability组件
 
-退出由跨设备拉起的ServiceExtensionAbility组件。
-
 下面介绍退出由跨设备拉起的ServiceExtensionAbility组件的方法。
 
-
 ### 接口说明
 
   **表5** API接口功能介绍