diff --git a/zh-cn/application-dev/ability/stage-serviceextension.md b/zh-cn/application-dev/ability/stage-serviceextension.md
index cd9a3cca6addd1f23b60534c77350979ebfff4ec..dbfa3229379832f7c11bdeb9e48475e40a8203b0 100644
--- a/zh-cn/application-dev/ability/stage-serviceextension.md
+++ b/zh-cn/application-dev/ability/stage-serviceextension.md
@@ -80,7 +80,7 @@ ExtensionAbility，是Stage模型中新增的扩展组件的基类，一般用
 
 针对ServiceExtensionAbility开发，有以下示例工程可供参考：
 
-- [ServiceExtensionAbility]()
+- [ServiceExtensionAbility](https://gitee.com/openharmony/app_samples/tree/master/ability/eTSServiceExtAbility)
 
 本示例ServiceExtensionAbility中：