diff --git a/zh-cn/application-dev/dfx/hiappevent-guidelines.md b/zh-cn/application-dev/dfx/hiappevent-guidelines.md
index 7d8a8c371708bf3a3cb57e80eb7c017919dda0c9..47e2f09b8c55fc72781f18c63bb68d65d7b07f5e 100644
--- a/zh-cn/application-dev/dfx/hiappevent-guidelines.md
+++ b/zh-cn/application-dev/dfx/hiappevent-guidelines.md
@@ -77,4 +77,4 @@
 
 针对应用事件开发，有以下相关实例可供参考：
 
-- [`JsDotTest:`测试打点（JS）（API7）](https://gitee.com/openharmony/app_samples/tree/master/DFX/JsDotTest)
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+- [`JsDotTest`：测试打点（JS）（API7）](https://gitee.com/openharmony/app_samples/tree/master/DFX/JsDotTest)
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