diff --git a/rt-thread-version/rt-thread-standard/tutorial/experimental-manual/event_sample/event_sample.md b/rt-thread-version/rt-thread-standard/tutorial/experimental-manual/event_sample/event_sample.md
index 74566b9645ff97c3adc574d73094164133171a43..52cee1d226ec770122ffa650a9512c069dfd4358 100644
--- a/rt-thread-version/rt-thread-standard/tutorial/experimental-manual/event_sample/event_sample.md
+++ b/rt-thread-version/rt-thread-standard/tutorial/experimental-manual/event_sample/event_sample.md
@@ -212,5 +212,5 @@ thread1 leave.
 附件
 ----
 
-整个示例运行流程可以使用工具 SystemView 工具打开附件文件 [event_sample.SVDat](https://www.rt-thread.org/document/site/tutorial/experimental-manual/event_sample/event_sample.SVDat) 查看具体细节。注意打开附件时，不要有中文路径。
+整个示例运行流程可以使用工具 SystemView 工具打开附件文件 [event_sample.SVDat](https://gitee.com/rtthread/docs-online/blob/master/rt-thread-version/rt-thread-standard/tutorial/experimental-manual/event_sample/event_sample.SVDat) 查看具体细节。注意打开附件时，不要有中文路径。