diff --git a/development-tools/_sidebar.md b/development-tools/_sidebar.md
index 63567e7c3239a903c6623fbf38339f03fd4e6969..db87e110a239fd3dc3aae1911679a95b842bcc06 100644
--- a/development-tools/_sidebar.md
+++ b/development-tools/_sidebar.md
@@ -23,7 +23,7 @@
   - [精彩项目集合](/development-tools/rtthread-studio/applications/project-collection/project-collection.md)
   - [精彩文章集合](/development-tools/rtthread-studio/applications/forum-article/forum-article.md)
   - [常见问题](/development-tools/rtthread-studio/faq/studio-faq.md)
-- [更新日志](/development-tools/rtthread-studio/changelog/changelog.md)
+  - [更新日志](/development-tools/rtthread-studio/changelog/changelog.md)
   
 - Env 开发工具
   - [Env 用户手册](/development-tools/env/env.md)