diff --git a/rt-thread-version/rt-thread-standard/_sidebar.md b/rt-thread-version/rt-thread-standard/_sidebar.md
index 1a13998390a23f9c87c327d450948b5c35d28a65..b76c16afe00e1e615c76b54cebba5e94525987e5 100644
--- a/rt-thread-version/rt-thread-standard/_sidebar.md
+++ b/rt-thread-version/rt-thread-standard/_sidebar.md
@@ -87,7 +87,7 @@
     - [SystemView 分析工具](/rt-thread-version/rt-thread-standard/application-note/debug/systemview/an0009-systemview.md)
     - [Segger RTT](/rt-thread-version/rt-thread-standard/application-note/debug/seggerRTT/segger_rtt.md)
   - LVGL 用户手册
-      - [LVGL](/rt-thread-version/rt-thread-standard/packages-manual/lvgl-docs/introduction.md)
+    - [LVGL](/rt-thread-version/rt-thread-standard/packages-manual/lvgl-docs/introduction.md)
   - MicroPython 用户手册
     - [介绍](/rt-thread-version/rt-thread-standard/packages-manual/micropython-docs/introduction.md)
     - [潘多拉 MicroPython 开发板](/rt-thread-version/rt-thread-standard/packages-manual/micropython-docs/micropython_for_pandora_iot_board.md)