diff --git a/rt-thread-version/rt-thread-standard/_sidebar.md b/rt-thread-version/rt-thread-standard/_sidebar.md
index b76c16afe00e1e615c76b54cebba5e94525987e5..5c1bc5cae18e809c7c38d24ba750d895774b9c82 100644
--- a/rt-thread-version/rt-thread-standard/_sidebar.md
+++ b/rt-thread-version/rt-thread-standard/_sidebar.md
@@ -55,6 +55,9 @@
   - [ringbuffer](/rt-thread-version/rt-thread-standard/programming-manual/device-ipc/ringbuffer/ringbuffer.md)
   - [workqueue](/rt-thread-version/rt-thread-standard/programming-manual/device-ipc/workqueue/workqueue.md)
 - 组件
+  - C库 (Libc)
+    - [Libc](/rt-thread-version/rt-thread-standard/programming-manual/libc/libc.md)
+    - [动态模块](/rt-thread-version/rt-thread-standard/programming-manual/libc/dlmodule.md)
   - 网络组件
     - [net 组件总概](/rt-thread-version/rt-thread-standard/programming-manual/net/net_introduce.md)
     - [AT 命令](/rt-thread-version/rt-thread-standard/programming-manual/at/at.md)
@@ -73,7 +76,6 @@
   - [虚拟文件系统](/rt-thread-version/rt-thread-standard/programming-manual/filesystem/filesystem.md)
   - [ulog 日志](/rt-thread-version/rt-thread-standard/programming-manual/ulog/ulog.md)
   - [utest 测试框架](/rt-thread-version/rt-thread-standard/programming-manual/utest/utest.md)
-  - [动态模块](/rt-thread-version/rt-thread-standard/programming-manual/dlmodule/dlmodule.md)
   - [POSIX 接口](/rt-thread-version/rt-thread-standard/programming-manual/posix/posix.md)
   - [电源管理](/rt-thread-version/rt-thread-standard/programming-manual/pm/pm.md)
   - [RT-Link 组件](/rt-thread-version/rt-thread-standard/programming-manual/rtlink/rtlink.md)