diff --git a/_Sidebar.md b/_Sidebar.md
index 0874724..4ad4872 100644
--- a/_Sidebar.md
+++ b/_Sidebar.md
@@ -1,3 +1,5 @@
 ## [Communication Protocol](https://github.com/Livox-SDK/Livox-SDK/wiki/Livox-SDK-Communication-Protocol)
 o [Summary](https://github.com/Livox-SDK/Livox-SDK/wiki/Livox-SDK-Communication-Protocol#1-summary)<br/>
-o [Control Command](https://github.com/Livox-SDK/Livox-SDK/wiki/Livox-SDK-Communication-Protocol#2-control-command)
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+o [Control Command](https://github.com/Livox-SDK/Livox-SDK/wiki/Livox-SDK-Communication-Protocol#2-control-command)<br/>
+o [Point Cloud Data](https://github.com/Livox-SDK/Livox-SDK/wiki/Livox-SDK-Communication-Protocol#3-point-cloud-data)<br/>
+o [Control Command Detail](https://github.com/Livox-SDK/Livox-SDK/wiki/Livox-SDK-Communication-Protocol#4-control-command-detail)<br/>
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