diff --git a/_Sidebar.md b/_Sidebar.md
index 4ad4872..ad49bf8 100644
--- a/_Sidebar.md
+++ b/_Sidebar.md
@@ -2,4 +2,8 @@
 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)<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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+o [Control Command Detail](https://github.com/Livox-SDK/Livox-SDK/wiki/Livox-SDK-Communication-Protocol#4-control-command-detail)<br/>
+
+## [Livox-Viewer](https://github.com/Livox-SDK/Livox-SDK/wiki/Livox-Viewer)
+
+o [Color Coding Strategy](https://github.com/Livox-SDK/Livox-SDK/wiki/Livox-Viewer#1-color-coding-strategy)<br/>
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