diff --git a/mkdocs.yml b/mkdocs.yml
index fd21f766696..a55f6fa14cd 100755
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -20,8 +20,18 @@ theme:
     logo: 'https://cloud-cdn.nebula-graph.com.cn/vesoft-nebula-logo-white.png'
     favicon: 'assets/images/favicon.ico'
     palette:
-      primary: 'teal'
-      accent: 'light green'
+      - scheme: default
+        primary: teal
+        accent: green
+        toggle:
+          icon: material/toggle-switch-off-outline
+          name: Switch to dark mode
+      - scheme: slate
+        primary: deep orange
+        accent: red
+        toggle:
+          icon: material/toggle-switch
+          name: Switch to light mode
     features:
       - navigation.top
     language: 'en'