diff --git a/mkdocs.yml b/mkdocs.yml
index a9762a34a21..c43f8c7922e 100755
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -19,8 +19,18 @@ 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: light 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
     - header.autohide