diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index a5bdb92a2cb..e068738e44e 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -2,7 +2,7 @@ name: Publish docs via GitHub Pages
 on:
   push:
     branches:
-      - master
+      - v3.1.0
 
 jobs:
   deploy:
@@ -35,9 +35,12 @@ jobs:
         run: |
           mike list
           
-      - name: Mike Deploy master
+      - name: Mike Deploy 3.1.0
         run: |
-          mike deploy master -p --rebase
+          # mike delete v3.1.0 -p
+          mkdocs build -v # this is a test
+          mike deploy 3.1.0 -p --rebase
+          # (unhide after publish) mike set-default 3.1.0 -p --rebase
           mike list
 
       # - name: Deploy
diff --git a/docs-2.0/stylesheets/extra.css b/docs-2.0/stylesheets/extra.css
index e51271f1481..972d5f905b7 100644
--- a/docs-2.0/stylesheets/extra.css
+++ b/docs-2.0/stylesheets/extra.css
@@ -10,8 +10,8 @@
 
 /* nebula light */
 [data-md-color-scheme="nebula"]{
-  --md-primary-fg-color: #002FA7; /* Tar bar color */
-  --md-accent-fg-color: #00FFFF; /* Selected color */
+  --md-primary-fg-color: #A3D49C; /* Tar bar color */
+  --md-accent-fg-color: #EA618E; /* Selected color */
 
   --md-code-fg-color:  rgb(12, 21, 26);
   --md-code-bg-color:  #eaebec;
diff --git a/mkdocs.yml b/mkdocs.yml
index 87329cbe18c..6d64ea1da1f 100755
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -17,21 +17,17 @@ copyright: Copyright © 2022 Nebula Graph
 theme:
     name: 'material'
     custom_dir: overrides
-    logo: 'https://cloud-cdn.nebula-graph.com.cn/vesoft-nebula-logo-white.png'
     favicon: 'assets/images/favicon.ico'
     palette:
-      - scheme: default
-        primary: teal
-        accent: green
+      - scheme: nebula
         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
+    logo: 'https://cloud-cdn.nebula-graph.com.cn/vesoft-nebula-logo-white.png'
     features:
       - navigation.top
     language: 'en'
@@ -49,7 +45,7 @@ extra:
   nebula:
     release: master
     nightly: nightly
-    master: master
+    master: 3.1.0
     base20: 2.0
     base200: 2.0.0
     branch: release-3.1
@@ -92,8 +88,6 @@ extra:
   dockercompose:
     release: 3.1.0
     branch: release-3.1
-  common:
-    release: 2.5.0
   dashboard:
     release: 3.0.0
     base100: 1.0.0