diff --git a/.github/workflows/android.yml b/.github/workflows/android.yml
new file mode 100644
index 00000000..740c2ee9
--- /dev/null
+++ b/.github/workflows/android.yml
@@ -0,0 +1,26 @@
+name: Android CI
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: set up JDK 11
+      uses: actions/setup-java@v3
+      with:
+        java-version: '11'
+        distribution: 'temurin'
+        cache: gradle
+
+    - name: Grant execute permission for gradlew
+      run: chmod +x gradlew
+    - name: Build with Gradle
+      run: ./gradlew build
diff --git a/README.md b/README.md
index 454408c3..ce51e259 100644
--- a/README.md
+++ b/README.md
@@ -47,8 +47,8 @@ In order to benefit those guys who have the same issue with QPython, we suggest
 
 ### Chinese QPythonista Community
 
-- Wechat Group: Please scan the following qrcode with your wechat
-<img src="https://raw.githubusercontent.com/qpython-android/qpython/main/docs/qpyqrcode.png" width="256" /> 
+- Wechat Group: Please scan the following qrcode with your wechat and send adding request with comment "qpy from github"
+<img src="https://raw.githubusercontent.com/qpython-android/qpython/main/docs/wx-contact-river.png" width="256" /> 
 
 ### Report issues
 
diff --git a/docs/wx-contact-river.png b/docs/wx-contact-river.png
new file mode 100644
index 00000000..478f9759
Binary files /dev/null and b/docs/wx-contact-river.png differ