diff --git a/.github/workflows/alpha.yml b/.github/workflows/alpha.yml
index e56fb2f9..c56c9abb 100644
--- a/.github/workflows/alpha.yml
+++ b/.github/workflows/alpha.yml
@@ -66,27 +66,29 @@ jobs:
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
+        with:
+          ref: ${{ github.ref_name }}
 
       - name: 构建Java环境
         uses: actions/setup-java@v3
         with:
-            distribution: "zulu"
-            java-version: "17"
-            token: ${{secrets.GIT_TOKEN}}
+          distribution: "zulu"
+          java-version: "17"
+          token: ${{secrets.GIT_TOKEN}}
 
       - name: 检查缓存
         uses: actions/cache@v2
         id: cache-flutter
         with:
-            path: /root/flutter-sdk
-            key: ${{ runner.os }}-flutter-${{ hashFiles('**/pubspec.lock') }}
+          path: /root/flutter-sdk
+          key: ${{ runner.os }}-flutter-${{ hashFiles('**/pubspec.lock') }}
 
       - name: 安装Flutter
         if: steps.cache-flutter.outputs.cache-hit != 'true'
         uses: subosito/flutter-action@v2
         with:
-            flutter-version: 3.16.5
-            channel: any
+          flutter-version: 3.16.5
+          channel: any
 
       - name: 下载项目依赖
         run: flutter pub get
@@ -94,7 +96,7 @@ jobs:
       - name: 解码生成 jks
         run: echo $KEYSTORE_BASE64 | base64 -di > android/app/vvex.jks
         env:
-            KEYSTORE_BASE64: ${{ secrets.KEYSTORE_BASE64 }}
+          KEYSTORE_BASE64: ${{ secrets.KEYSTORE_BASE64 }}
 
       - name: 更新版本号
         id: version
@@ -105,9 +107,9 @@ jobs:
       - name: flutter build apk
         run: flutter build apk --release --split-per-abi
         env:
-            KEYSTORE_PASSWORD: ${{ secrets.KEYSTORE_PASSWORD }}
-            KEY_ALIAS: ${{ secrets.KEY_ALIAS }}
-            KEY_PASSWORD: ${{ secrets.KEY_PASSWORD}}
+          KEYSTORE_PASSWORD: ${{ secrets.KEYSTORE_PASSWORD }}
+          KEY_ALIAS: ${{ secrets.KEY_ALIAS }}
+          KEY_PASSWORD: ${{ secrets.KEY_PASSWORD}}
 
       - name: 重命名应用
         run: |
@@ -132,7 +134,9 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ github.ref_name }}
 
       - name: 安装Flutter
         if: steps.cache-flutter.outputs.cache-hit != 'true'