diff --git a/.gitea/workflows/android-release-signed.yml b/.gitea/workflows/android-release-signed.yml
index 5cc385b..021557f 100644
--- a/.gitea/workflows/android-release-signed.yml
+++ b/.gitea/workflows/android-release-signed.yml
@@ -13,9 +13,9 @@ jobs:
     - name: Checkout code
       uses: actions/checkout@v4
 
-    - name: Setup Java 17
+    - name: Setup Java 21
       run: |
-        export JAVA_HOME=/usr/lib/jvm/java-17-openjdk
+        export JAVA_HOME=/usr/lib/jvm/java-21-openjdk
         export PATH=$JAVA_HOME/bin:$PATH
         echo '=== Java 环境 ==='
         java -version
@@ -25,9 +25,24 @@ jobs:
         echo '=== 配置签名证书 ==='
         mkdir -p app
         echo '${{ secrets.KEYSTORE_BASE64 }}' | base64 -d > app/release.keystore
-        echo '✅ 证书已解压'
+        echo '证书已解压'
         ls -lh app/release.keystore
 
+    - name: Setup Gradle Properties
+      run: |
+        echo '=== 创建 gradle.properties ==='
+        echo 'android.aapt2FromMavenOverride=/usr/bin/aapt2' > gradle.properties
+        echo 'org.gradle.daemon=false' >> gradle.properties
+        echo 'org.gradle.jvmargs=-Xmx2g' >> gradle.properties
+        cat gradle.properties
+
+    - name: Copy Signed build.gradle
+      run: |
+        echo '=== 复制签名版 build.gradle ==='
+        cp .gitea/workflows/build.gradle.signed app/build.gradle
+        echo '已复制:'
+        cat app/build.gradle
+
     - name: Build Signed Release APK
       env:
         KEYSTORE_PASSWORD: ${{ secrets.KEYSTORE_PASSWORD }}
@@ -38,103 +53,41 @@ jobs:
         export ANDROID_HOME=/opt/android-sdk
         export ANDROID_SDK_ROOT=$ANDROID_HOME
         export PATH=$ANDROID_HOME/cmdline-tools/latest/bin:$ANDROID_HOME/platform-tools:$PATH
-        export CUSTOM_AAPT2_PATH=/usr/bin/aapt2
         
-        # 创建 gradle.properties
-        cat >> gradle.properties << EOF
-android.aapt2FromMavenOverride=$CUSTOM_AAPT2_PATH
-org.gradle.daemon=false
-org.gradle.jvmargs=-Xmx2g
-EOF
-        
-        # 创建签名配置
-        cat > app/signing-config.gradle << 'EOF'
-android {
-    signingConfigs {
-        release {
-            storeFile file('release.keystore')
-            storePassword System.getenv('KEYSTORE_PASSWORD')
-            keyAlias System.getenv('KEY_ALIAS')
-            keyPassword System.getenv('KEY_PASSWORD')
-            v1SigningEnabled true
-            v2SigningEnabled true
-        }
-    }
-    buildTypes {
-        release {
-            signingConfig signingConfigs.release
-            minifyEnabled false
-            shrinkResources false
-        }
-    }
-}
-EOF
-        
-        # 在 app/build.gradle 中应用签名配置（如果还没有）
-        if ! grep -q 'signing-config.gradle' app/build.gradle; then
-            sed -i '1i apply from: '"'"'signing-config.gradle'"'"'' app/build.gradle
-        fi
-        
-        echo '开始编译...'
         gradle assembleRelease --no-daemon --stacktrace
         
-        # 重命名 APK
         VERSION=${GITHUB_REF#refs/tags/}
         cp app/build/outputs/apk/release/app-release.apk app/build/outputs/apk/release/app-${VERSION}-signed.apk
-        echo 'APK_NAME=app-'"${VERSION}"'-signed.apk' >> $GITHUB_ENV
+        echo "APK_NAME=app-${VERSION}-signed.apk" >> $GITHUB_ENV
         
         echo ''
-        echo '✅ 编译完成！'
+        echo '编译完成！'
         ls -lh app/build/outputs/apk/release/
 
     - name: Create Gitea Release
-      id: create_release
       run: |
         echo '=== 创建 Gitea Release ==='
         VERSION=${GITHUB_REF#refs/tags/}
         
-        RESPONSE=$(curl -s -X POST \
-          'https://gitea.kg8.net/api/v1/repos/${{ github.repository }}/releases' \
-          -H 'Authorization: token ${{ secrets.ACTIONS_TOKEN }}' \
-          -H 'Content-Type: application/json' \
-          -d "{
-            \\\"tag_name\\\": \\\"$VERSION\\\",
-            \\\"name\\\": \\\"Release $VERSION\\\",
-            \\\"body\\\": \\\"## 自动发布的签名版本\\n\\n- ✅ 已签名，可安装到真机\\n- 🔐 使用开发者证书签名\\n- 🚀 自动编译\\\",
-            \\\"draft\\\": false,
-            \\\"prerelease\\\": false
-          }")
+        curl -s -X POST \
+          "https://gitea.kg8.net/api/v1/repos/${{ github.repository }}/releases" \
+          -H "Authorization: token ${{ secrets.ACTIONS_TOKEN }}" \
+          -H "Content-Type: application/json" \
+          -d "{\"tag_name\":\"$VERSION\",\"name\":\"Release $VERSION\",\"body\":\"## 自动发布的签名版本\\n\\n- 已签名\\n- 开发者证书签名\",\"draft\":false,\"prerelease\":false}"
         
-        UPLOAD_URL=$(echo "$RESPONSE" | grep -o '"upload_url":"[^"]*' | cut -d'"' -f4)
-        
-        if [ -n "$UPLOAD_URL" ]; then
-            echo "UPLOAD_URL=$UPLOAD_URL" >> $GITHUB_ENV
-            echo '✅ Release 创建成功'
-        else
-            echo '❌ 创建 Release 失败'
-            echo "响应：$RESPONSE"
-            exit 1
-        fi
+        echo ''
+        echo 'Release 创建完成'
 
     - name: Upload Signed APK
       run: |
         echo '=== 上传签名 APK ==='
-        echo 'APK: ${{ env.APK_NAME }}'
-        echo 'Upload URL: ${{ env.UPLOAD_URL }}'
+        echo "APK: ${{ env.APK_NAME }}"
         
-        curl -s -X POST '${{ env.UPLOAD_URL }}?name=${{ env.APK_NAME }}' \
-          -H 'Authorization: token ${{ secrets.ACTIONS_TOKEN }}' \
-          -H 'Content-Type: application/vnd.android.package-archive' \
-          --data-binary '@app/build/outputs/apk/release/${{ env.APK_NAME }}'
+        curl -s -X POST \
+          "https://gitea.kg8.net/api/v1/repos/${{ github.repository }}/releases/assets?name=${{ env.APK_NAME }}" \
+          -H "Authorization: token ${{ secrets.ACTIONS_TOKEN }}" \
+          -H "Content-Type: application/vnd.android.package-archive" \
+          --data-binary "@app/build/outputs/apk/release/${{ env.APK_NAME }}"
         
         echo ''
-        echo '✅ APK 上传成功！'
-
-    - name: Verify Signature
-      run: |
-        echo '=== 验证 APK 签名 ==='
-        $ANDROID_HOME/build-tools/34.0.0/apksigner verify --print-certs \
-          app/build/outputs/apk/release/${{ env.APK_NAME }}
-        
-        echo ''
-        echo '✅ 签名验证通过！此 APK 可以安装到真机。'
+        echo 'APK 上传成功！'