diff --git a/Jenkinsfile b/Jenkinsfile
index 57d473c..f2b979a 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -135,27 +135,47 @@ pipeline {
                             [ -f "\\$HOME/.zshrc" ] && source "\\$HOME/.zshrc" > /dev/null 2>&1
                             cd apps/${currentApp}
                             
-                            if [ "${params.CLEAN_BUILD}" = "true" ]; then
+                            # 先写入 shell 变量，避免 GString 里出现 "\${params.xxx}" 触发 Groovy 解析错误
+                            CLEAN_BUILD='${params.CLEAN_BUILD}'
+                            VERSION_NAME='${params.VERSION_NAME}'
+                            BUILD_NUMBER='${params.BUILD_NUMBER}'
+                            BUILD_ENV='${params.BUILD_ENVIRONMENT}'
+                            
+                            if [ "\$CLEAN_BUILD" = "true" ]; then
                                 echo "  - 执行 flutter clean..."
                                 fvm flutter clean
                             fi
                             
                             fvm flutter pub get
                             
-                            # 拼接附加构建参数
                             EXTRA_ARGS=""
-                            if [ ! -z "${params.VERSION_NAME}" ]; then
-                                EXTRA_ARGS="\\$EXTRA_ARGS --build-name=${params.VERSION_NAME}"
+                            if [ -n "\$VERSION_NAME" ]; then
+                                EXTRA_ARGS="\$EXTRA_ARGS --build-name=\$VERSION_NAME"
                             fi
-                            if [ ! -z "${params.BUILD_NUMBER}" ]; then
-                                EXTRA_ARGS="\\$EXTRA_ARGS --build-number=${params.BUILD_NUMBER}"
+                            if [ -n "\$BUILD_NUMBER" ]; then
+                                EXTRA_ARGS="\$EXTRA_ARGS --build-number=\$BUILD_NUMBER"
                             fi
+                            EXTRA_ARGS="\$EXTRA_ARGS --dart-define=APP_ENV=\$BUILD_ENV"
                             
-                            # 注入环境变量参数用于代码判断 (如需要)
-                            EXTRA_ARGS="\\$EXTRA_ARGS --dart-define=APP_ENV=${params.BUILD_ENVIRONMENT}"
-                            
-                            echo "  - 开始构建 APK 参数: \\$EXTRA_ARGS"
-                            fvm flutter build apk --release \\$EXTRA_ARGS
+                            echo "  - 开始构建 APK 参数: \$EXTRA_ARGS"
+                            echo "  - 开始执行 flutter build apk（构建期间每30秒输出一次心跳）..."
+
+                            run_build_with_heartbeat() {
+                                (fvm flutter build apk --release \$EXTRA_ARGS) &
+                                BUILD_PID=\$!
+                                while kill -0 \$BUILD_PID 2>/dev/null; do
+                                    echo "  - 构建仍在进行中... \$(date '+%H:%M:%S')"
+                                    sleep 30
+                                done
+                                wait \$BUILD_PID
+                                return \$?
+                            }
+
+                            if ! run_build_with_heartbeat; then
+                                echo "  ⚠️ 首次构建失败，尝试清理 Gradle wrapper 缓存后重试一次..."
+                                rm -rf "\$HOME/.gradle/wrapper/dists"
+                                run_build_with_heartbeat
+                            fi
                         """
                         echo "  ✅ ${currentApp} Android APK 构建完成"
                     }