diff --git a/Jenkinsfile b/Jenkinsfile
index 57d473c..bbdcc3b 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -142,20 +142,20 @@ pipeline {
                             
                             fvm flutter pub get
                             
-                            # 拼接附加构建参数
+                            # 拼接附加构建参数 (Groovy 中 \$ 转义 $，避免被当作 Jenkins 变量插值)
                             EXTRA_ARGS=""
                             if [ ! -z "${params.VERSION_NAME}" ]; then
-                                EXTRA_ARGS="\\$EXTRA_ARGS --build-name=${params.VERSION_NAME}"
+                                EXTRA_ARGS="\$EXTRA_ARGS --build-name=${params.VERSION_NAME}"
                             fi
                             if [ ! -z "${params.BUILD_NUMBER}" ]; then
-                                EXTRA_ARGS="\\$EXTRA_ARGS --build-number=${params.BUILD_NUMBER}"
+                                EXTRA_ARGS="\$EXTRA_ARGS --build-number=${params.BUILD_NUMBER}"
                             fi
                             
                             # 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=${params.BUILD_ENVIRONMENT}"
+                            EXTRA_ARGS="\$EXTRA_ARGS --dart-define=APP_ENV=${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"
+                            fvm flutter build apk --release \$EXTRA_ARGS
                         """
                         echo "  ✅ ${currentApp} Android APK 构建完成"
                     }