fix: Fix Jenkinsfile syntax errors

- Fix indentation issues in pipeline stages
- Fix missing stage separation causing compilation error
- Ensure proper stage closure and formatting
- This resolves the 'Expected a stage @ line 131' error

Jenkinsfile

@@ -1,5 +1,6 @@
 pipeline {
     agent any
+    
     options {
         buildDiscarder(logRotator(numToKeepStr: '10'))
         timeout(time: 60, unit: 'MINUTES')  // 增加到60分钟
@@ -10,7 +11,8 @@ pipeline {
         // 使用系统默认或Jenkins节点上已安装的JDK
         // 不再强制指定JAVA_HOME，让Jenkins自动检测
         
-        // 目标服务器配置        DEPLOY_SERVER = '116.62.163.84'
+        // 目标服务器配置
+        DEPLOY_SERVER = '116.62.163.84'
         
         // Docker相关环境变量
         IMAGE_NAME = 'jenkins-demo'
@@ -121,8 +123,7 @@ pipeline {
                         """
                         
                         echo "✅ SonarQube代码扫描完成"
-                    } catch (Exception e) {
-                        echo "⚠️ SonarQube扫描失败，继续构建流程: ${e.getMessage()}"
+                    } catch (Exception e) {                        echo "⚠️ SonarQube扫描失败，继续构建流程: ${e.getMessage()}"
                     }
                 }
             }
@@ -143,7 +144,9 @@ pipeline {
                     }
                 }
             }
-        }        stage('构建Docker镜像') {
+        }
+        
+        stage('构建Docker镜像') {
             steps {
                 echo '🐳 构建Docker镜像...'
                 script {