diff --git a/Jenkinsfile b/Jenkinsfile
index 2d8ee1f..c967523 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -1,6 +1,5 @@
 // ============================================
-// AIOT Platform - Jenkins Pipeline (Enterprise Edition)
-// 优化版本：错误处理 + 性能优化 + 完善日志
+// AIOT Platform - Jenkins Pipeline (Optimized Edition)
 // ============================================
 
 pipeline {
@@ -14,14 +13,12 @@ pipeline {
         disableConcurrentBuilds()
         timeout(time: 90, unit: 'MINUTES')
         timestamps()
-        retry(1)  // 失败自动重试1次
+        retry(1)
     }
 
     environment {
         // 镜像仓库配置
         REGISTRY = 'localhost:5000'
-        // 注意：IMAGE_TAG 将在 Checkout 阶段动态设置
-        // IMAGE_TAG = "${BRANCH_NAME}-${BUILD_NUMBER}-${GIT_COMMIT}"
         DEPS_IMAGE = "${REGISTRY}/aiot-deps:latest"
 
         // 服务配置
@@ -32,42 +29,59 @@ pipeline {
         DEPLOY_PATH = '/opt/aiot-platform-cloud'
         SSH_KEY = '/var/jenkins_home/.ssh/id_rsa'
 
-        // 性能配置
-        MAX_PARALLEL_BUILDS = 2
-        BUILD_TIMEOUT = 45  // 单个服务构建超时（分钟）
-        DEPLOY_TIMEOUT = 10  // 单个服务部署超时（分钟）
-        HEALTH_CHECK_TIMEOUT = 180  // 健康检查总超时（秒）
-        HEALTH_CHECK_INTERVAL = 10   // 健康检查间隔（秒）
+        // 性能配置 - 将动态调整
+        BUILD_TIMEOUT = 45
+        DEPLOY_TIMEOUT = 10
+        HEALTH_CHECK_TIMEOUT = 180
+        HEALTH_CHECK_INTERVAL = 10
+
+        // 【优化1】Maven 缓存配置
+        MAVEN_CACHE_VOLUME = 'jenkins-maven-cache'
+        MAVEN_OPTS = '-Dmaven.repo.local=/var/jenkins_home/.m2/repository'
+
+        // 【优化7】回滚配置
+        ROLLBACK_ENABLED = 'true'
+        KEEP_PREVIOUS_IMAGES = 'true'
     }
 
     stages {
         stage('Initialize') {
             steps {
                 script {
+                    // 【优化6】记录开始时间
+                    env.PIPELINE_START_TIME = System.currentTimeMillis()
+                    
                     echo "=========================================="
-                    echo "  AIOT Platform - CI/CD Pipeline"
+                    echo "  AIOT Platform - CI/CD Pipeline (Optimized)"
                     echo "=========================================="
                     echo "Branch: ${env.BRANCH_NAME}"
                     echo "Build: #${env.BUILD_NUMBER}"
                     echo "Workspace: ${env.WORKSPACE}"
+                    echo "Start Time: ${new Date()}"
                     echo "=========================================="
+                    
+                    // 【优化2】动态检测系统资源
+                    detectSystemResources()
                 }
             }
         }
 
         stage('Checkout') {
             steps {
-                retry(3) {
-                    checkout scm
-                }
                 script {
-                    // 动态设置环境变量（避免在 environment 块中使用 env 变量）
+                    def stageStartTime = System.currentTimeMillis()
+                    
+                    retry(3) {
+                        checkout scm
+                    }
+                    
                     def shortCommit = sh(
                         script: 'git rev-parse --short HEAD',
                         returnStdout: true
                     ).trim()
 
                     env.IMAGE_TAG = "${env.BRANCH_NAME}-${env.BUILD_NUMBER}-${shortCommit}"
+                    env.PREVIOUS_IMAGE_TAG = getPreviousImageTag()
                     env.GIT_COMMIT_MSG = sh(
                         script: 'git log -1 --pretty=%B',
                         returnStdout: true
@@ -75,7 +89,11 @@ pipeline {
 
                     echo "📦 Commit: ${shortCommit}"
                     echo "📝 Message: ${env.GIT_COMMIT_MSG}"
-                    echo "🏷️  Image Tag: ${env.IMAGE_TAG}"
+                    echo "🏷️  Current Tag: ${env.IMAGE_TAG}"
+                    echo "🔖 Previous Tag: ${env.PREVIOUS_IMAGE_TAG}"
+                    
+                    // 【优化6】记录阶段耗时
+                    recordStageMetrics('Checkout', stageStartTime)
                 }
             }
         }
@@ -83,28 +101,29 @@ pipeline {
         stage('Detect Changes') {
             steps {
                 script {
-                    // 获取变更文件（只执行一次 git diff）
+                    def stageStartTime = System.currentTimeMillis()
+                    
                     def changedFiles = getChangedFiles()
                     echo "📝 Changed files: ${changedFiles.size()} files"
 
-                    // 判断需要构建的服务
                     env.SERVICES_TO_BUILD = detectServicesToBuild(changedFiles)
                     env.DEPS_CHANGED = checkIfDepsChanged(changedFiles)
 
                     if (env.SERVICES_TO_BUILD.isEmpty()) {
                         echo "⏭️  No changes detected, skipping build"
                         currentBuild.result = 'SUCCESS'
-                        return  // 直接跳过后续阶段
+                        return
                     }
 
                     echo "🔄 Services to build: ${env.SERVICES_TO_BUILD}"
                     echo "📦 Deps changed: ${env.DEPS_CHANGED}"
 
-                    // 显示变更的服务
                     env.SERVICES_TO_BUILD.split(',').each { service ->
                         def module = getModulePathForService(service)
                         echo "   - ${service} (${module})"
                     }
+                    
+                    recordStageMetrics('Detect Changes', stageStartTime)
                 }
             }
         }
@@ -115,11 +134,23 @@ pipeline {
             }
             steps {
                 script {
+                    def stageStartTime = System.currentTimeMillis()
+                    
                     echo "🔍 Running pre-build checks..."
 
-                    // 检查 Docker 是否可用
+                    // 检查 Docker
                     sh "docker version >/dev/null 2>&1 || { echo '❌ Docker not available'; exit 1; }"
 
+                    // 【优化1】检查并创建 Maven 缓存卷
+                    sh """
+                        if ! docker volume inspect ${env.MAVEN_CACHE_VOLUME} >/dev/null 2>&1; then
+                            echo "📦 Creating Maven cache volume: ${env.MAVEN_CACHE_VOLUME}"
+                            docker volume create ${env.MAVEN_CACHE_VOLUME}
+                        else
+                            echo "✅ Maven cache volume exists: ${env.MAVEN_CACHE_VOLUME}"
+                        fi
+                    """
+
                     // 检查磁盘空间
                     def diskUsage = sh(
                         script: "df ${env.WORKSPACE} | tail -1 | awk '{print \$5}' | sed 's/%//'",
@@ -138,6 +169,7 @@ pipeline {
                     """
 
                     echo "✅ Pre-build checks passed"
+                    recordStageMetrics('Pre-build Check', stageStartTime)
                 }
             }
         }
@@ -151,21 +183,28 @@ pipeline {
             }
             steps {
                 script {
-                    echo "📦 Building dependencies base image..."
+                    def stageStartTime = System.currentTimeMillis()
+                    
+                    echo "📦 Building dependencies base image with Maven cache..."
                     timeout(time: 15, unit: 'MINUTES') {
+                        // 【优化1】使用 Maven 缓存卷加速依赖下载
                         sh """
                             set -e
-                            echo "Building ${env.DEPS_IMAGE}..."
+                            echo "Building ${env.DEPS_IMAGE} with cache..."
                             docker build \
                                 -f docker/Dockerfile.deps \
                                 -t ${env.DEPS_IMAGE} \
                                 --build-arg BUILDKIT_INLINE_CACHE=1 \
+                                --build-arg MAVEN_OPTS="${env.MAVEN_OPTS}" \
+                                -v ${env.MAVEN_CACHE_VOLUME}:/var/jenkins_home/.m2/repository \
                                 .
 
                             docker push ${env.DEPS_IMAGE}
                             echo "✅ Dependencies image built and pushed"
                         """
                     }
+                    
+                    recordStageMetrics('Build Dependencies Image', stageStartTime)
                 }
             }
         }
@@ -176,20 +215,19 @@ pipeline {
             }
             steps {
                 script {
+                    def stageStartTime = System.currentTimeMillis()
+                    
                     def servicesToBuild = env.SERVICES_TO_BUILD.split(',')
-                    echo "🔨 Building ${servicesToBuild.size()} services (parallelism: ${MAX_PARALLEL_BUILDS})"
+                    echo "🔨 Building ${servicesToBuild.size()} services (parallelism: ${env.MAX_PARALLEL_BUILDS})"
 
-                    // 分批并行构建
+                    // 【优化2】动态并行构建
                     def buildTasks = [:]
-                    def batchSize = env.MAX_PARALLEL_BUILDS.toInteger()
-
                     servicesToBuild.each { service ->
                         buildTasks[service] = {
                             buildServiceWithRetry(service)
                         }
                     }
 
-                    // 限制并发数
                     parallel buildTasks
 
                     echo "✅ All services built successfully"
@@ -199,6 +237,8 @@ pipeline {
                         echo "📊 Built images:"
                         ${env.SERVICES_TO_BUILD.split(',').collect { "docker images ${env.REGISTRY}/${it} --format '  {{.Repository}}:{{.Tag}} - {{.Size}}'" }.join('\n                        ')}
                     """
+                    
+                    recordStageMetrics('Build Services', stageStartTime)
                 }
             }
         }
@@ -212,9 +252,9 @@ pipeline {
             }
             steps {
                 script {
+                    def stageStartTime = System.currentTimeMillis()
+                    
                     def servicesToDeploy = env.SERVICES_TO_BUILD.split(',')
-
-                    // 按依赖顺序排序
                     def sortedServices = sortServicesByDependency(servicesToDeploy)
 
                     echo "🚀 Deploying ${sortedServices.size()} services in dependency order"
@@ -222,12 +262,30 @@ pipeline {
                         echo "   ${index + 1}. ${service}"
                     }
 
-                    // 串行部署（保证依赖关系）
-                    sortedServices.each { service ->
-                        deployServiceWithTimeout(service)
+                    // 【优化7】部署前备份当前镜像标签
+                    if (env.ROLLBACK_ENABLED == 'true') {
+                        backupCurrentDeployment(sortedServices)
                     }
 
-                    echo "🚀 All services deployed successfully!"
+                    try {
+                        // 串行部署（保证依赖关系）
+                        sortedServices.each { service ->
+                            deployServiceWithTimeout(service)
+                        }
+
+                        echo "🚀 All services deployed successfully!"
+                        
+                    } catch (Exception e) {
+                        // 【优化7】部署失败时自动回滚
+                        if (env.ROLLBACK_ENABLED == 'true') {
+                            echo "❌ Deployment failed: ${e.message}"
+                            echo "🔄 Initiating automatic rollback..."
+                            rollbackDeployment(sortedServices)
+                        }
+                        throw e
+                    }
+                    
+                    recordStageMetrics('Deploy', stageStartTime)
                 }
             }
         }
@@ -241,6 +299,8 @@ pipeline {
             }
             steps {
                 script {
+                    def stageStartTime = System.currentTimeMillis()
+                    
                     echo "🏥 Running final health check for all services..."
 
                     def servicesToCheck = env.SERVICES_TO_BUILD.split(',')
@@ -252,10 +312,18 @@ pipeline {
                         }
                     }
 
-                    // 并行健康检查
-                    parallel healthCheckTasks
-
-                    echo "✅ All services are healthy!"
+                    try {
+                        parallel healthCheckTasks
+                        echo "✅ All services are healthy!"
+                    } catch (Exception e) {
+                        // 【优化7】健康检查失败时回滚
+                        if (env.ROLLBACK_ENABLED == 'true') {
+                            echo "❌ Health check failed: ${e.message}"
+                            echo "🔄 Initiating automatic rollback..."
+                            rollbackDeployment(servicesToCheck)
+                        }
+                        throw e
+                    }
 
                     // 显示最终状态
                     sh """
@@ -265,6 +333,8 @@ pipeline {
                             "docker inspect --format='${it}: {{.State.Status}} ({{.State.Health.Status}})' ${container} 2>/dev/null || echo '${it}: not found'"
                         }.join('\n                        ')}
                     """
+                    
+                    recordStageMetrics('Final Health Check', stageStartTime)
                 }
             }
         }
@@ -273,25 +343,33 @@ pipeline {
     post {
         success {
             script {
+                // 【优化6】计算总耗时并生成性能报告
+                def totalDuration = System.currentTimeMillis() - env.PIPELINE_START_TIME.toLong()
+                generatePerformanceReport(totalDuration)
+                
                 echo """
                 ==========================================
                 ✅ BUILD SUCCESS
                 ==========================================
                 📦 Services: ${env.SERVICES_TO_BUILD}
                 🏷️  Tag: ${env.IMAGE_TAG}
-                ⏱️  Duration: ${currentBuild.durationString}
+                ⏱️  Duration: ${formatDuration(totalDuration)}
                 ==========================================
                 """
             }
         }
         failure {
             script {
+                def totalDuration = System.currentTimeMillis() - env.PIPELINE_START_TIME.toLong()
+                
                 echo """
                 ==========================================
                 ❌ BUILD FAILED
                 ==========================================
                 📦 Services: ${env.SERVICES_TO_BUILD ?: 'None'}
                 🏷️  Tag: ${env.IMAGE_TAG ?: 'Unknown'}
+                🔖 Rollback Tag: ${env.PREVIOUS_IMAGE_TAG ?: 'N/A'}
+                ⏱️  Duration: ${formatDuration(totalDuration)}
                 ⚠️  Please check the logs above
                 ==========================================
                 """
@@ -313,8 +391,12 @@ pipeline {
             script {
                 echo "🧹 Cleaning up..."
 
-                // 清理悬空的镜像
-                sh "docker image prune -f || true"
+                // 清理悬空的镜像（但保留带标签的镜像用于回滚）
+                if (env.KEEP_PREVIOUS_IMAGES == 'true') {
+                    sh "docker image prune -f --filter 'dangling=true' || true"
+                } else {
+                    sh "docker image prune -f || true"
+                }
 
                 // 清理超过30天的构建日志
                 sh """
@@ -324,6 +406,9 @@ pipeline {
                 echo "📊 Final System Status:"
                 sh 'df -h | grep -E "/$|/var" || true'
                 sh 'docker system df || true'
+                
+                // 【优化6】保存性能指标到文件
+                archivePerformanceMetrics()
             }
         }
     }
@@ -365,12 +450,10 @@ def checkIfDepsChanged(List<String> changedFiles) {
 // 检测需要构建的服务
 @NonCPS
 def detectServicesToBuild(List<String> changedFiles) {
-    // 如果是第一次构建或强制全量构建
     if (changedFiles.contains('all')) {
         return env.CORE_SERVICES
     }
 
-    // 检查是否触发了全量构建
     def triggerAllFiles = ['pom.xml', 'viewsh-framework', 'viewsh-dependencies', 'Jenkinsfile', 'docker/']
     if (triggerAllFiles.any { triggerFile ->
         changedFiles.any { changedFile ->
@@ -380,7 +463,6 @@ def detectServicesToBuild(List<String> changedFiles) {
         return env.CORE_SERVICES
     }
 
-    // 检测变更的模块
     def changedServices = []
     def allServices = env.CORE_SERVICES.split(',')
 
@@ -406,6 +488,243 @@ def depsImageExists() {
     return result == 0
 }
 
+// 【优化2】动态检测系统资源并设置并行度
+def detectSystemResources() {
+    try {
+        // 获取 CPU 核心数
+        def cpuCores = sh(
+            script: 'nproc 2>/dev/null || echo "2"',
+            returnStdout: true
+        ).trim() as int
+
+        // 获取可用内存（GB）
+        def availableMemory = sh(
+            script: 'free -g | grep Mem | awk \'{print $7}\'',
+            returnStdout: true
+        ).trim() as int
+
+        // 动态计算并行度
+        // 规则：每个构建任务需要至少 2GB 内存和 1 个 CPU 核心
+        def maxParallelByMemory = Math.max(1, (availableMemory / 2) as int)
+        def maxParallelByCpu = Math.max(1, cpuCores - 1)  // 保留一个核心给系统
+        
+        env.MAX_PARALLEL_BUILDS = Math.min(maxParallelByMemory, maxParallelByCpu).toString()
+
+        echo """
+        ========================================
+        📊 System Resources Detected:
+        ========================================
+        CPU Cores: ${cpuCores}
+        Available Memory: ${availableMemory} GB
+        Max Parallel Builds: ${env.MAX_PARALLEL_BUILDS}
+        ========================================
+        """
+    } catch (Exception e) {
+        echo "⚠️  Failed to detect system resources: ${e.message}"
+        echo "Using default parallelism: 2"
+        env.MAX_PARALLEL_BUILDS = '2'
+    }
+}
+
+// 【优化6】记录阶段性能指标
+def recordStageMetrics(String stageName, long startTime) {
+    def duration = System.currentTimeMillis() - startTime
+    def durationStr = formatDuration(duration)
+    
+    if (!env.STAGE_METRICS) {
+        env.STAGE_METRICS = ""
+    }
+    
+    env.STAGE_METRICS += "${stageName}:${duration}|"
+    echo "⏱️  Stage '${stageName}' completed in ${durationStr}"
+}
+
+// 【优化6】格式化时长
+@NonCPS
+def formatDuration(long milliseconds) {
+    def seconds = (milliseconds / 1000) as int
+    def minutes = (seconds / 60) as int
+    def hours = (minutes / 60) as int
+    
+    if (hours > 0) {
+        return "${hours}h ${minutes % 60}m ${seconds % 60}s"
+    } else if (minutes > 0) {
+        return "${minutes}m ${seconds % 60}s"
+    } else {
+        return "${seconds}s"
+    }
+}
+
+// 【优化6】生成性能报告
+def generatePerformanceReport(long totalDuration) {
+    echo """
+    ==========================================
+    📊 PERFORMANCE REPORT
+    ==========================================
+    Total Duration: ${formatDuration(totalDuration)}
+    """
+    
+    if (env.STAGE_METRICS) {
+        echo "Stage Breakdown:"
+        env.STAGE_METRICS.split('\\|').each { metric ->
+            if (metric) {
+                def parts = metric.split(':')
+                if (parts.size() == 2) {
+                    def stageName = parts[0]
+                    def duration = parts[1] as long
+                    def percentage = (duration * 100 / totalDuration) as int
+                    echo "  - ${stageName.padRight(25)}: ${formatDuration(duration).padRight(10)} (${percentage}%)"
+                }
+            }
+        }
+    }
+    
+    echo "=========================================="
+}
+
+// 【优化6】归档性能指标
+def archivePerformanceMetrics() {
+    try {
+        def metricsFile = "${env.WORKSPACE}/build-metrics-${env.BUILD_NUMBER}.json"
+        def metricsData = [
+            buildNumber: env.BUILD_NUMBER,
+            timestamp: new Date().format('yyyy-MM-dd HH:mm:ss'),
+            branch: env.BRANCH_NAME,
+            imageTag: env.IMAGE_TAG,
+            servicesToBuild: env.SERVICES_TO_BUILD,
+            totalDuration: System.currentTimeMillis() - env.PIPELINE_START_TIME.toLong(),
+            stages: [:]
+        ]
+        
+        if (env.STAGE_METRICS) {
+            env.STAGE_METRICS.split('\\|').each { metric ->
+                if (metric) {
+                    def parts = metric.split(':')
+                    if (parts.size() == 2) {
+                        metricsData.stages[parts[0]] = parts[1] as long
+                    }
+                }
+            }
+        }
+        
+        writeJSON file: metricsFile, json: metricsData
+        archiveArtifacts artifacts: "build-metrics-${env.BUILD_NUMBER}.json", allowEmptyArchive: true
+        
+        echo "✅ Performance metrics archived: ${metricsFile}"
+    } catch (Exception e) {
+        echo "⚠️  Failed to archive performance metrics: ${e.message}"
+    }
+}
+
+// 【优化7】获取上一次成功部署的镜像标签
+def getPreviousImageTag() {
+    try {
+        // 从部署主机获取当前运行的镜像标签
+        def sshOpts = "-o StrictHostKeyChecking=no -o ConnectTimeout=10 -i ${env.SSH_KEY}"
+        def previousTag = sh(
+            script: """
+                ssh ${sshOpts} root@${env.DEPLOY_HOST} '
+                    cd ${env.DEPLOY_PATH}
+                    docker compose -f docker-compose.core.yml images --format json | \
+                    jq -r ".[0].Tag" | head -1
+                ' 2>/dev/null || echo "latest"
+            """,
+            returnStdout: true
+        ).trim()
+        
+        return previousTag ?: 'latest'
+    } catch (Exception e) {
+        echo "⚠️  Failed to get previous image tag: ${e.message}"
+        return 'latest'
+    }
+}
+
+// 【优化7】备份当前部署
+def backupCurrentDeployment(def services) {
+    echo "💾 Backing up current deployment state..."
+    
+    def sshOpts = "-o StrictHostKeyChecking=no -o ConnectTimeout=10 -i ${env.SSH_KEY}"
+    
+    try {
+        sh """
+            ssh ${sshOpts} root@${env.DEPLOY_HOST} '
+                cd ${env.DEPLOY_PATH}
+                
+                # 保存当前 docker-compose 配置
+                cp docker-compose.core.yml docker-compose.core.yml.backup-${env.BUILD_NUMBER}
+                
+                # 记录当前运行的镜像
+                docker compose -f docker-compose.core.yml images > deployment-state-${env.BUILD_NUMBER}.txt
+                
+                echo "✅ Backup completed: deployment-state-${env.BUILD_NUMBER}.txt"
+            '
+        """
+        
+        echo "✅ Current deployment backed up successfully"
+    } catch (Exception e) {
+        echo "⚠️  Failed to backup current deployment: ${e.message}"
+    }
+}
+
+// 【优化7】回滚部署
+def rollbackDeployment(def services) {
+    echo """
+    ==========================================
+    🔄 INITIATING ROLLBACK
+    ==========================================
+    Rolling back to: ${env.PREVIOUS_IMAGE_TAG}
+    Services: ${services.join(', ')}
+    ==========================================
+    """
+    
+    def sshOpts = "-o StrictHostKeyChecking=no -o ConnectTimeout=10 -i ${env.SSH_KEY}"
+    
+    try {
+        services.each { service ->
+            echo "🔄 Rolling back ${service}..."
+            
+            sh """
+                ssh ${sshOpts} root@${env.DEPLOY_HOST} '
+                    cd ${env.DEPLOY_PATH}
+                    
+                    # 设置回滚镜像标签
+                    export IMAGE_TAG=${env.PREVIOUS_IMAGE_TAG}
+                    
+                    # 拉取旧版本镜像
+                    docker compose -f docker-compose.core.yml pull ${service}
+                    
+                    # 重启服务
+                    docker compose -f docker-compose.core.yml up -d ${service}
+                    
+                    echo "✅ ${service} rolled back to ${env.PREVIOUS_IMAGE_TAG}"
+                '
+            """
+            
+            // 等待服务启动
+            sleep 5
+        }
+        
+        echo """
+        ==========================================
+        ✅ ROLLBACK COMPLETED
+        ==========================================
+        All services have been rolled back to: ${env.PREVIOUS_IMAGE_TAG}
+        ==========================================
+        """
+        
+    } catch (Exception e) {
+        echo """
+        ==========================================
+        ❌ ROLLBACK FAILED
+        ==========================================
+        Error: ${e.message}
+        Manual intervention required!
+        ==========================================
+        """
+        throw e
+    }
+}
+
 // 构建服务（带重试）
 def buildServiceWithRetry(String service) {
     retry(2) {
@@ -418,6 +737,7 @@ def buildServiceWithRetry(String service) {
 // 构建单个服务
 def buildService(String service) {
     def modulePath = getModulePathForService(service)
+    def buildStartTime = System.currentTimeMillis()
 
     echo ""
     echo "=========================================="
@@ -429,17 +749,20 @@ def buildService(String service) {
     echo "=========================================="
 
     try {
+        // 【优化1】使用 Maven 缓存卷
         sh """
             set -e
             set -x
 
-            # 构建镜像
+            # 构建镜像（使用 Maven 缓存）
             docker build \\
                 -f docker/Dockerfile.service \\
                 --build-arg DEPS_IMAGE=${env.DEPS_IMAGE} \\
                 --build-arg MODULE_NAME=${modulePath} \\
                 --build-arg JAR_NAME=${service} \\
                 --build-arg SKIP_TESTS=true \\
+                --build-arg MAVEN_OPTS="${env.MAVEN_OPTS}" \\
+                -v ${env.MAVEN_CACHE_VOLUME}:/var/jenkins_home/.m2/repository \\
                 -t ${env.REGISTRY}/${service}:${env.IMAGE_TAG} \\
                 -t ${env.REGISTRY}/${service}:latest \\
                 .
@@ -451,7 +774,8 @@ def buildService(String service) {
             set +x
         """
 
-        echo "✅ ${service} built and pushed successfully"
+        def buildDuration = System.currentTimeMillis() - buildStartTime
+        echo "✅ ${service} built and pushed successfully in ${formatDuration(buildDuration)}"
 
         // 获取镜像大小
         def imageSize = sh(
@@ -550,10 +874,10 @@ def waitForServiceHealthy(String containerName, String serviceName, String sshOp
         ssh ${sshOpts} root@${env.DEPLOY_HOST} '
             set -e
 
-            for i in $(seq 1 ${maxAttempts}); do
-                STATUS=$(docker inspect --format="{{.State.Health.Status}}" ${containerName} 2>/dev/null || echo "starting")
+            for i in \$(seq 1 ${maxAttempts}); do
+                STATUS=\$(docker inspect --format="{{.State.Health.Status}}" ${containerName} 2>/dev/null || echo "starting")
 
-                case "$STATUS" in
+                case "\$STATUS" in
                     healthy)
                         echo "✅ ${serviceName} is healthy"
                         exit 0
@@ -565,7 +889,7 @@ def waitForServiceHealthy(String containerName, String serviceName, String sshOp
                         exit 1
                         ;;
                     starting)
-                        ELAPSED=$((i * ${env.HEALTH_CHECK_INTERVAL}))
+                        ELAPSED=\$((i * ${env.HEALTH_CHECK_INTERVAL}))
                         echo "⏳ ${serviceName} is starting... (\${ELAPSED}s/${env.HEALTH_CHECK_TIMEOUT}s)"
                         ;;
                     *)
@@ -600,9 +924,9 @@ def checkServiceHealthWithRetry(String service) {
 def checkServiceHealth(String containerName, String serviceName, String sshOpts) {
     sh """
         ssh ${sshOpts} root@${env.DEPLOY_HOST} '
-            STATUS=$(docker inspect --format="{{.State.Health.Status}}" ${containerName} 2>/dev/null || echo "not_found")
+            STATUS=\$(docker inspect --format="{{.State.Health.Status}}" ${containerName} 2>/dev/null || echo "not_found")
 
-            case "$STATUS" in
+            case "\$STATUS" in
                 healthy)
                     echo "✅ ${serviceName} is healthy"
                     ;;