diff --git a/backend/src/main/java/com/qqchen/deploy/backend/deploy/integration/impl/JenkinsServiceIntegrationImpl.java b/backend/src/main/java/com/qqchen/deploy/backend/deploy/integration/impl/JenkinsServiceIntegrationImpl.java
index 17c2c1c9..32566b17 100644
--- a/backend/src/main/java/com/qqchen/deploy/backend/deploy/integration/impl/JenkinsServiceIntegrationImpl.java
+++ b/backend/src/main/java/com/qqchen/deploy/backend/deploy/integration/impl/JenkinsServiceIntegrationImpl.java
@@ -554,39 +554,6 @@ public class JenkinsServiceIntegrationImpl extends BaseExternalSystemIntegration
                     }
                 }
 
-                // 提取 gitCommitId：优先 changeSet/changeSets，兜底 actions.BuildData.lastBuiltRevision.SHA1
-                String commitId = null;
-                try {
-                    // 1. 先尝试从 changeSet（单数，FreeStyle 任务）获取
-                    if (buildResponse.getChangeSet() != null && 
-                        buildResponse.getChangeSet().getItems() != null && 
-                        !buildResponse.getChangeSet().getItems().isEmpty()) {
-                        // 取最后一个 commit（最新的）
-                        var items = buildResponse.getChangeSet().getItems();
-                        commitId = items.get(items.size() - 1).getCommitId();
-                    }
-                    // 2. 兜底：解析原始 JSON 的 actions 查找 BuildData
-                    if (commitId == null) {
-                        com.fasterxml.jackson.databind.JsonNode root = mapper.readTree(response.getBody());
-                        com.fasterxml.jackson.databind.JsonNode actions = root.get("actions");
-                        if (actions != null && actions.isArray()) {
-                            for (com.fasterxml.jackson.databind.JsonNode act : actions) {
-                                com.fasterxml.jackson.databind.JsonNode clazz = act.get("_class");
-                                if (clazz != null && "hudson.plugins.git.util.BuildData".equals(clazz.asText())) {
-                                    com.fasterxml.jackson.databind.JsonNode lbr = act.get("lastBuiltRevision");
-                                    if (lbr != null && lbr.get("SHA1") != null) {
-                                        commitId = lbr.get("SHA1").asText();
-                                        break;
-                                    }
-                                }
-                            }
-                        }
-                    }
-                } catch (Exception ex) {
-                    log.warn("Failed to extract git commit id from build details: {}", ex.getMessage());
-                }
-                buildResponse.setGitCommitId(commitId);
-
                 // 拼接制品完整URL串（逗号分隔）
                 try {
                     if (buildResponse.getArtifacts() != null && !buildResponse.getArtifacts().isEmpty()) {
diff --git a/backend/src/main/java/com/qqchen/deploy/backend/deploy/integration/response/JenkinsBuildResponse.java b/backend/src/main/java/com/qqchen/deploy/backend/deploy/integration/response/JenkinsBuildResponse.java
index f7a928d7..4e924b4e 100644
--- a/backend/src/main/java/com/qqchen/deploy/backend/deploy/integration/response/JenkinsBuildResponse.java
+++ b/backend/src/main/java/com/qqchen/deploy/backend/deploy/integration/response/JenkinsBuildResponse.java
@@ -3,6 +3,7 @@ package com.qqchen.deploy.backend.deploy.integration.response;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import lombok.Data;
+import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
 
@@ -22,12 +23,6 @@ public class JenkinsBuildResponse {
      */
     private String url;
     
-    /**
-     * 构建类型
-     */
-    @JsonProperty("_class")
-    private String buildClass;
-    
     /**
      * 构建结果
      */
@@ -88,11 +83,6 @@ public class JenkinsBuildResponse {
      */
     private String id;
     
-    /**
-     * 保持永久
-     */
-    private Boolean keepLog;
-    
     /**
      * 构建队列ID
      */
@@ -108,6 +98,11 @@ public class JenkinsBuildResponse {
      */
     private ChangeSet changeSet;
     
+    /**
+     * 构建变更集（Jenkins Pipeline 任务返回 changeSets 复数形式）
+     */
+    private List<ChangeSet> changeSets;
+    
     /**
      * 构建制品
      */
@@ -116,16 +111,35 @@ public class JenkinsBuildResponse {
      * 构建制品URL（逗号分隔的完整URL串），由服务层拼接
      */
     private String artifactUrl;
-    
-    /**
-     * 构建控制台输出
-     */
-    private String consoleLog;
 
     /**
-     * 提取的Git提交ID（兜底自 actions.BuildData.lastBuiltRevision.SHA1 或 changeSets）
+     * 获取所有变更集（统一处理 FreeStyle 的 changeSet 和 Pipeline 的 changeSets）
+     * 调用方无需关心底层差异，直接使用此方法获取所有变更集
      */
-    private String gitCommitId;
+    public List<ChangeSet> getAllChangeSets() {
+        List<ChangeSet> result = new ArrayList<>();
+        if (changeSet != null) {
+            result.add(changeSet);
+        }
+        if (changeSets != null) {
+            result.addAll(changeSets);
+        }
+        return result;
+    }
+    
+    /**
+     * 获取所有变更集中的提交记录（统一处理 FreeStyle 和 Pipeline）
+     * 调用方无需关心底层差异，直接使用此方法获取所有 commit 信息
+     */
+    public List<ChangeSetItem> getAllChangeSetItems() {
+        List<ChangeSetItem> items = new ArrayList<>();
+        for (ChangeSet cs : getAllChangeSets()) {
+            if (cs.getItems() != null) {
+                items.addAll(cs.getItems());
+            }
+        }
+        return items;
+    }
     
     @Data
     @JsonIgnoreProperties(ignoreUnknown = true)
diff --git a/backend/src/main/java/com/qqchen/deploy/backend/deploy/repository/IJenkinsBuildRepository.java b/backend/src/main/java/com/qqchen/deploy/backend/deploy/repository/IJenkinsBuildRepository.java
index 73446884..cde78a3f 100644
--- a/backend/src/main/java/com/qqchen/deploy/backend/deploy/repository/IJenkinsBuildRepository.java
+++ b/backend/src/main/java/com/qqchen/deploy/backend/deploy/repository/IJenkinsBuildRepository.java
@@ -75,4 +75,27 @@ public interface IJenkinsBuildRepository extends IBaseRepository<JenkinsBuild, L
      */
     List<JenkinsBuild> findByExternalSystemIdAndStarttimeAfter(
         Long externalSystemId, LocalDateTime starttime);
-} 
\ No newline at end of file
+    
+    /**
+     * 批量查询多个任务的最新构建记录（用于解决N+1查询问题）
+     * 
+     * @param externalSystemId 外部系统ID
+     * @param jobIds 任务ID集合
+     * @return 最新构建记录列表
+     */
+    @Query("""
+        SELECT b FROM JenkinsBuild b
+        WHERE b.externalSystemId = :externalSystemId
+        AND b.jobId IN :jobIds
+        AND (b.jobId, b.buildNumber) IN (
+            SELECT b2.jobId, MAX(b2.buildNumber)
+            FROM JenkinsBuild b2
+            WHERE b2.externalSystemId = :externalSystemId
+            AND b2.jobId IN :jobIds
+            GROUP BY b2.jobId
+        )
+        """)
+    List<JenkinsBuild> findLatestBuildsByJobIds(
+        @Param("externalSystemId") Long externalSystemId,
+        @Param("jobIds") Collection<Long> jobIds);
+}
\ No newline at end of file
diff --git a/backend/src/main/java/com/qqchen/deploy/backend/deploy/service/impl/JenkinsBuildServiceImpl.java b/backend/src/main/java/com/qqchen/deploy/backend/deploy/service/impl/JenkinsBuildServiceImpl.java
index 5b821c1b..202987f8 100644
--- a/backend/src/main/java/com/qqchen/deploy/backend/deploy/service/impl/JenkinsBuildServiceImpl.java
+++ b/backend/src/main/java/com/qqchen/deploy/backend/deploy/service/impl/JenkinsBuildServiceImpl.java
@@ -40,6 +40,7 @@ import org.springframework.http.HttpEntity;
 import org.springframework.http.HttpHeaders;
 import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
+import org.springframework.orm.ObjectOptimisticLockingFailureException;
 import org.springframework.scheduling.annotation.Async;
 import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
 import org.springframework.stereotype.Service;
@@ -55,6 +56,7 @@ import java.time.Instant;
 import java.time.LocalDateTime;
 import java.time.ZoneId;
 import java.time.format.DateTimeFormatter;
+import java.time.temporal.ChronoUnit;
 import java.util.*;
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.TimeUnit;
@@ -183,7 +185,6 @@ public class JenkinsBuildServiceImpl extends BaseServiceImpl<JenkinsBuild, Jenki
 
         // 4. 更新同步历史
         updateSyncHistorySuccess(context.getSyncHistory());
-
         log.info("Successfully synchronized total {} builds for external system: {}",
             totalSyncedBuilds, context.getExternalSystem().getId());
         return totalSyncedBuilds;
@@ -207,15 +208,23 @@ public class JenkinsBuildServiceImpl extends BaseServiceImpl<JenkinsBuild, Jenki
                 return 0;
             }
 
-            // 3. 创建任务名称到响应的映射
+            // 3. 批量查询所有任务的最新构建（解决N+1查询问题）
+            List<Long> jobIds = jobs.stream().map(JenkinsJob::getId).toList();
+            List<JenkinsBuild> latestBuilds = jenkinsBuildRepository.findLatestBuildsByJobIds(
+                externalSystem.getId(), jobIds);
+            Map<Long, JenkinsBuild> latestBuildMap = latestBuilds.stream()
+                .collect(Collectors.toMap(JenkinsBuild::getJobId, build -> build));
+
+            // 4. 创建任务名称到响应的映射
             Map<String, JenkinsJobResponse> jobResponseMap = jobResponses.stream()
                 .collect(Collectors.toMap(JenkinsJobResponse::getName, job -> job));
 
-            // 4. 同步每个任务的构建信息
+            // 5. 同步每个任务的构建信息
             return jobs.stream()
                 .map(job -> {
                     JenkinsJobResponse jobResponse = jobResponseMap.get(job.getJobName());
-                    return syncJob(externalSystem, job, jobResponse);
+                    JenkinsBuild latestBuild = latestBuildMap.get(job.getId());
+                    return syncJob(externalSystem, job, jobResponse, latestBuild);
                 })
                 .mapToInt(Integer::intValue)
                 .sum();
@@ -227,6 +236,11 @@ public class JenkinsBuildServiceImpl extends BaseServiceImpl<JenkinsBuild, Jenki
 
     @Transactional
     protected Integer syncJob(ExternalSystem externalSystem, JenkinsJob job, JenkinsJobResponse jobResponse) {
+        return syncJob(externalSystem, job, jobResponse, null);
+    }
+
+    @Transactional
+    protected Integer syncJob(ExternalSystem externalSystem, JenkinsJob job, JenkinsJobResponse jobResponse, JenkinsBuild latestBuild) {
         try {
             if (jobResponse == null || jobResponse.getLastBuild() == null) {
                 log.info("No build information available for job: {}", job.getJobName());
@@ -234,21 +248,30 @@ public class JenkinsBuildServiceImpl extends BaseServiceImpl<JenkinsBuild, Jenki
             }
 
             Integer latestBuildNumber = jobResponse.getLastBuild().getNumber();
-            Integer lastSyncedBuildNumber = job.getLastBuildNumber();
+            
+            // 1. 使用预查询的最新构建或查询Build表中该Job的实际最大构建号
+            Integer lastSyncedBuildNumber;
+            if (latestBuild != null) {
+                lastSyncedBuildNumber = latestBuild.getBuildNumber();
+            } else {
+                Optional<JenkinsBuild> build = jenkinsBuildRepository
+                    .findTopByExternalSystemIdAndJobIdOrderByBuildNumberDesc(externalSystem.getId(), job.getId());
+                lastSyncedBuildNumber = build.map(JenkinsBuild::getBuildNumber).orElse(null);
+            }
 
-            // 1. 判断是否有新构建（对比本地缓存的 lastBuildNumber 和 Jenkins 最新的）
+            // 2. 判断是否有新构建（基于Build表实际数据判断）
             if (lastSyncedBuildNumber != null && latestBuildNumber <= lastSyncedBuildNumber) {
                 log.info("No new builds to sync for job: {} (last synced: {}, latest: {})", job.getJobName(), lastSyncedBuildNumber, latestBuildNumber);
                 return 0;
             }
 
-            // 2. 确定同步范围
+            // 3. 确定同步范围
             Integer fromBuildNumber = (lastSyncedBuildNumber != null) ? lastSyncedBuildNumber + 1 : 1;
 
-            // 3. 获取构建信息
+            // 4. 获取构建信息
             List<JenkinsBuildResponse> builds = jenkinsServiceIntegration.listBuilds(externalSystem, job.getJobName());
 
-            // 4. 过滤出需要同步的构建
+            // 5. 过滤出需要同步的构建
             List<JenkinsBuildResponse> newBuilds = builds.stream()
                 .filter(build -> build.getNumber() >= fromBuildNumber && build.getNumber() <= latestBuildNumber)
                 .collect(Collectors.toList());
@@ -258,10 +281,10 @@ public class JenkinsBuildServiceImpl extends BaseServiceImpl<JenkinsBuild, Jenki
                 return 0;
             }
 
-            // 5. 保存新的构建信息
+            // 6. 保存新的构建信息
             saveNewBuilds(externalSystem, job, newBuilds);
 
-            // 6. 更新任务的最新构建信息
+            // 7. 更新任务的最新构建信息
             updateJobLastBuild(job, jobResponse);
 
             log.info("Successfully synchronized {} builds for job: {} (from: {}, to: {})",
@@ -277,16 +300,29 @@ public class JenkinsBuildServiceImpl extends BaseServiceImpl<JenkinsBuild, Jenki
         ExternalSystem externalSystem,
         JenkinsJob job,
         List<JenkinsBuildResponse> builds) {
-        List<JenkinsBuild> jenkinsBuilds = builds.stream()
-            .map(buildResponse -> {
-                JenkinsBuild build = new JenkinsBuild();
-                build.setExternalSystemId(externalSystem.getId());
-                build.setJobId(job.getId());
-                build.setBuildNumber(buildResponse.getNumber());
+        List<JenkinsBuild> jenkinsBuilds = new ArrayList<>();
+
+        for (JenkinsBuildResponse buildResponse : builds) {
+            JenkinsBuild build = new JenkinsBuild();
+            build.setExternalSystemId(externalSystem.getId());
+            build.setJobId(job.getId());
+            build.setBuildNumber(buildResponse.getNumber());
+
+            try {
+                // 调用 getBuildDetails 获取完整信息（包含 changeSets 等）
+                JenkinsBuildResponse detailedBuild = jenkinsServiceIntegration.getBuildDetails(externalSystem, job.getJobName(), buildResponse.getNumber());
+                if (detailedBuild != null) {
+                    updateBuildFromResponse(build, detailedBuild);
+                } else {
+                    updateBuildFromResponse(build, buildResponse);
+                }
+            } catch (Exception e) {
+                log.warn("获取构建详情失败，使用基础信息: job={}, build={}", job.getJobName(), buildResponse.getNumber());
                 updateBuildFromResponse(build, buildResponse);
-                return build;
-            })
-            .collect(Collectors.toList());
+            }
+
+            jenkinsBuilds.add(build);
+        }
 
         log.info("Saving {} builds for job: {}", jenkinsBuilds.size(), job.getJobName());
         jenkinsBuildRepository.saveAll(jenkinsBuilds);
@@ -304,8 +340,7 @@ public class JenkinsBuildServiceImpl extends BaseServiceImpl<JenkinsBuild, Jenki
     }
 
     private void handleSyncException(JenkinsSyncContext context, Exception e) {
-        log.error("Failed to sync Jenkins builds for external system: {}",
-            context.getExternalSystem().getId(), e);
+        log.error("Failed to sync Jenkins builds for external system: {}", context.getExternalSystem().getId(), e);
 
         context.getSyncHistory().setStatus(ExternalSystemSyncStatus.FAILED);
         context.getSyncHistory().setErrorMessage(e.getMessage());
@@ -319,7 +354,6 @@ public class JenkinsBuildServiceImpl extends BaseServiceImpl<JenkinsBuild, Jenki
 
     private void updateBuildFromResponse(JenkinsBuild jenkinsBuild, JenkinsBuildResponse response) {
         jenkinsBuild.setBuildUrl(response.getUrl());
-        // Jenkins API 返回的 result 在构建进行中时为 null，设置默认值 "BUILDING"
         jenkinsBuild.setBuildStatus(response.getResult() != null ? response.getResult() : "BUILDING");
         jenkinsBuild.setDuration(response.getDuration());
 
@@ -332,16 +366,11 @@ public class JenkinsBuildServiceImpl extends BaseServiceImpl<JenkinsBuild, Jenki
         }
 
         try {
-            // 保存 actions 和 changeSet 到 JSON
-            Map<String, Object> buildData = new HashMap<>();
-            buildData.put("actions", response.getActions());
-            buildData.put("changeSet", response.getChangeSet());
-            buildData.put("gitCommitId", response.getGitCommitId());
-            String actionsJson = objectMapper.writeValueAsString(buildData);
-            jenkinsBuild.setActions(actionsJson);
+            String changeSetsJson = objectMapper.writeValueAsString(response.getAllChangeSets());
+            jenkinsBuild.setActions(changeSetsJson);
         } catch (JsonProcessingException e) {
-            log.error("Failed to serialize build actions", e);
-            jenkinsBuild.setActions("{}");
+            log.error("Failed to serialize changeSets", e);
+            jenkinsBuild.setActions("[]");
         }
     }
 
@@ -543,25 +572,26 @@ public class JenkinsBuildServiceImpl extends BaseServiceImpl<JenkinsBuild, Jenki
                 JenkinsBuild latestBuild = latestBuildByJobId.get(job.getId());
                 if (latestBuild == null) continue;
 
-                // 从 Jenkins API 实时获取最新状态（每个Job只调用一次）
-                JenkinsBuildResponse latestBuildInfo = null;
-                String latestStatus = "BUILDING";
-                try {
-                    latestBuildInfo = jenkinsServiceIntegration.getBuildDetails(externalSystem, job.getJobName(), latestBuild.getBuildNumber());
-                    if (latestBuildInfo != null && latestBuildInfo.getResult() != null) {
-                        latestStatus = latestBuildInfo.getResult();
-                    }
-                } catch (Exception e) {
-                    log.warn("从Jenkins获取构建信息失败，跳过本次处理，等待下次重试: job={}, buildNumber={}, error={}",
-                        job.getJobName(), latestBuild.getBuildNumber(), e.getMessage());
-                    continue;  // 跳过这个 Job，下次定时任务重试
-                }
+                // 获取构建状态：只有 BUILDING 状态才需要调用 API 刷新
+                String latestStatus = latestBuild.getBuildStatus();
 
-                // 更新数据库中的构建状态（如果有变化）
-                if (latestBuildInfo != null && !latestStatus.equals(latestBuild.getBuildStatus())) {
-                    updateBuildFromResponse(latestBuild, latestBuildInfo);
-                    jenkinsBuildRepository.save(latestBuild);
+                if ("BUILDING".equals(latestStatus)) {
+                    // 构建进行中，需要从 Jenkins API 获取最新状态
+                    try {
+                        JenkinsBuildResponse latestBuildInfo = jenkinsServiceIntegration.getBuildDetails(externalSystem, job.getJobName(), latestBuild.getBuildNumber());
+                        if (latestBuildInfo != null && latestBuildInfo.getResult() != null) {
+                            latestStatus = latestBuildInfo.getResult();
+                            // 状态有变化，更新数据库
+                            updateBuildFromResponse(latestBuild, latestBuildInfo);
+                            jenkinsBuildRepository.save(latestBuild);
+                            log.info("构建状态已更新: job={}, build={}, status={}", job.getJobName(), latestBuild.getBuildNumber(), latestStatus);
+                        }
+                    } catch (Exception e) {
+                        log.warn("从Jenkins获取构建信息失败，跳过本次处理，等待下次重试: job={}, buildNumber={}, error={}", job.getJobName(), latestBuild.getBuildNumber(), e.getMessage());
+                        continue;  // 跳过这个 Job，下次定时任务重试
+                    }
                 }
+                // 已完成的构建（SUCCESS/FAILURE/ABORTED）直接使用数据库中的状态，不调用 API
 
                 // 处理每个关联的 TeamApplication
                 for (TeamApplication teamApp : relatedTeamApps) {
@@ -599,20 +629,11 @@ public class JenkinsBuildServiceImpl extends BaseServiceImpl<JenkinsBuild, Jenki
      *   <li>有记录但buildEndNotice=false：检查是否完成，发送结束通知</li>
      * </ul>
      */
-    private void processBuildNotification(
-        TeamEnvironmentNotificationConfig config,
-        NotificationChannel channel,
-        JenkinsJob job,
-        JenkinsBuild build,
-        String latestStatus,
-        ExternalSystem externalSystem,
-        Application application,
-        Environment environment,
-        JenkinsBuildNotification existingRecord) {
+    private void processBuildNotification(TeamEnvironmentNotificationConfig config, NotificationChannel channel, JenkinsJob job, JenkinsBuild build, String latestStatus, ExternalSystem externalSystem, Application application, Environment environment, JenkinsBuildNotification existingRecord) {
 
         try {
             // 计算构建开始到现在的分钟数
-            long minutesAgo = java.time.temporal.ChronoUnit.MINUTES.between(build.getStarttime(), LocalDateTime.now());
+            long minutesAgo = ChronoUnit.MINUTES.between(build.getStarttime(), LocalDateTime.now());
 
             // 1. 新构建（通知记录不存在）
             if (existingRecord == null) {
@@ -625,8 +646,7 @@ public class JenkinsBuildServiceImpl extends BaseServiceImpl<JenkinsBuild, Jenki
                     record.setBuildStartNotice(true);
                     record.setBuildEndNotice(true);  // 直接标记结束
                     jenkinsBuildNotificationRepository.save(record);
-                    log.info("构建超时，直接标记完成: job={}, build={}, minutesAgo={}",
-                        job.getJobName(), build.getBuildNumber(), minutesAgo);
+                    log.info("构建超时，直接标记完成: job={}, build={}, minutesAgo={}", job.getJobName(), build.getBuildNumber(), minutesAgo);
                     return;
                 }
 
@@ -650,26 +670,22 @@ public class JenkinsBuildServiceImpl extends BaseServiceImpl<JenkinsBuild, Jenki
                     sendNotification(config, channel, job, build, latestStatus, externalSystem, application, environment);
                     existingRecord.setBuildEndNotice(true);
                     jenkinsBuildNotificationRepository.save(existingRecord);
-                    log.info("发送构建结束通知: job={}, build={}, status={}",
-                        job.getJobName(), build.getBuildNumber(), latestStatus);
+                    log.info("发送构建结束通知: job={}, build={}, status={}", job.getJobName(), build.getBuildNumber(), latestStatus);
                 } else {
                     // 兜底：超过2小时仍未完成，强制标记结束（不发通知）
-                    long hoursAgo = java.time.temporal.ChronoUnit.HOURS.between(build.getStarttime(), LocalDateTime.now());
+                    long hoursAgo = ChronoUnit.HOURS.between(build.getStarttime(), LocalDateTime.now());
                     if (hoursAgo >= 2) {
-                        log.warn("构建超时未完成，强制标记结束: job={}, build={}, startTime={}",
-                            job.getJobName(), build.getBuildNumber(), build.getStarttime());
+                        log.warn("构建超时未完成，强制标记结束: job={}, build={}, startTime={}", job.getJobName(), build.getBuildNumber(), build.getStarttime());
                         existingRecord.setBuildEndNotice(true);
                         jenkinsBuildNotificationRepository.save(existingRecord);
                     }
                 }
             }
 
-        } catch (org.springframework.orm.ObjectOptimisticLockingFailureException e) {
-            log.warn("构建通知记录乐观锁冲突，跳过: teamId={}, envId={}, buildId={}",
-                config.getTeamId(), config.getEnvironmentId(), build.getId());
+        } catch (ObjectOptimisticLockingFailureException e) {
+            log.warn("构建通知记录乐观锁冲突，跳过: teamId={}, envId={}, buildId={}", config.getTeamId(), config.getEnvironmentId(), build.getId());
         } catch (Exception e) {
-            log.error("处理构建通知失败: teamId={}, envId={}, buildId={}",
-                config.getTeamId(), config.getEnvironmentId(), build.getId(), e);
+            log.error("处理构建通知失败: teamId={}, envId={}, buildId={}", config.getTeamId(), config.getEnvironmentId(), build.getId(), e);
         }
     }
 
@@ -680,14 +696,6 @@ public class JenkinsBuildServiceImpl extends BaseServiceImpl<JenkinsBuild, Jenki
         return "SUCCESS".equals(status) || "FAILURE".equals(status) || "ABORTED".equals(status);
     }
 
-    /**
-     * 判断构建是否已结束
-     */
-    private boolean isBuildFinished(JenkinsBuild build) {
-        String status = build.getBuildStatus();
-        return "SUCCESS".equals(status) || "FAILURE".equals(status) || "ABORTED".equals(status);
-    }
-
     /**
      * 发送通知（使用模板）
      */
@@ -696,8 +704,7 @@ public class JenkinsBuildServiceImpl extends BaseServiceImpl<JenkinsBuild, Jenki
         try {
             // 1. 检查是否配置了构建通知模板
             if (config.getBuildNotificationTemplateId() == null) {
-                log.warn("未配置构建通知模板，跳过通知: teamId={}, envId={}",
-                    config.getTeamId(), config.getEnvironmentId());
+                log.warn("未配置构建通知模板，跳过通知: teamId={}, envId={}", config.getTeamId(), config.getEnvironmentId());
                 return;
             }
 
@@ -823,83 +830,43 @@ public class JenkinsBuildServiceImpl extends BaseServiceImpl<JenkinsBuild, Jenki
     }
 
     /**
-     * 从 actions JSON 中解析 commit 信息
+     * 从 changeSets JSON 中解析 commit 信息
      */
-    private void parseCommitInfoFromActions(String actionsJson, Map<String, Object> templateParams) {
-        if (actionsJson == null || actionsJson.isEmpty()) {
-            log.debug("actionsJson 为空，跳过解析");
+    private void parseCommitInfoFromActions(String changeSetsJson, Map<String, Object> templateParams) {
+        if (changeSetsJson == null || changeSetsJson.isEmpty()) {
             return;
         }
         try {
-            log.debug("开始解析 actionsJson: {}", actionsJson);
-            JsonNode root = objectMapper.readTree(actionsJson);
+            // 直接反序列化为 List<ChangeSet>
+            List<JenkinsBuildResponse.ChangeSet> changeSets = objectMapper.readValue(
+                changeSetsJson,
+                new com.fasterxml.jackson.core.type.TypeReference<List<JenkinsBuildResponse.ChangeSet>>() {
+                }
+            );
 
-            // 解析 gitCommitId
-            if (root.has("gitCommitId") && !root.get("gitCommitId").isNull()) {
-                templateParams.put("gitCommitId", root.get("gitCommitId").asText());
+            if (changeSets == null || changeSets.isEmpty()) {
+                return;
             }
 
-            // 解析 changeSets 中的 commit 信息
-            JsonNode changeSets = root.get("changeSets");
-            log.debug("changeSets 节点: {}", changeSets);
+            StringBuilder commitMessages = new StringBuilder();
+            for (JenkinsBuildResponse.ChangeSet changeSet : changeSets) {
+                if (changeSet.getItems() == null) continue;
+                for (JenkinsBuildResponse.ChangeSetItem item : changeSet.getItems()) {
+                    if (item.getMsg() == null || item.getMsg().isEmpty()) continue;
 
-            if (changeSets != null && changeSets.isArray() && changeSets.size() > 0) {
-                log.debug("changeSets 数组大小: {}", changeSets.size());
-                StringBuilder commitMessages = new StringBuilder();
-                for (JsonNode changeSet : changeSets) {
-                    JsonNode items = changeSet.get("items");
-                    log.debug("items 节点: {}", items);
-
-                    if (items != null && items.isArray()) {
-                        log.debug("items 数组大小: {}", items.size());
-                        for (JsonNode item : items) {
-                            log.debug("处理 item: {}", item);
-
-                            // Jenkins API 返回的字段名是 msg
-                            String msg = item.has("msg") ? item.get("msg").asText() : "";
-
-                            // author 是一个对象，需要提取 fullName 或其他字段
-                            String author = "";
-                            if (item.has("author")) {
-                                JsonNode authorNode = item.get("author");
-                                log.debug("author 节点: {}", authorNode);
-
-                                if (authorNode.isTextual()) {
-                                    // 如果是字符串，直接使用
-                                    author = authorNode.asText();
-                                } else if (authorNode.isObject()) {
-                                    // 如果是对象，尝试提取 fullName
-                                    if (authorNode.has("fullName")) {
-                                        author = authorNode.get("fullName").asText();
-                                    } else if (authorNode.has("name")) {
-                                        author = authorNode.get("name").asText();
-                                    }
-                                }
-                            }
-
-                            String commitId = item.has("commitId") ? item.get("commitId").asText() : "";
-
-                            log.debug("解析结果 - msg: {}, author: {}, commitId: {}", msg, author, commitId);
-
-                            if (!msg.isEmpty()) {
-                                if (commitMessages.length() > 0) {
-                                    commitMessages.append("\n");
-                                }
-                                // 截取 commitId 前8位
-                                String shortCommitId = commitId.length() > 8 ? commitId.substring(0, 8) : commitId;
-                                commitMessages.append(String.format("[%s] %s - %s", shortCommitId, msg.trim(), author));
-                            }
-                        }
+                    if (commitMessages.length() > 0) {
+                        commitMessages.append("\n");
                     }
+                    String commitId = item.getCommitId() != null ? item.getCommitId() : "";
+                    String shortCommitId = commitId.length() > 8 ? commitId.substring(0, 8) : commitId;
+                    String author = item.getAuthor() != null && item.getAuthor().getFullName() != null
+                        ? item.getAuthor().getFullName() : "";
+                    commitMessages.append(String.format("[%s] %s - %s", shortCommitId, item.getMsg().trim(), author));
                 }
-                if (commitMessages.length() > 0) {
-                    log.info("成功解析 commitMessage: {}", commitMessages.toString());
-                    templateParams.put("commitMessage", commitMessages.toString());
-                } else {
-                    log.warn("commitMessages 为空");
-                }
-            } else {
-                log.warn("changeSets 为空或不是数组");
+            }
+
+            if (commitMessages.length() > 0) {
+                templateParams.put("commitMessage", commitMessages.toString());
             }
         } catch (Exception e) {
             log.error("解析 commit 信息失败", e);
@@ -1073,7 +1040,7 @@ public class JenkinsBuildServiceImpl extends BaseServiceImpl<JenkinsBuild, Jenki
      */
     private void cleanupTempFile(String filePath) {
         try {
-            java.nio.file.Files.deleteIfExists(java.nio.file.Paths.get(filePath));
+            Files.deleteIfExists(Paths.get(filePath));
             log.debug("临时文件已清理: {}", filePath);
         } catch (Exception e) {
             log.warn("清理临时文件失败: {}", filePath, e);
diff --git a/backend/src/main/java/com/qqchen/deploy/backend/workflow/delegate/JenkinsBuildDelegate.java b/backend/src/main/java/com/qqchen/deploy/backend/workflow/delegate/JenkinsBuildDelegate.java
index c52c65db..27e219f9 100644
--- a/backend/src/main/java/com/qqchen/deploy/backend/workflow/delegate/JenkinsBuildDelegate.java
+++ b/backend/src/main/java/com/qqchen/deploy/backend/workflow/delegate/JenkinsBuildDelegate.java
@@ -276,8 +276,14 @@ public class JenkinsBuildDelegate extends BaseNodeDelegate<JenkinsBuildInputMapp
         output.setBuildEndTimeMillis(buildDetails.getEndTimeMillis());
         output.setBuildEndTime(buildDetails.getEndTime());
 
-        // Git 提交ID（服务层已兜底）
-        output.setGitCommitId(buildDetails.getGitCommitId() != null ? buildDetails.getGitCommitId() : "");
+        // Git 提交ID（从 changeSets 中获取最后一个 commit）
+        String gitCommitId = "";
+        var changeSetItems = buildDetails.getAllChangeSetItems();
+        if (changeSetItems != null && !changeSetItems.isEmpty()) {
+            var lastItem = changeSetItems.get(changeSetItems.size() - 1);
+            gitCommitId = lastItem.getCommitId() != null ? lastItem.getCommitId() : "";
+        }
+        output.setGitCommitId(gitCommitId);
 
         // 制品URL（服务层已拼接）
         output.setArtifactUrl(buildDetails.getArtifactUrl() != null ? buildDetails.getArtifactUrl() : "");