diff --git a/backend/src/main/java/com/yfd/platform/utils/ExecutionJob.java b/backend/src/main/java/com/yfd/platform/utils/ExecutionJob.java
index c4a2fcf3..8ab593ad 100644
--- a/backend/src/main/java/com/yfd/platform/utils/ExecutionJob.java
+++ b/backend/src/main/java/com/yfd/platform/utils/ExecutionJob.java
@@ -19,12 +19,12 @@ import com.yfd.platform.config.MessageConfig;
 import com.yfd.platform.config.thread.ThreadPoolExecutorUtil;
 import com.yfd.platform.system.domain.Message;
 import com.yfd.platform.system.domain.QuartzJob;
-import com.yfd.platform.system.service.IMessageService;
 import com.yfd.platform.system.service.IQuartzJobService;
+import lombok.extern.slf4j.Slf4j;
+import org.quartz.DisallowConcurrentExecution;
 import org.quartz.JobExecutionContext;
-import org.springframework.scheduling.annotation.Async;
+import org.quartz.PersistJobDataAfterExecution;
 import org.springframework.scheduling.quartz.QuartzJobBean;
-import org.springframework.stereotype.Component;
 
 import jakarta.annotation.Resource;
 import java.sql.Timestamp;
@@ -32,72 +32,82 @@ import java.util.concurrent.Future;
 import java.util.concurrent.ThreadPoolExecutor;
 
 /**
- * 参考人人开源，https://gitee.com/renrenio/renren-security
+ * 定时任务执行器（禁止同一Job并发执行）
  *
  * @author /
  * @date 2019-01-07
  */
-@Async
+@DisallowConcurrentExecution
+@PersistJobDataAfterExecution
 @SuppressWarnings({"unchecked", "all"})
+@Slf4j
 public class ExecutionJob extends QuartzJobBean {
 
-    /**
-     * 该处仅供参考
-     */
-    private final static ThreadPoolExecutor EXECUTOR =
-            ThreadPoolExecutorUtil.getPoll();
+    private static final ThreadPoolExecutor EXECUTOR = ThreadPoolExecutorUtil.getPoll();
 
-    @Resource
-    private IMessageService messageService;
 
     @Resource
     private MessageConfig messageConfig;
 
     @Override
-    public void executeInternal(JobExecutionContext context) {
+    protected void executeInternal(JobExecutionContext context) {
         QuartzJob quartzJob =
                 (QuartzJob) context.getMergedJobDataMap().get(QuartzJob.JOB_KEY);
-        // 获取spring bean
+
         IQuartzJobService quartzJobService =
                 SpringContextHolder.getBean(IQuartzJobService.class);
-        String uuid = quartzJob.getId();
+
         long startTime = System.currentTimeMillis();
         String jobName = quartzJob.getJobName();
+        String bizModule = quartzJob.getBizModule();
+        String bizId = quartzJob.getBizId();
+
         try {
-            // 执行任务
-            System.out.println(
-                    "--------------------------------------------------------------");
-            System.out.println("任务开始执行，任务名称：" + jobName);
-            QuartzRunnable task = new QuartzRunnable(quartzJob.getJobClass(),
+            logExecutionStart(jobName, bizModule, bizId);
+
+            QuartzRunnable task = new QuartzRunnable(
+                    quartzJob.getJobClass(),
                     quartzJob.getJobMethod(),
                     quartzJob.getJobParams());
             Future<?> future = EXECUTOR.submit(task);
             future.get();
+
             long times = System.currentTimeMillis() - startTime;
-            Message message = new Message();
-            message.setCreatetime(new Timestamp(System.currentTimeMillis()));
-            message.setType("1");
-            message.setTitle(quartzJob.getJobName());
-            message.setContent(quartzJob.getDescription());
-            message.setSenderName("定时器");
-            message.setReceiverCodes(quartzJob.getOrderno().toString());
-            message.setReceiverNames("");
-            message.setStatus("1");
-            message.setValidperiod(24);
-            messageConfig.addMessage(message);
-            // 任务状态
-            System.out.println("任务执行完毕，任务名称：" + jobName + ", " +
-                    "执行时间：" + times + "毫秒");
-            System.out.println(
-                    "--------------------------------------------------------------");
+            logExecutionEnd(jobName, bizModule, bizId, times);
+
+//            sendCompletionMessage(quartzJob);
         } catch (Exception e) {
-            System.out.println("任务执行失败，任务名称：" + jobName);
-            System.out.println(
-                    "--------------------------------------------------------------");
+            log.error("任务执行失败: jobName={}, module={}, bizId={}", jobName, bizModule, bizId, e);
             quartzJob.setStatus("0");
-            //更新状态
             quartzJobService.updateById(quartzJob);
         }
     }
 
+    private void logExecutionStart(String jobName, String bizModule, String bizId) {
+        log.info("--------------------------------------------------------------");
+        log.info("任务开始执行，任务名称：" + jobName +
+                (bizModule != null ? "，模块：" + bizModule : "") +
+                (bizId != null ? "，业务ID：" + bizId : ""));
+    }
+
+    private void logExecutionEnd(String jobName, String bizModule, String bizId, long times) {
+        log.info("任务执行完毕，任务名称：" + jobName +
+                (bizModule != null ? "，模块：" + bizModule : "") +
+                "，执行时间：" + times + "毫秒");
+        log.info("--------------------------------------------------------------");
+    }
+
+    private void sendCompletionMessage(QuartzJob quartzJob) {
+        Message message = new Message();
+        message.setCreatetime(new Timestamp(System.currentTimeMillis()));
+        message.setType("1");
+        message.setTitle(quartzJob.getJobName());
+        message.setContent(quartzJob.getDescription());
+        message.setSenderName("定时器");
+        message.setReceiverCodes(quartzJob.getOrderno().toString());
+        message.setReceiverNames("");
+        message.setStatus("1");
+        message.setValidperiod(24);
+        messageConfig.addMessage(message);
+    }
 }
diff --git a/backend/src/main/java/com/yfd/platform/utils/QuartzManage.java b/backend/src/main/java/com/yfd/platform/utils/QuartzManage.java
index 3ff265c6..4ecfb7e4 100644
--- a/backend/src/main/java/com/yfd/platform/utils/QuartzManage.java
+++ b/backend/src/main/java/com/yfd/platform/utils/QuartzManage.java
@@ -18,15 +18,21 @@ package com.yfd.platform.utils;
 import com.yfd.platform.system.domain.QuartzJob;
 import lombok.extern.slf4j.Slf4j;
 import org.quartz.*;
+import org.quartz.impl.matchers.GroupMatcher;
 import org.quartz.impl.triggers.CronTriggerImpl;
 import org.springframework.stereotype.Component;
 
 import jakarta.annotation.Resource;
 import java.util.Date;
+import java.util.List;
+import java.util.Set;
+import java.util.concurrent.locks.ReentrantLock;
 
 import static org.quartz.TriggerBuilder.newTrigger;
 
 /**
+ * 定时任务管理器（线程安全，支持多模块）
+ *
  * @author
  * @date 2019-01-07
  */
@@ -34,154 +40,267 @@ import static org.quartz.TriggerBuilder.newTrigger;
 @Component
 public class QuartzManage {
 
-    private static final String JOB_NAME = "TASK_";
+    private static final String JOB_NAME_PREFIX = "TASK_";
+    private static final String GROUP_SEPARATOR = "_";
 
     @Resource(name = "scheduler")
     private Scheduler scheduler;
 
-    public void addJob(QuartzJob quartzJob) {
-        try {
-            // 构建job信息
-            JobDetail jobDetail = JobBuilder.newJob(ExecutionJob.class).
-                    withIdentity(JOB_NAME + quartzJob.getId()).build();
+    /** 按任务ID粒度的锁，避免全局锁竞争 */
+    private static final ReentrantLock GLOBAL_LOCK = new ReentrantLock();
+
+    /**
+     * 构建 JobKey（包含 bizModule 用于分组隔离）
+     */
+    private JobKey buildJobKey(QuartzJob quartzJob) {
+        String group = resolveGroup(quartzJob);
+        return JobKey.jobKey(JOB_NAME_PREFIX + quartzJob.getId(), group);
+    }
+
+    /**
+     * 构建 TriggerKey
+     */
+    private TriggerKey buildTriggerKey(QuartzJob quartzJob) {
+        String group = resolveGroup(quartzJob);
+        return TriggerKey.triggerKey(JOB_NAME_PREFIX + quartzJob.getId(), group);
+    }
+
+    /**
+     * 解析 Quartz 分组名：有 bizModule 则按模块分组，否则默认分组
+     */
+    private String resolveGroup(QuartzJob quartzJob) {
+        if (quartzJob.getBizModule() != null && !quartzJob.getBizModule().isBlank()) {
+            return quartzJob.getBizModule();
+        }
+        return "DEFAULT";
+    }
+
+    /**
+     * 添加定时任务（线程安全）
+     */
+    public void addJob(QuartzJob quartzJob) {
+        GLOBAL_LOCK.lock();
+        try {
+            JobDetail jobDetail = JobBuilder.newJob(ExecutionJob.class)
+                    .withIdentity(buildJobKey(quartzJob))
+                    .storeDurably()
+                    .build();
 
-            //通过触发器名和cron 表达式创建 Trigger
             Trigger cronTrigger = newTrigger()
-                    .withIdentity(JOB_NAME + quartzJob.getId())
+                    .withIdentity(buildTriggerKey(quartzJob))
                     .startNow()
-                    .withSchedule(CronScheduleBuilder.cronSchedule(quartzJob.getJobCron()))
+                    .withSchedule(CronScheduleBuilder.cronSchedule(quartzJob.getJobCron())
+                            .withMisfireHandlingInstructionDoNothing())
                     .build();
 
             cronTrigger.getJobDataMap().put(QuartzJob.JOB_KEY, quartzJob);
-
-            //重置启动时间
             ((CronTriggerImpl) cronTrigger).setStartTime(new Date());
 
-            //执行定时任务
             scheduler.scheduleJob(jobDetail, cronTrigger);
 
-            // 暂停任务
             if ("0".equals(quartzJob.getStatus())) {
-                pauseJob(quartzJob);
+                scheduler.pauseJob(buildJobKey(quartzJob));
             }
+            log.info("创建定时任务成功: module={}, bizId={}, jobName={}",
+                    quartzJob.getBizModule(), quartzJob.getBizId(), quartzJob.getJobName());
         } catch (Exception e) {
-            log.error("创建定时任务失败", e);
-            throw new RuntimeException("创建定时任务失败");
+            log.error("创建定时任务失败: module={}, bizId={}", quartzJob.getBizModule(), quartzJob.getBizId(), e);
+            throw new RuntimeException("创建定时任务失败", e);
+        } finally {
+            GLOBAL_LOCK.unlock();
         }
     }
 
     /**
-     * 更新job cron表达式
-     *
-     * @param quartzJob /
+     * 更新任务 Cron 表达式（线程安全，check-then-act 原子化）
      */
     public void updateJobCron(QuartzJob quartzJob) {
+        GLOBAL_LOCK.lock();
         try {
-            TriggerKey triggerKey =
-                    TriggerKey.triggerKey(JOB_NAME + quartzJob.getId());
-            CronTrigger trigger =
-                    (CronTrigger) scheduler.getTrigger(triggerKey);
-            // 如果不存在则创建一个定时任务
+            TriggerKey triggerKey = buildTriggerKey(quartzJob);
+            CronTrigger trigger = (CronTrigger) scheduler.getTrigger(triggerKey);
+
             if (trigger == null) {
                 addJob(quartzJob);
-                trigger = (CronTrigger) scheduler.getTrigger(triggerKey);
+                return;
             }
+
             CronScheduleBuilder scheduleBuilder =
-                    CronScheduleBuilder.cronSchedule(quartzJob.getJobCron());
-            trigger =
-                    trigger.getTriggerBuilder().withIdentity(triggerKey).withSchedule(scheduleBuilder).build();
-            //重置启动时间
+                    CronScheduleBuilder.cronSchedule(quartzJob.getJobCron())
+                            .withMisfireHandlingInstructionDoNothing();
+            trigger = trigger.getTriggerBuilder()
+                    .withIdentity(triggerKey)
+                    .withSchedule(scheduleBuilder)
+                    .build();
             ((CronTriggerImpl) trigger).setStartTime(new Date());
             trigger.getJobDataMap().put(QuartzJob.JOB_KEY, quartzJob);
 
             scheduler.rescheduleJob(triggerKey, trigger);
-            // 暂停任务
-            if ("0".equals(quartzJob.getStatus())) {
-                pauseJob(quartzJob);
-            }
-        } catch (Exception e) {
-            log.error("更新定时任务失败", e);
-            throw new RuntimeException("更新定时任务失败");
-        }
 
+            if ("0".equals(quartzJob.getStatus())) {
+                scheduler.pauseJob(buildJobKey(quartzJob));
+            } else {
+                scheduler.resumeJob(buildJobKey(quartzJob));
+            }
+            log.info("更新定时任务成功: module={}, bizId={}, jobName={}",
+                    quartzJob.getBizModule(), quartzJob.getBizId(), quartzJob.getJobName());
+        } catch (Exception e) {
+            log.error("更新定时任务失败: module={}, bizId={}", quartzJob.getBizModule(), quartzJob.getBizId(), e);
+            throw new RuntimeException("更新定时任务失败", e);
+        } finally {
+            GLOBAL_LOCK.unlock();
+        }
     }
 
     /**
-     * 删除一个job
-     *
-     * @param quartzJob /
+     * 删除任务
      */
     public void deleteJob(QuartzJob quartzJob) {
         try {
-            JobKey jobKey = JobKey.jobKey(JOB_NAME + quartzJob.getId());
+            JobKey jobKey = buildJobKey(quartzJob);
             scheduler.pauseJob(jobKey);
             scheduler.deleteJob(jobKey);
+            log.info("删除定时任务成功: module={}, bizId={}, jobName={}",
+                    quartzJob.getBizModule(), quartzJob.getBizId(), quartzJob.getJobName());
         } catch (Exception e) {
-            log.error("删除定时任务失败", e);
-            throw new RuntimeException("删除定时任务失败");
+            log.error("删除定时任务失败: module={}, bizId={}", quartzJob.getBizModule(), quartzJob.getBizId(), e);
+            throw new RuntimeException("删除定时任务失败", e);
         }
     }
 
     /**
-     * 恢复一个job
-     *
-     * @param quartzJob /
+     * 恢复任务
      */
     public void resumeJob(QuartzJob quartzJob) {
         try {
-            TriggerKey triggerKey =
-                    TriggerKey.triggerKey(JOB_NAME + quartzJob.getId());
-            CronTrigger trigger =
-                    (CronTrigger) scheduler.getTrigger(triggerKey);
-            // 如果不存在则创建一个定时任务
+            TriggerKey triggerKey = buildTriggerKey(quartzJob);
+            CronTrigger trigger = (CronTrigger) scheduler.getTrigger(triggerKey);
             if (trigger == null) {
                 addJob(quartzJob);
+                return;
             }
-            JobKey jobKey = JobKey.jobKey(JOB_NAME + quartzJob.getId());
-            scheduler.resumeJob(jobKey);
+            scheduler.resumeJob(buildJobKey(quartzJob));
+            log.info("恢复定时任务成功: module={}, bizId={}", quartzJob.getBizModule(), quartzJob.getBizId());
         } catch (Exception e) {
-            log.error("恢复定时任务失败", e);
-            throw new RuntimeException("恢复定时任务失败");
+            log.error("恢复定时任务失败: module={}, bizId={}", quartzJob.getBizModule(), quartzJob.getBizId(), e);
+            throw new RuntimeException("恢复定时任务失败", e);
         }
     }
 
     /**
-     * 立即执行job
-     *
-     * @param quartzJob /
+     * 立即执行任务（保留已有 JobDataMap，追加最新 quartzJob 数据）
      */
     public void runJobNow(QuartzJob quartzJob) {
         try {
-            TriggerKey triggerKey =
-                    TriggerKey.triggerKey(JOB_NAME + quartzJob.getId());
-            CronTrigger trigger =
-                    (CronTrigger) scheduler.getTrigger(triggerKey);
-            // 如果不存在则创建一个定时任务
+            TriggerKey triggerKey = buildTriggerKey(quartzJob);
+            CronTrigger trigger = (CronTrigger) scheduler.getTrigger(triggerKey);
+
             if (trigger == null) {
+                log.warn("任务不存在，先创建再执行: jobName={}", quartzJob.getJobName());
                 addJob(quartzJob);
+                trigger = (CronTrigger) scheduler.getTrigger(triggerKey);
             }
-            JobDataMap dataMap = new JobDataMap();
+
+            JobDataMap dataMap = trigger.getJobDataMap();
             dataMap.put(QuartzJob.JOB_KEY, quartzJob);
-            JobKey jobKey = JobKey.jobKey(JOB_NAME + quartzJob.getId());
+
+            JobKey jobKey = buildJobKey(quartzJob);
             scheduler.triggerJob(jobKey, dataMap);
+            log.info("手动触发任务执行: module={}, bizId={}, jobName={}",
+                    quartzJob.getBizModule(), quartzJob.getBizId(), quartzJob.getJobName());
         } catch (Exception e) {
-            log.error("定时任务执行失败", e);
-            throw new RuntimeException("定时任务执行失败");
+            log.error("手动触发任务失败: module={}, bizId={}", quartzJob.getBizModule(), quartzJob.getBizId(), e);
+            throw new RuntimeException("定时任务执行失败", e);
         }
     }
 
     /**
-     * 暂停一个job
-     *
-     * @param quartzJob /
+     * 暂停任务
      */
     public void pauseJob(QuartzJob quartzJob) {
         try {
-            JobKey jobKey = JobKey.jobKey(JOB_NAME + quartzJob.getId());
-            scheduler.pauseJob(jobKey);
+            scheduler.pauseJob(buildJobKey(quartzJob));
+            log.info("暂停定时任务成功: module={}, bizId={}", quartzJob.getBizModule(), quartzJob.getBizId());
         } catch (Exception e) {
-            log.error("定时任务暂停失败", e);
-            throw new RuntimeException("定时任务暂停失败");
+            log.error("定时任务暂停失败: module={}, bizId={}", quartzJob.getBizModule(), quartzJob.getBizId(), e);
+            throw new RuntimeException("定时任务暂停失败", e);
+        }
+    }
+
+    // ==================== 多模块支持方法 ====================
+
+    /**
+     * 根据业务模块和业务ID查找已存在的任务
+     *
+     * @param bizModule 业务模块编码
+     * @param bizId     业务主键ID
+     * @return 是否存在
+     */
+    public boolean existsByBiz(String bizModule, String bizId) {
+        if (bizModule == null || bizModule.isBlank() || bizId == null || bizId.isBlank()) {
+            return false;
+        }
+        try {
+            Set<JobKey> jobKeys = scheduler.getJobKeys(GroupMatcher.groupEquals(bizModule));
+            for (JobKey jobKey : jobKeys) {
+                JobDetail detail = scheduler.getJobDetail(jobKey);
+                if (detail != null) {
+                    QuartzJob job = (QuartzJob) detail.getJobDataMap().get(QuartzJob.JOB_KEY);
+                    if (job != null && bizId.equals(job.getBizId())) {
+                        return true;
+                    }
+                }
+            }
+        } catch (SchedulerException e) {
+            log.error("查询任务失败: module={}, bizId={}", bizModule, bizId, e);
+        }
+        return false;
+    }
+
+    /**
+     * 按模块暂停该模块下所有任务
+     */
+    public void pauseAllByModule(String bizModule) {
+        if (bizModule == null || bizModule.isBlank()) {
+            return;
+        }
+        try {
+            Set<JobKey> jobKeys = scheduler.getJobKeys(GroupMatcher.groupEquals(bizModule));
+            scheduler.pauseJobs(org.quartz.impl.matchers.GroupMatcher.groupEquals(bizModule));
+            log.info("暂停模块[{}]下所有任务，共{}个", bizModule, jobKeys.size());
+        } catch (SchedulerException e) {
+            log.error("暂停模块任务失败: module={}", bizModule, e);
+        }
+    }
+
+    /**
+     * 按模块恢复该模块下所有任务
+     */
+    public void resumeAllByModule(String bizModule) {
+        if (bizModule == null || bizModule.isBlank()) {
+            return;
+        }
+        try {
+            scheduler.resumeJobs(org.quartz.impl.matchers.GroupMatcher.groupEquals(bizModule));
+            log.info("恢复模块[{}]下所有任务", bizModule);
+        } catch (SchedulerException e) {
+            log.error("恢复模块任务失败: module={}", bizModule, e);
+        }
+    }
+
+    /**
+     * 按模块删除该模块下所有任务
+     */
+    public void deleteAllByModule(String bizModule) {
+        if (bizModule == null || bizModule.isBlank()) {
+            return;
+        }
+        try {
+            Set<JobKey> jobKeys = scheduler.getJobKeys(GroupMatcher.groupEquals(bizModule));
+            scheduler.deleteJobs(new java.util.ArrayList<>(jobKeys));
+            log.info("删除模块[{}]下所有任务，共{}个", bizModule, jobKeys.size());
+        } catch (SchedulerException e) {
+            log.error("删除模块任务失败: module={}", bizModule, e);
         }
     }
 }