diff --git a/src/main/java/com/dispose/manager/DeviceTaskManager.java b/src/main/java/com/dispose/manager/DeviceTaskManager.java
index 1e9f555b..c247935a 100644
--- a/src/main/java/com/dispose/manager/DeviceTaskManager.java
+++ b/src/main/java/com/dispose/manager/DeviceTaskManager.java
@@ -136,6 +136,15 @@ public interface DeviceTaskManager {
      */
     DeviceTask getTaskById(Long id);
 
+    /**
+     * Device task created boolean.
+     *
+     * @param taskId the task id
+     * @param devId  the dev id
+     * @return the boolean
+     */
+    boolean deviceTaskCreated(Long taskId, Long devId);
+
     /**
      * Gets peng xin task.
      *
diff --git a/src/main/java/com/dispose/manager/impl/DeviceTaskManagerImpl.java b/src/main/java/com/dispose/manager/impl/DeviceTaskManagerImpl.java
index 608040c6..0247aae3 100644
--- a/src/main/java/com/dispose/manager/impl/DeviceTaskManagerImpl.java
+++ b/src/main/java/com/dispose/manager/impl/DeviceTaskManagerImpl.java
@@ -25,6 +25,18 @@ public class DeviceTaskManagerImpl implements DeviceTaskManager {
     @Resource
     private DeviceTaskMapper deviceTaskMapper;
 
+    /**
+     * Device task created boolean.
+     *
+     * @param taskId the task id
+     * @param devId  the dev id
+     * @return the boolean
+     */
+    @Override
+    public boolean deviceTaskCreated(Long taskId, Long devId) {
+        return deviceTaskMapper.getTaskByDetails(taskId, devId).size() != 0;
+    }
+
     /**
      * Add dispose device task info boolean.
      *
@@ -80,11 +92,11 @@ public class DeviceTaskManagerImpl implements DeviceTaskManager {
     }
 
     /**
-     * Change dispose device task info dev status long.
+     * Change dispose device task info dev status int.
      *
      * @param id        the id
      * @param devStatus the dev status
-     * @return the long
+     * @return the int
      */
     @Override
     public int changeDisposeDeviceTaskInfoDevStatus(Long id, Long devStatus) {
@@ -297,9 +309,9 @@ public class DeviceTaskManagerImpl implements DeviceTaskManager {
     }
 
     /**
-     * Gets PengXin device task info.
+     * Get peng xin task list.
      *
-     * @return the minId task info.
+     * @return the list
      */
     @Override
     public List<DeviceTask> getPengXinTask(){
diff --git a/src/main/java/com/dispose/service/impl/DeviceTaskManagerServiceImpl.java b/src/main/java/com/dispose/service/impl/DeviceTaskManagerServiceImpl.java
index f11e1814..0116645f 100644
--- a/src/main/java/com/dispose/service/impl/DeviceTaskManagerServiceImpl.java
+++ b/src/main/java/com/dispose/service/impl/DeviceTaskManagerServiceImpl.java
@@ -462,7 +462,7 @@ public class DeviceTaskManagerServiceImpl implements DeviceTaskManagerService {
         }
 
         // 对新建的任务，创建对应处置设备任务信息
-        for (DisposeTask v : disposeTaskManager.getNewDisposeTasks()) {
+        for (DisposeTask v : disposeTaskManager.getExpiredTasks()) {
             // 设置任务状态, 开始创建任务
             disposeTaskManager.changeDisposeTaskStatus(v.getId(), DisposeTaskStatus.TASK_STARTING);
 
@@ -482,8 +482,13 @@ public class DeviceTaskManagerServiceImpl implements DeviceTaskManagerService {
                     // 判断设备是否就绪
                     .filter(c -> c.getDb().deviceReady())
                     .forEach(d -> {
-                        log.info("Add dispose task for device: {}", d.getDev());
+                        // 检查当前设备是否已经创建了该任务
+                        if (deviceTaskManager.deviceTaskCreated(v.getId(),
+                                                                d.getDev().getId())) {
+                            return;
+                        }
 
+                        log.info("Add dispose task for device: {}", d.getDev());
                         if (!deviceTaskManager
                                 .addDisposeDeviceTaskInfo(v.getId(),
                                                           d.getDev().getId(),