diff --git a/src/main/java/com/dispose/service/impl/DeviceTaskManagerServiceImpl.java b/src/main/java/com/dispose/service/impl/DeviceTaskManagerServiceImpl.java
index 2a836203..ccc3e741 100644
--- a/src/main/java/com/dispose/service/impl/DeviceTaskManagerServiceImpl.java
+++ b/src/main/java/com/dispose/service/impl/DeviceTaskManagerServiceImpl.java
@@ -482,6 +482,13 @@ 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.getUnExpiredTasks()) {
+            //数据库数据太多，存在数据库一次性读取的信息和当前最新信息不一致（改动数据库）的情况，再次从数据库获取最新信息
+            DisposeTaskStatus taskStatus = disposeTaskManager.getDisposeTaskById(v.getId()).getCurrentStatus();
+            if (taskStatus.equals(DisposeTaskStatus.TASK_FINISHED) ||
+                    taskStatus.equals(DisposeTaskStatus.TASK_CANCELED) ||
+                    taskStatus.equals(DisposeTaskStatus.TASK_EXPIRED)) {
+                continue;
+            }
             // 设置任务状态, 开始创建任务
             disposeTaskManager.changeDisposeTaskStatus(v.getId(), DisposeTaskStatus.TASK_STARTING);