diff --git a/src/main/java/com/dispose/manager/impl/DeviceTaskManagerImpl.java b/src/main/java/com/dispose/manager/impl/DeviceTaskManagerImpl.java
index 0247aae3..98abd24d 100644
--- a/src/main/java/com/dispose/manager/impl/DeviceTaskManagerImpl.java
+++ b/src/main/java/com/dispose/manager/impl/DeviceTaskManagerImpl.java
@@ -48,7 +48,7 @@ public class DeviceTaskManagerImpl implements DeviceTaskManager {
     @Override
     public boolean addDisposeDeviceTaskInfo(Long taskId, Long deviceId, Long attackTypeMask) {
         // 如果已经存在相同任务，不再添加重复任务
-        if (deviceTaskMapper.getTaskByDetails(taskId, deviceId).size() != 0) {
+        if (deviceTaskCreated(taskId, deviceId)) {
             return true;
         }