更新

src/main/java/com/zswl/dataservice/service/iot/IotSendMessageService.java

@@ -137,6 +137,8 @@ public class IotSendMessageService extends SuperService {
 
                 operationMessageResultDao.save(messageResult);
             }
+        } else {
+            return ResultContent.buildFail("dataId重复");
         }
         return ResultContent.buildSuccess();
     }