更新！

OneCardIotServer/src/main/java/com/zhongshu/iot/server/core/service/iot/IotServiceImpl.java

@@ -408,6 +408,7 @@ public class IotServiceImpl extends SuperService {
 
         IotThing iotThing = null;
         DeviceInfo deviceInfo = null;
+
         // 如果是设备
         if (iotDataType == IotDataType.Device) {
             if (StringUtils.isEmpty(param.getIotThingId())) {

OneCardIotServer/src/main/java/com/zhongshu/iot/server/core/service/iot/IotThing2DeviceService.java

@@ -128,7 +128,7 @@ public class IotThing2DeviceService extends SuperService {
      */
     public ResultContent delete(String id) {
         IotThing2Device entity = iotThing2DeviceDao.findTopById(id);
-        if (ObjectUtils.isNotEmpty(entity)) {
+        if (ObjectUtils.isEmpty(entity)) {
             return ResultContent.buildFail(String.format(ResultMessage.DATA_NOT_EXIST, id));
         }
         IotThing iotThing = entity.getIotThing();