修改迁移

src/main/java/com/wxxcx/index/WxxcxIndexController.java

@@ -738,7 +738,7 @@ public class WxxcxIndexController<AesException extends Throwable> {
         R r = JSONUtil.getSuccessMsg(null);
 
         DevRoomVO devRoomVO = baseDAO.queryByKey(DevRoomVO.class, "dev_id", dev_id);
-        if (devRoomVO == null || devRoomVO.getRoom_params() == null || devRoomVO.getRoom_params().length() == 0 ) {
+        if (devRoomVO == null) {
             r = JSONUtil.getErrorMsg("房间信息不存在");
             return r;
         }