bug修复

ruoyi-common/ruoyi-common-ys/src/main/java/org/dromara/common/ys/service/impl/HotelServiceImpl.java

@@ -38,6 +38,9 @@ public class HotelServiceImpl implements IHotelService {
         if (!CharSequenceUtil.equals(res.getErrCode(), Code.SUCCESS.getCode())) {
             throw new RuntimeException(res.getTips());
         }
+        if (res.getData() == null) {
+            return null;
+        }
         return JSON.parseObject(JSON.parseObject(res.getData()).toJSONString(), HotelDetailModel.class);
     }