doudou 接口

liquidnet-bus-service/liquidnet-service-sweet/src/main/java/com/liquidnet/service/sweet/service/impl/SweetDoudouServiceImpl.java

@@ -51,7 +51,7 @@ public class SweetDoudouServiceImpl extends ServiceImpl<SweetDoudouMapper, Sweet
     public ResponseDto<SweetDouDouVo> create(SweetDouDouParam param) {
         String uid = CurrentUtil.getCurrentUid();
         SweetDouDouVo vo = redisDataUtils.getSweetDouDou(uid);
-        if (null == vo) {
+        if (null != vo) {
             return ResponseDto.failure("您已经预约过啦~");
         }
         String nextSnowId = IDGenerator.nextSnowId();