商家认证查询优化

vehicle-server/src/main/java/com/chelvc/cloud/vehicle/server/service/impl/MerchantServiceImpl.java

@@ -300,7 +300,7 @@ public class MerchantServiceImpl extends ServiceImpl<MerchantMapper, Merchant> i
     public Pagination<MerchantDTO> getUserMineCartPaging(OmsCartItemPagingParam param) {
         Long userId = SessionContextHolder.getSession().getId();
         List<Long> merchants = this.baseMapper.getMerchantIds(userId);
-        if (merchants == null && merchants.size() > 0) {
+        if (merchants == null && merchants.size() < 1) {
             return null;
         }
         Page<Merchant> page = this.lambdaQuery()