fix some bug

mall-service/src/main/java/com/txz/mall/controller/ProductController.java

@@ -1,5 +1,6 @@
 package com.txz.mall.controller;
 
+import cn.hutool.core.util.ObjectUtil;
 import com.alibaba.fastjson.annotation.JSONField;
 import com.baomidou.mybatisplus.core.toolkit.CollectionUtils;
 import com.github.pagehelper.PageHelper;
@@ -113,6 +114,9 @@ public class ProductController {
         if (StringUtils.isNotBlank(dto.getStoreName())) {
             criteria.andLike("storeName", "%" + dto.getStoreName() + "%");
         }
+        if (ObjectUtil.isNotNull(dto.getId())) {
+            criteria.andEqualTo("id", dto.getId());
+        }
         if (StringUtils.isNotBlank(dto.getItemNumber())) {
             criteria.andLike("itemNumber", "%" + dto.getItemNumber() + "%");
         }