修复：产品管理搜索

src/main/resources/mapper/ProductDao.xml

@@ -40,6 +40,7 @@
         set product_name  = #{productName},
             model         = #{model},
             brand_info_id = #{brandInfoId}
+            `type` = #{type}
         where id = #{id}
     </update>
     <update id="updateProductSpec">
@@ -130,7 +131,7 @@
                 and ps.product_name like CONCAT ('%',#{productName},'%')
             </if>
             <if test="type != null">
-                and `type` = #{type}
+                and `type` = #{type} or `type` is null
             </if>
         </where>
         order by ps.create_time desc