小票打印bug修复

src/main/resources/mapper/TbProductMapper.xml

@@ -543,11 +543,13 @@
 	group by shop_id,product_id
   </select>
 
+  <!--
   <update id="updateStockById">
     update tb_product
     set stock_number = stock_number - #{num,jdbcType=INTEGER}
     where id = #{productId}
   </update>
+  -->
 
   <select id="selectBySkuId" resultType="com.chaozhanggui.system.cashierservice.entity.po.ProConsSkuInfo">
     SELECT