submit

zhongzheng-system/src/main/resources/mapper/modules/order/OrderGoodsMapper.xml

@@ -959,7 +959,7 @@
                 AND order_sn = #{orderSn}
             </if>
             <if test="mailStatus != null">
-                AND mail_status = #{mail_status}
+                AND mail_status = #{mailStatus}
             </if>
     </select>