优惠券使用期限同上下架

src/main/resources/mapper/OrderCommonMapper.xml

@@ -546,7 +546,7 @@
           AND a.status = 1
           AND if(cc.vipFlag = 1,
                  NOW() BETWEEN cc.startDate AND cc.endDate,
-                 NOW() BETWEEN a.createDate AND date_add(a.createDate, interval cc.usePeriod day))
+                 NOW() BETWEEN a.createDate AND if(cc.usePeriod is null,cc.endDate,date_add(a.createDate, interval cc.usePeriod day)))
           AND cc.status != 2
         ORDER BY a.createDate DESC
     </select>