redisCache对象返回

mp-service/src/main/java/com/qs/mp/user/service/impl/UserTicketOrderServiceImpl.java

@@ -213,7 +213,7 @@ public class UserTicketOrderServiceImpl extends
     Ticket ticket = ticketService.getById(orderSettleVO.getTicketId());
     Assert.isTrue(ticket.getStatus() == TicketStatusEnum.NOT_PAY,
         "盲票已付款，ticketId:" + ticket.getTicketId());
-    if (redisCache.getCacheObject(
+    if (null != redisCache.getCacheObject(
         RedisKey.build(RedisKey.OFFLINE_TICKET_ID_KEY, ticket.getTicketId()))) {
       LogUtil.error(logger, "线下盲票重复购买，ticketNo:", ticket.getSerialNo());
       throw new ServiceException("重复购买，请稍后再试");