优化代码

mec-biz/src/main/java/com/ym/mec/biz/service/impl/MemberRankSettingServiceImpl.java

@@ -451,7 +451,9 @@ public class MemberRankSettingServiceImpl extends BaseServiceImpl<Integer, Membe
         cloudTeacherOrderService.insert(cto);
         //修改student 查询学生现在的会员过期没，如果过期了就按现在时间来，如果没过期就在结束时间上叠加
         logger.info("orderCallback >>> member MembershipStartTime {} now {}", student.getMembershipStartTime(), now);
-        if (Objects.nonNull(student.getMembershipStartTime()) && student.getMembershipEndTime().getTime() >= now.toDate().getTime()) {
+        if (Objects.nonNull(student.getMembershipStartTime())
+                && Objects.nonNull(student.getMembershipEndTime())
+                && student.getMembershipEndTime().getTime() >= now.toDate().getTime()) {
             student.setMembershipEndTime(DateUtil.addMonths(student.getMembershipEndTime(), cto.getTime()));
         } else {
             student.setMembershipStartTime(cto.getStartTime());