学员退团不更新CloudTeacher

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

@@ -192,11 +192,13 @@ public class CloudTeacherOrderServiceImpl extends BaseServiceImpl<Long, CloudTea
             }
             int days = DateUtil.daysBetween(DateUtil.trunc(nowDate), cloudTeacherOrder.getEndTime());
             CloudTeacher cloudTeacher = cloudTeacherDao.getByStudentId(cloudTeacherOrder.getStudentId());
-            Date endDate = DateUtil.addDays(cloudTeacherOrder.getEndTime(), -days);
-            cloudTeacher.setEndTime(endDate);
-            cloudTeacher.setUpdateTime(nowDate);
-            if (cloudTeacherDao.update(cloudTeacher) <= 0) {
-                throw new BizException("云教练服务有效期更新失败，请重试");
+            if(cloudTeacher != null){
+                Date endDate = DateUtil.addDays(cloudTeacherOrder.getEndTime(), -days);
+                cloudTeacher.setEndTime(endDate);
+                cloudTeacher.setUpdateTime(nowDate);
+                if (cloudTeacherDao.update(cloudTeacher) <= 0) {
+                    throw new BizException("云教练服务有效期更新失败，请重试");
+                }
             }
         }
         return true;