允许没有管理员的企业更换管理员

sso-manage-console/src/main/java/com/uas/sso/sso/backend/service/impl/AppealServiceImpl.java

@@ -241,8 +241,10 @@ public class AppealServiceImpl implements AppealService {
             record.setSponsorName(appeal.getContactName());
             record.setSponsorTel(appeal.getContactTel());
             record.setLaunchTime(new Date());
-            record.setOldAdminName(oldAdmin.getVipName());
-            record.setOldAdminTel(oldAdmin.getMobile());
+            if (oldAdmin != null) {
+                record.setOldAdminName(oldAdmin.getVipName());
+                record.setOldAdminTel(oldAdmin.getMobile());
+            }
 
             record.setAuditorName("系统管理员");
             record.setAuditorTel("123456789");