fix

cooleshow-user/user-biz/src/main/java/com/yonge/cooleshow/biz/dal/service/impl/TeacherServiceImpl.java

@@ -1238,7 +1238,13 @@ public class TeacherServiceImpl extends ServiceImpl<TeacherDao, Teacher> impleme
     }
 
     private void sendBindUnBindSMS(Long userId, String phone, MessageTypeEnum messageType, Long tenantId) {
+        if (tenantId == null ){
+            return;
+        }
         TenantInfo tenantInfo = tenantInfoService.getById(tenantId);
+        if (tenantInfo == null) {
+            return;
+        }
         Map<Long, String> receivers = new HashMap<>();
         receivers.put(userId, phone);
         sysMessageService.batchSendMessage(MessageSenderPluginContext.MessageSender.AWSMS, messageType,