fix: 战力缩放

shared/db/GroupMail.ts

@@ -1,9 +1,8 @@
 import BaseModel from './BaseModel';
 import { index, getModelForClass, prop, DocumentType } from '@typegoose/typegoose';
 import { nowSeconds } from '../pubUtils/timeUtil';
-import { SrvRecord } from 'dns';
 import { MAIL_STATUS } from '../consts/constModules/mailConst';
-import { select } from 'underscore';
+
 class RewardInter {
     id: number;
     count: number;