添加索引：Role->roleName, SystemConfig->seasonNum

shared/db/Role.ts

@@ -97,6 +97,7 @@ export class Teraph {
   * 角色字段接口
 */
 @index({ roleId: 1 })
+@index({ roleName: 1 })
 @index({ serverId: 1, roleId: 1 })
 @index({ towerLv: -1, towerUpTime: 1 })
 // @index({ userInfo.uid: 1, serverId: 1 })

shared/db/SystemConfig.ts

@@ -4,6 +4,7 @@ import { CounterModel } from './Counter';
 import { COUNTER } from '../consts';
 
 @index({ id: 1 })
+@index({ seasonNum: 1 })
 export default class PVPConfig extends BaseModel {
     @prop({ required: true, default: 1 })
     id: number;