fix pvp战报覆盖bug

shared/db/PvpRecord.ts

@@ -1,6 +1,7 @@
 import BaseModel from './BaseModel';
 import { index, getModelForClass, prop, DocumentType } from '@typegoose/typegoose';
 import { getBeforeDayDate } from '../pubUtils/timeUtil';
+import { genCode } from '../pubUtils/util';
 
 export class HeroesRecord {
     @prop({ required: true, default: 0 })
@@ -65,7 +66,8 @@ export default class PvpRecord extends BaseModel {
 
     public static async createRec(param: { roleId1: string, roleId2: string, warId: number, attackInfo: PlayerInfo, defenseInfo: PlayerInfo, createTime: number }) {
         await this.delPvpRecords();
-        const result = await PvpRecordModel.findOneAndUpdate({}, param, { new: true, upsert: true }).lean();
+        let code = genCode(6);
+        const result = await PvpRecordModel.findOneAndUpdate({ code }, param, { new: true, upsert: true }).lean();
         return result;
     }