diff --git a/shared/db/UserLog.ts b/shared/db/UserLog.ts
index b6847ccdc..5bcd9050d 100644
--- a/shared/db/UserLog.ts
+++ b/shared/db/UserLog.ts
@@ -2,7 +2,7 @@ import BaseModel from './BaseModel';
 import { index, getModelForClass, prop, DocumentType } from '@typegoose/typegoose';
 import { SearchUserLogParam } from '../domain/backEndField/search';
 
-class Reward {
+class MalReward {
     @prop({ required: true })
     id: number;
     @prop({ required: true })
@@ -89,8 +89,8 @@ export default class UserLog extends BaseModel {
     @prop({ required: false })
     mailId: string;               // 邮件id
 
-    @prop({ required: false, type: Reward, _id: false })
-    goods: Reward[];               // 邮件附带道具
+    @prop({ required: false, type: MalReward, _id: false })
+    goods: MalReward[];               // 邮件附带道具
 
     @prop({ required: false })
     mailContent: string;               // 邮件正文