diff --git a/shared/db/CounterAuction.ts b/shared/db/CounterAuction.ts
index 8d444452d..c89b1dcd0 100644
--- a/shared/db/CounterAuction.ts
+++ b/shared/db/CounterAuction.ts
@@ -4,7 +4,7 @@ import { index, getModelForClass, prop, DocumentType } from '@typegoose/typegoos
 /**
   * 自增 ID
 */
-@index({ sourceType: 1, time: 1, id: 1 })
+@index({ beginTime: 1, id: 1 })
 export default class CounterLots extends BaseModel {
 
   @prop({ required: true })