拍卖行：定时刷新、结算和简单测试，个别bug修复

shared/db/Lot.ts

@@ -107,6 +107,11 @@ export default class Lot extends BaseModel {
         const result: LotType = await LotModel.findOneAndUpdate({ code }, { auctionStage }).select('-_id -__v').lean();
         return result;
     }
+
+    public static async updateLotsStageByBegin(begin: Date, auctionStage: number) {
+        const results = await LotModel.updateMany({ begin }, { auctionStage }).select('-_id -__v').lean();
+        return results;
+    }
 }
 
 export const LotModel = getModelForClass(Lot);