1、优化零售订单小票打印时间，以实际支付时间为准；

app/admin/models/erp_order.go

@@ -2120,6 +2120,7 @@ func QueryErpOrderPayStatus(billSn string) (*ErpOrderPayResp, error) {
 		"total_amount":  hmQueryResp.TotalAmount,
 		"pay_way":       hmQueryResp.PayWayCode,
 		"status":        payStatus,
+		"updated_at":    time.Now(),
 	}
 
 	begin := orm.Eloquent.Begin()
@@ -2134,7 +2135,10 @@ func QueryErpOrderPayStatus(billSn string) (*ErpOrderPayResp, error) {
 	if payStatus == PayOk { // 支付成功
 		// 更新零售订单表
 		err = begin.Model(&ErpOrder{}).Where("id = ?", orderRecordInfo.ErpOrderId).
-			Updates(map[string]interface{}{"pay_status": HavePaid}).Error
+			Updates(map[string]interface{}{
+				"pay_status": HavePaid,
+				"updated_at": time.Now(),
+			}).Error
 		if err != nil {
 			begin.Rollback()
 			logger.Error("query update erp_order_record err:", logger.Field("err", err))
@@ -4910,7 +4914,7 @@ func QueryReceiptData(req *ErpOrderDeleteReq, c *gin.Context) (*ErpOrderReceiptD
 	resp.StoreName = order.StoreName
 	resp.Barcode = order.BillSn
 	resp.OddNum = order.BillSn
-	resp.Time = Now()
+	resp.Time = orders[0].UpdatedAt
 	resp.CollectS = order.MakerName
 
 	commodityMap := make(map[string]TableData, 0)