diff --git a/business/partner/delivery/rider.go b/business/partner/delivery/rider.go
index 23a112904..1843de229 100644
--- a/business/partner/delivery/rider.go
+++ b/business/partner/delivery/rider.go
@@ -518,10 +518,10 @@ func UpdateFakeWayBillToTiktok() {
 		//allTime := order.ExpectedDeliveredTime.Unix() - order.OrderCreatedAt.Unix()
 		//nowTime := time.Now().Unix() - order.OrderCreatedAt.Unix()
 		//float64(nowTime)/float64(allTime)
-		randNumber, _ := rand.Int(rand.Reader, big.NewInt(900))
+		randNumber, _ := rand.Int(rand.Reader, big.NewInt(800))
 		randTime := randNumber.Int64()
-		if randTime < 480 {
-			randTime += 480
+		if randTime < 400 {
+			randTime += 400
 		}
 
 		if fakeWayBill[i].Status == model.WaybillStatusDelivered && order.ExpectedDeliveredTime.Unix()-time.Now().Unix() <= 120 {