diff --git a/business/partner/delivery/rider.go b/business/partner/delivery/rider.go
index 1843de229..12459cfa0 100644
--- a/business/partner/delivery/rider.go
+++ b/business/partner/delivery/rider.go
@@ -520,8 +520,8 @@ func UpdateFakeWayBillToTiktok() {
 		//float64(nowTime)/float64(allTime)
 		randNumber, _ := rand.Int(rand.Reader, big.NewInt(800))
 		randTime := randNumber.Int64()
-		if randTime < 400 {
-			randTime += 400
+		if randTime < 300 {
+			randTime += 300
 		}
 
 		if fakeWayBill[i].Status == model.WaybillStatusDelivered && order.ExpectedDeliveredTime.Unix()-time.Now().Unix() <= 120 {