diff --git a/business/partner/delivery/delivery.go b/business/partner/delivery/delivery.go
index 60e82ff35..50e9ef1c1 100644
--- a/business/partner/delivery/delivery.go
+++ b/business/partner/delivery/delivery.go
@@ -17,7 +17,7 @@ import (
 const (
 	warningDistance = 10        // 公里
 	warningWeight   = 50 * 1000 // 克
-	maxDiffFee2Mtps = 500       // 与美团配送最多差价
+	maxDiffFee2Mtps = 200       // 与美团配送最多差价
 	maxAddFee       = 200       // 最大增加费用，单位为分，超过不发三方配送了
 )