diff --git a/business/partner/purchase/jx/localjx/order.go b/business/partner/purchase/jx/localjx/order.go
index 1724eed6f..95252b9c5 100644
--- a/business/partner/purchase/jx/localjx/order.go
+++ b/business/partner/purchase/jx/localjx/order.go
@@ -48,6 +48,8 @@ const (
 
 	autoCancelOrderReason   = "支付超时，系统自动取消！"
 	cancelMatterOrderReason = "失败重发！"
+
+	splitMatterOrderMinWeight = 4500 //物料订单分包最少要4.5kg
 )
 
 type JxSkuInfo struct {
@@ -841,7 +843,7 @@ func orderSolutionForWuLiao(order *model.GoodsOrder) (err error) {
 		order.WaybillVendorID = model.VendorIDJDWL
 		dao.UpdateEntity(db, order, "WaybillVendorID")
 		orderSkus := goods[0].Skus
-		if order.Weight <= 5000 { //如果总重量小于5kg就直接发单
+		if order.Weight <= splitMatterOrderMinWeight { //2020-04-26, 从5kg 改为小于4.5kg
 			var (
 				goodsNos   []string
 				prices     []string
@@ -1540,7 +1542,7 @@ func loop2(weightList []*JxSkuInfo2, storeID int, weight *int) (outOrder *JxOrde
 	outOrder = &JxOrderInfo{}
 	outOrder.StoreID = storeID
 	sum3 := 0
-	if *weight <= 5000 {
+	if *weight <= splitMatterOrderMinWeight {
 		for i := 0; i < len(weightList); i++ {
 			buildOutOrderSkus(weightList[i], outOrder)
 		}