diff --git a/business/partner/purchase/ebai/order.go b/business/partner/purchase/ebai/order.go
index 9721ff367..aa582fc9e 100644
--- a/business/partner/purchase/ebai/order.go
+++ b/business/partner/purchase/ebai/order.go
@@ -324,7 +324,7 @@ func (p *PurchaseHandler) Swtich2SelfDeliver(order *model.GoodsOrder, userName s
 		if err = api.EbaiAPI.OrderSwitchselfdelivery(order.VendorOrderID); err != nil {
 			if utils.IsErrMatch(err, "301251", nil) {
 				if deliveryStatus, err2 := api.EbaiAPI.OrderDeliveryGet(order.VendorOrderID); err2 == nil {
-					if utils.Interface2String(deliveryStatus["status"]) == ebaiapi.WaybillStatusSelfDelivery {
+					if utils.Int64ToStr(utils.MustInterface2Int64(deliveryStatus["status"])) == ebaiapi.WaybillStatusSelfDelivery {
 						err = nil
 					}
 				}