diff --git a/business/partner/purchase/ebai/order.go b/business/partner/purchase/ebai/order.go
index 03a58d993..5bb422226 100644
--- a/business/partner/purchase/ebai/order.go
+++ b/business/partner/purchase/ebai/order.go
@@ -184,7 +184,7 @@ func (p *PurchaseHandler) Map2Order(orderData map[string]interface{}) (order *mo
 		ExpectedDeliveredTime: getTimeFromInterface(orderMap["send_time"]),
 		PickDeadline:          utils.DefaultTimeValue,
 		VendorStatus:          utils.Int64ToStr(utils.MustInterface2Int64(orderMap["status"])),
-		OrderSeq:              int(utils.Str2Int64(utils.Interface2String(orderMap["order_index"]))),
+		OrderSeq:              int(utils.ForceInterface2Int64(orderMap["order_index"])),
 		StatusTime:            getTimeFromInterface(orderMap["create_time"]),
 		OrderCreatedAt:        getTimeFromInterface(orderMap["create_time"]),
 		OriginalData:          string(utils.MustMarshal(result)),