diff --git a/erp/shipment/mixed.go b/erp/shipment/mixed.go
index 88b3092..72e7de7 100644
--- a/erp/shipment/mixed.go
+++ b/erp/shipment/mixed.go
@@ -49,11 +49,11 @@ type ArgsMixedGen struct {
 }
 
 // Gen @TITLE 生成
-func (m *mixed) Gen(ctx context.Context, args ArgsMixedGen) error {
+func (m *mixed) Gen(ctx context.Context, args ArgsMixedGen) (mixedId int64, err error) {
 	xClient, err := client.GetClient(m)
 	if err != nil {
-		return err
+		return mixedId, err
 	}
-	reply := 0
-	return xClient.Call(ctx, "Gen", args, &reply)
+	err = xClient.Call(ctx, "Gen", args, &mixedId)
+	return
 }