diff --git a/service/repositories/order.go b/service/repositories/order.go
index b030fdf4..ed8a7522 100644
--- a/service/repositories/order.go
+++ b/service/repositories/order.go
@@ -1047,7 +1047,7 @@ func (d *defaultOrder) CreatePrePaymentByBalance(ctx context.Context, in *Create
 	payConfig := &pay.Config{}
 	payConfig.Stripe.PayType = "intent"
 	payConfig.Stripe.Key = in.StripeKey
-	var metadata = make(map[string]string, 2)
+	var metadata = make(map[string]string, 4)
 	metadata["model"] = "product_order"
 	metadata["order_sn"] = in.OrderSn
 	metadata["pay_stage"] = "remaining_balance"
@@ -1216,7 +1216,7 @@ func (d *defaultOrder) CreatePrePaymentByDeposit(ctx context.Context, in *Create
 	payConfig := &pay.Config{}
 	payConfig.Stripe.PayType = "intent"
 	payConfig.Stripe.Key = in.StripeKey
-	var metadata = make(map[string]string, 2)
+	var metadata = make(map[string]string, 4)
 	metadata["model"] = "product_order"
 	metadata["order_sn"] = in.OrderSn
 	metadata["pay_stage"] = "deposit"