diff --git a/Host/Views.Mobile/Product/Index.cshtml b/Host/Views.Mobile/Product/Index.cshtml
index fc2efd5..769e635 100644
--- a/Host/Views.Mobile/Product/Index.cshtml
+++ b/Host/Views.Mobile/Product/Index.cshtml
@@ -955,6 +955,10 @@
                 }
             },
             pay_page(){
+                if (this.province_city.surplus_out_total < this.order_info.buy_num>){
+                    alert('节点数量不足！');
+                    return;
+                }
                 if (this.order_info.package_id == '') {
                     alert('请选择套餐！');
                     return;
diff --git a/Host/Views/Product/Index.cshtml b/Host/Views/Product/Index.cshtml
index 48ecce7..5f371f3 100644
--- a/Host/Views/Product/Index.cshtml
+++ b/Host/Views/Product/Index.cshtml
@@ -1296,6 +1296,10 @@
                 }
             },
             pay_page(){
+                if (this.province_city.surplus_out_total < this.order_info.buy_num>){
+                    alert('节点数量不足！');
+                    return;
+                }
                 if (this.order_info.package_id == '') {
                     alert('请选择套餐！');
                     return;