diff --git a/app/controller/api/Auth.php b/app/controller/api/Auth.php
index ea1789ef..d5cd50c0 100644
--- a/app/controller/api/Auth.php
+++ b/app/controller/api/Auth.php
@@ -280,6 +280,15 @@ class Auth extends BaseController
         if (!$merchant) {
             return app('json')->fail('用户店铺异常');
         }
+        $merchantTypeInfo = Db::name('merchant_type')->where('mer_type_id', $merchant['type_id'])->find();
+        if ($merchantTypeInfo['first_margin'] > 0) {
+            if ($merchant['first_margin_status']) {
+                $merchant['margin'] = bcsub($merchant['margin'], $merchantTypeInfo['first_margin'], 2);
+            } else {
+                $merchant['margin'] = $merchantTypeInfo['first_margin'];
+            }
+        }
+        
         $repository = app()->make(StoreOrderRepository::class);
         $orderSn = "bzj" . date('YmdHis') . uniqid();
         Db::name('margin_order')->insert([