diff --git a/app/controller/admin/system/merchant/Merchant.php b/app/controller/admin/system/merchant/Merchant.php
index 1e813551..14dbbc9d 100644
--- a/app/controller/admin/system/merchant/Merchant.php
+++ b/app/controller/admin/system/merchant/Merchant.php
@@ -147,6 +147,7 @@ class Merchant extends BaseController
         $margin = $this->repository->checkMargin($id, $data['type_id']);
         $data['margin'] = $margin['margin'];
         $data['is_margin'] = $margin['is_margin'];
+        $data['ot_margin'] = $data['paid_margin'];
         $datas=$data;
         $this->repository->update($id, $datas);
         return app('json')->success('编辑成功');