diff --git a/app/controller/api/store/merchant/Merchant.php b/app/controller/api/store/merchant/Merchant.php
index c421199d..826a6831 100644
--- a/app/controller/api/store/merchant/Merchant.php
+++ b/app/controller/api/store/merchant/Merchant.php
@@ -270,6 +270,9 @@ class Merchant extends BaseController
         }
         $margin = Db::name('MerchantType')->where('mer_type_id', $merchantInfo['type_id'])->value('margin');
         $merchantInfo['unpaid_margin'] = bcsub($margin,$merchantInfo['paid_margin']);
+        if($merchantInfo['margin']==0){
+            $merchantInfo['margin']=$merchantInfo['unpaid_margin'];
+        }
         return app('json')->success($merchantInfo);
     }