diff --git a/app/Admin/Controllers/User/IndexController.php b/app/Admin/Controllers/User/IndexController.php
index 586fcf8..1de399e 100644
--- a/app/Admin/Controllers/User/IndexController.php
+++ b/app/Admin/Controllers/User/IndexController.php
@@ -97,7 +97,7 @@ class IndexController extends AdminController
 
         $grid->column('门店号')->display(function () {
             return $this->shop_id ?? '---';
-        });
+        })->help('银联pos机配置的门店号');
 
         $grid->column('所属项目')->display(function () {
             return $this->type_text;
diff --git a/app/Models/Coupon.php b/app/Models/Coupon.php
index 8d5a322..d4493fe 100644
--- a/app/Models/Coupon.php
+++ b/app/Models/Coupon.php
@@ -79,7 +79,7 @@ class Coupon extends Model
     public function profit()
     {
         $log = AccountLog::where('source->coupon_id', $this->id)->first();
-        if (!$log && $this->user) {
+        if (!$log && $this->user && $this->profit) {
             return $this->user->account->rule('freeze', $this->profit, false, [
                 'coupon_id'      => $this->id,
                 'redemptionCode' => $this->redemptionCode,