diff --git a/app/api/controller/Merchant.php b/app/api/controller/Merchant.php
index c9f1c23c..066b5fbe 100644
--- a/app/api/controller/Merchant.php
+++ b/app/api/controller/Merchant.php
@@ -77,10 +77,10 @@ class Merchant extends Controller
 
     }
 
-    public function detail(int $merchantId): Json
+    public function detail(int $id): Json
     {
         // 获取商品详情
-        $detail = MerchantModel::detail($merchantId);
+        $detail = MerchantModel::detail($id);
         return $this->renderSuccess(compact('detail'));
     }
 
diff --git a/app/store/controller/Controller.php b/app/store/controller/Controller.php
index 577d18fc..a2e75084 100644
--- a/app/store/controller/Controller.php
+++ b/app/store/controller/Controller.php
@@ -33,7 +33,7 @@ class Controller extends BaseController
     protected int $storeId;
 
     // 当前商户ID
-    protected int $merchantId;
+    protected int $merchantId = 0;
 
     // 当前控制器名称
     protected string $controller = '';
@@ -157,8 +157,9 @@ class Controller extends BaseController
     protected function getMerchantId()
     {
         $user = StoreUserService::getLoginInfo();
-
-        $this->merchantId = MerchantModel::getMerchantId($user['user']['user_name']);
+        if (!empty($user)) {
+            $this->merchantId = MerchantModel::getMerchantId($user['user']['user_name']);
+        }
     }
 
     /**