diff --git a/app/Endpoint/Api/Http/Controllers/ShoppingCartItemController.php b/app/Endpoint/Api/Http/Controllers/ShoppingCartItemController.php
index c2cdc90c..b46a2c85 100644
--- a/app/Endpoint/Api/Http/Controllers/ShoppingCartItemController.php
+++ b/app/Endpoint/Api/Http/Controllers/ShoppingCartItemController.php
@@ -3,7 +3,7 @@
 namespace App\Endpoint\Api\Http\Controllers;
 
 use App\Endpoint\Api\Http\Resources\ShoppingCartItemResource;
-use App\Exceptions\BizException;
+use App\Exceptions\ProductOfflineException;
 use App\Models\ProductSku;
 use Illuminate\Http\Request;
 
@@ -38,7 +38,7 @@ class ShoppingCartItemController extends Controller
         $sku = ProductSku::whereRelation('category', 'is_show', true)->online()->find($input['sku_id']);
 
         if ($sku === null) {
-            throw new BizException(__('Product has been removed'));
+            throw new ProductOfflineException();
         }
 
         $item = $request->user()->shoppingCartItems()->firstOrCreate([
diff --git a/app/Exceptions/ProductOfflineException.php b/app/Exceptions/ProductOfflineException.php
new file mode 100644
index 00000000..0e872059
--- /dev/null
+++ b/app/Exceptions/ProductOfflineException.php
@@ -0,0 +1,11 @@
+<?php
+
+namespace App\Exceptions;
+
+class ProductOfflineException extends BizException
+{
+    public function __construct(string $message = '商品已下架')
+    {
+        parent::__construct($message);
+    }
+}
diff --git a/resources/lang/zh_CN.json b/resources/lang/zh_CN.json
index 1b7679cf..bf3c3ebc 100644
--- a/resources/lang/zh_CN.json
+++ b/resources/lang/zh_CN.json
@@ -6,7 +6,6 @@
     "Invalid verification code type": "无效的验证码类型",
     "Invalid old password": "原密码错误",
     "Inviter does not exist": "邀请人不存在",
-    "Product has been removed": "商品已下架",
     "Registration failed, please try again": "注册失败，请重试",
     "Sending too frequently, please try again later": "发送过于频繁，请稍后再试",
     "The phone number is already registered": "手机号码已被注册",