diff --git a/app/Controller/PurchaseLimitController.php b/app/Controller/PurchaseLimitController.php
index d56ca24..3f9abf7 100644
--- a/app/Controller/PurchaseLimitController.php
+++ b/app/Controller/PurchaseLimitController.php
@@ -26,4 +26,13 @@ class PurchaseLimitController extends BaseController
         return $this->success($res);
     }
 
+    public function updateShopCar()
+    {
+        $res = $this->purchaseLimitService->updateShopCar($this->request->all());
+        if (!$res) {
+            return $this->result(ErrorCode::GOODS_FAILURE, '', '更新购物车失败');
+        }
+        return $this->success($res);
+    }
+
 }
diff --git a/app/Service/PurchaseLimitService.php b/app/Service/PurchaseLimitService.php
index c6b1ffe..88b3795 100644
--- a/app/Service/PurchaseLimitService.php
+++ b/app/Service/PurchaseLimitService.php
@@ -8,10 +8,19 @@ class PurchaseLimitService implements PurchaseLimitServiceInterface
 {
     public function addShopCar($params)
     {
-        if($params['goods_id'] == 1561){
+        if($params['good_id'] == 1561){
             return false;
         }else{
             return '加入购物车成功';
         }
     }
+
+    public function updateShopCar($params)
+    {
+        if($params['good_id'] == 1561){
+            return false;
+        }else{
+            return '更新购物车成功';
+        }
+    }
 }
\ No newline at end of file
diff --git a/app/Service/PurchaseLimitServiceInterface.php b/app/Service/PurchaseLimitServiceInterface.php
index 03e6f08..79f3df3 100644
--- a/app/Service/PurchaseLimitServiceInterface.php
+++ b/app/Service/PurchaseLimitServiceInterface.php
@@ -7,4 +7,6 @@ namespace App\Service;
 interface PurchaseLimitServiceInterface
 {
     public function addShopCar($params);
+
+    public function updateShopCar($params);
 }
\ No newline at end of file
diff --git a/config/routes.php b/config/routes.php
index b2093b6..28f4299 100644
--- a/config/routes.php
+++ b/config/routes.php
@@ -57,6 +57,7 @@ Router::addGroup('/v1/',function (){
 
     //加入购物车
     Router::post('PurchaseLimit/addShopCar', 'App\Controller\PurchaseLimitController@addShopCar');
+    Router::post('PurchaseLimit/updateShopCar', 'App\Controller\PurchaseLimitController@updateShopCar');
 },['middleware' => [\App\Middleware\Auth\ApiMiddleware::class]]);
 
 Router::addGroup('/wechat/',function () {