diff --git a/app/Constants/ErrorCode.php b/app/Constants/ErrorCode.php
index ca97510..205e0b8 100644
--- a/app/Constants/ErrorCode.php
+++ b/app/Constants/ErrorCode.php
@@ -54,4 +54,9 @@ class ErrorCode extends AbstractConstants
      */
     const PAY_FAILURE = 400;
 
+    /**
+     * @Message("Goods failure!")
+     */
+    const GOODS_FAILURE = 700;
+
 }
diff --git a/app/Controller/PurchaseLimitController.php b/app/Controller/PurchaseLimitController.php
new file mode 100644
index 0000000..d56ca24
--- /dev/null
+++ b/app/Controller/PurchaseLimitController.php
@@ -0,0 +1,29 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Controller;
+
+use Hyperf\Di\Annotation\Inject;
+use App\Service\PurchaseLimitServiceInterface;
+use App\Constants\ErrorCode;
+class PurchaseLimitController extends BaseController
+{
+
+    /**
+     * @Inject
+     * @var PurchaseLimitServiceInterface
+     */
+    protected $purchaseLimitService;
+
+
+    public function addShopCar()
+    {
+        $res = $this->purchaseLimitService->addShopCar($this->request->all());
+        if (!$res) {
+            return $this->result(ErrorCode::GOODS_FAILURE, '', '商品已超过购买数量');
+        }
+        return $this->success($res);
+    }
+
+}
diff --git a/app/Service/PurchaseLimitService.php b/app/Service/PurchaseLimitService.php
new file mode 100644
index 0000000..c6b1ffe
--- /dev/null
+++ b/app/Service/PurchaseLimitService.php
@@ -0,0 +1,17 @@
+<?php
+
+namespace App\Service;
+
+
+
+class PurchaseLimitService implements PurchaseLimitServiceInterface
+{
+    public function addShopCar($params)
+    {
+        if($params['goods_id'] == 1561){
+            return false;
+        }else{
+            return '加入购物车成功';
+        }
+    }
+}
\ No newline at end of file
diff --git a/app/Service/PurchaseLimitServiceInterface.php b/app/Service/PurchaseLimitServiceInterface.php
new file mode 100644
index 0000000..03e6f08
--- /dev/null
+++ b/app/Service/PurchaseLimitServiceInterface.php
@@ -0,0 +1,10 @@
+<?php
+
+
+namespace App\Service;
+
+
+interface PurchaseLimitServiceInterface
+{
+    public function addShopCar($params);
+}
\ No newline at end of file
diff --git a/config/autoload/dependencies.php b/config/autoload/dependencies.php
index 0f7e101..893f000 100644
--- a/config/autoload/dependencies.php
+++ b/config/autoload/dependencies.php
@@ -25,5 +25,5 @@ return [
     \App\Service\MqttServiceInterface::class => \App\Service\MqttSpeakerService::class,
     \App\Service\FeiePrintServiceInterface::class => \App\Service\FeiePrintService::class,
     \App\Service\MiniprogramServiceInterface::class => \App\Service\MiniprogramService::class,
-    \App\Service\UserServiceInterface::class => \App\Service\UserService::class,
+    \App\Service\PurchaseLimitServiceInterface::class => \App\Service\PurchaseLimitService::class,
 ];
diff --git a/config/routes.php b/config/routes.php
index b68b0e4..b2093b6 100644
--- a/config/routes.php
+++ b/config/routes.php
@@ -54,6 +54,9 @@ Router::addGroup('/v1/',function (){
     //小程序支付相关
     Router::post('wxminipay/online', 'App\Controller\PaymentController@wxminiPayOnline');
     Router::post('wxminipay/offline', 'App\Controller\PaymentController@wxminiPayOffline');
+
+    //加入购物车
+    Router::post('PurchaseLimit/addShopCar', 'App\Controller\PurchaseLimitController@addShopCar');
 },['middleware' => [\App\Middleware\Auth\ApiMiddleware::class]]);
 
 Router::addGroup('/wechat/',function () {