diff --git a/app/api/controller/CartController.php b/app/api/controller/CartController.php
index fdc2ebf..5758cdb 100644
--- a/app/api/controller/CartController.php
+++ b/app/api/controller/CartController.php
@@ -55,13 +55,13 @@ class CartController extends BaseApiController
         $post = $this->request->post();
         $check = $this->validate($post, 'app\api\validate\Cart.change');
         if ($check !== true) {
-            $this->_error($check);
+            $this->fail($check);
         }
         $res = CartLogic::change($post['cart_id'], $post['goods_num']);
         if ($res === true) {
-            $this->_success();
+            $this->success();
         }
-        $this->_error($res);
+        $this->fail($res);
     }
 
 
@@ -70,12 +70,12 @@ class CartController extends BaseApiController
         $post = $this->request->post();
         $check = $this->validate($post, 'app\api\validate\Cart.del');
         if (true !== $check) {
-            $this->_error($check);
+            $this->fail($check);
         }
-        if (CartLogic::del($post['cart_id'], $this->user_id)) {
-            $this->_success('删除成功');
+        if (CartLogic::del($post['cart_id'], $this->userId)) {
+            $this->success('删除成功');
         }
-        $this->_error('删除失败');
+        $this->fail('删除失败');
     }
 
 
@@ -84,15 +84,15 @@ class CartController extends BaseApiController
         $post = $this->request->post();
         $check = $this->validate($post, 'app\api\validate\Cart.selected');
         if (true !== $check) {
-            $this->_error($check);
+            $this->fail($check);
         }
-        CartLogic::selected($post, $this->user_id);
-        $this->_success();
+        CartLogic::selected($post, $this->userId);
+        $this->success();
     }
 
 
     public function num()
     {
-        $this->_success('',CartLogic::cartNum($this->user_id));
+        $this->success('',CartLogic::cartNum($this->userId));
     }
 }
\ No newline at end of file