bug修改

@@ -363,9 +363,14 @@ class Order extends Api
      */
     public function chooseCoupon()
     {
+        $model = new UserCoupon();
+
+        // 更新已过期状态
+        $model->where('status','0')->where('user_id',$this->auth->id)->update(['status'=>'2']);
+
         $price = $this->request->post('price');
         if (!is_numeric($price)) $this->error('订单价格不合法');
-        $model = new UserCoupon();
+
         $list = $model
             ->where('status','0')
             ->where('user_id',$this->auth->id)