diff --git a/library/think/Response.php b/library/think/Response.php
index a59e23e5..31052b84 100644
--- a/library/think/Response.php
+++ b/library/think/Response.php
@@ -88,6 +88,7 @@ class Response
      * @access public
      * @param mixed $data 数据
      * @return mixed
+     * @throws Exception
      */
     public function send($data = [])
     {
diff --git a/library/think/controller/Rest.php b/library/think/controller/Rest.php
index e88826d9..ebf53be8 100644
--- a/library/think/controller/Rest.php
+++ b/library/think/controller/Rest.php
@@ -57,12 +57,10 @@ abstract class Rest
     /**
      * REST 调用
      * @access public
-     *
      * @param string $method 方法名
      * @param array  $args   参数
-     *
      * @return mixed
-     * @throws \think\Exception
+     * @throws \Exception
      */
     public function _empty($method, $args)
     {
@@ -88,7 +86,7 @@ abstract class Rest
      * @param mixed $data 要返回的数据
      * @param String $type 返回类型 JSON XML
      * @param integer $code HTTP状态
-     * @return void
+     * @return Response
      */
     protected function response($data, $type = 'json', $code = 200)
     {
diff --git a/library/think/db/Connection.php b/library/think/db/Connection.php
index b7d94dfb..1b3de0a6 100644
--- a/library/think/db/Connection.php
+++ b/library/think/db/Connection.php
@@ -128,7 +128,7 @@ abstract class Connection
      * 创建指定模型的查询对象
      * @access public
      * @param string $model 模型类名称
-     * @return \think\Query
+     * @return \think\db\Query
      */
     public function model($model)
     {