diff --git a/library/think/db/Query.php b/library/think/db/Query.php
index 0f92143a..edeefb72 100644
--- a/library/think/db/Query.php
+++ b/library/think/db/Query.php
@@ -178,16 +178,15 @@ class Query
      * @access public
      * @param string        $sql sql指令
      * @param array         $bind 参数绑定
-     * @param boolean       $fetch 不执行只是获取SQL
      * @param boolean       $master 是否在主服务器读操作
      * @param bool|string   $class 指定返回的数据集对象
      * @return mixed
      * @throws BindParamException
      * @throws PDOException
      */
-    public function query($sql, $bind = [], $fetch = false, $master = false, $class = false)
+    public function query($sql, $bind = [], $master = false, $class = false)
     {
-        return $this->connection->query($sql, $bind, $fetch, $master, $class);
+        return $this->connection->query($sql, $bind, $master, $class);
     }
 
     /**
@@ -195,16 +194,15 @@ class Query
      * @access public
      * @param string    $sql sql指令
      * @param array     $bind 参数绑定
-     * @param boolean   $fetch 不执行只是获取SQL
      * @param boolean   $getLastInsID 是否获取自增ID
      * @param boolean   $sequence 自增序列名
      * @return int
      * @throws BindParamException
      * @throws PDOException
      */
-    public function execute($sql, $bind = [], $fetch = false, $getLastInsID = false, $sequence = null)
+    public function execute($sql, $bind = [], $getLastInsID = false, $sequence = null)
     {
-        return $this->connection->execute($sql, $bind, $fetch, $getLastInsID, $sequence);
+        return $this->connection->execute($sql, $bind, $getLastInsID, $sequence);
     }
 
     /**