diff --git a/README.en.md b/README.en.md
index 9bc7310..70cb9dc 100644
--- a/README.en.md
+++ b/README.en.md
@@ -43,7 +43,7 @@ What's even better is that its usage is very concise and user-friendly, with a s
 
 The following code implements exactly the same function, comparing the code amounts of the two:
 
-1. Find the element whose first text contains 'some text'
+1. Use explicit wait to find all elements whose text contains 'some text'
 
 ```python
 # selenium:
@@ -850,7 +850,7 @@ Parameter Description:
 
 ### download
 
-​	download(file_url: str, goal_path: str = None, rename: str = None, show_msg: bool = False, **kwargs) -> tuple
+​	download(file_url: str, goal_path: str = None, rename: str = None, file_exists: str = 'rename', show_msg: bool = False, **kwargs) -> tuple
 
 ​	Download a file, return success and download information string. Changing the method will automatically avoid renaming the existing file in the target path.
 
@@ -858,7 +858,8 @@ Parameter Description:
 
 - file_url - File URL
 - goal_path - Storage path, the default is the temporary folder specified in the ini file
-- rename - Rename the file name, not renamed by default
+- rename - Rename the file without changing the extension
+- file_exists - If there is a file with the same name, you can choose 'rename', 'overwrite', 'skip' to process
 - show_msg - Show download massage or not.
 - kwargs - Connection parameters for requests
 
diff --git a/README.zh-cn.md b/README.zh-cn.md
index eabfb2c..2d5a3a4 100644
--- a/README.zh-cn.md
+++ b/README.zh-cn.md
@@ -41,7 +41,7 @@ DrissionPage，即driver和session的合体，是个基于python的Web自动化
 
 以下代码实现一模一样的功能，对比两者的代码量：
 
-1. 查找所有文本包含some text的元素
+1. 用显性等待方式查找所有文本包含some text的元素
 
 ```python
 # selenium:
@@ -849,7 +849,7 @@ MixPage封装了页面操作的常用功能，可在driver和session模式间无
 
 ### download
 
-​	download(file_url: str, goal_path: str = None, rename: str = None, show_msg: bool = False, **kwargs) -> tuple
+​	download(file_url: str, goal_path: str = None, rename: str = None, file_exists: str = 'rename', show_msg: bool = False, **kwargs) -> tuple
 
 ​	下载一个文件，返回是否成功和下载信息字符串。改方法会自动避免和目标路径现有文件重名。
 
@@ -857,7 +857,8 @@ MixPage封装了页面操作的常用功能，可在driver和session模式间无
 
 - file_url - 文件URL
 - goal_path - 存放路径，默认为ini文件中指定的临时文件夹
-- rename - 重命名文件名，默认不重命名
+- rename - 重命名文件，不改变扩展名
+- file_exists - 若存在同名文件，可选择'rename', 'overwrite', 'skip'方式处理
 - show_msg - 是否显示下载信息
 - kwargs - 用于requests的连接参数