【更新】中英文链接

README.md

@@ -1,5 +1,7 @@
 # OTA Downloader
 
+[Chinese](README_ZH.md) | English
+
 ## 1. Introduction
 
 This software package is a firmware downloader for OTA upgrade. The downloader provides multiple firmware download methods. Developers can flexibly choose the upgrade method according to their own needs. Each upgrade method only needs to call a function or command once. The currently supported download methods are as follows:

README_ZH.md

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 # OTA Downloader
 
+中文页 | [英文页](README.md)
+
 ## 1、介绍
 
 本软件包是用于 OTA 升级的固件下载器，该下载器提供多种固件下载方式。开发者可以根据自己的需求灵活选择升级方式，每种升级方式都只需调用一次函数或者命令就可实现，目前支持的下载方式如下所示：