链接: https://pan.baidu.com/s/1-v5oJhMpmXwtsDv-JELuFA
提取码: esj8
每次打开DFU工具都会提示有新版本可以下载，然而这个工具已经是最新版。
GD32 MCU Dfu tool的检查更新的代码已经无效，因为csdn需要https访问，而该工具仍然是http访问，无法获取到网页内容。
对该工具检查更新的代码进行patch如下
位于文件偏移 39E0 的 CheckUpdateThread 函数前面指令 55 8B EC(push ebp; mov ebp,esp) 改成 C2 04 00 (retn)
保存为 GD32 MCU Dfu Tool.exe
未做其他修改，原始下载链接
GD32 MCU Dfu Tool3.8.2.9056
http://www.gd32mcu.com/download/down/document_id/176/path_type/1
GD32 Dfu Drivers3.6.6.6167
http://www.gd32mcu.com/download/down/document_id/244/path_type/1
by mengxp
20201217
下面是更新抓包
GET /pengxiao618/article/details/19035517 HTTP/1.1
User-Agent: GD32 MCU Dfu Tool
Host: blog.csdn.net
Cookie: uuid_tt_dd=10_220553540-1608171065784-961209; dc_session_id=10_1608171065784.154166
HTTP/1.1 301 Moved Permanently
Server: openresty
Date: Thu, 17 Dec 2020 02:15:16 GMT
Content-Type: text/html
Content-Length: 182
Connection: keep-alive
Keep-Alive: timeout=20
Location: https://blog.csdn.net/pengxiao618/article/details/19035517
<html>
<head><title>301 Moved Permanently</title></head>
<body bgcolor="white">
<center><h1>301 Moved Permanently</h1></center>
<hr><center>openresty</center>
</body>
</html>
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