Update readme.md

readme.md

 QQ Group: 943919989  
 Telegram Group: https://t.me/joinchat/I_RVc0bqxuxlT-d0cO7ozw  
 
+### Install program first, then add onedrive in setup after login.  
+### 先安装程序，登录后在设置中添加onedrive。  
+
 # Deploy to heroku  
 Official: https://heroku.com  
 
@@ -20,13 +23,13 @@ How to Install:
     让代码中的config.php文件程序可读写，推荐chmod 666 config.php。  
     5.View the website in chrome or other.  
     在浏览器中访问。  
-    6.Follow the guide, bind your onedrive.  
-    根据引导，绑定你的OneDrive。  
 
 # Deploy to SCF  
 Official: https://cloud.tencent.com/product/scf  
 
-How to Install:  https://service-pgxgvop2-1258064400.ap-hongkong.apigateway.myqcloud.com/test/abcdef/%E6%97%A0%E6%9C%8D%E5%8A%A1%E5%99%A8%E5%87%BD%E6%95%B0SCF%E6%90%AD%E5%BB%BAOneDrive.mp4?preview  
+~~How to Install:  https://service-pgxgvop2-1258064400.ap-hongkong.apigateway.myqcloud.com/test/abcdef/%E6%97%A0%E6%9C%8D%E5%8A%A1%E5%99%A8%E5%87%BD%E6%95%B0SCF%E6%90%AD%E5%BB%BAOneDrive.mp4?preview  ~~  
+
+先在环境变量添加Region，ap-hongkong或ap-guangzhou之类，再安装。  
 
 DEMO:  https://service-pgxgvop2-1258064400.ap-hongkong.apigateway.myqcloud.com/test/abcdef/  
 
@@ -39,7 +42,7 @@ The XXX_path in setting is the path in Onedrive, not in url, program will find t
 设置中的 XXX_path 是Onedrive里面的路径，并不是你url里面的，程序会去你Onedrive里面找这个路径。  
 LOGO ICON: put your 'favicon.ico' in the path you showed, make sure xxxxx.com/favicon.ico can be visited.   
 网站图标：将favicon.ico文件放在你要展示的目录中，确保 xxxxx.com/favicon.ico 可以访问到。  
-Program will show content of 'readme.md' under file list.  
+Program will show content of 'readme.md' & 'head.md'.  
 可以在文件列表下面显示readme.md文件的内容。  
 guest up path, is a folder that the guest can upload files, but can not be list (exclude admin).  
 游客上传目录（也叫图床目录），是指定一个目录，让游客可以上传文件，不限格式，不限大小。这个目录里面的内容不列清单（除非管理登录）。