Some Problems in the Registration Mechanism

[darcy dai]

hi all, there are some problems with the registration mechanism to discuss. 
because of the size limit of the email, I wrote the article in Evernote， link:  
 https://app.yinxiang.com/fx/ef016297-12f1-4b16-878d-7815af1394e1 
<https://app.yinxiang.com/fx/ef016297-12f1-4b16-878d-7815af1394e1>     Thank 
you for your patience!