优化注册流程与交互

Change-Id: I5b69072d1f4773ebcb2a6a32de6e4608c162dcbb
Merge branch 'master' of https://github.com/Hahn-/GdutExchange.git

Conflicts:
	Tpl/Home/Public/getform.html

Change-Id: Ic1720f738baa2807641e006821df6250b7db5cc7