Merge pull request #25 from cheneyjuu/master

注册界面非空判断
我的消息优化

Signed-off-by: kingbird <jiapumin@163.com>
邮件处理优化

Signed-off-by: kingbird <jiapumin@163.com>
优化消息部分

Signed-off-by: kingbird <jiapumin@163.com>
优化系统邮件

Signed-off-by: kingbird <jiapumin@163.com>
优化邮件列表，优化注册流程

Signed-off-by: kingbird <jiapumin@163.com>
工作地区选择框优化
merge from jiapumin master branch