Merge pull request #2 from qq371219521/master

设置跳转到修改密码界面By石晓辉7.9
设置跳转到修改密码界面By石晓辉7.9
添加好友By石晓辉7.9
Merge pull request #13 from yong-Wu/master

详细求助信息界面
Merge pull request #12 from shixiaohui/master

设置跳转到修改密码界面By石晓辉7.9
更新
已经合并大部分功能，增加一个库文件 by 吴梓华 7.10
Merge pull request #3 from qq371219521/master

library