Merge pull request #45 from songjiayang/master

完成回复功能，添加了icon，修改部分样式
Merge remote-tracking branch 'cms_6bey/master'
Merge pull request #46 from songjiayang/master

添加分享功能并修改了回复的一个Bug
Merge remote-tracking branch 'cms_6bey/master'