修改安装界面css(fixed #15)

Signed-off-by: Arathi <ssdfa7@gmail.com>
修改新春模板的聊天室链接错误问题(fixed #17)

Signed-off-by: Arathi <ssdfa7@gmail.com>
修改邀请插件指向zisuw的bug(fixed #16)

Signed-off-by: Arathi <ssdfa7@gmail.com>