Merge pull request #7 from PanShoucheng/master

增加3.4.4、3.4.5、接口的返回参数,增加3.5.6接口取消关注
Merge pull request #8 from PanShoucheng/master

细化一下文档，结果发到群里了
修改文档内容

Signed-off-by: kingbird <jiapumin@163.com>
Merge pull request #4 from jiapumin/master

整合