### 取消分类关注
~~~[api]
post:http://api.satin.com/api/v1/categoryCancleFollow
*user_id=c64148def264f925f000b4943da1ce1f,#用户id 选填
*pid=2,#分类id
<<<
scucess
{
"code": 200,
"msg": "取消关注分类成功",
"data": []
}
<<<
error
{
"code": 400,
"msg": "取消关注失败",
"data": []
}
