module WeixinAuthorize::Api::Groups

def update_group_name(group_id, new_group_name)

https://api.weixin.qq.com/cgi-bin/groups/update?access_token=ACCESS_TOKEN
修改分组名
def update_group_name(group_id, new_group_name)
  group_url = "#{group_base_url}/update"
  http_post(group_url, {group: {id: group_id, name: new_group_name}})
end