':param group_id: åç» IDïŒç±åŸ®ä¿¡åé
:param name: åç»åå­ïŒ30äžªå­ç¬Šä»¥åïŒ
:return: è¿åç JSON æ°æ®å'

def update_group(self, group_id, name):

    return self.post(url='https://api.weixin.qq.com/cgi-bin/groups/update', data={'group': {'id': int(group_id), 'name': to_text(name)}})
