string(252) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=vivo%E7%B3%BB%E7%BB%9F%E8%BF%98%E5%8E%9F%E5%9C%A8%E5%93%AA%E9%87%8C%E8%AE%BE%E7%BD%AE => Failed to connect to 101.91.112.32 port 38221: Connection refused"
vivo系统还原在哪里设置
