string(262) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=wifi%E8%BF%9E%E6%8E%A5%E6%98%BE%E7%A4%BA%E5%8F%97%E9%99%90%E6%80%8E%E4%B9%88%E5%9B%9E%E4%BA%8B => Failed to connect to 125.88.227.171 port 38062: Connection refused"
wifi连接显示受限怎么回事
