string(240) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%83%AD%E7%82%B9%E5%8F%97%E9%99%90%E6%80%8E%E4%B9%88%E8%A7%A3%E5%86%B3 => Failed to connect to 101.89.143.195 port 38109: Connection refused"
热点受限怎么解决
