string(242) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=wifi%E5%8F%98%E6%85%A2%E6%80%8E%E4%B9%88%E8%A7%A3%E5%86%B3%E6%96%B9%E6%B3%95 => Failed to connect to 14.18.117.71 port 38069: Connection refused"
wifi变慢怎么解决方法
