string(235) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=wifi%E7%BD%91%E5%8F%98%E6%85%A2%E4%BA%86%E6%80%8E%E4%B9%88%E5%8A%9E => Failed to connect to 101.89.143.195 port 38109: Connection refused"
wifi网变慢了怎么办
