string(252) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=raw%E6%A0%BC%E5%BC%8F%E7%94%A8%E4%BB%80%E4%B9%88%E6%89%93%E5%BC%80%E6%B5%8F%E8%A7%88 => Failed to connect to 101.89.117.144 port 38056: Connection refused"
raw格式用什么打开浏览
