string(276) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%93%AA%E4%B8%AA%E6%B5%8F%E8%A7%88%E5%99%A8%E6%9C%80%E7%A8%B3%E5%AE%9A%E6%80%A7%E6%9C%80%E9%AB%98%E7%9A%84 => Failed to connect to 101.89.159.206 port 38100: Connection refused"
哪个浏览器最稳定性最高的
