string(249) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E9%BC%A0%E6%A0%87%E7%81%B5%E6%95%8F%E5%BA%A6%E8%B0%83%E8%8A%82%E6%AD%A5%E9%AA%A4 => Failed to connect to 101.89.117.144 port 38005: Connection refused"
鼠标灵敏度调节步骤
