string(258) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%9B%BD%E8%80%83%E5%86%B2%E5%88%BA%E9%98%B6%E6%AE%B5%E5%81%9A%E4%BB%80%E4%B9%88%E9%A2%98 => Failed to connect to 101.89.117.144 port 38017: Connection refused"
国考冲刺阶段做什么题
