string(256) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%BF%AB%E9%AB%98%E8%80%83%E4%BA%86%E5%A6%82%E4%BD%95%E8%B0%83%E6%95%B4%E5%BF%83%E6%80%81 => Failed to connect to 61.171.74.35 port 38027: Connection refused"
快高考了如何调整心态
