string(247) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E9%AB%98%E8%80%83%E6%97%B6%E5%BF%83%E6%80%81%E8%B0%83%E6%95%B4%E5%BF%83%E6%80%81 => Failed to connect to 14.18.117.71 port 38069: Connection refused"
高考时心态调整心态
