string(303) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%80%BB%E6%98%AF%E5%9C%A8%E5%BF%AB%E8%A6%81%E7%9D%A1%E7%9D%80%E7%9A%84%E6%97%B6%E5%80%99%E8%84%91%E5%AD%90%E6%83%8A%E4%B8%80%E4%B8%8B => Failed to connect to 101.89.117.144 port 38076: Connection refused"
总是在快要睡着的时候脑子惊一下
