string(286) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%B0%91%E4%BA%9B%E5%A5%97%E8%B7%AF%2C%E5%A4%9A%E7%82%B9%E7%9C%9F%E8%AF%9A%E4%BB%80%E4%B9%88%E6%84%8F%E6%80%9D%E5%91%80 => Failed to connect to 14.18.117.71 port 38164: Connection refused"
少些套路,多点真诚什么意思呀
