string(258) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%B0%91%E4%B8%80%E4%BA%9B%E5%A5%97%E8%B7%AF%E5%A4%9A%E4%B8%80%E4%BB%BD%E7%9C%9F%E8%AF%9A => Failed to connect to 101.89.117.144 port 38208: Connection refused"
少一些套路多一份真诚
