string(240) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E8%BA%AB%E4%BD%93%E7%9D%A1%E4%BA%86%E6%84%8F%E8%AF%86%E6%B8%85%E9%86%92 => Failed to connect to 101.89.159.206 port 38087: Connection refused"
身体睡了意识清醒
