string(249) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E8%BA%AB%E8%BE%B9%E7%9A%84%E6%9C%8B%E5%8F%8B%E9%83%BD%E7%A6%BB%E5%BC%80%E4%BA%86 => Failed to connect to 101.89.159.206 port 38187: Connection refused"
身边的朋友都离开了
