string(240) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%B9%BB%E7%81%AD%E8%8C%85%E7%9B%BE%E8%AF%BB%E4%B9%A6%E7%AC%94%E8%AE%B0 => Failed to connect to 101.89.159.206 port 38087: Connection refused"
幻灭茅盾读书笔记
