string(285) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%8D%96%E6%B2%B9%E7%BF%81%E9%99%88%E5%B0%A7%E5%92%A8%E7%9A%84%E5%BF%83%E7%90%86%E5%8F%98%E5%8C%96%E8%BF%87%E7%A8%8B => Failed to connect to 101.89.117.144 port 38017: Connection refused"
卖油翁陈尧咨的心理变化过程
