string(230) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%86%99%E4%B8%80%E7%AF%87%E5%AE%B3%E6%80%95%E7%9A%84%E4%BA%8B => Failed to connect to 101.91.112.32 port 38162: Connection refused"
写一篇害怕的事
