string(247) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%95%99%E4%B8%AA%E8%81%94%E7%B3%BB%E6%96%B9%E5%BC%8F%E5%90%A7%E8%8B%B1%E6%96%87 => Failed to connect to 61.171.74.35 port 38041: Connection refused"
留个联系方式吧英文
