string(249) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%BB%99%E9%A2%86%E5%AF%BC%E6%8F%90%E5%BB%BA%E8%AE%AE%E7%9A%84%E6%8E%AA%E8%BE%9E => Failed to connect to 101.89.159.206 port 38187: Connection refused"
给领导提建议的措辞
