string(237) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%80%8E%E6%A0%B7%E7%BB%99%E9%A2%86%E5%AF%BC%E6%8F%90%E5%BB%BA%E8%AE%AE => Failed to connect to 14.18.46.51 port 38044: Connection refused"
怎样给领导提建议
