string(238) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%90%91%E9%A2%86%E5%AF%BC%E6%8F%90%E6%84%8F%E8%A7%81%E8%AF%80%E7%AA%8D => Failed to connect to 14.18.117.71 port 38069: Connection refused"
向领导提意见诀窍
