string(234) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%BD%91%E5%90%8D%E6%98%AFblue%E4%BB%80%E4%B9%88%E6%84%8F%E6%80%9D => Failed to connect to 101.91.112.32 port 38195: Connection refused"
网名是blue什么意思
