string(266) "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%E7%9A%84%E4%B8%80%E4%BA%9B%E5%BB%BA%E8%AE%AE%E6%84%8F%E8%A7%81%E4%B9%A6 => Failed to connect to 101.91.112.32 port 38195: Connection refused"
给领导的一些建议意见书
