string(249) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%B7%A5%E4%BD%9C%E4%B8%AD%E9%A2%86%E5%AF%BC%E8%AE%A9%E6%8F%90%E5%BB%BA%E8%AE%AE => Failed to connect to 101.89.159.206 port 38100: Connection refused"
工作中领导让提建议
