string(249) "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%E6%8F%90%E5%93%AA%E4%BA%9B%E5%BB%BA%E8%AE%AE%E5%A5%BD => Failed to connect to 101.89.117.144 port 38022: Connection refused"
给领导提哪些建议好
