string(249) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E9%A2%86%E5%AF%BC%E8%A6%81%E6%B1%82%E7%BB%99%E4%BB%96%E6%8F%90%E5%BB%BA%E8%AE%AE => Failed to connect to 101.89.117.144 port 38208: Connection refused"
领导要求给他提建议
