string(240) "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%E6%84%8F%E8%A7%81%E5%A4%A7%E5%85%A8 => Failed to connect to 101.89.117.144 port 38017: Connection refused"
给领导提意见大全
