string(249) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%B3%A8%E4%BC%9A%E5%AF%B9%E8%8B%B1%E8%AF%AD%E8%A6%81%E6%B1%82%E9%AB%98%E5%90%97 => Failed to connect to 101.89.159.206 port 38100: Connection refused"
注会对英语要求高吗
