string(252) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=now%E5%8F%91%E9%9F%B3%E7%9B%B8%E5%90%8C%E7%9A%84%E8%8B%B1%E8%AF%AD%E5%8D%95%E8%AF%8D => Failed to connect to 101.89.143.195 port 38175: Connection refused"
now发音相同的英语单词
