string(233) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=oo%E5%90%8C%E9%9F%B3%E7%9A%84%E8%AF%8D%E6%9C%89%E5%93%AA%E4%BA%9B => Failed to connect to 101.89.159.206 port 38075: Connection refused"
oo同音的词有哪些
