string(240) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=oo%E7%9A%84%E5%90%8C%E9%9F%B3%E8%AF%8D%E6%80%8E%E4%B9%88%E5%86%99%E7%9A%84 => Failed to connect to 14.18.117.71 port 38164: Connection refused"
oo的同音词怎么写的
