string(253) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=bass%E6%98%AF%E4%BB%80%E4%B9%88%E6%84%8F%E6%80%9D%E6%80%8E%E6%A0%B7%E4%BD%BF%E7%94%A8 => Failed to connect to 101.89.166.210 port 38089: Connection refused"
bass是什么意思怎样使用
