string(267) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%B0%8F%E8%9B%AE%E8%85%B0%E7%9A%84%E7%94%A8%E6%B3%95%E5%8F%8A%E6%B3%A8%E6%84%8F%E4%BA%8B%E9%A1%B9 => Failed to connect to 101.89.143.195 port 38109: Connection refused"
小蛮腰的用法及注意事项
