string(276) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E8%A7%86%E9%A2%91%E9%87%8C%E9%9D%A2%E6%80%8E%E4%B9%88%E6%8A%8A%E8%85%BF%E6%8B%89%E9%95%BF%E4%B8%80%E7%82%B9 => Failed to connect to 101.89.143.195 port 38109: Connection refused"
视频里面怎么把腿拉长一点
