string(285) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%88%86%E8%BE%A8%E7%8E%87%E6%98%AF%E4%BB%80%E4%B9%88%E6%84%8F%E6%80%9D%E6%80%8E%E4%B9%88%E8%B0%83%E6%95%B4%E5%95%8A => Failed to connect to 101.89.143.195 port 38205: Connection refused"
分辨率是什么意思怎么调整啊
