string(258) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%89%B9%E6%95%88%E6%B8%B2%E6%9F%93%E4%B8%BA%E4%BB%80%E4%B9%88%E6%85%A2%E4%B8%80%E7%82%B9 => Failed to connect to 125.88.227.171 port 38114: Connection refused"
特效渲染为什么慢一点
