string(240) "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 => Failed to connect to 101.89.117.144 port 38005: Connection refused"
特效渲染为什么慢
