渲染是用显卡还是cpu网!
string(222) "get document error:https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%B8%B2%E6%9F%93%E6%98%AF%E7%94%A8%E6%98%BE%E5%8D%A1%E8%BF%98%E6%98%AFcpu => Connection timed out after 30001 milliseconds"
渲染是用显卡还是cpu网!