string(285) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%80%E5%BB%BA%E5%8F%AF%E4%BB%A5%E5%9C%A8%E8%AF%95%E5%8D%B7%E4%B8%8A%E7%94%BB%E5%85%B3%E9%94%AE%E8%AF%8D%E5%90%97 => Failed to connect to 101.89.143.195 port 38109: Connection refused"
一建可以在试卷上画关键词吗
