string(284) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%B3%A8%E5%AE%89%E5%9B%9B%E8%89%B2%E7%AC%94%E8%AE%B0%E5%92%8C%E8%93%9D%E5%AE%9D%E5%85%B8%E5%93%AA%E4%B8%AA%E5%A5%BD => Failed to connect to 101.91.112.32 port 38162: Connection refused"
注安四色笔记和蓝宝典哪个好
