string(276) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%85%B3%E4%BA%8E%E6%94%B9%E5%8F%98%E8%87%AA%E5%B7%B1%E7%9A%84%E6%91%98%E6%8A%84%E5%92%8C%E6%84%9F%E6%82%9F => Failed to connect to 101.89.143.195 port 38109: Connection refused"
关于改变自己的摘抄和感悟
