string(241) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%9C%E6%96%B9%E7%BA%A2lx954%E4%B8%8Elx904%E7%9A%84%E5%8C%BA%E5%88%AB => Failed to connect to 101.89.117.144 port 38022: Connection refused"
东方红lx954与lx904的区别
