string(267) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%BD%8E%E4%BD%8D%E7%BC%A9%E9%87%8F%E5%8D%81%E5%AD%97%E6%98%9F%E6%98%AF%E5%90%A6%E4%B9%B0%E5%85%A5 => Failed to connect to 101.89.117.144 port 38022: Connection refused"
低位缩量十字星是否买入
