string(310) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%90%91%E7%A8%8B%E5%BA%8F%E5%8F%91%E9%80%81%E5%91%BD%E4%BB%A4%E6%97%B6%E5%87%BA%E7%8E%B0%E9%97%AE%E9%A2%98%E5%A6%82%E4%BD%95%E8%A7%A3%E5%86%B3 => Failed to connect to 61.171.74.35 port 38041: Connection refused"
向程序发送命令时出现问题如何解决
