织梦官方5.7版本升级后，版权标签{dede:global name='cfg_powerby'/}调用出来后会出现：“powered by dedecms”，建议您不要去掉，毕竟用了开源程序，最好尊重下版权，织梦开源程序也不容易，希望大家也支持下。
现在告诉大家怎么去除织梦底部的 powered by dedecms版权信息：
在
include/dedesql.class.php文件中找到第588行：
1 2 3 4 5 $arrs1 = array(0x63,0x66,0x67,0x5f,0x70,0x6f,0x77,0x65,0x72,0x62,0x79); $arrs2 =array(0x20,0x3c,0x61,0x20,0x68,0x72,0x65,0x66,0x3d,0x68,0x74,0x74,0x70,0x3a,0x2f,0x2f, 0x77,0x77,0x77,0x2e,0x64,0x65,0x64,0x65,0x63,0x6d,0x73,0x2e,0x63,0x6f,0x6d,0x20,0x74,0x61,0x72, 0x67,0x65,0x74,0x3d,0x27,0x5f,0x62,0x6c,0x61,0x6e,0x6b,0x27,0x3e,0x50,0x6f,0x77,0x65,0x72,0x20, 0x62,0x79,0x20,0x44,0x65,0x64,0x65,0x43,0x6d,0x73,0x3c,0x2f,0x61,0x3e);改成：
1 2 $arrs1 = array(); $arrs2 = array();警告：请大家不要用记事本打开，容易导致后台验证码不显示。用专业网页编辑软件修改。
保存文件并上传即可。大家如果觉得实在影响美观或者怕导出权重，建议去掉后在网页首页友情留个官方链接或者底部信息留个powered by dedecms 不带链接即可，请大家尊重版权哈！
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