修改下列两个文件：
/include/dialog/select_soft_post.php
/include/dialog/select_soft.php
改：
select_soft.php文件第108行后面添加一句话：
$file = mb_convert_encoding($file,\'UTF-8\',\'GBK\');
select_soft_post.php文件第73行后面添加一句话：
$fullfilename = mb_convert_encoding($fullfilename,\'GBK\',\'UTF-8\');