Moodle 25 stable

Hello , administar of moodle!
Now I have a question about moodle. I use moodle2.5.7 to development some courses, but the school's moodle version is 2.5.4 ,And my data just restore a little,what should I do?
My e-mali is mao@malatoday.com. If you have time,Please give me some help!