Please tell me why I post more document more decrease reputation?

[lihanbok]

I try to post more document and I search my document in forum, which was not posted before. But my Reputation decrease when I post it. Please help me. Thank you!

[leejunde]

I try to post more document and I search my document in forum, which was not posted before. But my Reputation decrease when I post it. Please help me. Thank you!
Do you try to download some document. May be your reputation decrease. You must be careful!