Account locked ..help plz

Dear GM:
Today, when logging in to prompt the account is be locked..
Please tell me what I did wrong.
I can think of the things that have happened recently.
1、Gold Exchange: 3 people are in an account,By mailing gold coins,but all in an account; my priest recently paid 1.5 gold requests to open the portal. twice;
2、PVP:my priest is lv40.. I will switched to the mage for normal PVP.If priest was killed by a rival faction,No BUG position.Normal PVP behavior
3、Recently most of the time in the game with the priest,There is no other gold trading.From the auction house to sell the regular items, and the price is normal
Character name: mage Verycrazy ;priest Xibaibai
Nostalrius PvP Alliance
If there is no wrong behavior, please help contact lock, thank you
Today, when logging in to prompt the account is be locked..
Please tell me what I did wrong.
I can think of the things that have happened recently.
1、Gold Exchange: 3 people are in an account,By mailing gold coins,but all in an account; my priest recently paid 1.5 gold requests to open the portal. twice;
2、PVP:my priest is lv40.. I will switched to the mage for normal PVP.If priest was killed by a rival faction,No BUG position.Normal PVP behavior
3、Recently most of the time in the game with the priest,There is no other gold trading.From the auction house to sell the regular items, and the price is normal
Character name: mage Verycrazy ;priest Xibaibai
Nostalrius PvP Alliance
If there is no wrong behavior, please help contact lock, thank you