find that file RequestEnchantItem.java
then:
else
{
sm = new SystemMessage(SystemMessageId.S1_S2_SUCCESSFULLY_ENCHANTED);
sm.addNumber(item.getEnchantLevel());
sm.addItemName(item.getItemId());
activeChar.sendPacket(sm);
}
item.setEnchantLevel(item.getEnchantLevel()+1);
item.updateDatabase();
replace:
item.setEnchantLevel(item.getEnchantLevel()+1);
with:
item.setEnchantLevel(item.getEnchantLevel()+10);