No withdrawal would be given after making profit

The EC platform does not provide withdrawals. I think gold will rise, so I will go long and be bullish in the long term. I can apply for interest-free on this platform, so I placed an order here. I made money then I can't withdraw. They said my order was a poisonous traffic order and immediately closed my account backend and mt4 trading account. Currently, there is about 6600u in the account, and there are no withdrawals.