All coins are deposited into a token trading account, and if you want to trade futures, you must transfer from your token trading account to futures account.
1. Go to 'Account > Wallet > Transfer'.
2. Select the coin you want to transfer first, and select the path to transfer(from token trading account to futures account, or from futures account to token trading account).
3. Fill the amount you want to transfer. You can see the available balance when you select the path to transfer.
4. Click the 'Transfer' button, and the history of transfer will be recorded below.