App Version:
step 1: click "Trading account" under the account name
step 2: click "Transfer to the wallet account"
step 3: fill in the transfer amount and click "confirm transfer"
step 4: then you can see the transfered amount in the wallet account
Website Version:
step 1: click account name after login and then click "transfer"
step 2: click "transfer to wallet account"
step 3: fill in the transfer amount and then submit
step 4: then you will see it in the wallet account