The first time that you deposit a token through the bridge, you actually need to do 2 transactions.
- The first will approve your tokens for deposit.
- The second will actually deposit your tokens.
Some users only submit the approval transactions before asking for help.
Otherwise, make sure that your transaction is not stuck due to low gas. Use this https://axie.live/ to check estimated gas prices. Your transaction needs to be confirmed on Ethereum for a deposit or withdrawal to confirm successfully.