1. Switch to your Arbitrum account, swipe the function bar to the left, click 'Bridge,’ and select ‘Arbitrum official bridge’
2. Click 'WalletConnect' to connect to imToken, then approve the connection. After that, click the top left to return to the bridge interface.
3. Set the desired number of LON to bridge and click the button below to complete the approval. After the token has been approved, click 'Next' to complete LON bridging.