2. Click the 'connect' button, the select wallet page is displayed as shown below:
3. Select MetaMask wallet to enter the cross-chain bridge page, as shown below:
4. Select the tokens to cross the chain and add them if they are not on the list：
5. MetaMask authorization is required for unlocking on the original chain. Click confirm button for authorization, as shown in the figure below：
6. After unlocking, click the 'Transfer' button to Transfer the Token, as shown below：
7. If you need to confirm asset transfer, a confirmation dialog box is displayed, as shown in the following:
8. After confirming the Token transfer, MetaMask wallet will be called again for authorization, as shown below:
9. After authorization, the system immediately transfers the cross-chain assets, which needs to wait for the confirmation of several blocks. Depending on the network condition, it generally takes several minutes, as shown in the figure below：
