1. Search for Opensea in the search bar of Huobi Wallet (select Opensea with the Polygon tag), tap to enter, and select it
2. After entering Opensea, tap the icon in the upper right corner;
3. If it is the first time you enter Opensea, tap Connect wallet at the bottom;
4. Display my wallet and confirm whether the wallet address in the upper right corner is consistent with your wallet address;
5. Go back to the homepage and tap the icon in the upper right corner again to enter Account;
6. Select Favorites, find Hidden, tap to enter and find the Ula you have;
7. Tap "..." in the lower left corner of the corresponding Ula and select sell to enter the trading interface.