Always check that the site you are connecting your wallet to is trusted, and you have accessed it with the correct URL.
To connect your Uniswap Wallet to a site (dapp) using Wallet Connect follow these steps:
Select the “Settings” icon. Hover your phone’s camera screen that appears on your Uniswap Wallet above the QR code for the site you are connecting to.
Select the wallet you would like to connect to.
Review the site information and select “Connect.” Your wallet is now connected to the site.