Update README.md

docs/recovery/README.md

@@ -74,6 +74,7 @@ Here is the [Chinese version](https://mixin.network/zh/recovery/) of the article
   - ⏸️ For ETH、sETH-BTC、XIN 和 MOB vaults, debt interest accural and liquidation are both still suspended. For these four types of vault, repayment must be made in one installment - partial repayment is temperarily not supported.   
   - ✅ For ETH、sETH-BTC、XIN 和 MOB vaults, collateral can be redeemed only when loans are **100% paid off**. 
   - ✅ For users who need pUSD on the old Mixin Network to repay Leaf pUSD debts: you can exchange stablecoins on the new Mixin Network into pUSD on the old Mixin Network using the [pUSD bridge](https://app.pando.im/swap/pusd)
+  - ✅ Replay at old mainnet version: Visit [https://app-legacy.pando.im/leaf/vaults](https://app-legacy.pando.im/leaf/vaults) or search @7000105018 to switch to the old mainnet
 - Future plans:
   - Pando Leaf will be operated **independently** on both the new and old Mixin Networks in the future.   
   - Leaf on the new Mixin Network will have the full set of functions while the Leaf on the old network will only allow for loan repayment and collateral redemption but discontinue the stablecoin minting function. The exact timetable is yet to be announced.