diff --git a/contracts/DODOToken/DODOMineV2/BaseMine.sol b/contracts/DODOToken/DODOMineV2/BaseMine.sol
index 7a91342..a8d6197 100644
--- a/contracts/DODOToken/DODOMineV2/BaseMine.sol
+++ b/contracts/DODOToken/DODOMineV2/BaseMine.sol
@@ -183,11 +183,11 @@ contract BaseMine is InitializableOwnable {
         emit UpdateReward(i, newRewardPerBlock);
     }
 
-    function withdrawLeftOver(uint256 i) external onlyOwner {
+    function withdrawLeftOver(uint256 i, uint256 amount) external onlyOwner {
         RewardTokenInfo storage rt = rewardTokenInfos[i];
         require(block.number > rt.endBlock, "DODOMineV2: MINING_NOT_FINISHED");
 
-        IRewardVault(rt.rewardVault).withdrawLeftOver(msg.sender);
+        IRewardVault(rt.rewardVault).withdrawLeftOver(msg.sender,amount);
 
         emit WithdrawLeftOver(msg.sender, i);
     }
diff --git a/contracts/DODOToken/DODOMineV2/RewardVault.sol b/contracts/DODOToken/DODOMineV2/RewardVault.sol
index 84dc10d..e61dd17 100644
--- a/contracts/DODOToken/DODOMineV2/RewardVault.sol
+++ b/contracts/DODOToken/DODOMineV2/RewardVault.sol
@@ -14,7 +14,7 @@ import {IERC20} from "../../intf/IERC20.sol";
 
 interface IRewardVault {
     function reward(address to, uint256 amount) external;
-    function withdrawLeftOver(address to) external; 
+    function withdrawLeftOver(address to, uint256 amount) external; 
 }
 
 contract RewardVault is Ownable {
@@ -30,8 +30,9 @@ contract RewardVault is Ownable {
         IERC20(rewardToken).safeTransfer(to, amount);
     }
 
-    function withdrawLeftOver(address to) external onlyOwner {
+    function withdrawLeftOver(address to,uint256 amount) external onlyOwner {
         uint256 leftover = IERC20(rewardToken).balanceOf(address(this));
-        IERC20(rewardToken).safeTransfer(to, leftover);
+        require(amount <= leftover, "VAULT_NOT_ENOUGH");
+        IERC20(rewardToken).safeTransfer(to, amount);
     }
 }