diff --git a/README.md b/README.md
index 99ceea7..e14aed9 100644
--- a/README.md
+++ b/README.md
@@ -32,3 +32,4 @@ Anyone who reports a unique, previously-unreported vulnerability that results in
 ## Contact Us
 
 Send E-mail to contact@dodoex.io
+
diff --git a/contracts/DODOToken/DODOBscToken.sol b/contracts/DODOToken/DODOBscToken.sol
new file mode 100644
index 0000000..66fc2b6
--- /dev/null
+++ b/contracts/DODOToken/DODOBscToken.sol
@@ -0,0 +1,95 @@
+/*
+
+    Copyright 2020 DODO ZOO.
+    SPDX-License-Identifier: Apache-2.0
+
+*/
+
+pragma solidity 0.6.9;
+
+import {SafeMath} from "../lib/SafeMath.sol";
+import {InitializableOwnable} from "../lib/InitializableOwnable.sol";
+
+/**
+ * @title DODO Token Mapped on BSC
+ * @author DODO Breeder
+ */
+contract DODOBscToken is InitializableOwnable {
+    using SafeMath for uint256;
+
+    string public name = "DODO bird";
+    uint256 public decimals = 18;
+    string public symbol = "DODO";
+    uint256 public totalSupply;
+
+    mapping(address => uint256) balances;
+    mapping(address => mapping(address => uint256)) internal allowed;
+
+
+    event Transfer(address indexed from, address indexed to, uint256 amount);
+    event Approval(address indexed owner, address indexed spender, uint256 amount);
+    event Mint(address indexed user, uint256 value);
+    event Burn(address indexed user, uint256 value);
+    event Redeem(address indexed sender, address indexed redeemToEthAccount, uint256 value);
+
+    function transfer(address to, uint256 amount) public returns (bool) {
+        require(to != address(0), "TO_ADDRESS_IS_EMPTY");
+        require(amount <= balances[msg.sender], "BALANCE_NOT_ENOUGH");
+
+        balances[msg.sender] = balances[msg.sender].sub(amount);
+        balances[to] = balances[to].add(amount);
+        emit Transfer(msg.sender, to, amount);
+        return true;
+    }
+
+    function balanceOf(address owner) public view returns (uint256 balance) {
+        return balances[owner];
+    }
+
+    function transferFrom(
+        address from,
+        address to,
+        uint256 amount
+    ) public returns (bool) {
+        require(to != address(0), "TO_ADDRESS_IS_EMPTY");
+        require(amount <= balances[from], "BALANCE_NOT_ENOUGH");
+        require(amount <= allowed[from][msg.sender], "ALLOWANCE_NOT_ENOUGH");
+
+        balances[from] = balances[from].sub(amount);
+        balances[to] = balances[to].add(amount);
+        allowed[from][msg.sender] = allowed[from][msg.sender].sub(amount);
+        emit Transfer(from, to, amount);
+        return true;
+    }
+
+    function approve(address spender, uint256 amount) public returns (bool) {
+        allowed[msg.sender][spender] = amount;
+        emit Approval(msg.sender, spender, amount);
+        return true;
+    }
+
+    function allowance(address owner, address spender) public view returns (uint256) {
+        return allowed[owner][spender];
+    }
+
+    function redeem(uint256 amount, uint256 value, address redeemToEthAccount) external {
+        require(balances[msg.sender] >= value, "DODOBscToken: NOT_ENOUGH");
+        balances[msg.sender] = balances[msg.sender].sub(value);
+        totalSupply = totalSupply.sub(value);
+        emit Redeem(msg.sender, redeemToEthAccount, value);
+    }
+
+    function mint(address user, uint256 value) external onlyOwner {
+        balances[user] = balances[user].add(value);
+        totalSupply = totalSupply.add(value);
+        emit Mint(user, value);
+        emit Transfer(address(0), user, value);
+    }
+
+    function burn(address user, uint256 value) external onlyOwner {
+        balances[user] = balances[user].sub(value);
+        totalSupply = totalSupply.sub(value);
+        emit Burn(user, value);
+        emit Transfer(user, address(0), value);
+    }
+}
diff --git a/contracts/DODOToken/DODOCirculationHelper.sol b/contracts/DODOToken/DODOCirculationHelper.sol
new file mode 100644
index 0000000..5b57bbd
--- /dev/null
+++ b/contracts/DODOToken/DODOCirculationHelper.sol
@@ -0,0 +1,88 @@
+/*
+
+    Copyright 2020 DODO ZOO.
+    SPDX-License-Identifier: Apache-2.0
+
+*/
+pragma solidity 0.6.9;
+pragma experimental ABIEncoderV2;
+
+import {IERC20} from "../intf/IERC20.sol";
+import {SafeMath} from "../lib/SafeMath.sol";
+import {DecimalMath} from "../lib/DecimalMath.sol";
+import {InitializableOwnable} from "../lib/InitializableOwnable.sol";
+
+
+contract DODOCirculationHelper is InitializableOwnable {
+    using SafeMath for uint256;
+
+    // ============ Storage ============
+
+    address immutable _VDODO_TOKEN_;
+    address immutable _DODO_TOKEN_;
+    address[] _LOCKED_CONTRACT_ADDRESS_;
+
+    uint256 public _MIN_PENALTY_RATIO_ = 5 * 10**16; // 5%
+    uint256 public _MAX_PENALTY_RATIO_ = 15 * 10**16; // 15%
+
+    constructor(address vDodoToken,address dodoToken) public {
+        _VDODO_TOKEN_ = vDodoToken;
+        _DODO_TOKEN_ = dodoToken;
+    }
+
+    function addLockedContractAddress(address lockedContract) external onlyOwner {
+        require(lockedContract != address(0));
+        _LOCKED_CONTRACT_ADDRESS_.push(lockedContract);
+    }
+
+    function removeLockedContractAddress(address lockedContract) external onlyOwner {
+        require(lockedContract != address(0));
+        address[] memory lockedContractAddress = _LOCKED_CONTRACT_ADDRESS_;
+        for (uint256 i = 0; i < lockedContractAddress.length; i++) {
+            if (lockedContractAddress[i] == lockedContract) {
+                lockedContractAddress[i] = lockedContractAddress[lockedContractAddress.length - 1];
+                break;
+            }
+        }
+        _LOCKED_CONTRACT_ADDRESS_ = lockedContractAddress;
+        _LOCKED_CONTRACT_ADDRESS_.pop();
+    } 
+
+    function getCirculation() public view returns (uint256 circulation) {
+        circulation = 10**10 * 10**18;
+        for (uint256 i = 0; i < _LOCKED_CONTRACT_ADDRESS_.length; i++) {
+            circulation -= IERC20(_DODO_TOKEN_).balanceOf(_LOCKED_CONTRACT_ADDRESS_[i]);
+        }
+    }
+
+    function getVDODOWithdrawFeeRatio() external view returns (uint256 ratio) {
+        uint256 dodoCirculationAmout = getCirculation();
+        uint256 x =
+            DecimalMath.divCeil(
+                dodoCirculationAmout,
+                IERC20(_VDODO_TOKEN_).totalSupply()
+            );
+        
+        ratio = geRatioValue(x);
+    }
+
+    function geRatioValue(uint256 input) public view returns (uint256 ratio) {
+        
+        // (x - 1)^2 / 81 + (y - 15)^2 / 100 = 1
+        // y = 5% (x ≤ 1)
+        // y = 15% (x ≥ 10)
+        // y = 15% - 10% * sqrt(1-[(x-1)/9]^2)
+        
+        if (input <= 10**18) {
+            return _MIN_PENALTY_RATIO_;
+        } else if (input >= 10**19) {
+            return _MAX_PENALTY_RATIO_;
+        } else {
+            uint256 xTemp = input.sub(DecimalMath.ONE).div(9);
+            uint256 premium = DecimalMath.ONE2.sub(xTemp.mul(xTemp)).sqrt();
+            ratio =
+                _MAX_PENALTY_RATIO_ -
+                DecimalMath.mulFloor(_MAX_PENALTY_RATIO_ - _MIN_PENALTY_RATIO_, premium);
+        }
+    }
+}
diff --git a/contracts/DODOToken/DODOMigrationBSC.sol b/contracts/DODOToken/DODOMigrationBSC.sol
new file mode 100644
index 0000000..90b26f2
--- /dev/null
+++ b/contracts/DODOToken/DODOMigrationBSC.sol
@@ -0,0 +1,58 @@
+/*
+
+    Copyright 2020 DODO ZOO.
+    SPDX-License-Identifier: Apache-2.0
+
+*/
+pragma solidity 0.6.9;
+pragma experimental ABIEncoderV2;
+
+import {IERC20} from "../intf/IERC20.sol";
+import {SafeMath} from "../lib/SafeMath.sol";
+import {InitializableOwnable} from "../lib/InitializableOwnable.sol";
+import {IDODOApproveProxy} from "../SmartRoute/DODOApproveProxy.sol";
+
+/**
+ * @title DODOMigration between Ethereum and BSC
+ * @author DODO Breeder
+ */
+contract DODOMigrationBSC is InitializableOwnable {
+    using SafeMath for uint256;
+
+    // ============ Storage ============
+
+    address immutable _ETH_DODO_TOKEN_;
+    address immutable _DODO_APPROVE_PROXY_;
+    mapping(address => uint256) internal balances;
+
+    constructor(address ethDodoToken, address dodoApproveProxy) public {
+        _ETH_DODO_TOKEN_ = ethDodoToken;
+        _DODO_APPROVE_PROXY_ = dodoApproveProxy;
+    }
+
+    // ============ Events ============
+
+    event Lock(address indexed sender, address indexed mintToBscAccount, uint256 amount);
+    event Unlock(address indexed to, uint256 amount);
+
+    // ============ Functions ============
+
+    function lock(uint256 amount, address mintToBscAccount) external {
+        IDODOApproveProxy(_DODO_APPROVE_PROXY_).claimTokens(
+            _ETH_DODO_TOKEN_,
+            msg.sender,
+            address(this),
+            amount
+        );
+        balances[msg.sender] = balances[msg.sender].add(amount);
+        emit Lock(msg.sender, mintToBscAccount, amount);
+    }
+
+    function unlock(address unlockTo, uint256 amount) external onlyOwner {
+        require(balances[unlockTo] >= amount);
+        balances[unlockTo] = balances[unlockTo].sub(amount);
+        IERC20(_ETH_DODO_TOKEN_).transfer(unlockTo, amount);
+        emit Unlock(unlockTo, amount);
+    }
+
+}
diff --git a/contracts/DODOToken/Governance.sol b/contracts/DODOToken/Governance.sol
new file mode 100644
index 0000000..37a1657
--- /dev/null
+++ b/contracts/DODOToken/Governance.sol
@@ -0,0 +1,26 @@
+/*
+
+    Copyright 2020 DODO ZOO.
+    SPDX-License-Identifier: Apache-2.0
+
+*/
+pragma solidity 0.6.9;
+pragma experimental ABIEncoderV2;
+
+import {InitializableOwnable} from "../lib/InitializableOwnable.sol";
+
+//todo
+contract Governance is InitializableOwnable {
+
+    // ============ Storage ============
+
+    address _VDODO_TOKEN_;
+    
+    function setVDODOAddress(address vodoToken) public onlyOwner{
+        _VDODO_TOKEN_ = vodoToken;
+    }
+    
+    function getLockedvDODO(address account) external pure returns (uint256 lockedvDODO) {
+        lockedvDODO = 0;//todo for test
+    }
+}
diff --git a/contracts/DODOToken/vDODOToken.sol b/contracts/DODOToken/vDODOToken.sol
new file mode 100644
index 0000000..805a27c
--- /dev/null
+++ b/contracts/DODOToken/vDODOToken.sol
@@ -0,0 +1,361 @@
+/*
+
+    Copyright 2020 DODO ZOO.
+    SPDX-License-Identifier: Apache-2.0
+
+*/
+pragma solidity 0.6.9;
+pragma experimental ABIEncoderV2;
+
+import {IERC20} from "../intf/IERC20.sol";
+import {SafeMath} from "../lib/SafeMath.sol";
+import {DecimalMath} from "../lib/DecimalMath.sol";
+import {InitializableOwnable} from "../lib/InitializableOwnable.sol";
+import {SafeERC20} from "../lib/SafeERC20.sol";
+import {IDODOApproveProxy} from "../SmartRoute/DODOApproveProxy.sol";
+
+interface IGovernance {
+    function getLockedvDODO(address account) external view returns (uint256);
+}
+
+interface IDODOCirculationHelper {
+    // Locked vDOOD not counted in circulation
+    function getCirculation() external view returns (uint256);
+
+    function getVDODOWithdrawFeeRatio() external view returns (uint256);
+}
+
+contract vDODOToken is InitializableOwnable {
+    using SafeMath for uint256;
+
+    // ============ Storage(ERC20) ============
+
+    string public name;
+    string public symbol;
+    uint8 public decimals;
+    uint256 public totalSupply;
+    mapping(address => mapping(address => uint256)) internal _ALLOWED_;
+
+    // ============ Storage ============
+
+    address immutable _DODO_TOKEN_;
+    address immutable _DODO_APPROVE_PROXY_;
+    address public _DOOD_GOV_;
+    address public _DODO_CIRCULATION_HELPER_;
+
+    bool public _CAN_TRANSFER_;
+
+    // staking reward parameters
+    uint256 public dodoPerBlock;
+    uint256 public constant _SUPERIOR_RATIO_ = 10**17; // 0.1
+    uint256 public dodoFeeBurnRation;
+
+    // accounting
+    uint128 public alpha = 100 * 10**18; // 100
+    uint128 public lastRewardBlock;
+    mapping(address => UserInfo) public userInfo;
+
+    struct UserInfo {
+        uint128 VDODOAmount;
+        uint128 superiorVDODO;
+        address superior;
+        uint256 credit;
+    }
+
+    // ============ Events ============
+
+    event MintVDODO(address user, address superior, uint256 amount);
+    event RedeemVDODO(address user, uint256 amount);
+    event SetCantransfer(bool allowed);
+
+    event ChangePerReward(uint256 dodoPerBlock);
+    event UpdatedodoFeeBurnRation(uint256 dodoFeeBurnRation);
+
+    event Transfer(address indexed from, address indexed to, uint256 amount);
+    event Approval(address indexed owner, address indexed spender, uint256 amount);
+
+    // ============ Modifiers ============
+
+    modifier canTransfer() {
+        require(_CAN_TRANSFER_, "vDODOToken: not allowed transfer");
+        _;
+    }
+
+    modifier balanceEnough(address account, uint256 amount) {
+        require(availableBalanceOf(account) >= amount, "vDODOToken: available amount not enough");
+        _;
+    }
+
+    // ============ Constructor ============
+
+    constructor(
+        address dodoGov,
+        address dodoToken,
+        address dodoCirculationHelper,
+        address dodoApproveProxy,
+        string memory _name,
+        string memory _symbol
+    ) public {
+        name = _name;
+        symbol = _symbol;
+        decimals = 18;
+        _DODO_APPROVE_PROXY_ = dodoApproveProxy;
+        _DOOD_GOV_ = dodoGov;
+        _DODO_CIRCULATION_HELPER_ = dodoCirculationHelper;
+        _DODO_TOKEN_ = dodoToken;
+        lastRewardBlock = uint128(block.number);
+    }
+
+    // ============ Ownable Functions ============`
+
+    function setCantransfer(bool allowed) public onlyOwner {
+        _CAN_TRANSFER_ = allowed;
+        emit SetCantransfer(allowed);
+    }
+
+    function changePerReward(uint256 _dodoPerBlock) public onlyOwner {
+        _updateAlpha();
+        dodoPerBlock = _dodoPerBlock;
+        emit ChangePerReward(_dodoPerBlock);
+    }
+
+    function updatedodoFeeBurnRation(uint256 _dodoFeeBurnRation) public onlyOwner {
+        dodoFeeBurnRation = _dodoFeeBurnRation;
+        emit UpdatedodoFeeBurnRation(_dodoFeeBurnRation);
+    }
+
+    function updateDODOCirculationHelper(address helper) public onlyOwner {
+        _DODO_CIRCULATION_HELPER_ = helper;
+    }
+
+    function updateGovernance(address governance) public onlyOwner {
+        _DOOD_GOV_ = governance;
+    }
+    
+    function emergencyWithdraw() public onlyOwner {
+        uint256 dodoBalance = IERC20(_DODO_TOKEN_).balanceOf(address(this));
+        IERC20(_DODO_TOKEN_).transfer(_OWNER_, dodoBalance);
+    }
+
+    // ============ Functions ============
+
+    function mint(uint256 dodoAmount, address superiorAddress) public {
+        require(superiorAddress != address(0) && superiorAddress != msg.sender, "vDODOToken: Superior INVALID");
+        require(dodoAmount > 0, "vDODOToken: must mint greater than 0");
+        
+        _updateAlpha();
+        
+        IDODOApproveProxy(_DODO_APPROVE_PROXY_).claimTokens(
+            _DODO_TOKEN_,
+            msg.sender,
+            address(this),
+            dodoAmount
+        );
+
+        uint256 newVdodoAmount = DecimalMath.divFloor(dodoAmount, alpha);
+
+        UserInfo storage user = userInfo[msg.sender];
+        _mint(user, newVdodoAmount);
+
+        uint256 increSuperiorVDODO = DecimalMath.mulFloor(newVdodoAmount, _SUPERIOR_RATIO_);
+        
+        if (user.superior == address(0)) {
+            user.superior = superiorAddress;
+        }
+
+        _mintToSuperior(user, increSuperiorVDODO);
+        
+        emit MintVDODO(msg.sender, superiorAddress, dodoAmount);
+    }
+
+    function redeem(uint256 vDodoAmount)
+        public
+        balanceEnough(msg.sender, vDodoAmount)
+    {
+        _updateAlpha();
+
+        UserInfo storage user = userInfo[msg.sender];
+        _redeem(user, vDodoAmount);
+
+        if (user.superior != address(0)) {
+            uint256 superiorRedeemVDODO = DecimalMath.mulFloor(vDodoAmount, _SUPERIOR_RATIO_);
+            _redeemFromSuperior(user, superiorRedeemVDODO);
+        }
+
+        (uint256 dodoReceive, uint256 burnDodoAmount, uint256 withdrawFeeDodoAmount) = getWithdrawAmount(vDodoAmount);
+        
+        IERC20(_DODO_TOKEN_).transfer(msg.sender, dodoReceive);
+
+        if(burnDodoAmount > 0){
+            _transfer(address(this), address(0), burnDodoAmount);
+        }        
+
+        if(withdrawFeeDodoAmount > 0) {
+            alpha = uint128(uint256(alpha).add(DecimalMath.divFloor(withdrawFeeDodoAmount, totalSupply)));
+        }
+
+        emit RedeemVDODO(msg.sender, vDodoAmount);
+    }
+
+
+    function donate(uint256 dodoAmount) public {
+        IDODOApproveProxy(_DODO_APPROVE_PROXY_).claimTokens(
+            _DODO_TOKEN_,
+            msg.sender,
+            address(this),
+            dodoAmount
+        );
+        alpha = uint128(uint256(alpha).add(DecimalMath.divFloor(dodoAmount, totalSupply)));
+    }
+
+    // ============ Functions(ERC20) ============
+
+    function balanceOf(address account) public view returns (uint256 balance) {
+        UserInfo memory user = userInfo[account];
+        balance = uint256(user.VDODOAmount).sub(DecimalMath.divFloor(user.credit, getLatestAlpha()));
+    }
+
+    function availableBalanceOf(address account) public view returns (uint256 balance) {
+        uint256 lockedBalance = IGovernance(_DOOD_GOV_).getLockedvDODO(account);
+        balance = balanceOf(account).sub(lockedBalance);
+    }
+
+    function transfer(address to, uint256 amount) public returns (bool) {
+        _updateAlpha();
+        _transfer(msg.sender, to, amount);
+        return true;
+    }
+
+    function approve(address spender, uint256 amount) public returns (bool) {
+        _ALLOWED_[msg.sender][spender] = amount;
+        emit Approval(msg.sender, spender, amount);
+        return true;
+    }
+
+    function transferFrom(
+        address from,
+        address to,
+        uint256 amount
+    ) public returns (bool) {
+        require(amount <= _ALLOWED_[from][msg.sender], "ALLOWANCE_NOT_ENOUGH");
+        _updateAlpha();
+        _transfer(from, to, amount);
+        _ALLOWED_[from][msg.sender] = _ALLOWED_[from][msg.sender].sub(amount);
+        emit Transfer(from, to, amount);
+        return true;
+    }
+
+    function allowance(address owner, address spender) public view returns (uint256) {
+        return _ALLOWED_[owner][spender];
+    }
+
+    // ============ View Functions ============
+
+    function dodoBalanceOf(address account) public view returns (uint256 dodoAmount) {
+        UserInfo memory user = userInfo[account];
+        dodoAmount = DecimalMath.mulFloor(uint256(user.VDODOAmount),getLatestAlpha()).sub(user.credit);
+    }
+
+    function getLatestAlpha() public view returns(uint256) {
+        uint256 accuDODO = dodoPerBlock * (block.number - lastRewardBlock);
+        if (totalSupply > 0) {
+            return uint256(alpha).add(DecimalMath.divFloor(accuDODO, totalSupply));
+        } else {
+            return alpha;
+        }
+    }
+
+    function getWithdrawAmount(uint256 vDodoAmount) public view returns(uint256 dodoReceive, uint256 burnDodoAmount, uint256 withdrawFeeDodoAmount) {
+        uint256 feeRatio = IDODOCirculationHelper(_DODO_CIRCULATION_HELPER_).getVDODOWithdrawFeeRatio();
+
+        uint256 newAlpha = getLatestAlpha();
+        uint256 withdrawDodoAmount = DecimalMath.mulFloor(vDodoAmount, newAlpha);
+
+        withdrawFeeDodoAmount = DecimalMath.mulCeil(withdrawDodoAmount, feeRatio);
+        dodoReceive = withdrawDodoAmount.sub(withdrawFeeDodoAmount);
+    
+        if(dodoFeeBurnRation > 0){
+            burnDodoAmount = DecimalMath.mulFloor(withdrawFeeDodoAmount,dodoFeeBurnRation);
+            withdrawFeeDodoAmount = withdrawFeeDodoAmount.sub(burnDodoAmount);
+        }else {
+            burnDodoAmount = 0;
+        }
+    }
+
+    // ============ Internal Functions ============
+
+    function _updateAlpha() internal {
+        uint256 newAlpha = getLatestAlpha();
+        require(newAlpha <= uint128(-1), "OVERFLOW");
+        alpha = uint128(newAlpha);
+        lastRewardBlock = uint128(block.number);
+    }
+
+    function _mint(UserInfo storage to, uint256 vdodoAmount) internal {
+        require(vdodoAmount <= uint128(-1), "OVERFLOW");
+        to.VDODOAmount = uint128(uint256(to.VDODOAmount).add(vdodoAmount));
+        totalSupply = totalSupply.add(vdodoAmount);
+    }
+
+    function _mintToSuperior(UserInfo storage user, uint256 vdodoAmount) internal {
+        if (vdodoAmount > 0) {
+            user.superiorVDODO = uint128(uint256(user.superiorVDODO).add(vdodoAmount));
+            UserInfo storage superiorUser = userInfo[user.superior];
+            _mint(superiorUser, vdodoAmount);
+            uint256 dodoAmount = DecimalMath.mulCeil(vdodoAmount, alpha);
+            superiorUser.credit = superiorUser.credit.add(dodoAmount);
+        }
+    }
+
+    function _redeem(UserInfo storage from, uint256 vdodoAmount) internal {
+        from.VDODOAmount = uint128(uint256(from.VDODOAmount).sub(vdodoAmount));
+        totalSupply = totalSupply.sub(vdodoAmount);
+    }
+
+    function _redeemFromSuperior(UserInfo storage user, uint256 vdodoAmount) internal {
+        if (vdodoAmount > 0) {
+            vdodoAmount = user.superiorVDODO <= vdodoAmount ? user.superiorVDODO : vdodoAmount;
+            user.superiorVDODO = uint128(uint256(user.superiorVDODO).sub(vdodoAmount));
+
+            UserInfo storage superiorUser = userInfo[user.superior];
+            uint256 creditVDODO = DecimalMath.divFloor(superiorUser.credit, alpha);
+
+            if (vdodoAmount >= creditVDODO) {
+                superiorUser.credit = 0;
+                _redeem(superiorUser, creditVDODO);
+            } else {
+                superiorUser.credit = superiorUser.credit.sub(
+                    DecimalMath.mulFloor(vdodoAmount, alpha)
+                );
+                _redeem(superiorUser, vdodoAmount);
+            }
+        }
+    }
+
+    function _transfer(
+        address from,
+        address to,
+        uint256 _amount
+    ) internal balanceEnough(from, _amount) canTransfer {
+        require(from != address(0), "transfer from the zero address");
+        require(to != address(0), "transfer to the zero address");
+
+        UserInfo storage fromUser = userInfo[from];
+        fromUser.VDODOAmount = uint128(uint256(fromUser.VDODOAmount).sub(_amount));
+
+        UserInfo storage toUser = userInfo[to];
+        toUser.VDODOAmount = uint128(uint256(toUser.VDODOAmount).add(_amount));
+
+        uint256 superiorRedeemVDODO = DecimalMath.mulFloor(_amount, _SUPERIOR_RATIO_);
+
+        if (fromUser.superior != address(0)) {
+            _redeemFromSuperior(fromUser, superiorRedeemVDODO);
+        }
+
+        if (toUser.superior != address(0)) {
+            _mintToSuperior(toUser, superiorRedeemVDODO);
+        }
+
+        emit Transfer(from, to, _amount);
+    }
+}
diff --git a/contracts/SmartRoute/helper/DODOCalleeHelper.sol b/contracts/SmartRoute/helper/DODOCalleeHelper.sol
index a77f606..5ea225f 100644
--- a/contracts/SmartRoute/helper/DODOCalleeHelper.sol
+++ b/contracts/SmartRoute/helper/DODOCalleeHelper.sol
@@ -76,7 +76,9 @@ contract DODOCalleeHelper is ReentrancyGuard {
                 to.transfer(amount);
             }
         } else {
-            SafeERC20.safeTransfer(IERC20(token), to, amount);
+            if (amount > 0) {
+                SafeERC20.safeTransfer(IERC20(token), to, amount);
+            }
         }
     }
 }
diff --git a/deploy-detail-v1.5.txt b/deploy-detail-v1.5.txt
index 10ef18c..488512c 100644
--- a/deploy-detail-v1.5.txt
+++ b/deploy-detail-v1.5.txt
@@ -112,3 +112,11 @@ Deploy time: 2021/1/26 下午5:41:41
 Deploy type: Proxy
 DODOV1Proxy04 Address:  0xa2CB66EBB947D217f61510882096F6e95c1DE97D
 Set DODOProxy Owner tx:  0xe49234c67bc710a7f4797aacbb2ef26fac458832f101e856d8113cc21721cd81
+====================================================
+network type: kovan
+Deploy time: 2021/2/1 下午11:07:47
+Deploy type: Proxy
+====================================================
+network type: kovan
+Deploy time: 2021/2/1 下午11:08:57
+Deploy type: Proxy
diff --git a/deploy-detail-v2.0.txt b/deploy-detail-v2.0.txt
index 83b513d..894105c 100644
--- a/deploy-detail-v2.0.txt
+++ b/deploy-detail-v2.0.txt
@@ -542,3 +542,33 @@ Deploy time: 2021/1/26 下午5:29:51
 ====================================================
 network type: live
 Deploy time: 2021/1/26 下午5:42:23
+====================================================
+network type: kovan
+Deploy time: 2021/2/1 下午11:09:38
+Deploy type: V2
+DODOApprove Address:  0x929ce7b28aA759a1C0E6e855ff2545f9e5ca846A
+DODOApproveProxy Address:  0x8a61c59e2DE32af51A252d754c7f852aA44191C8
+DODOV2Proxy02 Address:  0xf47BEA4D26026810787b56670502E058CEe5c386
+Init DODOProxyV2 Tx: 0x48c4de1d6008c96d82a92da63747385b218b56fe3451d4256b9b8429623d34f4
+DODOApproveProxy Init tx:  0xb12443d847d426fbeed3c0c3d0e796d52b214ebff65ca604a72dd7400b94e42c
+DODOApprove Init tx:  0x26d3f4be069eccf94b0b6d3ee1db07a534cadc98c4dd2b96fd5921d00f57403c
+DODOIncentive ChangeProxy tx:  0x9564307e19b26aed9980d9ac007dc88b789450893540426618de4f1039f5584f
+====================================================
+network type: kovan
+Deploy time: 2021/2/2 下午2:28:36
+====================================================
+network type: kovan
+Deploy time: 2021/2/2 下午2:38:26
+Deploy type: V2
+DppTemplateAddress:  0x6b9Db3908ddFD853AD2A42Ab75b5de3f22f137a5
+DppAdminTemplateAddress:  0x2d69731283ac620760309d8b561De11C6166a5F5
+DODOApprove Address:  0x7BD4dBc1F3cd0333E910aa9eeA14A2d96e3684C2
+DODOApproveProxy Address:  0x0cB68c60E4C2F023C4fdbC6Cbe283aAb34866e8a
+DppFactoryAddress:  0x80c03749C22Acbe5EaFEb1d550a32C707a67fc34
+Init DppFactory Tx: 0x643c1fdcefe736f782f0c1be2478ff09515030eb9e6c6030f0ec9513bd327bf7
+DODOV2RouteHelper Address:  0xD5171044E369Ef316125da5A0Af8E75ea6Cd3A90
+DODOV2Proxy02 Address:  0xFC6840905E7E550A209B3856f313C523D2f9a3e3
+Init DODOProxyV2 Tx: 0xb41219ef20f0496c8c2088bf8d30a64dd3fa1ef5cdaeaa9161a6da52349dd76d
+DODOApproveProxy Init tx:  0x38ced5f643938891ad553b40bafe55ffc6065a15e4bbc81f4cdfbe4f3a0b9494
+DODOApprove Init tx:  0x7eac3f1fa6dbe499351ea52066623980615bdc7901a84f2afa8fc67e34e4be59
+DODOIncentive ChangeProxy tx:  0x6d64bae7ee09f12db0bfc18823ac8e2ca1d682184c1ed3cc157f2b39641409e3
diff --git a/migrations/3_deploy_v2.js b/migrations/3_deploy_v2.js
index 0013aef..946a977 100644
--- a/migrations/3_deploy_v2.js
+++ b/migrations/3_deploy_v2.js
@@ -85,7 +85,7 @@ module.exports = async (deployer, network, accounts) => {
         DefaultPermissionAddress = "0xACc7E23368261e1E02103c4e5ae672E7D01f5797";
 
         DvmTemplateAddress = "0xA6384D1501842e9907D43148E2ca0d50E4ad56E2";
-        DppTemplateAddress = "0x044b48D64E77Ab8854C46c8456dC05C540c9dd53";
+        DppTemplateAddress = "";
         DppAdminTemplateAddress = "";
         CpTemplateAddress = "0x81c802080c3CE0dE98fcb625670A14Eb8440184a";
         //Factory
@@ -379,8 +379,8 @@ module.exports = async (deployer, network, accounts) => {
             logger.log("DODOIncentive ChangeProxy tx: ", tx.tx);
 
             //3. Open trade incentive 
-            var tx = await DODOIncentiveInstance.changePerReward("10000000000000000000");
-            logger.log("DODOIncentive OpenSwitch tx: ", tx.tx);
+            // var tx = await DODOIncentiveInstance.changePerReward("10000000000000000000");
+            // logger.log("DODOIncentive OpenSwitch tx: ", tx.tx);
 
             //4. Transfer DODO to Trade Incentive
         }
diff --git a/test/utils/Contracts.ts b/test/utils/Contracts.ts
index 5842d33..7bc7c90 100644
--- a/test/utils/Contracts.ts
+++ b/test/utils/Contracts.ts
@@ -47,6 +47,9 @@ export const DODO_CALLEE_HELPER_NAME = "DODOCalleeHelper"
 export const CROWD_POOLING_NAME = "CP"
 export const CROWD_POOLING_FACTORY = "CrowdPoolingFactory"
 export const DODO_INCENTIVE = "DODOIncentive"
+export const VDODO_NAME = "vDODOToken"
+export const DODO_CULATION_HELPER = "DODOCirculationHelper"
+export const DODO_GOVERNANCE = "Governance"
 
 interface ContractJson {
   abi: any;
diff --git a/test/utils/Converter.ts b/test/utils/Converter.ts
index e01ac5d..d1d67b9 100644
--- a/test/utils/Converter.ts
+++ b/test/utils/Converter.ts
@@ -1,4 +1,6 @@
 import BigNumber from "bignumber.js";
+import { getDefaultWeb3 } from './EVM';
+
 
 export const MAX_UINT256 = "0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"
 
@@ -12,4 +14,9 @@ export function gweiStr(gwei: string): string {
 
 export function mweiStr(gwei: string): string {
   return new BigNumber(gwei).multipliedBy(10 ** 6).toFixed(0, BigNumber.ROUND_DOWN)
+}
+
+export function fromWei(value: string, unit: any): string {
+  var web3 = getDefaultWeb3();
+  return web3.utils.fromWei(value, unit);
 }
\ No newline at end of file
diff --git a/test/utils/VDODOContext.ts b/test/utils/VDODOContext.ts
new file mode 100644
index 0000000..c04775c
--- /dev/null
+++ b/test/utils/VDODOContext.ts
@@ -0,0 +1,148 @@
+/*
+
+    Copyright 2021 DODO ZOO.
+    SPDX-License-Identifier: Apache-2.0
+
+*/
+
+import BigNumber from 'bignumber.js';
+import Web3 from 'web3';
+import { Contract } from 'web3-eth-contract';
+
+import * as contracts from './Contracts';
+import { decimalStr, MAX_UINT256 } from './Converter';
+import { EVM, getDefaultWeb3 } from './EVM';
+import * as log from './Log';
+
+BigNumber.config({
+  EXPONENTIAL_AT: 1000,
+  DECIMAL_PLACES: 80,
+});
+
+export class VDODOContext {
+  EVM: EVM;
+  Web3: Web3;
+  Deployer: string;
+  Maintainer: string;
+  SpareAccounts: string[];
+
+  //token
+  DODO: Contract;
+  VDODO: Contract;
+
+  DODOApprove: Contract;
+  DODOApproveProxy: Contract;
+
+  DODOCirculationHelper: Contract;
+  Governance: Contract;
+
+  lastRewardBlock: number;
+  alpha: number;
+
+
+
+  constructor() { }
+
+  async init() {
+    this.EVM = new EVM();
+    this.Web3 = getDefaultWeb3();
+
+    const allAccounts = await this.Web3.eth.getAccounts();
+    this.Deployer = allAccounts[0];
+    this.Maintainer = allAccounts[1];
+    this.SpareAccounts = allAccounts.slice(2, 10);
+
+    this.DODO = await contracts.newContract(
+      contracts.MINTABLE_ERC20_CONTRACT_NAME,
+      ["DODO Token", "DODO", 18]
+    );
+
+    this.DODOApprove = await contracts.newContract(
+      contracts.SMART_APPROVE
+    );
+
+    this.DODOApproveProxy = await contracts.newContract(
+      contracts.SMART_APPROVE_PROXY,
+      [this.DODOApprove.options.address]
+    )
+
+    this.Governance = await contracts.newContract(
+      contracts.DODO_GOVERNANCE,
+      [
+        this.DODO.options.address
+      ]
+    )
+
+    this.VDODO = await contracts.newContract(
+      contracts.VDODO_NAME,
+      [
+        this.Governance.options.address,
+        this.DODO.options.address,
+        "0x0000000000000000000000000000000000000000",
+        this.DODOApproveProxy.options.address,
+        "VDODO Token", "VDODO"
+      ]
+    )
+
+    this.DODOCirculationHelper = await contracts.newContract(
+      contracts.DODO_CULATION_HELPER,
+      [
+        this.VDODO.options.address,
+        this.DODO.options.address
+      ]
+    );
+
+    await this.Governance.methods.initOwner(
+      this.Deployer
+    ).send(this.sendParam(this.Deployer))
+
+    await this.Governance.methods.setVDODOAddress(
+      this.VDODO.options.address
+    ).send(this.sendParam(this.Deployer))
+
+    await this.DODOApprove.methods.init(this.Deployer, this.DODOApproveProxy.options.address).send(this.sendParam(this.Deployer));
+    await this.DODOApproveProxy.methods.init(this.Deployer, [this.VDODO.options.address]).send(this.sendParam(this.Deployer));
+
+
+    await this.VDODO.methods.initOwner(
+      this.Deployer
+    ).send(this.sendParam(this.Deployer))
+
+    await this.VDODO.methods.changePerReward(decimalStr("1")).send(this.sendParam(this.Deployer));
+    await this.VDODO.methods.updateDODOCirculationHelper(this.DODOCirculationHelper.options.address).send(this.sendParam(this.Deployer));
+    await this.mintTestToken(this.VDODO.options.address, decimalStr("100000"));
+
+    this.alpha = await this.VDODO.methods.alpha().call();
+    this.lastRewardBlock = await this.VDODO.methods.lastRewardBlock().call();
+
+    console.log(log.blueText("[Init VDODO context]"));
+
+    console.log("init           alpha = " + this.alpha);
+    console.log("init lastRewardBlock = " + this.lastRewardBlock);
+  }
+
+  sendParam(sender, value = "0") {
+    return {
+      from: sender,
+      gas: process.env["COVERAGE"] ? 10000000000 : 7000000,
+      gasPrice: process.env.GAS_PRICE,
+      value: decimalStr(value),
+    };
+  }
+
+  async mintTestToken(to: string, amount: string) {
+    await this.DODO.methods.mint(to, amount).send(this.sendParam(this.Deployer));
+  }
+
+  async approveProxy(account: string) {
+    await this.DODO.methods
+      .approve(this.DODOApprove.options.address, MAX_UINT256)
+      .send(this.sendParam(account));
+  }
+}
+
+export async function getVDODOContext(): Promise<VDODOContext> {
+  var context = new VDODOContext();
+  await context.init();
+  return context;
+}
diff --git a/test/vDODO/erc20.test.ts b/test/vDODO/erc20.test.ts
new file mode 100644
index 0000000..8936e6a
--- /dev/null
+++ b/test/vDODO/erc20.test.ts
@@ -0,0 +1,346 @@
+/*
+
+    Copyright 2021 DODO ZOO.
+    SPDX-License-Identifier: Apache-2.0
+
+*/
+
+import { decimalStr, fromWei } from '../utils/Converter';
+import { logGas } from '../utils/Log';
+import { VDODOContext, getVDODOContext } from '../utils/VDODOContext';
+import { assert } from 'chai';
+import BigNumber from 'bignumber.js';
+const truffleAssert = require('truffle-assertions');
+
+let account0: string;
+let account1: string;
+let account2: string;
+let account3: string;
+let defaultSuperAddress: string;
+let owner: string;
+
+async function init(ctx: VDODOContext): Promise<void> {
+    account0 = ctx.SpareAccounts[0];
+    account1 = ctx.SpareAccounts[1];
+    account2 = ctx.SpareAccounts[2];
+    account3 = ctx.SpareAccounts[3];
+    defaultSuperAddress = ctx.Maintainer
+    owner = ctx.Deployer
+
+    await ctx.mintTestToken(account0, decimalStr("1000"));
+    await ctx.mintTestToken(account2, decimalStr("1000"));
+
+    await ctx.approveProxy(account0);
+    await ctx.approveProxy(account1);
+    await ctx.approveProxy(account2);
+    await ctx.approveProxy(account3);
+
+    await ctx.VDODO.methods.setCantransfer(true).send(ctx.sendParam(owner))
+}
+
+async function getGlobalState(ctx: VDODOContext, logInfo?: string) {
+    var alpha = await ctx.VDODO.methods.getLatestAlpha().call();
+    var lastRewardBlock = await ctx.VDODO.methods.lastRewardBlock().call();
+    var totalSuppy = await ctx.VDODO.methods.totalSupply().call();
+    // console.log(logInfo + " alpha:" + fromWei(alpha, 'ether') + " lastRewardBlock:" + lastRewardBlock + " totalSuppy:" + fromWei(totalSuppy, 'ether'));
+    return [alpha, lastRewardBlock,totalSuppy]
+  }
+  
+  async function dodoBalance(ctx: VDODOContext, user: string, logInfo?: string) {
+    var dodo_contract = await ctx.DODO.methods.balanceOf(ctx.VDODO.options.address).call();
+    var dodo_account = await ctx.DODO.methods.balanceOf(user).call();
+  
+    // console.log(logInfo + " DODO:" + fromWei(dodo_contract, 'ether') + " account:" + fromWei(dodo_account, 'ether'));
+    return [dodo_contract, dodo_account]
+  }
+  
+  async function getUserInfo(ctx: VDODOContext, user: string, logInfo?: string) {
+    var info = await ctx.VDODO.methods.userInfo(user).call();
+    var res = {
+      "VDODOAmount": info.VDODOAmount,
+      "superiorVDODO": info.superiorVDODO,
+      "superior": info.superior,
+      "credit": info.credit
+    }
+    // console.log(logInfo + " VDODOAmount:" + fromWei(info.VDODOAmount, 'ether') + " superiorVDODO:" + fromWei(info.superiorVDODO, 'ether') + " superior:" + info.superior + " credit:" + fromWei(info.credit, 'ether'));
+    return res
+  }
+  
+  async function mint(ctx: VDODOContext, user: string, mintAmount: string, superior: string) {
+    await ctx.VDODO.methods.mint(
+      mintAmount,
+      superior
+    ).send(ctx.sendParam(user));
+  }
+
+describe("vDODO-erc20", () => {
+    let snapshotId: string;
+    let ctx: VDODOContext;
+
+    before(async () => {
+        ctx = await getVDODOContext();
+        //打开transfer开关
+        await init(ctx);
+    });
+
+    beforeEach(async () => {
+        snapshotId = await ctx.EVM.snapshot();
+    });
+
+    afterEach(async () => {
+        await ctx.EVM.reset(snapshotId);
+    });
+
+    describe("vdodo-erc20", () => {
+
+        it("transfer-vdodo", async () => {
+            //检查四个人 【包括from, to 以及各自的上级】，info变化
+            //alpha lastRewardBlock
+            //各自dodo余额变化
+
+            let [,lastRewardBlockStart,] = await getGlobalState(ctx, "before");
+            await ctx.VDODO.methods.mint(decimalStr("10"),account1).send(ctx.sendParam(account0))
+            await ctx.VDODO.methods.mint(decimalStr("10"),account3).send(ctx.sendParam(account2))
+
+            //增加一个区块
+            await ctx.mintTestToken(account0, decimalStr("0"));
+            let [alpha,lastRewardBlock,] = await getGlobalState(ctx, "after");
+            
+            assert.equal(lastRewardBlock,Number(lastRewardBlockStart)+11);
+
+            assert.equal(alpha, "113833992094861660108");
+            var totalSuppy = await ctx.VDODO.methods.totalSupply().call();
+            assert.equal(
+                totalSuppy
+                , decimalStr("0.210833333333333332"));
+
+        
+
+            let userInfo0 = await getUserInfo(ctx, account0, "User0 ");
+            assert.equal(userInfo0.VDODOAmount, decimalStr("0.1"));
+            assert.equal(userInfo0.superiorVDODO, decimalStr("0.01"));
+            assert.equal(userInfo0.credit, "0");
+            let userInfo1 = await getUserInfo(ctx, account1, "User0 Superior ")
+            assert.equal(userInfo1.VDODOAmount, decimalStr("0.01"));
+            assert.equal(userInfo1.superiorVDODO, decimalStr("0"));
+            assert.equal(userInfo1.credit, decimalStr("1"));
+
+            let userInfo2 = await getUserInfo(ctx, account2, "User2 ");
+            assert.equal(userInfo2.VDODOAmount, decimalStr("0.091666666666666666"));
+            assert.equal(userInfo2.superiorVDODO, decimalStr("0.009166666666666666"));
+            assert.equal(userInfo2.credit, decimalStr("0"));
+            let userInfo3 = await getUserInfo(ctx, account3, "User2 Superior");
+            assert.equal(userInfo3.VDODOAmount, decimalStr("0.009166666666666666"));
+            assert.equal(userInfo3.superiorVDODO, decimalStr("0"));
+            assert.equal(userInfo3.credit, decimalStr("0.999999999999999928"));
+
+
+            let [, dodo_u0] = await dodoBalance(ctx, account0, "start")
+            assert.equal(dodo_u0, "990000000000000000000");
+            let [, dodo_u1] = await dodoBalance(ctx, account1, "start")
+            assert.equal(dodo_u1, "0");
+            let [, dodo_u2] = await dodoBalance(ctx, account2, "start")
+            assert.equal(dodo_u2, "990000000000000000000");
+            let [, dodo_u3] = await dodoBalance(ctx, account3, "start")
+            assert.equal(dodo_u3, "0");
+
+            await logGas(await ctx.VDODO.methods.transfer(
+                account2,
+                decimalStr("0.1")
+              ), ctx.sendParam(account0), "transfer");
+        
+
+            // await ctx.VDODO.methods.transfer(account2,decimalStr("0.1")).send(ctx.sendParam(account0))
+
+            let userInfo0_after = await getUserInfo(ctx, account0, "userInfo0_after");
+            let userInfo1_after = await getUserInfo(ctx, account1, "userInfo1_after");
+            let userInfo2_after = await getUserInfo(ctx, account2, "userInfo2_after");
+            let userInfo3_after = await getUserInfo(ctx, account3, "userInfo3_after");
+            
+
+            assert.equal(userInfo0_after.VDODOAmount, "0");
+            assert.equal(userInfo0_after.superiorVDODO, "0");
+            assert.equal(userInfo0_after.credit, "0");
+
+            assert.equal(userInfo1_after.VDODOAmount, decimalStr("0.001566666666666667"));
+            assert.equal(userInfo1_after.superiorVDODO, decimalStr("0"));
+            assert.equal(userInfo1_after.credit, "0");
+
+            assert.equal(userInfo2_after.VDODOAmount, decimalStr("0.191666666666666666"));
+            assert.equal(userInfo2_after.superiorVDODO, decimalStr("0.019166666666666666"));
+            assert.equal(userInfo2_after.credit, "0");
+
+            assert.equal(userInfo3_after.VDODOAmount, decimalStr("0.019166666666666666"));
+            assert.equal(userInfo3_after.superiorVDODO, decimalStr("0"));
+            assert.equal(userInfo3_after.credit, decimalStr("2.185770750988142222"));
+
+
+
+            let [alphaEnd,lastRewardBlockEnd,totalSuppyEnd] = await getGlobalState(ctx, "end");
+            assert.equal(alphaEnd, decimalStr("118.577075098814229308"));
+            assert.equal(totalSuppyEnd, decimalStr("0.212399999999999999"));
+            assert.equal(lastRewardBlockEnd,Number(lastRewardBlock)+2);
+
+
+            let [, dodo_u0_end] = await dodoBalance(ctx, account0, "end")
+            assert.equal(dodo_u0_end, "990000000000000000000");
+            let [, dodo_u1_end] = await dodoBalance(ctx, account1, "end")
+            assert.equal(dodo_u1_end, "0");
+            let [, dodo_u2_end] = await dodoBalance(ctx, account2, "end")
+            assert.equal(dodo_u2_end, "990000000000000000000");
+            let [, dodo_u3_end] = await dodoBalance(ctx, account3, "end")
+            assert.equal(dodo_u3_end, "0");
+            
+        });
+
+        it("transferFrom-vdodo", async () => {
+            //检查四个人 【包括from, to 以及各自的上级】，info变化
+            //alpha lastRewardBlock
+            //各自dodo余额变化
+            //approve 状态变化
+
+            let [,lastRewardBlockStart,] = await getGlobalState(ctx, "before");
+            await ctx.VDODO.methods.mint(decimalStr("10"),account1).send(ctx.sendParam(account0))
+            await ctx.VDODO.methods.mint(decimalStr("10"),account3).send(ctx.sendParam(account2))
+
+            //增加一个区块
+            await ctx.mintTestToken(account0, decimalStr("0"));
+            let [alpha,lastRewardBlock,] = await getGlobalState(ctx, "after");
+            
+            assert.equal(lastRewardBlock,Number(lastRewardBlockStart)+11);
+
+            assert.equal(alpha, "113833992094861660108");
+            var totalSuppy = await ctx.VDODO.methods.totalSupply().call();
+            assert.equal(
+                totalSuppy
+                , decimalStr("0.210833333333333332"));
+
+        
+
+            let userInfo0 = await getUserInfo(ctx, account0, "User0 ");
+            assert.equal(userInfo0.VDODOAmount, decimalStr("0.1"));
+            assert.equal(userInfo0.superiorVDODO, decimalStr("0.01"));
+            assert.equal(userInfo0.credit, "0");
+            let userInfo1 = await getUserInfo(ctx, account1, "User0 Superior ")
+            assert.equal(userInfo1.VDODOAmount, decimalStr("0.01"));
+            assert.equal(userInfo1.superiorVDODO, decimalStr("0"));
+            assert.equal(userInfo1.credit, decimalStr("1"));
+
+            let userInfo2 = await getUserInfo(ctx, account2, "User2 ");
+            assert.equal(userInfo2.VDODOAmount, decimalStr("0.091666666666666666"));
+            assert.equal(userInfo2.superiorVDODO, decimalStr("0.009166666666666666"));
+            assert.equal(userInfo2.credit, decimalStr("0"));
+            let userInfo3 = await getUserInfo(ctx, account3, "User2 Superior");
+            assert.equal(userInfo3.VDODOAmount, decimalStr("0.009166666666666666"));
+            assert.equal(userInfo3.superiorVDODO, decimalStr("0"));
+            assert.equal(userInfo3.credit, decimalStr("0.999999999999999928"));
+
+
+            let [, dodo_u0] = await dodoBalance(ctx, account0, "start")
+            assert.equal(dodo_u0, "990000000000000000000");
+            let [, dodo_u1] = await dodoBalance(ctx, account1, "start")
+            assert.equal(dodo_u1, "0");
+            let [, dodo_u2] = await dodoBalance(ctx, account2, "start")
+            assert.equal(dodo_u2, "990000000000000000000");
+            let [, dodo_u3] = await dodoBalance(ctx, account3, "start")
+            assert.equal(dodo_u3, "0");
+
+
+            await logGas(await ctx.VDODO.methods.approve(
+                account3,
+                decimalStr("0.1")
+            ), ctx.sendParam(account0), "approve");
+
+            await logGas(await ctx.VDODO.methods.transferFrom(
+                account0,
+                account2,
+                decimalStr("0.1")
+            ), ctx.sendParam(account3), "transferFrom");
+
+            let userInfo0_after = await getUserInfo(ctx, account0, "userInfo0_after");
+            let userInfo1_after = await getUserInfo(ctx, account1, "userInfo1_after");
+            let userInfo2_after = await getUserInfo(ctx, account2, "userInfo2_after");
+            let userInfo3_after = await getUserInfo(ctx, account3, "userInfo3_after");
+            
+
+            assert.equal(userInfo0_after.VDODOAmount, "0");
+            assert.equal(userInfo0_after.superiorVDODO, "0");
+            assert.equal(userInfo0_after.credit, "0");
+
+            assert.equal(userInfo1_after.VDODOAmount, decimalStr("0.001891025641025642"));
+            assert.equal(userInfo1_after.superiorVDODO, decimalStr("0"));
+            assert.equal(userInfo1_after.credit, "0");
+
+            assert.equal(userInfo2_after.VDODOAmount, decimalStr("0.191666666666666666"));
+            assert.equal(userInfo2_after.superiorVDODO, decimalStr("0.019166666666666666"));
+            assert.equal(userInfo2_after.credit, "0");
+
+            assert.equal(userInfo3_after.VDODOAmount, decimalStr("0.019166666666666666"));
+            assert.equal(userInfo3_after.superiorVDODO, decimalStr("0"));
+            assert.equal(userInfo3_after.credit, decimalStr("2.233201581027667914"));
+
+
+
+            let [alphaEnd,lastRewardBlockEnd,totalSuppyEnd] = await getGlobalState(ctx, "end");
+            assert.equal(alphaEnd, decimalStr("123.320158102766798508"));
+            assert.equal(totalSuppyEnd, decimalStr("0.212724358974358974"));
+            assert.equal(lastRewardBlockEnd,Number(lastRewardBlock)+3);
+
+
+            let [, dodo_u0_end] = await dodoBalance(ctx, account0, "end")
+            assert.equal(dodo_u0_end, "990000000000000000000");
+            let [, dodo_u1_end] = await dodoBalance(ctx, account1, "end")
+            assert.equal(dodo_u1_end, "0");
+            let [, dodo_u2_end] = await dodoBalance(ctx, account2, "end")
+            assert.equal(dodo_u2_end, "990000000000000000000");
+            let [, dodo_u3_end] = await dodoBalance(ctx, account3, "end")
+            assert.equal(dodo_u3_end, "0");
+
+
+            //再次transferFrom 预期revert
+            //预期revert
+            await truffleAssert.reverts(
+                ctx.VDODO.methods.transferFrom(account0,account2,decimalStr("0.1")).send(ctx.sendParam(account3)),
+                "ALLOWANCE_NOT_ENOUGH"
+            )
+        });
+
+        it("transfer - close", async () => {
+
+            await ctx.VDODO.methods.setCantransfer(false).send(ctx.sendParam(owner))
+            
+            await ctx.VDODO.methods.mint(decimalStr("10"),defaultSuperAddress).send(ctx.sendParam(account0))
+            assert.equal(
+                await ctx.DODO.methods.balanceOf(account0).call(),
+                decimalStr("990")
+            );
+            assert.equal(
+                await ctx.DODO.methods.balanceOf(ctx.VDODO.options.address).call(),
+                decimalStr("100010")
+            );
+            assert.equal(
+                await ctx.VDODO.methods.balanceOf(account0).call(),
+                decimalStr("0.1")
+            );
+            
+            assert.equal(
+                await ctx.VDODO.methods.balanceOf(account1).call(),
+                decimalStr("0")
+            );
+            //预期revert
+            await truffleAssert.reverts(
+                ctx.VDODO.methods.transfer(account1,decimalStr("0.1")).send(ctx.sendParam(account0)),
+                "vDODOToken: not allowed transfer"
+            )
+            assert.equal(
+                await ctx.VDODO.methods.balanceOf(account0).call(),
+                decimalStr("0.1")
+            );
+            assert.equal(
+                await ctx.VDODO.methods.balanceOf(account1).call(),
+                decimalStr("0")
+            );
+
+        });
+    })
+});
diff --git a/test/vDODO/global.test.ts b/test/vDODO/global.test.ts
new file mode 100644
index 0000000..1fcd32a
--- /dev/null
+++ b/test/vDODO/global.test.ts
@@ -0,0 +1,132 @@
+/*
+
+    Copyright 2021 DODO ZOO.
+    SPDX-License-Identifier: Apache-2.0
+
+*/
+
+import { decimalStr, fromWei } from '../utils/Converter';
+import { logGas } from '../utils/Log';
+import { VDODOContext, getVDODOContext } from '../utils/VDODOContext';
+import { assert } from 'chai';
+import BigNumber from 'bignumber.js';
+
+let account0: string;
+let account1: string;
+
+async function init(ctx: VDODOContext): Promise<void> {
+    account0 = ctx.SpareAccounts[0];
+    account1 = ctx.SpareAccounts[1];
+
+    await ctx.mintTestToken(account0, decimalStr("1000"));
+    await ctx.mintTestToken(account1, decimalStr("1000"));
+
+    await ctx.approveProxy(account0);
+    await ctx.approveProxy(account1);
+}
+
+async function getGlobalState(ctx: VDODOContext, logInfo?: string) {
+    var alpha = await ctx.VDODO.methods.getLatestAlpha().call();
+    var lastRewardBlock = await ctx.VDODO.methods.lastRewardBlock().call();
+    var totalSuppy = await ctx.VDODO.methods.totalSupply().call();
+    var dodoPerBlock = await ctx.VDODO.methods.dodoPerBlock().call();
+    // console.log(logInfo + "==> alpha:" + fromWei(alpha, 'ether') + " lastRewardBlock:" + lastRewardBlock + " totalSuppy:" + fromWei(totalSuppy, 'ether')+ " dodoPerBlock:" + fromWei(dodoPerBlock, 'ether'));
+    return [alpha, lastRewardBlock,dodoPerBlock]
+  }
+describe("vDODO-owner", () => {
+    let snapshotId: string;
+    let ctx: VDODOContext;
+
+    before(async () => {
+        ctx = await getVDODOContext();
+        await init(ctx);
+    });
+
+    beforeEach(async () => {
+        snapshotId = await ctx.EVM.snapshot();
+    });
+
+    afterEach(async () => {
+        await ctx.EVM.reset(snapshotId);
+    });
+
+    describe("vdodo-erc20", () => {
+
+        it("change-reward", async () => {
+            //改变前alpha lastRewardBlock 状态
+            let [alpha,lastRewardBlock,dodoPerBlock] =  await getGlobalState(ctx, "before");
+
+            //change-reward
+            await ctx.VDODO.methods.changePerReward(decimalStr("2")).send(ctx.sendParam(ctx.Deployer))
+            //改变后状态
+            let [alphaAfter,lastRewardBlockAfter,dodoPerBlockAfter] =  await getGlobalState(ctx, "after");
+
+            assert.equal(
+                await lastRewardBlock,
+                Number(lastRewardBlockAfter)-7
+            );
+            assert.equal(//totalSupply==0
+                await alpha,
+                alphaAfter
+            );
+            assert.notEqual(
+                await dodoPerBlock,
+                dodoPerBlockAfter
+            );
+        });
+
+
+        it("donate", async () => {
+            //改变前alpha lastRewardBlock 状态
+            let [before,lastRewardBlock,] = await getGlobalState(ctx, "before");
+
+            await logGas(await ctx.VDODO.methods.mint(
+                decimalStr("100"),
+                account1
+              ), ctx.sendParam(account0), "mint-fisrt");
+        
+            await logGas(await ctx.VDODO.methods.donate(
+                decimalStr("100")
+            ), ctx.sendParam(account0), "donate");
+
+        
+            let [alphaAfter,lastRewardBlockAfter,] = await getGlobalState(ctx, "after");
+            assert.notEqual(
+                before, 
+                alphaAfter
+            );
+            assert.equal(
+                alphaAfter, 
+                "191818181818181818180"//newAlpha +amount/totalSupply
+            );
+            assert.equal(
+                lastRewardBlock,
+                Number(lastRewardBlockAfter)-7
+            );
+        });
+        it("read-helper", async () => {
+            //不同amount对应的feeRatio （5 5-15 15）
+            let ratio0 = await ctx.DODOCirculationHelper.methods.geRatioValue(decimalStr("0.2")).call()//<=1 ->5
+            assert.equal(
+                ratio0,
+                decimalStr("0.05")
+            );
+
+            let ratio1 = await ctx.DODOCirculationHelper.methods.geRatioValue(decimalStr("11")).call()//>=10 ->15
+            assert.equal(
+                ratio1,
+                decimalStr("0.15")
+            );
+
+            let ratio2 = await ctx.DODOCirculationHelper.methods.geRatioValue(decimalStr("6")).call()//-->5-15
+            assert.equal(
+                ratio2,
+                decimalStr("0.066852058071690192")
+            );
+            // console.log("ratio2 = "+ fromWei(ratio2, 'ether'));
+            assert.isAbove(Number(ratio2),Number(ratio0))
+            assert.isBelow(Number(ratio2),Number(ratio1))
+            
+        });
+    })
+});
diff --git a/test/vDODO/mintRedeem.test.ts b/test/vDODO/mintRedeem.test.ts
new file mode 100644
index 0000000..1da9efc
--- /dev/null
+++ b/test/vDODO/mintRedeem.test.ts
@@ -0,0 +1,354 @@
+/*
+
+    Copyright 2021 DODO ZOO.
+    SPDX-License-Identifier: Apache-2.0
+
+*/
+
+import { decimalStr, fromWei } from '../utils/Converter';
+import { logGas } from '../utils/Log';
+import { VDODOContext, getVDODOContext } from '../utils/VDODOContext';
+import { assert } from 'chai';
+
+let account0: string;
+let account1: string;
+let account2: string;
+let account3: string;
+let account4: string;
+
+async function init(ctx: VDODOContext): Promise<void> {
+  account0 = ctx.SpareAccounts[0];
+  account1 = ctx.SpareAccounts[1];
+  account2 = ctx.SpareAccounts[2];
+  account3 = ctx.SpareAccounts[3];
+  account4 = ctx.SpareAccounts[4];
+
+  await ctx.mintTestToken(account0, decimalStr("100000"));
+  await ctx.mintTestToken(account1, decimalStr("1000"));
+  await ctx.mintTestToken(account2, decimalStr("1000"));
+  await ctx.mintTestToken(account3, decimalStr("1000"));
+  await ctx.mintTestToken(account4, decimalStr("1000"));
+
+  await ctx.approveProxy(account0);
+  await ctx.approveProxy(account1);
+  await ctx.approveProxy(account2);
+  await ctx.approveProxy(account3);
+  await ctx.approveProxy(account4);
+}
+
+async function getGlobalState(ctx: VDODOContext, logInfo?: string) {
+  var alpha = await ctx.VDODO.methods.getLatestAlpha().call();
+  var lastRewardBlock = await ctx.VDODO.methods.lastRewardBlock().call();
+  var totalSuppy = await ctx.VDODO.methods.totalSupply().call();
+  console.log(logInfo + " alpha:" + fromWei(alpha, 'ether') + " lastRewardBlock:" + lastRewardBlock + " totalSuppy:" + fromWei(totalSuppy, 'ether'));
+  return [alpha, lastRewardBlock]
+}
+
+async function dodoBalance(ctx: VDODOContext, user: string, logInfo?: string) {
+  var dodo_contract = await ctx.DODO.methods.balanceOf(ctx.VDODO.options.address).call();
+  var dodo_account = await ctx.DODO.methods.balanceOf(user).call();
+
+  console.log(logInfo + " DODO:" + fromWei(dodo_contract, 'ether') + " account:" + fromWei(dodo_account, 'ether'));
+  return [dodo_contract, dodo_account]
+}
+
+async function getUserInfo(ctx: VDODOContext, user: string, logInfo?: string) {
+  var info = await ctx.VDODO.methods.userInfo(user).call();
+  var res = {
+    "VDODOAmount": info.VDODOAmount,
+    "superiorVDODO": info.superiorVDODO,
+    "superior": info.superior,
+    "credit": info.credit
+  }
+  console.log(logInfo + " VDODOAmount:" + fromWei(info.VDODOAmount, 'ether') + " superiorVDODO:" + fromWei(info.superiorVDODO, 'ether') + " superior:" + info.superior + " credit:" + fromWei(info.credit, 'ether'));
+  return res
+}
+
+async function mint(ctx: VDODOContext, user: string, mintAmount: string, superior: string) {
+  await ctx.VDODO.methods.mint(
+    mintAmount,
+    superior
+  ).send(ctx.sendParam(user));
+}
+
+describe("VDODO", () => {
+  let snapshotId: string;
+  let ctx: VDODOContext;
+
+  before(async () => {
+    ctx = await getVDODOContext();
+    await init(ctx);
+  });
+
+  beforeEach(async () => {
+    snapshotId = await ctx.EVM.snapshot();
+  });
+
+  afterEach(async () => {
+    await ctx.EVM.reset(snapshotId);
+  });
+
+  describe("vdodo", () => {
+
+    it("vdodo-mint-first", async () => {
+      await getGlobalState(ctx, "before");
+      await getUserInfo(ctx, account0, "User before");
+      await getUserInfo(ctx, account1, "Superior before")
+      await dodoBalance(ctx, account0, "before")
+
+      await logGas(await ctx.VDODO.methods.mint(
+        decimalStr("100"),
+        account1
+      ), ctx.sendParam(account0), "mint-fisrt");
+
+      //增加两个区块
+      await ctx.mintTestToken(account0, decimalStr("0"));
+      await ctx.mintTestToken(account0, decimalStr("0"));
+
+      let [alpha,] = await getGlobalState(ctx, "after");
+      let userInfo = await getUserInfo(ctx, account0, "User after");
+      let superiorInfo = await getUserInfo(ctx, account1, "Superior after")
+      let [, dodo_u] = await dodoBalance(ctx, account0, "after")
+
+      assert.equal(alpha, "101818181818181818181");
+      assert.equal(userInfo.VDODOAmount, "1000000000000000000");
+      assert.equal(userInfo.superiorVDODO, "100000000000000000");
+      assert.equal(userInfo.credit, "0");
+      assert.equal(userInfo.superior, account1);
+
+      assert.equal(superiorInfo.VDODOAmount, "100000000000000000");
+      assert.equal(superiorInfo.superiorVDODO, "0");
+      assert.equal(superiorInfo.credit, "10000000000000000000");
+      assert.equal(superiorInfo.superior, "0x0000000000000000000000000000000000000000");
+
+      assert.equal(dodo_u, "99900000000000000000000")
+    });
+
+    it("vdodo-mint-second", async () => {
+      await mint(ctx, account0, decimalStr("100"), account1)
+
+      await getGlobalState(ctx, "before");
+      await getUserInfo(ctx, account0, "User before");
+      await getUserInfo(ctx, account1, "Superior before")
+      await dodoBalance(ctx, account0, "before")
+
+      await logGas(await ctx.VDODO.methods.mint(
+        decimalStr("100"),
+        account1
+      ), ctx.sendParam(account0), "mint-second");
+
+      //增加一个区块
+      await ctx.mintTestToken(account0, decimalStr("0"));
+
+      let [alpha,] = await getGlobalState(ctx, "after");
+      let userInfo = await getUserInfo(ctx, account0, "User after");
+      let superiorInfo = await getUserInfo(ctx, account1, "Superior after")
+      let [, dodo_u] = await dodoBalance(ctx, account0, "after")
+
+      assert.equal(alpha, "101365693130399012751");
+      assert.equal(userInfo.VDODOAmount, "1990990990990990990");
+      assert.equal(userInfo.superiorVDODO, "199099099099099099");
+      assert.equal(userInfo.credit, "0");
+      assert.equal(userInfo.superior, account1);
+
+      assert.equal(superiorInfo.VDODOAmount, "199099099099099099");
+      assert.equal(superiorInfo.superiorVDODO, "0");
+      assert.equal(superiorInfo.credit, "19999999999999999990");
+      assert.equal(superiorInfo.superior, "0x0000000000000000000000000000000000000000");
+
+      assert.equal(dodo_u, "99800000000000000000000")
+    });
+
+
+    it("vdodo-mint-second-otherSuperior", async () => {
+      await mint(ctx, account0, decimalStr("100"), account1)
+
+      await getGlobalState(ctx, "before");
+      await getUserInfo(ctx, account0, "User before");
+      await getUserInfo(ctx, account1, "Superior before")
+      await dodoBalance(ctx, account0, "before")
+
+      await logGas(await ctx.VDODO.methods.mint(
+        decimalStr("100"),
+        account2
+      ), ctx.sendParam(account0), "mint-second");
+
+      //增加一个区块
+      await ctx.mintTestToken(account0, decimalStr("0"));
+
+      let [alpha,] = await getGlobalState(ctx, "after");
+      let userInfo = await getUserInfo(ctx, account0, "User after");
+      let superiorInfo = await getUserInfo(ctx, account1, "Superior after")
+      let [, dodo_u] = await dodoBalance(ctx, account0, "after")
+
+      assert.equal(alpha, "101365693130399012751");
+      assert.equal(userInfo.VDODOAmount, "1990990990990990990");
+      assert.equal(userInfo.superiorVDODO, "199099099099099099");
+      assert.equal(userInfo.credit, "0");
+      assert.equal(userInfo.superior, account1);
+
+      assert.equal(superiorInfo.VDODOAmount, "199099099099099099");
+      assert.equal(superiorInfo.superiorVDODO, "0");
+      assert.equal(superiorInfo.credit, "19999999999999999990");
+      assert.equal(superiorInfo.superior, "0x0000000000000000000000000000000000000000");
+
+      let otherInfo = await getUserInfo(ctx, account2, "Superior after")
+
+      assert.equal(otherInfo.VDODOAmount, "0");
+      assert.equal(otherInfo.superiorVDODO, "0");
+      assert.equal(otherInfo.credit, "0");
+      assert.equal(otherInfo.superior, "0x0000000000000000000000000000000000000000");
+
+      assert.equal(dodo_u, "99800000000000000000000")
+    });
+
+
+    it("redeem-amount-read", async () => {
+      await mint(ctx, account0, decimalStr("100"), account1)
+
+      let [dodoReceive, burnDodoAmount, withdrawFeeDodoAmount] = await ctx.VDODO.methods.getWithdrawAmount(decimalStr("1")).call();
+
+      assert.equal(dodoReceive, decimalStr("85"));
+      assert.equal(burnDodoAmount, decimalStr("0"));
+      assert.equal(withdrawFeeDodoAmount, decimalStr("15"));
+    });
+
+
+    it("redeem-partial-haveMint", async () => {
+      await mint(ctx, account0, decimalStr("10000"), account1)
+
+      await getGlobalState(ctx, "before");
+      await getUserInfo(ctx, account0, "User before");
+      await getUserInfo(ctx, account1, "Superior before")
+      await dodoBalance(ctx, account0, "before")
+
+      await logGas(await ctx.VDODO.methods.redeem(decimalStr("10")), ctx.sendParam(account0), "redeem-partial-haveMint");
+
+      let [alpha,] = await getGlobalState(ctx, "after");
+      let userInfo = await getUserInfo(ctx, account0, "User after");
+      let superiorInfo = await getUserInfo(ctx, account1, "Superior after")
+      let [, dodo_u] = await dodoBalance(ctx, account0, "after")
+
+      assert.equal(alpha, "101524380165289256197");
+      assert.equal(userInfo.VDODOAmount, "90000000000000000000");
+      assert.equal(userInfo.superiorVDODO, "9000000000000000000");
+      assert.equal(userInfo.credit, "0");
+      assert.equal(userInfo.superior, account1);
+
+      assert.equal(superiorInfo.VDODOAmount, "9000000000000000000");
+      assert.equal(superiorInfo.superiorVDODO, "0");
+      assert.equal(superiorInfo.credit, "899990909090909090910");
+      assert.equal(superiorInfo.superior, "0x0000000000000000000000000000000000000000");
+
+      assert.equal(dodo_u, "90850077272727272727265")
+
+    });
+
+
+    it("redeem-partial-NotMint", async () => {
+      //多个下级引用
+      await mint(ctx, account1, decimalStr("100"), account0)
+      await mint(ctx, account2, decimalStr("100"), account0)
+      await mint(ctx, account3, decimalStr("100"), account0)
+      await mint(ctx, account4, decimalStr("100"), account0)
+
+      await getGlobalState(ctx, "before");
+      await getUserInfo(ctx, account0, "User before");
+      await getUserInfo(ctx, account3, "One of referer before");
+      await dodoBalance(ctx, account0, "before")
+
+      let account0VdodoAmount = await ctx.VDODO.methods.balanceOf(account0).call()
+
+      await logGas(await ctx.VDODO.methods.redeem((account0VdodoAmount - 3000) + ""), ctx.sendParam(account0), "redeem-partial-NotMint");
+
+      let [alpha,] = await getGlobalState(ctx, "after");
+      let userInfo = await getUserInfo(ctx, account0, "User after");
+      let superiorInfo = await getUserInfo(ctx, account3, "One of referer after")
+      let [, dodo_u] = await dodoBalance(ctx, account0, "after")
+
+      assert.equal(alpha, "101909933011338172201");
+      assert.equal(userInfo.VDODOAmount, "393425809544634067");
+      assert.equal(userInfo.superiorVDODO, "0");
+      assert.equal(userInfo.credit, "39999999999999999876");
+      assert.equal(userInfo.superior, "0x0000000000000000000000000000000000000000");
+
+      assert.equal(superiorInfo.VDODOAmount, "986527067608148689");
+      assert.equal(superiorInfo.superiorVDODO, "98652706760814868");
+      assert.equal(superiorInfo.credit, "0");
+      assert.equal(superiorInfo.superior, account0);
+
+      assert.equal(dodo_u, "100000232341473424735076")
+    });
+
+
+    it("redeem-all-haveMint", async () => {
+      //第一笔mint不动，防止totalSupply过小
+      await mint(ctx, account0, decimalStr("10000"), account1)
+      await mint(ctx, account1, decimalStr("100"), account2)
+
+      await getGlobalState(ctx, "before");
+      await getUserInfo(ctx, account1, "User before");
+      await getUserInfo(ctx, account2, "Superior before")
+      await dodoBalance(ctx, account1, "before")
+
+      let account1VdodoAmount = await ctx.VDODO.methods.balanceOf(account1).call()
+
+      await logGas(await ctx.VDODO.methods.redeem(account1VdodoAmount), ctx.sendParam(account1), "redeem-all-haveMint");
+
+      let [alpha,] = await getGlobalState(ctx, "after");
+      let userInfo = await getUserInfo(ctx, account1, "User after");
+      let superiorInfo = await getUserInfo(ctx, account2, "Superior after")
+      let [, dodo_u] = await dodoBalance(ctx, account1, "after")
+
+      assert.equal(alpha, "100154592821433302856");
+      assert.equal(userInfo.VDODOAmount, "9999090991728024725");
+      assert.equal(userInfo.superiorVDODO, "0");
+      assert.equal(userInfo.credit, "1000000000000000000000");
+      assert.equal(userInfo.superior, account2);
+
+      assert.equal(superiorInfo.VDODOAmount, "8998462015594");
+      assert.equal(superiorInfo.superiorVDODO, "0");
+      assert.equal(superiorInfo.credit, "0");
+      assert.equal(superiorInfo.superior, "0x0000000000000000000000000000000000000000");
+
+      assert.equal(dodo_u, "985084929758388492933")
+
+    });
+
+
+    it("redeem-all-NoMint", async () => {
+      //多个下级引用
+      await mint(ctx, account1, decimalStr("100"), account0)
+      await mint(ctx, account2, decimalStr("100"), account0)
+      await mint(ctx, account3, decimalStr("100"), account0)
+      await mint(ctx, account4, decimalStr("100"), account0)
+
+      await getGlobalState(ctx, "before");
+      await getUserInfo(ctx, account0, "User before");
+      await getUserInfo(ctx, account3, "One of referer before");
+      await dodoBalance(ctx, account0, "before")
+
+      let account0VdodoAmount = await ctx.VDODO.methods.balanceOf(account0).call()
+
+      await logGas(await ctx.VDODO.methods.redeem(account0VdodoAmount), ctx.sendParam(account0), "redeem-all-NotMint");
+
+      let [alpha,] = await getGlobalState(ctx, "after");
+      let userInfo = await getUserInfo(ctx, account0, "User after");
+      let superiorInfo = await getUserInfo(ctx, account3, "One of referer after")
+      let [, dodo_u] = await dodoBalance(ctx, account0, "after")
+
+      assert.equal(alpha, "101909933011338182738");
+      assert.equal(userInfo.VDODOAmount, "393425809544631067");
+      assert.equal(userInfo.superiorVDODO, "0");
+      assert.equal(userInfo.credit, "39999999999999999876");
+      assert.equal(userInfo.superior, "0x0000000000000000000000000000000000000000");
+
+      assert.equal(superiorInfo.VDODOAmount, "986527067608148689");
+      assert.equal(superiorInfo.superiorVDODO, "98652706760814868");
+      assert.equal(superiorInfo.credit, "0");
+      assert.equal(superiorInfo.superior, account0);
+
+      assert.equal(dodo_u, "100000232341473424994923")
+    });
+  })
+});
diff --git a/truffle-config.js b/truffle-config.js
index 5559589..e2ad8f4 100644
--- a/truffle-config.js
+++ b/truffle-config.js
@@ -38,7 +38,7 @@ module.exports = {
    * $ truffle test --network <network-name>
    */
   deploySwitch: {
-    DEPLOY_V1:        true,
+    DEPLOY_V1:        false,
     DEPLOY_V2:        false,
     ADAPTER:          false,
     MOCK_TOKEN:       false,
diff --git a/truffle-test.sh b/truffle-test.sh
index b3c15f4..3f5940a 100644
--- a/truffle-test.sh
+++ b/truffle-test.sh
@@ -36,6 +36,12 @@ then
 	truffle test ./test/V2Proxy/proxy.twap.test.ts
 fi
 
+if [ "$1"x = "vdodo-mintRedeem"x ]
+then
+	truffle test ./test/vDODO/mintRedeem.test.ts
+fi
+
+
 # if [ "$1"x = "route-incentive"x ]
 # then
 # 	truffle test ./test/Route/Incentive.test.ts