function tokenRelease() public {
        
        require (accounts[msg.sender].balance != 0 && accounts[msg.sender].releaseTime <= block.timestamp);
        uint256 transferUnlockedBalance = accounts[msg.sender].balance;
        accounts[msg.sender].balance = 0;
        accounts[msg.sender].releaseTime = 0;
        emit UnLock(msg.sender, transferUnlockedBalance, block.timestamp);
        ERC20Contract.transfer(msg.sender, transferUnlockedBalance);
    }