From 08a06609604779c31db493bc0d755efa1c3f0a61 Mon Sep 17 00:00:00 2001
From: owen05 <liuhongnan53@163.com>
Date: Thu, 8 Apr 2021 16:18:24 +0800
Subject: [PATCH] update lockedTokenVault

---
 contracts/DODOToken/LockedTokenVault.sol | 1 +
 1 file changed, 1 insertion(+)

diff --git a/contracts/DODOToken/LockedTokenVault.sol b/contracts/DODOToken/LockedTokenVault.sol
index 72d0975..aea1bd3 100644
--- a/contracts/DODOToken/LockedTokenVault.sol
+++ b/contracts/DODOToken/LockedTokenVault.sol
@@ -113,6 +113,7 @@ contract LockedTokenVault is Ownable {
     // ============ For Holder ============
 
     function transferLockedToken(address to) external {
+        require(to != msg.sender, "INVALID_TO_ADDRESS");
         originBalances[to] = originBalances[to].add(originBalances[msg.sender]);
         claimedBalances[to] = claimedBalances[to].add(claimedBalances[msg.sender]);