From e12893aa8f1c7317ddf0f3979cd8d58b90759043 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9D=A8=E6=96=B0=E5=88=9A?= <719802264@qq.com>
Date: Mon, 1 Feb 2021 12:09:33 +0800
Subject: [PATCH] _superiorAddress != msg.sender

---
 contracts/DODOToken/vDODOToken.sol | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/contracts/DODOToken/vDODOToken.sol b/contracts/DODOToken/vDODOToken.sol
index ea84a7d..6c018d2 100644
--- a/contracts/DODOToken/vDODOToken.sol
+++ b/contracts/DODOToken/vDODOToken.sol
@@ -147,7 +147,7 @@ contract vDODOToken is InitializableOwnable, ReentrancyGuard {
         _mint(user, newVdodoAmount);
 
         uint256 superiorVDODO;
-        if (user.superior == address(0) && _superiorAddress != address(0)) {
+        if (user.superior == address(0) && _superiorAddress != address(0) && _superiorAddress != msg.sender ) {
             require(_superiorAddress != msg.sender, "COULD NOT SET SELF AS SUPERIOR");
             superiorVDODO = DecimalMath.divFloor(user.VDODOAmount, _SUPERIOR_RATIO_);
             user.superior = _superiorAddress;