From f4b46ff2cb0e940ade764c4d9899fd99e52d26b7 Mon Sep 17 00:00:00 2001
From: 1797818494 <1797818494@qq.com>
Date: Sat, 3 Feb 2024 12:04:21 +0800
Subject: [PATCH] improve the lease

---
 raft.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/raft.go b/raft.go
index 85b066ec..6ab5ae98 100644
--- a/raft.go
+++ b/raft.go
@@ -1062,7 +1062,7 @@ func (r *raft) Step(m pb.Message) error {
 	case m.Term > r.Term:
 		if m.Type == pb.MsgVote || m.Type == pb.MsgPreVote {
 			force := bytes.Equal(m.Context, []byte(campaignTransfer))
-			inLease := r.checkQuorum && r.lead != None && r.electionElapsed < r.electionTimeout
+			inLease := r.checkQuorum && r.lead != None && r.electionElapsed < r.electionTimeout && r.Lead != m.From
 			if !force && inLease {
 				// If a server receives a RequestVote request within the minimum election timeout
 				// of hearing from a current leader, it does not update its term or grant its vote