From f45d6356c4595f5a82f9ca8b4e112e2426239505 Mon Sep 17 00:00:00 2001
From: kewei <kewei.train@gmail.com>
Date: Tue, 23 Apr 2024 00:10:32 +0800
Subject: [PATCH] fix panic

---
 cl/beacon/synced_data/synced_data.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/cl/beacon/synced_data/synced_data.go b/cl/beacon/synced_data/synced_data.go
index 6d982b4df3e..9248142d902 100644
--- a/cl/beacon/synced_data/synced_data.go
+++ b/cl/beacon/synced_data/synced_data.go
@@ -44,7 +44,11 @@ func (s *SyncedDataManager) HeadState() *state.CachingBeaconState {
 }
 
 func (s *SyncedDataManager) HeadStateReader() state.BeaconStateReader {
-	return s.HeadState()
+	headstate := s.HeadState()
+	if headstate == nil {
+		return nil
+	}
+	return headstate
 }
 
 func (s *SyncedDataManager) Syncing() bool {