From fa859bba9131ef49e1fb65e67ae603b52c707b16 Mon Sep 17 00:00:00 2001
From: crazycs520 <crazycs520@gmail.com>
Date: Thu, 14 Mar 2024 17:16:39 +0800
Subject: [PATCH] refine

Signed-off-by: crazycs520 <crazycs520@gmail.com>
---
 pkg/store/copr/coprocessor.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkg/store/copr/coprocessor.go b/pkg/store/copr/coprocessor.go
index 2ea18eff44655..bdd14548fb45f 100644
--- a/pkg/store/copr/coprocessor.go
+++ b/pkg/store/copr/coprocessor.go
@@ -1106,7 +1106,7 @@ type HasUnconsumedCopRuntimeStats interface {
 }
 
 func (it *copIterator) CollectUnconsumedCopRuntimeStats() []*CopRuntimeStats {
-	if it == nil {
+	if it == nil || it.unconsumedStats == nil {
 		return nil
 	}
 	it.unconsumedStats.Lock()