diff --git a/pkg/cluster/cluster.go b/pkg/cluster/cluster.go
index 0aa011fb6b14..bc89c9e98068 100644
--- a/pkg/cluster/cluster.go
+++ b/pkg/cluster/cluster.go
@@ -35,8 +35,9 @@ type Cluster interface {
 func HandleStatsAsync(c Cluster, region *core.RegionInfo) {
 	c.GetHotStat().CheckWriteAsync(statistics.NewCheckExpiredItemTask(region))
 	c.GetHotStat().CheckReadAsync(statistics.NewCheckExpiredItemTask(region))
-	interval := region.GetInterval()
-	c.GetHotStat().CheckWriteAsync(statistics.NewCheckPeerTask(region, region.GetWriteLoads(), interval.GetEndTimestamp()-interval.GetStartTimestamp()))
+	reportInterval := region.GetInterval()
+	interval := reportInterval.GetEndTimestamp() - reportInterval.GetStartTimestamp()
+	c.GetHotStat().CheckWriteAsync(statistics.NewCheckPeerTask(region, region.GetWriteLoads(), interval))
 	c.GetCoordinator().GetSchedulersController().CheckTransferWitnessLeader(region)
 }