diff --git a/pkg/vm/engine/tae/rpc/handle.go b/pkg/vm/engine/tae/rpc/handle.go
index d2dc24428456c..c00c93c6c730f 100644
--- a/pkg/vm/engine/tae/rpc/handle.go
+++ b/pkg/vm/engine/tae/rpc/handle.go
@@ -1269,7 +1269,9 @@ func (h *Handle) HandleStorageUsage(ctx context.Context, meta txn.TxnMeta,
 	memo := h.db.GetUsageMemo()
 
 	start := time.Now()
-	defer v2.TaskStorageUsageReqDurationHistogram.Observe(time.Since(start).Seconds())
+	defer func() {
+		v2.TaskStorageUsageReqDurationHistogram.Observe(time.Since(start).Seconds())
+	}()
 
 	memo.EnterProcessing()
 	defer func() {