diff --git a/pkg/lru/worker.go b/pkg/lru/worker.go
index 2da7e4e..389f57d 100644
--- a/pkg/lru/worker.go
+++ b/pkg/lru/worker.go
@@ -10,7 +10,7 @@ func lruCleanWork() {
 
 }
 
-func (lru *singleCache) lruSingleWork() interface{} {
+func (lru *SingleCache) lruSingleWork() interface{} {
 	ctx := context.Background()
 	for {
 		workEvent := lru.lruConsumer.Receive(ctx)