diff --git a/pkg/errorx/lru.go b/pkg/errorx/lru.go
new file mode 100644
index 0000000..569e563
--- /dev/null
+++ b/pkg/errorx/lru.go
@@ -0,0 +1,5 @@
+package errorx
+
+func LruNotWorkFuncEventErr() error {
+	return New("the event haven't work of function")
+}