diff --git a/pkg/lru/define.go b/pkg/lru/define.go
index 2f90447..1c26239 100644
--- a/pkg/lru/define.go
+++ b/pkg/lru/define.go
@@ -1,5 +1 @@
 package lru
-
-import "gitee.com/timedb/wheatCache/pkg/structure"
-
-type SingleWorkFunc func() (*structure.ResultConn, error)