diff --git a/plugins/log-middle/middleware.go b/plugins/log-middle/middleware.go
index c6ff102..ae7c0bb 100644
--- a/plugins/log-middle/middleware.go
+++ b/plugins/log-middle/middleware.go
@@ -1,8 +1,6 @@
 package log_middle
 
 import (
-	"fmt"
-
 	"gitee.com/timedb/wheatCache/plugins"
 )
 
@@ -13,14 +11,17 @@ func (i *logMiddle) Init() {
 }
 
 func (i *logMiddle) Exec(interface{}) (interface{}, error) {
-	fmt.Println(1)
-	return nil, nil
+
+	return "", nil
 }
 
 func (i *logMiddle) Name() string {
 	return "logMiddle"
 }
 
+func (i *logMiddle) Describe() string {
+	return ""
+}
 func NewMiddleware() plugins.MiddleToolsInterface {
 	return &logMiddle{}
 }
diff --git a/plugins/map-key/middleware.go b/plugins/map-key/middleware.go
index 31fa509..088c589 100644
--- a/plugins/map-key/middleware.go
+++ b/plugins/map-key/middleware.go
@@ -12,13 +12,17 @@ func (i *mapKey) Init() {
 
 func (i *mapKey) Exec(interface{}) (interface{}, error) {
 
-	return nil, nil
+	return "", nil
 }
 
 func (i *mapKey) Name() string {
 	return "mapKey"
 }
 
+func (i *mapKey) Describe() string {
+	return ""
+}
+
 func NewMiddleware() plugins.MiddleToolsInterface {
 	return &mapKey{}
 }