diff --git a/pkg/lru/lru.go b/pkg/lru/lru.go
index 9100b6d..7ad8f41 100644
--- a/pkg/lru/lru.go
+++ b/pkg/lru/lru.go
@@ -5,6 +5,7 @@ import (
 	_ "gitee.com/timedb/wheatCache/conf"
 	"gitee.com/timedb/wheatCache/pkg/errorx"
 	"gitee.com/timedb/wheatCache/pkg/event"
+	"gitee.com/timedb/wheatCache/pkg/proto"
 	"gitee.com/timedb/wheatCache/pkg/structure"
 	"gitee.com/timedb/wheatCache/pkg/util"
 	"github.com/spf13/viper"
@@ -86,30 +87,30 @@ func (lru *SingleCache) GetDriver() event.DriverInterface {
 }
 
 //Add 增加
-func (lru *SingleCache) Add(key string, val structure.KeyBaseInterface) {
+func (lru *SingleCache) Add(key *proto.BaseKey, val structure.KeyBaseInterface) {
 
 	keyBaseVal := &keyBaseValue{
-		key: key,
+		key: key.Key,
 		val: val,
 	}
-	if elVal, ok := lru.lruMap[key]; ok {
+	if elVal, ok := lru.lruMap[key.Key]; ok {
 		lru.li.MoveToFront(elVal)
 		elVal.Value = keyBaseVal
 		return
 	}
 	valEl := lru.li.PushFront(keyBaseVal)
-	lru.lruMap[key] = valEl
+	lru.lruMap[key.Key] = valEl
 	//增加大小
 	lru.UpdateLruSize(structure.UpdateLength(valEl.Value.(*keyBaseValue).val.SizeByte()))
 }
 
 // Get 查找key对应的value
-func (lru *SingleCache) Get(key string) (structure.KeyBaseInterface, bool) {
+func (lru *SingleCache) Get(key *proto.BaseKey) (structure.KeyBaseInterface, bool) {
 
 	if lru.lruMap == nil {
 		return nil, false
 	}
-	if elVal, ok := lru.lruMap[key]; ok {
+	if elVal, ok := lru.lruMap[key.Key]; ok {
 		lru.li.MoveToFront(elVal)
 		return elVal.Value.(*keyBaseValue).val, true
 	}
@@ -130,12 +131,12 @@ func (lru *SingleCache) Del() error {
 }
 
 //DelByKey 根据key删除
-func (lru *SingleCache)DelByKey(key string) error {
+func (lru *SingleCache)DelByKey(key *proto.BaseKey) error {
 	if lru.lruMap == nil {
 		return errorx.New("lru is nil")
 	}
-	if _, ok := lru.lruMap[key]; ok {
-		delete(lru.lruMap, key)
+	if _, ok := lru.lruMap[key.Key]; ok {
+		delete(lru.lruMap, key.Key)
 		return nil
 	}
 	return errorx.New("lru no this key")
diff --git a/pkg/lru/lru_test.go b/pkg/lru/lru_test.go
index 302f97e..2c925d1 100644
--- a/pkg/lru/lru_test.go
+++ b/pkg/lru/lru_test.go
@@ -2,6 +2,7 @@ package lru
 
 import (
 	"fmt"
+	"gitee.com/timedb/wheatCache/pkg/proto"
 	"gitee.com/timedb/wheatCache/pkg/structure/stringx"
 	"github.com/stretchr/testify/require"
 	"testing"
@@ -12,14 +13,23 @@ func TestNewLRUCache(t *testing.T) {
 	v1 := stringx.NewStringSingle()
 	v2 := stringx.NewStringSingle()
 	v3 := stringx.NewStringSingle()
-	cache.Add("1", v1)
-	cache.Add("2", v2)
-	cache.Add("3", v3)
-	cache.Add("1", v1)
+	key1 := proto.BaseKey{
+		Key: "1",
+	}
+	key2 := proto.BaseKey{
+		Key: "2",
+	}
+	key3 := proto.BaseKey{
+		Key: "3",
+	}
+	cache.Add(&key1, v1)
+	cache.Add(&key2, v2)
+	cache.Add(&key3, v3)
+	cache.Add(&key1, v1)
 	fmt.Println(cache.nowSize)
 	cache.Del()
 	fmt.Println(cache.nowSize)
-	_, isTrue := cache.Get("1")
+	_, isTrue := cache.Get(&key1)
 	require.Equal(t, isTrue, true)
 }
 
@@ -29,11 +39,20 @@ func TestNewLRUCache2(t *testing.T) {
 	v1 := stringx.NewStringSingle()
 	v2 := stringx.NewStringSingle()
 	v3 := stringx.NewStringSingle()
-	cache.Add("1", v1)
-	cache.Add("2", v2)
-	cache.Add("3", v3)
-	cache.DelByKey("1")
-	_, ok := cache.Get("1")
+	key1 := proto.BaseKey{
+		Key: "1",
+	}
+	key2 := proto.BaseKey{
+		Key: "2",
+	}
+	key3 := proto.BaseKey{
+		Key: "3",
+	}
+	cache.Add(&key1, v1)
+	cache.Add(&key2, v2)
+	cache.Add(&key3, v3)
+	cache.DelByKey(&key1)
+	_, ok := cache.Get(&key1)
 	require.Equal(t, ok, false)
-	fmt.Println(cache.DelByKey("1"))
+	require.Error(t, cache.DelByKey(&key1))
 }
\ No newline at end of file