diff --git a/hash.go b/hash.go
index 9d10327..ffd1bda 100644
--- a/hash.go
+++ b/hash.go
@@ -13,12 +13,20 @@ import (
 	"github.com/spaolacci/murmur3"
 )
 
+// hash ...
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 14:41 2022/5/14
+type hash struct {
+}
+
 // GetHashID ...
 //
 // Author : go_developer@163.com<白茶清欢>
 //
 // Date : 11:04 下午 2021/2/24
-func GetHashID(key interface{}) uint64 {
+func (h *hash) GetHashID(key interface{}) uint64 {
 	return murmur3.Sum64([]byte(fmt.Sprintf("%v", key)))
 }
 
@@ -27,6 +35,6 @@ func GetHashID(key interface{}) uint64 {
 // Author : go_developer@163.com<白茶清欢>
 //
 // Date : 11:07 下午 2021/2/24
-func GetHashIDMod(key interface{}, shard int) int {
-	return int(GetHashID(key) % uint64(shard))
+func (h *hash) GetHashIDMod(key interface{}, shard int) int {
+	return int(h.GetHashID(key) % uint64(shard))
 }
diff --git a/init.go b/init.go
index e5b69ca..e13e1fa 100644
--- a/init.go
+++ b/init.go
@@ -12,9 +12,12 @@ var (
 	Cli *cli
 	// File ...
 	File *file
+	// Hash ...
+	Hash *hash
 )
 
 func init() {
 	Cli = &cli{}
 	File = &file{}
+	Hash = &hash{}
 }