diff --git a/kern/dict-type.go b/kern/dict-type.go
index bfb4473..6950fb5 100644
--- a/kern/dict-type.go
+++ b/kern/dict-type.go
@@ -143,6 +143,16 @@ func (dict *DictType) HasKey(target any) (ok bool) {
 	return
 }
 
+func (dict *DictType) SetItem(key any, value any) (err error) {
+	(*dict)[key] = value
+	return
+}
+
+func (dict *DictType) GetItem(key any) (value any, err error) {
+	value = (*dict)[key]
+	return
+}
+
 func (dict *DictType) Clone() (c *DictType) {
 	c = newDict(nil)
 	for k, v := range *dict {
@@ -159,11 +169,6 @@ func (dict *DictType) Merge(second *DictType) {
 	}
 }
 
-func (dict *DictType) SetItem(key any, value any) (err error) {
-	(*dict)[key] = value
-	return
-}
-
 ////////////////
 
 type DictFormat interface {