diff --git a/datasource/datasource.go b/datasource/datasource.go
index 71331fc..42b4c3a 100644
--- a/datasource/datasource.go
+++ b/datasource/datasource.go
@@ -8,5 +8,5 @@ type DataSource interface {
 	//  - Get("port")
 	//  - Get("redis.port")
 	//  - Get("address.city.houses.0.id")
-	Get(key string) (any, error)
+	Get(key string) any
 }
diff --git a/datasource/map.go b/datasource/map.go
index 96dbf20..0ca4279 100644
--- a/datasource/map.go
+++ b/datasource/map.go
@@ -18,6 +18,6 @@ func NewMapDataSource(data map[string]any) DataSource {
 //   - Get("port")
 //   - Get("redis.port")
 //   - Get("address.city.houses.0.id")
-func (m *mapDataSource) Get(key string) (any, error) {
-	return object.Get(m.data, key), nil
+func (m *mapDataSource) Get(key string) any {
+	return object.Get(m.data, key)
 }
diff --git a/go.mod b/go.mod
index b87f621..fb9144a 100644
--- a/go.mod
+++ b/go.mod
@@ -2,6 +2,6 @@ module github.com/go-zoox/tag
 
 go 1.18
 
-require github.com/go-zoox/core-utils v1.3.4
+require github.com/go-zoox/core-utils v1.3.5
 
 require github.com/spf13/cast v1.5.0 // indirect
diff --git a/go.sum b/go.sum
index 90b7abe..0e415ef 100644
--- a/go.sum
+++ b/go.sum
@@ -1,6 +1,6 @@
 github.com/frankban/quicktest v1.14.3 h1:FJKSZTDHjyhriyC81FLQ0LY93eSai0ZyR/ZIkd3ZUKE=
-github.com/go-zoox/core-utils v1.3.4 h1:qfapS7+tNWIz0TDyAICfdeIL2QLS1iJ8+mZWq4NInbE=
-github.com/go-zoox/core-utils v1.3.4/go.mod h1:raOOwr2l2sJQyjR0Dg33sg0ry4U1/L2eNTuLFRpUXWs=
+github.com/go-zoox/core-utils v1.3.5 h1:uxnPjUdo20ZCYCJp+1deuoqdMByTTJxQFrMp8e5ty+E=
+github.com/go-zoox/core-utils v1.3.5/go.mod h1:raOOwr2l2sJQyjR0Dg33sg0ry4U1/L2eNTuLFRpUXWs=
 github.com/go-zoox/testify v1.0.2 h1:G5sQ3xm0uwCuytnMhgnqZ5BItCt2DN3n2wLBqlIJEWA=
 github.com/google/go-cmp v0.5.7 h1:81/ik6ipDQS2aGcBfIN5dHDB36BwrStyeAQquSYCV4o=
 github.com/kr/pretty v0.3.0 h1:WgNl7dwNpEZ6jJ9k1snq4pZsg7DOEN8hP9Xw0Tsjwk0=
diff --git a/tag.go b/tag.go
index 243f688..ffc8cab 100644
--- a/tag.go
+++ b/tag.go
@@ -43,12 +43,7 @@ func (t *Tag) decodeR(ptr interface{}, keyPathParent string) error {
 
 		attribute := attribute.New(rtt.Name, rtt.Type.String(), keyPathParent, rtt.Tag.Get(tagName))
 		// fmt.Println("keyPathParent:", keyPathParent, rtt.Name, attribute.GetKey())
-		v, err := dataSource.Get(attribute.GetKey())
-		if err != nil {
-			return err
-		}
-
-		if err := attribute.SetValue(v); err != nil {
+		if err := attribute.SetValue(dataSource.Get(attribute.GetKey())); err != nil {
 			return err
 		}
 
diff --git a/tag_test.go b/tag_test.go
index 7eed188..fedad17 100644
--- a/tag_test.go
+++ b/tag_test.go
@@ -78,8 +78,8 @@ var TestStructDataSourceData = map[string]interface{}{
 	"type_transform": "666",
 }
 
-func (t *TestStructDataSource) Get(key string) (interface{}, error) {
-	return object.Get(TestStructDataSourceData, key), nil
+func (t *TestStructDataSource) Get(key string) any {
+	return object.Get(TestStructDataSourceData, key)
 }
 
 func TestTag(t *testing.T) {
diff --git a/version.go b/version.go
index d0df8ca..b1b4612 100644
--- a/version.go
+++ b/version.go
@@ -1,4 +1,4 @@
 package tag
 
 // Version is the version of tag.
-var Version = "1.2.5"
+var Version = "1.2.6"