diff --git a/error.go b/error.go
index b8cb91d..0f0257e 100644
--- a/error.go
+++ b/error.go
@@ -23,10 +23,21 @@ func (e *LangError) Error() string {
 	return GetFormat(l, e.key, e.format)
 }
 
-func (e *LangError) Code() int {
+func (e *LangError) GetCode() int {
 	return GetCode(e.key)
 }
 
+func (e *LangError) GetMsg() string {
+	return e.key
+}
+
+func (e *LangError) GetFormat() map[string]string {
+	if e.format == nil {
+		e.format = make(map[string]string)
+	}
+	return e.format
+}
+
 func NewErrorFormat(ctx context.Context, key string, format map[string]string) error {
 	return &LangError{
 		ctx:    ctx,
diff --git a/error_test.go b/error_test.go
index b4ef36e..e39ad7e 100644
--- a/error_test.go
+++ b/error_test.go
@@ -37,7 +37,7 @@ func TestError(t *testing.T) {
 	t.Log(err.Error())
 	val, ok := err.(*langx.LangError)
 	if ok {
-		t.Log(val.Code())
+		t.Log(val.GetCode())
 	}
 
 	err = langx.NewErrorFormat(ctx, "username", map[string]string{
@@ -46,7 +46,7 @@ func TestError(t *testing.T) {
 	t.Log(err.Error())
 	val, ok = err.(*langx.LangError)
 	if ok {
-		t.Log(val.Code())
+		t.Log(val.GetCode())
 	}
 
 }