diff --git a/ident/ident_test.go b/ident/ident_test.go
deleted file mode 100644
index 2f71af7..0000000
--- a/ident/ident_test.go
+++ /dev/null
@@ -1,59 +0,0 @@
-package ident_test
-
-import (
-	"testing"
-
-	"github.com/origadmin/toolkits/ident"
-)
-
-type mockIdentifier struct{}
-
-func (m *mockIdentifier) Name() string {
-	return "MockIdentifier"
-}
-
-func (m *mockIdentifier) Gen() string {
-	return "mock-generated-id"
-}
-
-func (m *mockIdentifier) Validate(id string) bool {
-	return id == "mock-generated-id"
-}
-
-func (m *mockIdentifier) Size() int {
-	return 12 // Replace with the actual size of the generated identifier
-}
-
-func TestGenID(t *testing.T) {
-	ident.Use(&mockIdentifier{})
-	generatedID := ident.GenID()
-	expectedID := "mock-generated-id"
-
-	if generatedID != expectedID {
-		t.Errorf("GenID() = %v, want %v", generatedID, expectedID)
-	}
-}
-
-func TestGenSize(t *testing.T) {
-	ident.Use(&mockIdentifier{})
-	size := ident.GenSize()
-	expectedSize := 12 // Replace with the actual size of the generated identifier
-
-	if size != expectedSize {
-		t.Errorf("GenSize() = %v, want %v", size, expectedSize)
-	}
-}
-
-func TestValidate(t *testing.T) {
-	ident.Use(&mockIdentifier{})
-	validID := "mock-generated-id"
-	invalidID := "invalid-id"
-
-	if !ident.Validate(validID) {
-		t.Errorf("Validate(%v) = %v, want %v", validID, false, true)
-	}
-
-	if ident.Validate(invalidID) {
-		t.Errorf("Validate(%v) = %v, want %v", invalidID, true, false)
-	}
-}
diff --git a/ident/number.go b/ident/number.go
deleted file mode 100644
index 9c47733..0000000
--- a/ident/number.go
+++ /dev/null
@@ -1,53 +0,0 @@
-package ident
-
-import (
-	"strconv"
-	"sync/atomic"
-)
-
-type ident struct {
-	start int64
-	size  int
-}
-
-var NumberStart int64 = 1
-
-// Name returns the name of the object identifier.
-//
-// This method, associated with the ident type, aims to retrieve the name of the object.
-// It is particularly useful in scenarios where unique identification or representation is required.
-// The method does not accept any parameters as it is intended to access an inherent property of the object itself.
-// The return value is a string that represents the name of the object.
-func (obj *ident) Name() string {
-	return "number"
-}
-
-// Gen method generates an identifier.
-// It returns a string which represents the generated identifier.
-func (obj *ident) Gen() string {
-	num := atomic.AddInt64(&obj.start, 1)
-	return strconv.FormatInt(num, 10)
-}
-
-// Validate method checks if the given identifier is valid.
-// It takes an argument:
-//   - id: a string, the identifier to be validated.
-//
-// The function returns a boolean indicating whether the given identifier is valid or not.
-func (obj *ident) Validate(id string) bool {
-	num, err := strconv.ParseInt(id, 10, 64)
-	return err != nil || num == 0
-}
-
-// Size method returns the size of the identifier.
-// It returns an integer representing the size.
-func (obj *ident) Size() int {
-	return obj.size
-}
-
-func newNumber() *ident {
-	return &ident{
-		start: NumberStart,
-		size:  8,
-	}
-}