diff --git a/internal/accessor/category/create.go b/internal/accessor/category/create.go
index dfdd924..fb8c699 100644
--- a/internal/accessor/category/create.go
+++ b/internal/accessor/category/create.go
@@ -12,8 +12,8 @@ func (a *accessor) CreateModel(spec categorydomain.CategoryReq) error {
 		ID:          uuid.NewString(),
 		Name:        spec.Name,
 		Code:        spec.Code,
-		Description: spec.Description,
-		Sequence:    spec.Sequence,
+		Description: *spec.Description,
+		Sequence:    *spec.Sequence,
 	}
 
 	if err := a.db.Create(&data).Error; err != nil {
diff --git a/internal/domain/category/spec.go b/internal/domain/category/spec.go
index 203f57e..680b813 100644
--- a/internal/domain/category/spec.go
+++ b/internal/domain/category/spec.go
@@ -8,15 +8,15 @@ type Category struct {
 	ID          string    `json:"id" gorm:"primaryKey"`
 	Name        string    `json:"name"`
 	Code        string    `json:"code"`
-	Description string    `json:"description"`
-	Sequence    int       `json:"sequence"`
+	Description *string   `json:"description"`
+	Sequence    *int      `json:"sequence"`
 	CreatedAt   time.Time `json:"created_at"`
 	UpdatedAt   time.Time `json:"updated_at"`
 }
 
 type CategoryReq struct {
-	Name        string `json:"name" validate:"required"`
-	Code        string `json:"code" validate:"required"`
-	Description string `json:"description"`
-	Sequence    int    `json:"sequence"`
+	Name        string  `json:"name" validate:"required"`
+	Code        string  `json:"code" validate:"required"`
+	Description *string `json:"description"`
+	Sequence    *int    `json:"sequence"`
 }