diff --git a/internal/entity/order.go b/internal/entity/order.go
index 10d2ccc..7be9262 100644
--- a/internal/entity/order.go
+++ b/internal/entity/order.go
@@ -92,6 +92,7 @@ type OrderItem struct {
 	Product     *Product  `gorm:"foreignKey:ItemID;references:ID"`
 	ItemName    string    `gorm:"type:varchar;column:item_name"`
 	Description string    `gorm:"type:varchar;column:description"`
+	Notes       string    `gorm:"type:varchar;column:notes"`
 }
 
 func (OrderItem) TableName() string {
@@ -118,6 +119,7 @@ type OrderItemRequest struct {
 	ProductID   int64  `json:"product_id" validate:"required"`
 	Quantity    int    `json:"quantity" validate:"required"`
 	Description string `json:"description"`
+	Notes       string `json:"notes"`
 }
 
 type OrderExecuteRequest struct {
diff --git a/internal/entity/order_inquiry.go b/internal/entity/order_inquiry.go
index 1af1109..79aff0e 100644
--- a/internal/entity/order_inquiry.go
+++ b/internal/entity/order_inquiry.go
@@ -87,6 +87,7 @@ func (oi *OrderInquiry) AddOrderItem(item OrderItemRequest, product *Product) {
 		Quantity:  item.Quantity,
 		CreatedBy: oi.CreatedBy,
 		Product:   product,
+		Notes:     item.Notes,
 	})
 }
 
@@ -122,6 +123,7 @@ func (i *OrderInquiry) ToOrder(paymentMethod, paymentProvider string) *Order {
 			CreatedBy: i.CreatedBy,
 			CreatedAt: now,
 			Product:   item.Product,
+			Notes:     item.Notes,
 		}
 	}
 
diff --git a/internal/handlers/http/order.go b/internal/handlers/http/order.go
index 5041b19..7546ff8 100644
--- a/internal/handlers/http/order.go
+++ b/internal/handlers/http/order.go
@@ -58,8 +58,9 @@ func (o *InquiryRequest) GetPaymentProvider() string {
 }
 
 type OrderItemRequest struct {
-	ProductID int64 `json:"product_id" validate:"required"`
-	Quantity  int   `json:"quantity" validate:"required,min=1"`
+	ProductID int64  `json:"product_id" validate:"required"`
+	Quantity  int    `json:"quantity" validate:"required,min=1"`
+	Notes     string `json:"notes"`
 }
 
 type ExecuteRequest struct {
@@ -91,6 +92,7 @@ func (h *Handler) Inquiry(c *gin.Context) {
 		orderItems[i] = entity.OrderItemRequest{
 			ProductID: item.ProductID,
 			Quantity:  item.Quantity,
+			Notes:     item.Notes,
 		}
 	}
 
diff --git a/internal/handlers/request/order.go b/internal/handlers/request/order.go
index 9ef0044..1eabf33 100644
--- a/internal/handlers/request/order.go
+++ b/internal/handlers/request/order.go
@@ -95,6 +95,7 @@ type OrderItem struct {
 	ProductID   int64  `json:"product_id" validate:"required"`
 	Quantity    int    `json:"quantity" validate:"required"`
 	Description string `json:"description"`
+	Notes       string `json:"notes"`
 }
 
 func (o *Order) ToEntity(partnerID, createdBy int64) *entity.OrderRequest {
@@ -162,6 +163,7 @@ func (o *OrderCustomer) ToEntity(partnerID, createdBy int64) *entity.OrderReques
 			ProductID:   item.ProductID,
 			Quantity:    item.Quantity,
 			Description: item.Description,
+			Notes:       item.Notes,
 		}
 	}
 
diff --git a/internal/handlers/response/order_inquiry.go b/internal/handlers/response/order_inquiry.go
index d9bce8c..5676a85 100644
--- a/internal/handlers/response/order_inquiry.go
+++ b/internal/handlers/response/order_inquiry.go
@@ -28,6 +28,7 @@ type OrderItemResponse struct {
 	Price       float64 `json:"price"`
 	Quantity    int     `json:"quantity"`
 	Subtotal    float64 `json:"subtotal"`
+	Notes       string  `json:"notes"`
 }
 
 func mapToOrderItemResponses(items []entity.OrderItem) []OrderItemResponse {
@@ -113,6 +114,7 @@ func MapToOrderItemResponses(items []entity.OrderItem) []OrderItemResponse {
 			Price:       item.Price,
 			Quantity:    item.Quantity,
 			Subtotal:    item.Price * float64(item.Quantity),
+			Notes:       item.Notes,
 		})
 	}
 	return result
diff --git a/internal/repository/models/order.go b/internal/repository/models/order.go
index 086e656..4753374 100644
--- a/internal/repository/models/order.go
+++ b/internal/repository/models/order.go
@@ -40,6 +40,7 @@ type OrderItemDB struct {
 	CreatedBy int64     `gorm:"column:created_by"`
 	CreatedAt time.Time `gorm:"column:created_at"`
 	Product   ProductDB `gorm:"foreignKey:ItemID;references:ID"`
+	Notes     string    `gorm:"column:notes"`
 }
 
 func (OrderItemDB) TableName() string {
@@ -83,6 +84,7 @@ type InquiryItemDB struct {
 	Quantity  int       `gorm:"column:quantity"`
 	CreatedBy int64     `gorm:"column:created_by"`
 	CreatedAt time.Time `gorm:"column:created_at"`
+	Notes     string    `gorm:"column:notes"`
 }
 
 func (InquiryItemDB) TableName() string {
diff --git a/internal/repository/orde_repo.go b/internal/repository/orde_repo.go
index fd633ee..2d25a2a 100644
--- a/internal/repository/orde_repo.go
+++ b/internal/repository/orde_repo.go
@@ -148,6 +148,7 @@ func (r *orderRepository) CreateInquiry(ctx mycontext.Context, inquiry *entity.O
 			Quantity:  item.Quantity,
 			CreatedBy: item.CreatedBy,
 			CreatedAt: time.Now(),
+			Notes:     item.Notes,
 		})
 	}
 
@@ -202,6 +203,7 @@ func (r *orderRepository) FindInquiryByID(ctx mycontext.Context, id string) (*en
 			Quantity:  itemDB.Quantity,
 			CreatedBy: itemDB.CreatedBy,
 			CreatedAt: itemDB.CreatedAt,
+			Notes:     itemDB.Notes,
 		})
 	}
 	inquiry.OrderItems = orderItems
@@ -264,6 +266,7 @@ func (r *orderRepository) toDomainOrderModel(dbModel *models.OrderDB) *entity.Or
 			Quantity:  itemDB.Quantity,
 			CreatedBy: itemDB.CreatedBy,
 			CreatedAt: itemDB.CreatedAt,
+			Notes:     itemDB.Notes,
 		})
 	}
 
@@ -300,6 +303,7 @@ func (r *orderRepository) toOrderItemDBModel(item *entity.OrderItem) models.Orde
 		Quantity:  item.Quantity,
 		CreatedBy: item.CreatedBy,
 		CreatedAt: item.CreatedAt,
+		Notes:     item.Notes,
 	}
 }