diff --git a/cmd/main-migration/migrations/20251202231005.sql b/cmd/main-migration/migrations/20251202231005.sql
new file mode 100644
index 00000000..65fe436a
--- /dev/null
+++ b/cmd/main-migration/migrations/20251202231005.sql
@@ -0,0 +1,14 @@
+-- Modify "MaterialPackageItem" table
+ALTER TABLE "public"."MaterialPackageItem" ADD COLUMN "Count" integer NULL;
+-- Create "ProcedureRoomOrderItem" table
+CREATE TABLE "public"."ProcedureRoomOrderItem" (
+  "Id" bigserial NOT NULL,
+  "CreatedAt" timestamptz NULL,
+  "UpdatedAt" timestamptz NULL,
+  "DeletedAt" timestamptz NULL,
+  "ProcedureRoomOrder_Id" bigint NULL,
+  "ProcedureRoom_Code" character varying(20) NULL,
+  "Note" character varying(255) NULL,
+  PRIMARY KEY ("Id"),
+  CONSTRAINT "fk_ProcedureRoomOrderItem_ProcedureRoom" FOREIGN KEY ("ProcedureRoom_Code") REFERENCES "public"."ProcedureRoom" ("Code") ON UPDATE NO ACTION ON DELETE NO ACTION
+);
diff --git a/cmd/main-migration/migrations/atlas.sum b/cmd/main-migration/migrations/atlas.sum
index 26c2bca0..c949eadc 100644
--- a/cmd/main-migration/migrations/atlas.sum
+++ b/cmd/main-migration/migrations/atlas.sum
@@ -1,4 +1,4 @@
-h1:fDxiVQJUurcI/J078Wz7tEKkfNwnI92Cs75Z34Eo9ZQ=
+h1:MO6ze6e6ClW/WxUyiZxT6Lmhz8BDgXmmYeLDSN4xEJw=
 20250904105930.sql h1:MEM6blCgke9DzWQSTnLzasbPIrcHssNNrJqZpSkEo6k=
 20250904141448.sql h1:J8cmYNk4ZrG9fhfbi2Z1IWz7YkfvhFqTzrLFo58BPY0=
 20250908062237.sql h1:Pu23yEW/aKkwozHoOuROvHS/GK4ngARJGdO7FB7HZuI=
@@ -142,4 +142,5 @@ h1:fDxiVQJUurcI/J078Wz7tEKkfNwnI92Cs75Z34Eo9ZQ=
 20251202064000.sql h1:/EN7sT1ol/91qW1aXWrzX+Mc3XOC/7f/LtfA0JRHpbg=
 20251202130629.sql h1:9mvalqfhqGCdkcJepJDzHprU2xb0i5sYys1Htf62ioo=
 20251202160848.sql h1:Kd2/TziKSMezrt4XgbjQcYvY/Lo9rX0qw7/Lz0/oyKk=
-20251202180207.sql h1:5WXemmJfgaV3BPuciiDhstKjjhSRCCxIxuPB8c7nc74=
+20251202180207.sql h1:IHmSMIO3ia+YV5GULixbdlV1joaUAWtnjQHPd8+HKiM=
+20251202231005.sql h1:iVzsqbqmfncDXPPXoRqCQdcvgvLBv57TbzdbzQAmSVc=
diff --git a/internal/domain/main-entities/material-package-item/dto.go b/internal/domain/main-entities/material-package-item/dto.go
index e642a015..60b7e313 100644
--- a/internal/domain/main-entities/material-package-item/dto.go
+++ b/internal/domain/main-entities/material-package-item/dto.go
@@ -49,7 +49,7 @@ type ResponseDto struct {
 	MaterialPackage      *emp.MaterialPackage `json:"materialPackage,omitempty"`
 	Material_Code        string               `json:"material_code"`
 	Material             *em.Material         `json:"material,omitempty"`
-	Count                uint16               `json:"count"`
+	Count                *uint16              `json:"count"`
 }
 
 func (d MaterialPackageItem) ToResponse() ResponseDto {
diff --git a/internal/domain/main-entities/material-package-item/entity.go b/internal/domain/main-entities/material-package-item/entity.go
index 52960935..0c45969b 100644
--- a/internal/domain/main-entities/material-package-item/entity.go
+++ b/internal/domain/main-entities/material-package-item/entity.go
@@ -12,5 +12,5 @@ type MaterialPackageItem struct {
 	MaterialPackage      *emp.MaterialPackage `json:"materialPackage" gorm:"foreignKey:MaterialPackage_Code;references:Code"`
 	Material_Code        string               `json:"code" gorm:"size:20;not null"`
 	Material             *em.Material         `json:"material" gorm:"foreignKey:Material_Code;references:Code"`
-	Count                uint16               `json:"count" gorm:"not null"`
+	Count                *uint16              `json:"count"`
 }
diff --git a/internal/interface/migration/main-entities.go b/internal/interface/migration/main-entities.go
index 0d118fae..34530d78 100644
--- a/internal/interface/migration/main-entities.go
+++ b/internal/interface/migration/main-entities.go
@@ -84,6 +84,7 @@ import (
 	prescriptionitem "simrs-vx/internal/domain/main-entities/prescription-item"
 	procedureroom "simrs-vx/internal/domain/main-entities/procedure-room"
 	procedureroomorder "simrs-vx/internal/domain/main-entities/procedure-room-order"
+	procedureroomorderitem "simrs-vx/internal/domain/main-entities/procedure-room-order-item"
 	proceduresrc "simrs-vx/internal/domain/main-entities/procedure-src"
 	province "simrs-vx/internal/domain/main-entities/province"
 	regency "simrs-vx/internal/domain/main-entities/regency"
@@ -207,6 +208,7 @@ func getMainEntities() []any {
 		&postalregion.PostalRegion{},
 		&internalreference.InternalReference{},
 		&procedureroomorder.ProcedureRoomOrder{},
+		&procedureroomorderitem.ProcedureRoomOrderItem{},
 
 		&vclaimsephist.VclaimSepHist{},
 		&vclaimsepprint.VclaimSepPrint{},