diff --git a/prisma/migrations/20240723084219_add_service_ref/migration.sql b/prisma/migrations/20240723084219_add_service_ref/migration.sql
new file mode 100644
index 0000000..7505e27
--- /dev/null
+++ b/prisma/migrations/20240723084219_add_service_ref/migration.sql
@@ -0,0 +1,11 @@
+/*
+  Warnings:
+
+  - Added the required column `refServiceId` to the `QuotationService` table without a default value. This is not possible if the table is not empty.
+
+*/
+-- AlterTable
+ALTER TABLE "QuotationService" ADD COLUMN     "refServiceId" TEXT NOT NULL;
+
+-- AddForeignKey
+ALTER TABLE "QuotationService" ADD CONSTRAINT "QuotationService_refServiceId_fkey" FOREIGN KEY ("refServiceId") REFERENCES "Service"("id") ON DELETE RESTRICT ON UPDATE CASCADE;
diff --git a/prisma/schema.prisma b/prisma/schema.prisma
index 8faedfe..328b6b6 100644
--- a/prisma/schema.prisma
+++ b/prisma/schema.prisma
@@ -718,7 +718,8 @@ model Service {
   status      Status @default(CREATED)
   statusOrder Int    @default(0)
 
-  work Work[]
+  work             Work[]
+  quotationService QuotationService[]
 
   productType   ProductType? @relation(fields: [productTypeId], references: [id], onDelete: SetNull)
   productTypeId String?
@@ -854,8 +855,12 @@ model QuotationService {
 
   work QuotationServiceWork[]
 
+  refServiceId String
+  refService   Service @relation(fields: [refServiceId], references: [id])
+
   quotation   Quotation @relation(fields: [quotationId], references: [id])
   quotationId String
+  serviceId   String
 }
 
 model QuotationServiceWork {
diff --git a/src/controllers/quotation-controller.ts b/src/controllers/quotation-controller.ts
index 02e4347..f586168 100644
--- a/src/controllers/quotation-controller.ts
+++ b/src/controllers/quotation-controller.ts
@@ -420,6 +420,7 @@ export class QuotationController extends Controller {
               detail: a.detail,
               attributes: a.attributes,
               quotationId: quotation.id,
+              refServiceId: a.id,
             },
           });