diff --git a/prisma/migrations/20241025020102_add_field/migration.sql b/prisma/migrations/20241025020102_add_field/migration.sql
new file mode 100644
index 0000000..729d660
--- /dev/null
+++ b/prisma/migrations/20241025020102_add_field/migration.sql
@@ -0,0 +1,2 @@
+-- AlterTable
+ALTER TABLE "QuotationProductServiceList" ADD COLUMN     "installmentNo" INTEGER;
diff --git a/prisma/schema.prisma b/prisma/schema.prisma
index 19ca1a7..ce5b029 100644
--- a/prisma/schema.prisma
+++ b/prisma/schema.prisma
@@ -1208,6 +1208,8 @@ model QuotationProductServiceList {
   discount     Float
   pricePerUnit Float
 
+  installmentNo Int?
+
   productId String
   product   Product @relation(fields: [productId], references: [id])
 
diff --git a/src/controllers/05-quotation-controller.ts b/src/controllers/05-quotation-controller.ts
index 045d6ce..300481d 100644
--- a/src/controllers/05-quotation-controller.ts
+++ b/src/controllers/05-quotation-controller.ts
@@ -76,6 +76,7 @@ type QuotationCreate = {
     productId: string;
     amount: number;
     discount?: number;
+    installmentNo?: number;
     workerIndex?: number[];
   }[];
 };
@@ -130,6 +131,7 @@ type QuotationUpdate = {
     productId: string;
     amount: number;
     discount?: number;
+    installmentNo?: number;
     workerIndex?: number[];
   }[];
 };
@@ -412,6 +414,7 @@ export class QuotationController extends Controller {
           pricePerUnit,
           amount: v.amount,
           discount: v.discount || 0,
+          installmentNo: v.installmentNo,
           vat,
           worker: {
             create: sortedEmployeeId
@@ -667,6 +670,7 @@ export class QuotationController extends Controller {
           pricePerUnit,
           amount: v.amount,
           discount: v.discount || 0,
+          installmentNo: v.installmentNo,
           vat,
           worker: {
             create: sortedEmployeeId