coupon module

src/modules/orders/entities/order.entity.ts

@@ -50,7 +50,7 @@ export class Order extends BaseEntity {
   @Property({ type: 'decimal', precision: 10, scale: 0, default: 0 })
   couponDiscount: number = 0;
 
-  @Property({ type: 'json', nullable: true })
+  @Property({ type: 'jsonb', nullable: true })
   couponDetail: {
     couponId: string;
     couponName: string;