diff --git a/src/modules/transaction/refund/domain/usecases/managers/create-refund.manager.ts b/src/modules/transaction/refund/domain/usecases/managers/create-refund.manager.ts
index 5b630e8..8e65106 100644
--- a/src/modules/transaction/refund/domain/usecases/managers/create-refund.manager.ts
+++ b/src/modules/transaction/refund/domain/usecases/managers/create-refund.manager.ts
@@ -30,6 +30,19 @@ export class CreateRefundManager extends BaseCreateManager<RefundEntity> {
       refund_items: refund_items,
     });
 
+    const exist = await this.dataService.getOneByOptions({
+      where: {
+        transaction_id: this.data.transaction.id,
+      },
+    });
+    if (exist) {
+      throw new UnprocessableEntityException({
+        statusCode: HttpStatus.UNPROCESSABLE_ENTITY,
+        message: `Failed! refund transaction with invoice ${this.data.transaction.invoice_code} already exist`,
+        error: 'Unprocessable Entity',
+      });
+    }
+
     const transaction = await this.dataServiceFirstOpt.getOneByOptions({
       where: {
         id: this.data.transaction.id,