diff --git a/src/app/[locale]/(protected)/sales/order-management-sales/[id]/page.tsx b/src/app/[locale]/(protected)/sales/order-management-sales/[id]/page.tsx
index 64d96482..20cb0639 100644
--- a/src/app/[locale]/(protected)/sales/order-management-sales/[id]/page.tsx
+++ b/src/app/[locale]/(protected)/sales/order-management-sales/[id]/page.tsx
@@ -362,17 +362,17 @@ export default function OrderDetailPage() {
           reason: revertReason || undefined,
         });
         if (result.success && result.data) {
-          setOrder(result.data.order);
-          if (result.data.deletedCounts) {
+          const { order: updatedOrder, deletedCounts, cancelledCount } = result.data;
+          setOrder(updatedOrder);
+          if (deletedCounts) {
             // force 모드 (개발): 물리 삭제 건수
-            const { deletedCounts } = result.data;
             toast.success(
               `생산지시가 되돌려졌습니다. (작업지시 ${deletedCounts.workOrders}건, 품목 ${deletedCounts.workOrderItems}건, 결과 ${deletedCounts.workResults}건 삭제)`
             );
           } else {
             // cancel 모드 (운영): 취소 처리 건수
-            const msg = result.data.cancelledCount
-              ? `생산지시가 취소되었습니다. (${result.data.cancelledCount}건 취소)`
+            const msg = cancelledCount
+              ? `생산지시가 취소되었습니다. (${cancelledCount}건 취소)`
               : '생산지시가 되돌려졌습니다.';
             toast.success(msg);
           }
diff --git a/src/components/production/WorkerScreen/actions.ts b/src/components/production/WorkerScreen/actions.ts
index 04726d6e..df71d8ad 100644
--- a/src/components/production/WorkerScreen/actions.ts
+++ b/src/components/production/WorkerScreen/actions.ts
@@ -244,7 +244,7 @@ export async function completeWorkOrder(
   });
   if (!result.success) return { success: false, error: result.error };
   // 백엔드에서 생성한 실제 LOT 번호 사용
-  const lotNo = result.data?.lot_no || null;
+  const lotNo = (result.data as { lot_no?: string })?.lot_no;
   return { success: true, lotNo };
 }