diff --git a/app/Services/OrderService.php b/app/Services/OrderService.php
index 8a78555..13bdd0b 100644
--- a/app/Services/OrderService.php
+++ b/app/Services/OrderService.php
@@ -2,14 +2,19 @@
 
 namespace App\Services;
 
+use App\Models\Documents\Document;
+use App\Models\Documents\DocumentApproval;
+use App\Models\Documents\DocumentData;
 use App\Models\Items\Item;
 use App\Models\Orders\Order;
 use App\Models\Orders\OrderHistory;
 use App\Models\Orders\OrderNode;
 use App\Models\Production\WorkOrder;
+use App\Models\Production\WorkOrderMaterialInput;
 use App\Models\Quote\Quote;
 use App\Models\Tenants\Sale;
 use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Log;
 use Symfony\Component\HttpKernel\Exception\BadRequestHttpException;
 use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
 
@@ -1289,25 +1294,87 @@ public function revertProductionOrder(int $orderId): array
                 'work_results' => 0,
                 'work_order_items' => 0,
                 'work_orders' => 0,
+                'material_inputs' => 0,
+                'documents' => 0,
+                'step_progress' => 0,
+                'assignees' => 0,
+                'bending_details' => 0,
+                'issues' => 0,
             ];
 
             if (count($workOrderIds) > 0) {
-                // 1. 작업결과 삭제
+                // 1. 자재 투입 재고 복구 + 삭제
+                $materialInputs = WorkOrderMaterialInput::whereIn('work_order_id', $workOrderIds)->get();
+                if ($materialInputs->isNotEmpty()) {
+                    $stockService = app(StockService::class);
+                    foreach ($materialInputs as $input) {
+                        try {
+                            $stockService->increaseToLot(
+                                stockLotId: $input->stock_lot_id,
+                                qty: (float) $input->qty,
+                                reason: 'work_order_input_cancel',
+                                referenceId: $input->work_order_id
+                            );
+                        } catch (\Exception $e) {
+                            Log::warning('생산지시 되돌리기: 재고 복원 실패', [
+                                'input_id' => $input->id,
+                                'stock_lot_id' => $input->stock_lot_id,
+                                'error' => $e->getMessage(),
+                            ]);
+                        }
+                    }
+                    $deletedCounts['material_inputs'] = WorkOrderMaterialInput::whereIn('work_order_id', $workOrderIds)->delete();
+                }
+
+                // 2. 문서 삭제 (검사 성적서, 작업일지 등)
+                $documentIds = Document::where('linkable_type', 'work_order')
+                    ->whereIn('linkable_id', $workOrderIds)
+                    ->pluck('id')
+                    ->toArray();
+
+                if (count($documentIds) > 0) {
+                    DocumentData::whereIn('document_id', $documentIds)->delete();
+                    DocumentApproval::whereIn('document_id', $documentIds)->delete();
+                    $deletedCounts['documents'] = Document::whereIn('id', $documentIds)->forceDelete();
+                }
+
+                // 3. 출하 정보에서 작업지시 참조 해제 (출하 자체는 보존)
+                DB::table('shipments')
+                    ->whereIn('work_order_id', $workOrderIds)
+                    ->update(['work_order_id' => null]);
+
+                // 4. 작업지시 부속 데이터 삭제
+                $deletedCounts['step_progress'] = DB::table('work_order_step_progress')
+                    ->whereIn('work_order_id', $workOrderIds)
+                    ->delete();
+
+                $deletedCounts['assignees'] = DB::table('work_order_assignees')
+                    ->whereIn('work_order_id', $workOrderIds)
+                    ->delete();
+
+                $deletedCounts['bending_details'] = DB::table('work_order_bending_details')
+                    ->whereIn('work_order_id', $workOrderIds)
+                    ->delete();
+
+                $deletedCounts['issues'] = DB::table('work_order_issues')
+                    ->whereIn('work_order_id', $workOrderIds)
+                    ->delete();
+
+                // 5. 작업결과 삭제
                 $deletedCounts['work_results'] = DB::table('work_results')
                     ->whereIn('work_order_id', $workOrderIds)
                     ->delete();
 
-                // 2. 작업지시 품목 삭제
+                // 6. 작업지시 품목 삭제
                 $deletedCounts['work_order_items'] = DB::table('work_order_items')
                     ->whereIn('work_order_id', $workOrderIds)
                     ->delete();
 
-                // 3. 작업지시 삭제
-                $deletedCounts['work_orders'] = WorkOrder::whereIn('id', $workOrderIds)
-                    ->delete();
+                // 7. 작업지시 삭제
+                $deletedCounts['work_orders'] = WorkOrder::whereIn('id', $workOrderIds)->delete();
             }
 
-            // 4. 수주 상태를 CONFIRMED로 되돌리기
+            // 8. 수주 상태를 CONFIRMED로 되돌리기
             $previousStatus = $order->status_code;
             $order->status_code = Order::STATUS_CONFIRMED;
             $order->updated_by = $userId;