diff --git a/app/Http/Controllers/Finance/TradingPartnerController.php b/app/Http/Controllers/Finance/TradingPartnerController.php
index 69313e6d..ed0c9cc4 100644
--- a/app/Http/Controllers/Finance/TradingPartnerController.php
+++ b/app/Http/Controllers/Finance/TradingPartnerController.php
@@ -93,8 +93,8 @@ public function store(Request $request): JsonResponse
             'tenant_id' => $tenantId,
             'name' => $request->input('name'),
             'trade_type' => $request->input('tradeType', 'sales'),
-            'type' => $request->input('type'),
-            'category' => $request->input('category'),
+            'type' => $request->input('type') ?? 'vendor',
+            'category' => $request->input('category') ?? '기타',
             'biz_no' => $request->input('bizNo'),
             'ceo' => $request->input('ceo'),
             'bank_account' => $request->input('bankAccount'),
@@ -144,8 +144,8 @@ public function update(Request $request, int $id): JsonResponse
         $partner->update([
             'name' => $request->input('name'),
             'trade_type' => $request->input('tradeType', $partner->trade_type),
-            'type' => $request->input('type'),
-            'category' => $request->input('category'),
+            'type' => $request->input('type') ?? $partner->type,
+            'category' => $request->input('category') ?? $partner->category,
             'biz_no' => $request->input('bizNo'),
             'ceo' => $request->input('ceo'),
             'bank_account' => $request->input('bankAccount'),