diff --git a/app/Http/Controllers/ReceiptController.php b/app/Http/Controllers/ReceiptController.php
index 41d7644..919023a 100644
--- a/app/Http/Controllers/ReceiptController.php
+++ b/app/Http/Controllers/ReceiptController.php
@@ -181,6 +181,18 @@ class ReceiptController extends Controller
 
             $krgmStoragePath = config('app.krgm_storage_path');
             $linkPath = public_path('other-storage');
+            if (!file_exists($krgmStoragePath)) {
+                \Log::error('KRGM path not found: ' . $krgmStoragePath);
+                abort(404, '画像パスが見つかりません。');
+            }
+            if (!file_exists($linkPath)) {
+                $result = symlink($krgmStoragePath, $linkPath);
+                \Log::info('Symlink result: ' . ($result ? 'success' : 'failed'));
+                if (!$result) {
+                    \Log::error('Symlink failed');
+                    abort(500, 'リンク作成失敗');
+                }
+            }
             if (!file_exists($linkPath)) {
                 symlink($krgmStoragePath, $linkPath);
             }