diff --git a/app/common/service/WordpressSiteService.php b/app/common/service/WordpressSiteService.php
index 780eedb..664c67b 100644
--- a/app/common/service/WordpressSiteService.php
+++ b/app/common/service/WordpressSiteService.php
@@ -577,12 +577,15 @@ class WordpressSiteService
                 ]
             ]);
 
-            $brand = json_decode($response->getBody(), true);
+            $responseBody = $response->getBody()->getContents();
+            $brand = json_decode($responseBody, true);
 
             if (empty($brand) || !isset($brand['id'])) {
                 Log::error('创建品牌失败，响应无效', [
                     'brand_name' => $brand_name,
-                    'response' => $response->getBody()->getContents(),
+                    'slug' => $slug,
+                    'response' => $responseBody,
+                    'status_code' => $response->getStatusCode(),
                 ]);
                 return 0;
             }
@@ -592,6 +595,7 @@ class WordpressSiteService
         } catch (\Exception $e) {
             Log::error('创建品牌失败', [
                 'brand_name' => $brand_name,
+                'slug' => $slug,
                 'error' => $e->getMessage(),
             ]);
             return 0;
@@ -803,7 +807,8 @@ class WordpressSiteService
      */
     public function uploadImageToWp(string $domain,$api_user, $api_secret, string $imageUrl = "fdesk_test/usedcar_crawl/20251125/ff847a6a2b3114b4c2c230455b74cd2e.jpg"): array
     {
-        $process = 'image/resize,w_800/quality,Q_50/format,webp';
+        // 使用原始图片格式，不做webp转换，避免"File Modified"错误
+        $process = 'image/resize,w_800/quality,Q_50';
 
         try {
             $processedUrl = (new OssService)->generatePrivateUrlResize($imageUrl,3600,$process);
@@ -821,8 +826,9 @@ class WordpressSiteService
         $pathInfo = pathinfo(parse_url($imageUrl, PHP_URL_PATH));
         $extension = strtolower($pathInfo['extension'] ?? 'jpg');
 
-        // 根据处理后的格式确定文件名和 Content-Type
-        if (strpos($processedUrl, 'webp') !== false || strpos($process, 'webp') !== false) {
+        // 确定文件名和 Content-Type（使用原始格式）
+        $filename = ($pathInfo['filename'] ?? 'image') . '.' . $extension;
+        $contentType = 'image/' . ($extension === 'jpg' ? 'jpeg' : $extension);
             $filename = ($pathInfo['filename'] ?? 'image') . '.webp';
             $contentType = 'image/webp';
         } else {