upload_remote

@@ -423,7 +423,7 @@ class ProductLogic extends  BaseLogic
                 [
                 [
                     'project_id' => $project_id,
                     'project_id' => $project_id,
                     'title' => $data[0],
                     'title' => $data[0],
-                    'thumb' => Arr::a2s($gallery[0] ?? []),
+                    'thumb' => $gallery[0] ? Arr::a2s($gallery[0]) : '',
                     'gallery' => Arr::a2s($gallery),
                     'gallery' => Arr::a2s($gallery),
                     'attrs' => $data[4] ? $data[4] : Arr::a2s([]),
                     'attrs' => $data[4] ? $data[4] : Arr::a2s([]),
                     'category_id' => $category_id,
                     'category_id' => $category_id,