diff --git a/app/Admin/Controllers/ArticleController.php b/app/Admin/Controllers/ArticleController.php
index c6825c1..ce77a01 100644
--- a/app/Admin/Controllers/ArticleController.php
+++ b/app/Admin/Controllers/ArticleController.php
@@ -90,7 +90,7 @@ class ArticleController extends AdminController
                     amis()->DateTimeControl('published_at', __('admin.articles.published_at'))->format('YYYY-MM-DD HH:mm:ss')->description(__('admin.articles.published_at_remark')),
                     amis()->SwitchControl('is_enable', __('admin.articles.is_enable'))->value(false),
                     amis()->SwitchControl('is_recommend', __('admin.articles.is_recommend'))->value(false),
-                    Components::make()->chunkFileControl('appendixes', __('admin.articles.appendixes'), '.xsl,.xlsx,.txt,.doc,.docx,.pdf,.pptx'),
+                    Components::make()->fileControl('appendixes', __('admin.articles.appendixes'), '.xsl,.xlsx,.txt,.doc,.docx,.pdf,.pptx'),
                 ])->md(4),
                 amis()->Wrapper()->body([
                     Components::make()->fuEditorControl('content', __('admin.articles.content')),
diff --git a/app/Services/Admin/ArticleService.php b/app/Services/Admin/ArticleService.php
index 14c4913..3fcc219 100644
--- a/app/Services/Admin/ArticleService.php
+++ b/app/Services/Admin/ArticleService.php
@@ -32,7 +32,7 @@ class ArticleService extends BaseService
             $data['published_at'] = now();
         }
 
-        $data['cover'] = $this->saveImage('cover', 'articles/cover')[0];
+        $data['cover'] = $this->saveImage('cover', 'articles/cover')[0] ?? '';
         $data['appendixes'] = $this->saveFile('appendixes', 'articles/appendixes');
 
         foreach ($data as $k => $v) {
@@ -59,7 +59,7 @@ class ArticleService extends BaseService
         }
 
         if(isset($data['cover'])){
-            $data['cover'] = $this->saveImage('cover', 'articles/cover')[0];
+            $data['cover'] = $this->saveImage('cover', 'articles/cover')[0] ?? '';
         }
         
         if(isset($data['appendixes'])){
diff --git a/app/Traits/UploadTrait.php b/app/Traits/UploadTrait.php
index 4a47535..cf5f7f0 100644
--- a/app/Traits/UploadTrait.php
+++ b/app/Traits/UploadTrait.php
@@ -4,6 +4,7 @@ namespace App\Traits;
 
 use Slowlyo\OwlAdmin\Admin;
 use Illuminate\Support\Arr;
+use Illuminate\Support\Str;
 use Illuminate\Support\Facades\Storage;
 
 trait UploadTrait
@@ -105,6 +106,12 @@ trait UploadTrait
                         case 'uploaded':
                             if(isset($file['name'])){
                                 $filePath = $path.'/'.$file['name'];
+                                if(Str::startsWith($file['value'], ['http://', 'https://'])){
+                                    $fileUrl = parse_url($file['value']);
+                                    $fileValue = ltrim($fileUrl['path'], '/');
+                                }else{
+                                    $fileValue = $file['value'];
+                                }
                                 Storage::disk(Admin::config('admin.upload.disk'))->move($file['value'],  $filePath);
                                 $fileArr[] = Storage::disk(Admin::config('admin.upload.disk'))->url($filePath);
                             }