code format

app/Model/MediaModel.php

@@ -22,14 +22,7 @@ class MediaModel extends Eloquent
             if ($request->name){
                 $where['name'] = $request->name;
             }
-            $medias = DB::connection('mongodb')->collection('media')->select("media.*",'media_category.name')->leftJoin('media_category',"media.media_type",'media_category._id')->where($where)->paginate(10);
-
-            foreach ($medias as $media){
-
-                var_dump($media);die;
-            }
-
-            var_dump($medias[0]);die;
+            $medias = DB::connection('mongodb')->collection('media_category')->leftJoin('media_category',"media.media_type",'media_category._id')->where($where)->paginate(10);
 
         }catch (\Exception $exception){
             throw new DatabaseException($exception->getMessage());
@@ -52,8 +45,10 @@ class MediaModel extends Eloquent
              * 判断媒资ID是否存在
              */
             $media_id = $request->media_id;
+
+
             $media = MediaModel::find($media_id);
-            if ($media){
+            if (!empty($media)){
                 throw new \Exception('媒资已经存在');
             }