fix some problems

app/Services/Media/HasMediaTrait.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace App\Services\Media;
+
+use Spatie\MediaLibrary\HasMedia\HasMediaTrait as BasicHasMedia;
+use Spatie\MediaLibrary\Models\Media;
+
+trait HasMediaTrait
+{
+    use BasicHasMedia;
+
+    public function main_image()
+    {
+        return $this->morphOne(Media::class, 'model')->where('collection_name', 'main_image');
+    }
+
+    public function main_images()
+    {
+        return $this->morphMany(Media::class, 'model')->where('collection_name', 'main_images');
+    }
+}