update

app/Http/Controllers/V2/VideoGroupController.php

@@ -94,7 +94,7 @@ class VideoGroupController extends Controller {
         $validator = Validator::make($data, [
             'id' => 'required|integer|max:12',
             'name' => 'required|string|max:12',
-            'video_info' => 'string'
+            'video_info' => 'required|array'
         ]);
         if ($validator->fails()) {
             return $this->response->error($validator->errors()->first(), 500);