fix

app/Repositories/MetaRepository.php

@@ -67,7 +67,7 @@ class MetaRepository {
             $meta = $this->meta->create($data);
 
             DB::commit();
-            QrCode::size(200)->generate("http://uptoyo.com/".$meta['id'],public_path().'/qrcodes/'.$meta['patch_num'].'.png');
+            QrCode::generate("http://uptoyo.com/".$meta['id'],public_path().'/qrcodes/'.$meta['patch_num'].'.png');
             return Response::create();
         }catch (QueryException $exception){
             DB::rollBack();