convert receiptpdf

app/Models/Items.php

@@ -20,9 +20,9 @@ class Items extends Model
     'created_at',
     'updated_at'
     ];
-  
+
     public function winningBids()
     {
-        return $this->belongsTo('App\Models\WinningBids', 'winning_item_num', 'iditems');
+        return $this->belongsTo('App\Models\WinningBids', 'iditems', 'winning_item_num');
     }
 }