gx

@@ -178,8 +178,8 @@ class SyncProject extends Command
             'project_after' => [],
             'payment' => [
                 'amount' => $param['plan_price'],
-                'contract' => $param['files'],
-                'bill' => $param['images'],
+                'contract' => !empty($param['files']) ? json_encode($param['files']) : '',
+                'bill' => !empty($param['images']) ? json_encode($param['images']) : '',
             ],
         ];
         DB::beginTransaction();