修正流程引擎多人执行模式bug

app/Gdoo/Workflow/Controllers/WidgetController.php

@@ -0,0 +1,25 @@
+<?php namespace Gdoo\Workflow\Controllers;
+
+use DB;
+use Auth;
+use Request;
+
+use Gdoo\Index\Controllers\DefaultController;
+
+use Gdoo\User\Models\User;
+
+class WidgetController extends DefaultController
+{
+    public $permission = ['index'];
+    
+    public function index()
+    {
+        if (Request::method() == 'POST') {
+            $rows = [];
+            $json['total'] = sizeof($rows);
+            $json['data'] = $rows;
+            return $json;
+        }
+        return $this->render();
+    }
+}