diff --git a/framework/control.class.php b/framework/control.class.php
index 51c16f7b08..2adfdf52bb 100644
--- a/framework/control.class.php
+++ b/framework/control.class.php
@@ -542,7 +542,7 @@ class control extends baseControl
     }
 
     /**
-     * append workflow js and css to form.
+     * append workflow field to form.
      *
      * @param  string $position   info|basic
      * @param  object $object
@@ -597,6 +597,37 @@ class control extends baseControl
         return array();
     }
 
+    /**
+     * append workflow form config.
+     *
+     * @param  array  $config
+     * @param  string $moduleName
+     * @param  string $methodName
+     * @access public
+     * @return void
+     */
+    public function appendExtendFormConfig(array $config, string $moduleName = '', string $methodName = '')
+    {
+        if($this->config->edition == 'open') return $config;
+
+        $moduleName = $moduleName ? $moduleName : $this->app->getModuleName();
+        $methodName = $methodName ? $moduleName : $this->app->getMethodName();
+
+        $flow      = $this->loadModel('workflow')->getByModule($moduleName);
+        $action    = $this->loadModel('workflowaction')->getByModuleAndAction($flow->module, $methodName);
+        $fieldList = $this->workflowaction->getFields($flow->module, $action->action);
+        $layouts   = $this->loadModel('workflowlayout')->getFields($moduleName, $methodName);
+        if($layouts)
+        {
+            foreach($fieldList as $key => $field)
+            {
+                if($field->buildin || !$field->show || !isset($layouts[$field->field])) continue;
+                $config[$field->field] = array('required' => false, 'type' => $field->type);
+            }
+        }
+        return $config;
+    }
+
     /**
      * Process status of an object according to its subStatus.
      *
diff --git a/lib/form/form.class.php b/lib/form/form.class.php
index 4adecd1a5a..927d4ab86e 100644
--- a/lib/form/form.class.php
+++ b/lib/form/form.class.php
@@ -72,6 +72,7 @@ class form extends fixer
         global $app, $config;
 
         if($configObject === null) $configObject = $config->{$app->moduleName}->form->{$app->methodName};
+        $configObject = $app->control->appendExtendFormConfig($configObject);
         return (new form)->config($configObject);
     }
 
diff --git a/module/bug/control.php b/module/bug/control.php
index 02a6254ee2..71f852ff72 100755
--- a/module/bug/control.php
+++ b/module/bug/control.php
@@ -206,7 +206,7 @@ class bug extends control
      */
     public function create(int $productID, string $branch = '', string $extras = '')
     {
-        $extras       = str_replace(array(',', ' ', '*'), array('&', '', '-'), $extras);
+        $extras = str_replace(array(',', ' ', '*'), array('&', '', '-'), $extras);
         parse_str($extras, $params);
 
         $from = isset($params['from']) ? $params['from'] : '';