diff --git a/module/project/config/form.php b/module/project/config/form.php
index c5ca91565f..2970993058 100644
--- a/module/project/config/form.php
+++ b/module/project/config/form.php
@@ -46,3 +46,8 @@ $config->project->form->edit['product']    = array('type' => 'array',  'required
 $config->project->form->start['realBegan'] = array('type' => 'date', 'required' => true, 'filter' => 'trim');
 
 $config->project->form->close['realEnd'] = array('type' => 'date', 'required' => true, 'filter' => 'trim');
+
+$config->project->form->activate['begin']        = array('type' => 'date',   'required' => true);
+$config->project->form->activate['end']          = array('type' => 'date',   'required' => true);
+$config->project->form->activate['readjustTime'] = array('type' => 'int',    'required' => false, 'default' => '');
+$config->project->form->activate['readjustTask'] = array('type' => 'array',    'required' => false, 'default' => '');
diff --git a/module/project/zen.php b/module/project/zen.php
index 205d8e7ffd..f3543af4a8 100644
--- a/module/project/zen.php
+++ b/module/project/zen.php
@@ -569,7 +569,7 @@ class projectZen extends project
     {
         if($this->post->comment != '' or !empty($changes))
         {
-            $actionID = $this->action->create('project', $projectID, 'Activated', $this->post->comment);
+            $actionID = $this->loadModel('action')->create('project', $projectID, 'Activated', $this->post->comment);
             $this->action->logHistory($actionID, $changes);
         }
 
@@ -587,6 +587,7 @@ class projectZen extends project
      */
     protected function prepareActivateExtras(int $projectID, object $postData): object
     {
+        $rawdata      = $postData->rawdata;
         $oldProject   = $this->project->getByID($projectID);
         $editorIdList = $this->config->project->editor->activate['id'];
 
@@ -595,6 +596,8 @@ class projectZen extends project
             ->setDefault('status', 'doing')
             ->setDefault('lastEditedBy', $this->app->user->account)
             ->setDefault('lastEditedDate', helper::now())
+            ->setIF($rawdata->begin == '0000-00-00', 'begin', '')
+            ->setIF($rawdata->end   == '0000-00-00', 'end', '')
             ->setIF(!helper::isZeroDate($oldProject->realBegan), 'realBegan', helper::today())
             ->stripTags($editorIdList, $this->config->allowedTags)
             ->get();