diff --git a/module/program/config/form.php b/module/program/config/form.php
index d02830cddd..e1c48dcda5 100644
--- a/module/program/config/form.php
+++ b/module/program/config/form.php
@@ -4,9 +4,16 @@ $now = helper::now();
 global $app;
 $config->program->form = new stdclass();
 
-$config->program->form->close['realEnd']        = array('type' => 'string', 'required' => true,  'default' => $now, 'filter' => 'trim');
-$config->program->form->close['status']         = array('type' => 'string', 'required' => false, 'default' => 'closed');
-$config->program->form->close['closedDate']     = array('type' => 'string', 'required' => false, 'default' => $now);
-$config->program->form->close['closedBy']       = array('type' => 'string', 'required' => false, 'default' => $app->user->account);
-$config->program->form->close['lastEditedDate'] = array('type' => 'string', 'required' => false, 'default' => $now);
-$config->program->form->close['lastEditedBy']   = array('type' => 'string', 'required' => false, 'default' => $app->user->account);
+$config->program->form->close['realEnd']        = array('type' => 'date',     'required' => true,  'default' => $now, 'filter' => 'trim');
+$config->program->form->close['status']         = array('type' => 'string',   'required' => false, 'default' => 'closed');
+$config->program->form->close['closedDate']     = array('type' => 'datetime', 'required' => false, 'default' => $now);
+$config->program->form->close['closedBy']       = array('type' => 'string',   'required' => false, 'default' => $app->user->account);
+$config->program->form->close['lastEditedDate'] = array('type' => 'datetime', 'required' => false, 'default' => $now);
+$config->program->form->close['lastEditedBy']   = array('type' => 'string',   'required' => false, 'default' => $app->user->account);
+
+$config->program->form->activate['begin']          = array('type' => 'date',     'required' => false, 'default' => null, 'filter' => 'trim');
+$config->program->form->activate['end']            = array('type' => 'date',     'required' => false, 'default' => null, 'filter' => 'trim');
+$config->program->form->activate['status']         = array('type' => 'string',   'required' => false, 'default' => 'doing');
+$config->program->form->activate['realEnd']        = array('type' => 'date',     'required' => false, 'default' => null);
+$config->program->form->activate['lastEditedDate'] = array('type' => 'datetime', 'required' => false, 'default' => $now);
+$config->program->form->activate['lastEditedBy']   = array('type' => 'string',   'required' => false, 'default' => $app->user->account);
diff --git a/module/program/control.php b/module/program/control.php
index c99de0ed97..a75db57295 100644
--- a/module/program/control.php
+++ b/module/program/control.php
@@ -301,23 +301,25 @@ class program extends control
     }
 
     /**
+     * 激活一个项目集。
      * Activate a program.
      *
      * @param  int     $programID
      * @access public
      * @return void
      */
-    public function activate($programID = 0)
+    public function activate(int $programID = 0)
     {
         $this->loadModel('action');
         $program = $this->program->getByID($programID);
 
         if(!empty($_POST))
         {
-            $changes = $this->program->activate($programID);
+            $programData = form::data()->get();
+            $changes     = $this->program->activate($programData, $program);
             if(dao::isError()) return $this->send(array('result' => 'fail', 'message' => dao::getError()));
 
-            if($this->post->comment != '' or !empty($changes))
+            if($this->post->comment != '' || !empty($changes))
             {
                 $actionID = $this->action->create('program', $programID, 'Activated', $this->post->comment);
                 $this->action->logHistory($actionID, $changes);
diff --git a/module/program/model.php b/module/program/model.php
index 03172d3ed7..04230b4c00 100644
--- a/module/program/model.php
+++ b/module/program/model.php
@@ -992,32 +992,29 @@ class programModel extends model
     }
 
     /**
+     * 激活一个项目集。
      * Activate a program.
      *
-     * @param  int $programID
+     * @param  object      $program
+     * @param  object      $oldProgram
      * @access public
      * @return array|false
      */
-    public function activate(int $programID) :array|false
+    public function activate(object $program, $oldProgram) :array|false
     {
-        $oldProgram = $this->getByID($programID);
-        $now        = helper::now();
-
-        $program = fixer::input('post')
-            ->setDefault('realEnd','')
-            ->setDefault('status', 'doing')
-            ->setDefault('lastEditedBy', $this->app->user->account)
-            ->setDefault('lastEditedDate', $now)
-            ->setIF(!helper::isZeroDate($oldProgram->realBegan), 'realBegan', helper::today())
-            ->stripTags($this->config->program->editor->activate['id'], $this->config->allowedTags)
-            ->remove('comment')
-            ->get();
+        if($program->begin > $program->end)
+        {
+            dao::$errors['end'] = sprintf($this->lang->error->ge, $this->lang->program->end, $this->lang->program->begin);
+            return false;
+        }
 
+        if(!helper::isZeroDate($oldProgram->realBegan)) $program->realBegan = helper::today();
         $program = $this->loadModel('file')->processImgURL($program, $this->config->program->editor->activate['id'], $this->post->uid);
+
         $this->dao->update(TABLE_PROJECT)->data($program)
             ->autoCheck()
             ->checkFlow()
-            ->where('id')->eq((int)$programID)
+            ->where('id')->eq($oldProgram->id)
             ->exec();
 
         if(dao::isError()) return false;