diff --git a/module/programplan/model.php b/module/programplan/model.php
index d3729861db..9eff4d6a2d 100755
--- a/module/programplan/model.php
+++ b/module/programplan/model.php
@@ -131,10 +131,12 @@ class programplanModel extends model
      * @param  int     $baselineID
      * @param  string  $selectCustom
      * @param  bool    $returnJson
+     * @param  string  $browseType
+     * @param  int     $queryID
      * @access public
      * @return string|array
      */
-    public function getDataForGantt(int $projectID, int $productID, int $baselineID = 0, string $selectCustom = '', bool $returnJson = true): string|array
+    public function getDataForGantt(int $projectID, int $productID, int $baselineID = 0, string $selectCustom = '', bool $returnJson = true, $browseType = '', $queryID = 0): string|array
     {
         $plans   = $this->getStage($projectID, $productID, 'all', 'order');
         $project = $this->loadModel('project')->getById($projectID);
@@ -158,7 +160,7 @@ class programplanModel extends model
         if(empty($selectCustom)) $selectCustom = $this->loadModel('setting')->getItem("owner={$this->app->user->account}&module=programplan&section=browse&key=stageCustom");
 
         /* Set task baseline data. */
-        $tasks = empty($planIdList) ? array() : $this->dao->select('*')->from(TABLE_TASK)->where('deleted')->eq(0)->andWhere('execution')->in($planIdList)->orderBy('execution_asc, order_asc, id_desc')->fetchAll('id');
+        $tasks = $this->getGanttTasks($projectID, $planIdList, $browseType, $queryID);
         if($baselineID) $this->programplanTao->setTaskBaseline(isset($oldData->task) ? $oldData->task : array(), $tasks); // Set task baseline.
 
         /* Set task for gantt view. */
@@ -187,10 +189,12 @@ class programplanModel extends model
      * @param  int     $baselineID
      * @param  string  $selectCustom
      * @param  bool    $returnJson
+     * @param  string  $browseType
+     * @param  int     $queryID
      * @access public
      * @return string|array
      */
-    public function getDataForGanttGroupByAssignedTo(int $executionID, int $productID, int $baselineID = 0, string $selectCustom = '', bool $returnJson = true): string|array
+    public function getDataForGanttGroupByAssignedTo(int $executionID, int $productID, int $baselineID = 0, string $selectCustom = '', bool $returnJson = true, string $browseType = '', int $queryID = 0): string|array
     {
         $datas       = array();
         $stageIndex  = array();
@@ -198,7 +202,7 @@ class programplanModel extends model
         $plans      = $this->getStage($executionID, $productID);
         $planIdList = array_column($plans, 'id');
         $users      = $this->loadModel('user')->getPairs('noletter');
-        $tasks      = $this->dao->select('*')->from(TABLE_TASK)->where('deleted')->eq(0)->andWhere('execution')->in($planIdList)->fetchAll('id');
+        $tasks      = $this->getGanttTasks($executionID, $planIdList, $browseType, $queryID);
         $tasksGroup = $this->programplanTao->buildTaskGroup($tasks);
 
         /* Judge whether to display tasks under the stage. */
@@ -740,4 +744,10 @@ class programplanModel extends model
         $this->setting->setItem("$owner.$module.ganttCustom.ganttFields", $ganttFields);
         $this->setting->setItem("$owner.$module.ganttCustom.zooming", $zooming);
     }
+
+    public function getGanttTasks(int $projectID, array $planIdList, string $browseType, int $queryID)
+    {
+        $tasks = array();
+        return $tasks;
+    }
 }