* Adjust codes.

module/product/model.php

@@ -605,7 +605,7 @@ class productModel extends model
      * 
      * @param  array  $appendIDList 
      * @access public
-     * @return void
+     * @return array
      */
     public function getProductsGroupByProgram($appendIDList = array())
     {

module/project/control.php

@@ -2135,6 +2135,8 @@ class project extends control
                 return $this->send(array('result' => 'fail', 'message' => dao::getError()));
             }
 
+            $oldProducts = $this->product->getProducts($projectID);
+
             $this->project->updateProducts($projectID);
             if(dao::isError()) return $this->send(array('result' => 'fail', 'message' => dao::getError()));
 
@@ -2144,7 +2146,6 @@ class project extends control
                 if($executionID) $this->execution->updateProducts($executionID);
             }
 
-            $oldProducts    = $this->product->getProducts($projectID);
             $newProducts    = $this->product->getProducts($projectID);
             $oldProductIDs  = array_keys($oldProducts);
             $newProductIDs  = array_keys($newProducts);