diff --git a/module/project/model.php b/module/project/model.php
index dda6b84d6d..90a22f3dcb 100755
--- a/module/project/model.php
+++ b/module/project/model.php
@@ -1527,6 +1527,7 @@ class projectModel extends model
             if($unlinkType) $this->unlinkStoryByType($projectID, $unlinkType);
         }
         if(empty($oldProject->multiple) and !in_array($oldProject->model, array('waterfall', 'waterfallplus'))) $this->loadModel('execution')->syncNoMultipleSprint($projectID); // 无迭代的非瀑布项目需要更新。
+        if(in_array($this->config->edition, array('max', 'ipd')) && $oldProject->workflowGroup != $project->workflowGroup) $this->replaceDeliverable($projectID, $project->workflowGroup); // 更新交付物关联信息。
 
         if(dao::isError()) return false;
         return common::createChanges($oldProject, $project);