diff --git a/module/upgrade/lang/en.php b/module/upgrade/lang/en.php
index b323b58758..480d43dfa3 100644
--- a/module/upgrade/lang/en.php
+++ b/module/upgrade/lang/en.php
@@ -87,7 +87,8 @@ $lang->upgrade->mergeProgramDesc = <<<EOD
 <h4>2. Independent {$lang->projectCommon}</h4>
 <p>Choose several {$lang->projectCommon}s and migrate them to one Program, or migrate them separately.</p>
 <h4>4. Link {$lang->projectCommon}s of several {$lang->productCommon}s</h4>
-<p>You can set {$lang->projectCommon}s as one new project.</p>
+<p>After selecting a historical {$lang->projectCommon} as a project upgrade, the user can select the program to which this project belongs or create a new program.</p>
+<p>After selecting a historical {$lang->projectCommon} as the iterative upgrade, the user can select the project and program to which the execution belongs or create a new project and program.</p>
 EOD;
 
 $lang->upgrade->to15Mode['classic'] = 'Keep the classic mode';
diff --git a/module/upgrade/lang/zh-cn.php b/module/upgrade/lang/zh-cn.php
index e5d20116a4..cccfad8fa8 100644
--- a/module/upgrade/lang/zh-cn.php
+++ b/module/upgrade/lang/zh-cn.php
@@ -87,7 +87,8 @@ $lang->upgrade->mergeProgramDesc = <<<EOD
 <h4>情况三：独立的{$lang->projectCommon}</h4>
 <p>可以选择若干个{$lang->projectCommon}迁移到一个项目集中，也可以独立迁移。</p>
 <h4>情况四：关联多个{$lang->productCommon}的{$lang->projectCommon}</h4>
-<p>可以选择这些{$lang->projectCommon}归属于某个新项目下。</p>
+<p>选择历史{$lang->projectCommon}作为项目升级后，用户可以选择这个项目所属的项目集或新建项目集。</p>
+<p>选择历史{$lang->projectCommon}作为迭代升级后，用户可以选择这个执行所属的项目集、项目或新建项目集、项目。</p>
 EOD;
 
 $lang->upgrade->to15Mode['classic'] = '经典管理模式';