diff --git a/module/execution/control.php b/module/execution/control.php
index 9881cf4be7..543ce89f45 100644
--- a/module/execution/control.php
+++ b/module/execution/control.php
@@ -3178,6 +3178,9 @@ class execution extends control
 
         $this->loadModel('product');
         $execution = $this->execution->getById($executionID);
+        $project   = $this->loadModel('project')->getByID($execution->project);
+        if(!$project->hasProduct) return print(js::error($this->lang->project->cannotManageProducts) . js::locate('back'));
+        if($project->model == 'waterfall' or $project->model == 'waterfallplus') return print(js::error(sprintf($this->lang->execution->cannotManageProducts, zget($this->lang->project->modelList, $project->model))) . js::locate('back'));
 
         if(!empty($_POST))
         {
diff --git a/module/execution/lang/de.php b/module/execution/lang/de.php
index aacc1a5dba..a80973707d 100644
--- a/module/execution/lang/de.php
+++ b/module/execution/lang/de.php
@@ -429,6 +429,7 @@ $lang->execution->hasStartedTaskOrSubStage     = "Tasks or subphases under %s %s
 $lang->execution->hasSuspendedOrClosedChildren = "The sub-stages under stage %s are not all suspended or closed, cannot be modified, and have been filtered.";
 $lang->execution->hasNotClosedChildren         = "The sub-stages under stage %s are not all closed, cannot be modified, and have been filtered.";
 $lang->execution->hasStartedTask               = "The task under %s %s has already started, cannot be modified, and has been filtered.";
+$lang->execution->cannotManageProducts         = 'The ' . strtolower($lang->project->common). ' model of this ' . strtolower($lang->execution->common) . " is %s and this " . strtolower($lang->execution->common) . ' cannot be associated with products.';
 
 /* Statistics. */
 $lang->execution->charts = new stdclass();
diff --git a/module/execution/lang/en.php b/module/execution/lang/en.php
index d8f522124d..a85838dffd 100644
--- a/module/execution/lang/en.php
+++ b/module/execution/lang/en.php
@@ -429,6 +429,7 @@ $lang->execution->hasStartedTaskOrSubStage     = "Tasks or subphases under %s %s
 $lang->execution->hasSuspendedOrClosedChildren = "The sub-stages under stage %s are not all suspended or closed, cannot be modified, and have been filtered.";
 $lang->execution->hasNotClosedChildren         = "The sub-stages under stage %s are not all closed, cannot be modified, and have been filtered.";
 $lang->execution->hasStartedTask               = "The task under %s %s has already started, cannot be modified, and has been filtered.";
+$lang->execution->cannotManageProducts         = 'The ' . strtolower($lang->project->common). ' model of this ' . strtolower($lang->execution->common) . " is %s and this " . strtolower($lang->execution->common) . ' cannot be associated with products.';
 
 /* Statistics. */
 $lang->execution->charts = new stdclass();
diff --git a/module/execution/lang/fr.php b/module/execution/lang/fr.php
index 46f9661aa7..e5ca0aa203 100644
--- a/module/execution/lang/fr.php
+++ b/module/execution/lang/fr.php
@@ -429,6 +429,7 @@ $lang->execution->hasStartedTaskOrSubStage     = "Tasks or subphases under %s %s
 $lang->execution->hasSuspendedOrClosedChildren = "The sub-stages under stage %s are not all suspended or closed, cannot be modified, and have been filtered.";
 $lang->execution->hasNotClosedChildren         = "The sub-stages under stage %s are not all closed, cannot be modified, and have been filtered.";
 $lang->execution->hasStartedTask               = "The task under %s %s has already started, cannot be modified, and has been filtered.";
+$lang->execution->cannotManageProducts         = 'The ' . strtolower($lang->project->common). ' model of this ' . strtolower($lang->execution->common) . " is %s and this " . strtolower($lang->execution->common) . ' cannot be associated with products.';
 
 /* Statistics. */
 $lang->execution->charts = new stdclass();
diff --git a/module/execution/lang/zh-cn.php b/module/execution/lang/zh-cn.php
index 211e47444a..8fcbcc036f 100644
--- a/module/execution/lang/zh-cn.php
+++ b/module/execution/lang/zh-cn.php
@@ -429,6 +429,7 @@ $lang->execution->hasStartedTaskOrSubStage     = "%s%s下的任务或子阶段
 $lang->execution->hasSuspendedOrClosedChildren = "阶段%s下的子阶段未全部挂起或关闭，无法修改，已过滤。";
 $lang->execution->hasNotClosedChildren         = "阶段%s下的子阶段未全部关闭，无法修改，已过滤。";
 $lang->execution->hasStartedTask               = "%s%s下的任务已经开始，无法修改，已过滤。";
+$lang->execution->cannotManageProducts         = "当前{$lang->execution->common}的{$lang->project->common}为%s{$lang->project->common}，不能关联产品。";
 
 /* 统计。*/
 $lang->execution->charts = new stdclass();