diff --git a/module/project/control.php b/module/project/control.php
index 3c3a06130f..6fce0302c9 100755
--- a/module/project/control.php
+++ b/module/project/control.php
@@ -1867,61 +1867,43 @@ class project extends control
     }
 
     /**
-     * Delete a project.
+     * 删除一个项目，并弹窗确认
+     * Delete a project and confirm.
      *
-     * @param  int     $projectID
+     * @param  string  $projectID
      * @param  string  $confirm
      * @param  string  $from browse|view
+     *
      * @access public
      * @return void
      */
-    public function delete($projectID, $confirm = 'no', $from = 'browse')
+    public function delete(string $projectID, string $confirm = 'no', string $from = 'browse'): void
     {
         $projectID = (int)$projectID;
+        $project   = $this->getByID($projectID);
+
         if($confirm == 'no')
         {
-            $project = $this->project->getByID($projectID);
             return print(js::confirm(sprintf($this->lang->project->confirmDelete, $project->name), $this->createLink('project', 'delete', "projectID=$projectID&confirm=yes&from=$from")));
         }
         else
         {
-            $this->loadModel('user');
-            $this->loadModel('action');
-
             $this->project->delete(TABLE_PROJECT, $projectID);
             $this->dao->update(TABLE_DOCLIB)->set('deleted')->eq(1)->where('execution')->eq($projectID)->exec();
-            $this->user->updateUserView($projectID, 'project');
-
-            /* Delete the execution under the project. */
-            $executionIdList = $this->loadModel('execution')->getPairs($projectID);
-
-            /* Delete shadow product.*/
-            $project = $this->project->getByID($projectID);
-            if(!$project->hasProduct)
-            {
-                $productID = $this->loadModel('product')->getProductIDByProject($projectID);
-                $this->dao->update(TABLE_PRODUCT)->set('deleted')->eq(1)->where('id')->eq($productID)->exec();
-            }
+            $this->loadModel('user')->updateUserView($projectID, 'project');
 
             $message = $this->executeHooks($projectID);
             if($message) $this->lang->saveSuccess = $message;
 
-            if(empty($executionIdList))
-            {
-                if($this->viewType == 'json') return $this->send(array('result' => 'success', 'message' => $this->lang->saveSuccess));
-                if($from == 'view') return print(js::locate($this->createLink('project', 'browse'), 'parent'));
-                return print(js::reload('parent'));
-            }
-
-            $this->dao->update(TABLE_EXECUTION)->set('deleted')->eq(1)->where('id')->in(array_keys($executionIdList))->exec();
-            foreach($executionIdList as $executionID => $execution) $this->action->create('execution', $executionID, 'deleted', '', ACTIONMODEL::CAN_UNDELETED);
-            $this->user->updateUserView($executionIdList, 'sprint');
+            $this->projectZen->removeAssociatedProducts($project);
+            $this->projectZen->removeAssociatedExecutions($projectID);
 
             if($this->viewType == 'json') return $this->send(array('result' => 'success', 'message' => $this->lang->saveSuccess));
 
             $this->session->set('project', '');
             if($from == 'view') return print(js::locate($this->createLink('project', 'browse'), 'parent'));
             return print(js::reload('parent'));
+
         }
     }
 
diff --git a/module/project/model.php b/module/project/model.php
index c9f52f5f57..8e93f93cfb 100755
--- a/module/project/model.php
+++ b/module/project/model.php
@@ -1767,12 +1767,28 @@ class projectModel extends model
         return !dao::isError();
     }
 
+    /**
+     * 删除项目并同步执行与产品等状态为删除
+     * Deletes a project and updates related items: product|execution
+     *
+     * @param  string    $table  product|execution
+     * @param  int|array $idList
+     *
+     * @access public
+     * @return void
+     */
+    public function deleteProductAndExcution(string $table, int|array $idList):void
+    {
+        $this->dao->update($table)->set('deleted')->eq(1)->where('id')->in($idList)->exec();
+    }
+
     /**
      * Update the program of the product.
      *
      * @param  int    $oldProgram
      * @param  int    $newProgram
      * @param  array  $products
+     *
      * @access public
      * @return void
      */
diff --git a/module/project/zen.php b/module/project/zen.php
index dfd4234cd0..15a2bed7a8 100644
--- a/module/project/zen.php
+++ b/module/project/zen.php
@@ -56,9 +56,9 @@ class projectZen extends project
      * @param  object $project
      * @param  object $rawdata
      * @access protected
-     * @return bool 
+     * @return bool
      */
-    private function checkProductAndBranch(object $project, object $rawdata): bool 
+    private function checkProductAndBranch(object $project, object $rawdata): bool
     {
         $linkedProductsCount = $this->project->getLinkedProductsCount($project, $rawdata);
 
@@ -98,9 +98,9 @@ class projectZen extends project
      * @param  object $project
      * @param  object $rawdata
      * @access protected
-     * @return bool 
+     * @return bool
      */
-    private function checkDaysAndBudget(object $project, object $rawdata): bool 
+    private function checkDaysAndBudget(object $project, object $rawdata): bool
     {
         /* Judge workdays is legitimate. */
         $workdays = helper::diffDate($project->end, $project->begin) + 1;
@@ -137,9 +137,9 @@ class projectZen extends project
      * @param  object $project
      * @param  object $rawdata
      * @access protected
-     * @return bool 
+     * @return bool
      */
-    private function checkProductNameUnqiue(object $project, object $rawdata): bool 
+    private function checkProductNameUnqiue(object $project, object $rawdata): bool
     {
         /* When select create new product, product name cannot be empty and duplicate. */
         if($project->hasProduct && isset($rawdata->newProduct))
@@ -542,4 +542,48 @@ class projectZen extends project
             ->remove('comment,readjustTime,readjustTask')
             ->get();
     }
+
+    /**
+     * 从项目中删除所有关联的执行。
+     * removes all associated executions from the be deleted project
+     *
+     * @param  int $projectID
+     *
+     * @access protected
+     * @return void
+     */
+    protected function removeAssociatedExecutions(int $projectID): void
+    {
+        /* Delete the execution under the project. */
+        $executionIdList = $this->loadModel('execution')->getPairs($projectID);
+        if(empty($executionIdList))
+        {
+            if($this->viewType == 'json') return $this->send(array('result' => 'success', 'message' => $this->lang->saveSuccess));
+            if($from == 'view') return print(js::locate($this->createLink('project', 'browse'), 'parent'));
+            return print(js::reload('parent'));
+        }
+
+        $this->updateRelatedItemByDelete('zt_execution', array_keys($executionIdList));
+        foreach($executionIdList as $executionID => $execution) $this->action->create('execution', $executionID, 'deleted', '', ACTIONMODEL::CAN_UNDELETED);
+        $this->user->updateUserView($executionIdList, 'sprint');
+    }
+
+    /**
+     * 从项目中删除所有关联的产品。
+     * removes all associated products from the be deleted project
+     *
+     * @param  object $projectID
+     *
+     * @access protected
+     * @return void
+     */
+    protected function removeAssociatedProducts(object $project): void
+    {
+        /* Delete shadow product.*/
+        if(!$project->hasProduct)
+        {
+            $productID = $this->loadModel('product')->getProductIDByProject($project->id);
+            $this->updateRelatedItemByDelete('zt_product', $productID);
+        }
+    }
 }