diff --git a/test/class/execution.class.php b/test/class/execution.class.php
index 1bcee7b6a9..f141853ed3 100644
--- a/test/class/execution.class.php
+++ b/test/class/execution.class.php
@@ -2651,7 +2651,22 @@ class executionTest
     {
         global $app;
         $app->moduleName = 'task';
-        $trees = $this->objectModel->getTree($executionID);
-        return str_replace(' ', '', strip_tags($this->objectModel->printTree($trees, false)));
+        $tree = $this->objectModel->getTree($executionID);
+        return str_replace(' ', '', strip_tags($this->objectModel->printTree($tree, false)));
+    }
+
+    /**
+     * Test format tasks for tree.
+     *
+     * @param  int    $executionID
+     * @access public
+     * @return string
+     */
+    public function formatTasksForTreeTest($executionID)
+    {
+        global $app;
+        $app->moduleName = 'task';
+        $tasks = $this->objectModel->getSearchTasks("execution = $executionID", null, 'id_desc');
+        return $this->objectModel->formatTasksForTree($tasks);
     }
 }
diff --git a/test/model/execution/formattasksfortree.php b/test/model/execution/formattasksfortree.php
new file mode 100644
index 0000000000..52d762830a
--- /dev/null
+++ b/test/model/execution/formattasksfortree.php
@@ -0,0 +1,67 @@
+#!/usr/bin/env php
+<?php
+include dirname(dirname(dirname(__FILE__))) . '/lib/init.php';
+include dirname(dirname(dirname(__FILE__))) . '/class/execution.class.php';
+zdTable('user')->gen(5);
+su('admin');
+
+$execution = zdTable('project');
+$execution->id->range('1-6');
+$execution->name->range('项目集1,项目1,项目2,迭代1,阶段1,看板1');
+$execution->type->range('program,project{2},sprint,stage,kanban');
+$execution->code->range('1-6')->prefix('code');
+$execution->parent->range('0,1{2},2{2},3');
+$execution->project->range('0,1{2},2{2},3');
+$execution->status->range('wait{3},suspended,closed,doing');
+$execution->openedBy->range('admin,user1');
+$execution->hasProduct->range('0');
+$execution->begin->range('20220110 000000:0')->type('timestamp')->format('YY/MM/DD');
+$execution->end->range('20220220 000000:0')->type('timestamp')->format('YY/MM/DD');
+$execution->gen(6);
+
+$burn = zdTable('burn');
+$burn->execution->range('3{5},4{5},5{5}');
+$burn->date->range('20220111 000000:1D')->type('timestamp')->format('YY/MM/DD');
+$burn->estimate->range('94.3,56.3,55.3,37.8,33.8');
+$burn->left->range('95.3,68.5,73.9,40.2,36,3');
+$burn->consumed->range('20.1,33.4,41,56.55,59.55');
+$burn->storyPoint->range('0,16.5,16,11.5,9');
+$burn->gen(15);
+
+$product = zdTable('product');
+$product->id->range('1-3');
+$product->name->range('1-3')->prefix('产品');
+$product->code->range('1-3')->prefix('product');
+$product->type->range('normal');
+$product->status->range('normal');
+$product->gen(3);
+
+$task = zdTable('task');
+$task->id->range('1-10');
+$task->name->range('1-10')->prefix('任务');
+$task->execution->range('4');
+$task->status->range('wait,doing');
+$task->estimate->range('1-10');
+$task->left->range('1-10');
+$task->consumed->range('1-10');
+$task->gen(10);
+
+zdTable('projectproduct')->gen(0);
+
+/**
+
+title=测试executionModel->formatTasksForTree();
+cid=1
+pid=1
+
+查询不存在的执行 >> 0
+查询存在的执行   >> 任务10
+
+*/
+
+$executionIDList = array(0, 4);
+
+$execution = new executionTest();
+r($execution->formatTasksForTreeTest($executionIDList[0])) && p()          && e('0');      // 查询不存在的执行
+r($execution->formatTasksForTreeTest($executionIDList[1])) && p('0:title') && e('任务10'); // 查询存在的执行
+