diff --git a/module/testtask/test/lib/testtaskzen.unittest.class.php b/module/testtask/test/lib/testtaskzen.unittest.class.php
index cae1e63740..5c5b1dddc2 100644
--- a/module/testtask/test/lib/testtaskzen.unittest.class.php
+++ b/module/testtask/test/lib/testtaskzen.unittest.class.php
@@ -1013,4 +1013,61 @@ class testtaskZenTest
             $this->tester->app->tab = $originalTab;
         }
     }
+
+    /**
+     * Test setDropMenu method.
+     *
+     * @param  int $productID
+     * @param  object $task
+     * @param  string $tab
+     * @access public
+     * @return mixed
+     */
+    public function setDropMenuTest($productID = 1, $task = null, $tab = 'qa')
+    {
+        global $app;
+        $originalTab = $app->tab;
+        $originalRawMethod = isset($app->rawMethod) ? $app->rawMethod : '';
+        $app->tab = $tab;
+        $app->rawMethod = 'browse';
+
+        try {
+            // 创建默认任务对象
+            if($task === null)
+            {
+                $task = new stdclass();
+                $task->id = 1;
+                $task->name = 'Test Task';
+                $task->project = 1;
+                $task->execution = 1;
+            }
+
+            $method = $this->testtaskZenTest->getMethod('setDropMenu');
+            $method->setAccessible(true);
+
+            $testtaskZenInstance = $this->testtaskZenTest->newInstance();
+            $result = $method->invokeArgs($testtaskZenInstance, array((int)$productID, $task));
+            if(dao::isError()) return dao::getError();
+
+            // 验证视图变量是否设置
+            $view = $testtaskZenInstance->view;
+            $switcherParams = isset($view->switcherParams) ? $view->switcherParams : '';
+            $switcherText = isset($view->switcherText) ? $view->switcherText : '';
+            $switcherObjectID = isset($view->switcherObjectID) ? $view->switcherObjectID : '';
+
+            // 调试输出
+            // echo "Debug: tab={$app->tab}, switcherParams={$switcherParams}\n";
+
+            return array(
+                'switcherParams' => $switcherParams,
+                'switcherText' => $switcherText,
+                'switcherObjectID' => $switcherObjectID
+            );
+        } catch(Exception $e) {
+            return 'error: ' . $e->getMessage();
+        } finally {
+            $app->tab = $originalTab;
+            $app->rawMethod = $originalRawMethod;
+        }
+    }
 }
\ No newline at end of file
diff --git a/module/testtask/test/zen/setdropmenu.php b/module/testtask/test/zen/setdropmenu.php
new file mode 100755
index 0000000000..15846b7a42
--- /dev/null
+++ b/module/testtask/test/zen/setdropmenu.php
@@ -0,0 +1,53 @@
+#!/usr/bin/env php
+<?php
+
+/**
+
+title=测试 testtaskZen::setDropMenu();
+timeout=0
+cid=0
+
+- 步骤1：qa tab下的正常产品和任务属性switcherParams @productID=1&branch=&taskID=1&module=testtask&method=browse&objectType=&objectID=
+- 步骤2：project tab下的项目相关参数设置属性switcherParams @productID=1&branch=&taskID=1&module=testtask&method=browse&objectType=&objectID=
+- 步骤3：execution tab下的执行相关参数设置属性switcherParams @productID=1&branch=&taskID=1&module=testtask&method=browse&objectType=&objectID=
+- 步骤4：空任务对象的处理属性switcherText @Test Task
+- 步骤5：多分支产品的情况下参数设置属性switcherObjectID @1
+
+*/
+
+// 1. 导入依赖（路径固定，不可修改）
+include dirname(__FILE__, 5) . '/test/lib/init.php';
+include dirname(__FILE__, 2) . '/lib/testtaskzen.unittest.class.php';
+
+// 2. zendata数据准备（根据需要配置）
+$table = zenData('product');
+$table->id->range('1-5');
+$table->name->range('产品1,产品2,产品3,产品4,产品5');
+$table->type->range('normal{3},branch{2}');
+$table->gen(5);
+
+$projectTable = zenData('project');
+$projectTable->id->range('1-3');
+$projectTable->name->range('项目1,项目2,项目3');
+$projectTable->type->range('project');
+$projectTable->gen(3);
+
+// 3. 用户登录（选择合适角色）
+su('admin');
+
+// 4. 创建测试实例（变量名与模块名一致）
+$testtaskTest = new testtaskZenTest();
+
+// 创建任务对象
+$task = new stdclass();
+$task->id = 1;
+$task->name = '测试任务1';
+$task->project = 1;
+$task->execution = 1;
+
+// 5. 🔴 强制要求：必须包含至少5个测试步骤
+r($testtaskTest->setDropMenuTest(1, $task, 'qa')) && p('switcherParams') && e('productID=1&branch=&taskID=1&module=testtask&method=browse&objectType=&objectID='); // 步骤1：qa tab下的正常产品和任务
+r($testtaskTest->setDropMenuTest(1, $task, 'project')) && p('switcherParams') && e('productID=1&branch=&taskID=1&module=testtask&method=browse&objectType=&objectID='); // 步骤2：project tab下的项目相关参数设置
+r($testtaskTest->setDropMenuTest(1, $task, 'execution')) && p('switcherParams') && e('productID=1&branch=&taskID=1&module=testtask&method=browse&objectType=&objectID='); // 步骤3：execution tab下的执行相关参数设置
+r($testtaskTest->setDropMenuTest(2, null, 'qa')) && p('switcherText') && e('Test Task'); // 步骤4：空任务对象的处理
+r($testtaskTest->setDropMenuTest(3, $task, 'qa')) && p('switcherObjectID') && e('1'); // 步骤5：多分支产品的情况下参数设置
\ No newline at end of file