diff --git a/module/testcase/test/lib/testcasezen.unittest.class.php b/module/testcase/test/lib/testcasezen.unittest.class.php
index 06672b6d4a..2ed0b8efc5 100755
--- a/module/testcase/test/lib/testcasezen.unittest.class.php
+++ b/module/testcase/test/lib/testcasezen.unittest.class.php
@@ -146,4 +146,79 @@ class testcaseZenTest
             return 1;
         }
     }
+
+    /**
+     * Test assignModulesForCreate method.
+     *
+     * @param  int    $productID
+     * @param  int    $moduleID
+     * @param  string $branch
+     * @param  int    $storyID
+     * @param  array  $branches
+     * @access public
+     * @return array
+     */
+    public function assignModulesForCreateTest(int $productID, int $moduleID, string $branch, int $storyID, array $branches): array
+    {
+        global $tester;
+
+        // 初始化必要的对象
+        if(!isset($tester->view)) $tester->view = new stdClass();
+        if(!isset($tester->cookie)) $tester->cookie = new stdClass();
+
+        // 设置cookie模拟数据
+        $tester->cookie->lastCaseProduct = 1;
+        $tester->cookie->lastCaseModule = 2;
+
+        try {
+            // 获取testcase的zen对象
+            $zenObject = initReference('testcase');
+
+            // 使用反射调用protected方法
+            $reflection = new ReflectionClass($zenObject);
+            $method = $reflection->getMethod('assignModulesForCreate');
+            $method->setAccessible(true);
+
+            // 调用方法
+            $method->invoke($zenObject, $productID, $moduleID, $branch, $storyID, $branches);
+
+            // 返回视图变量用于验证
+            return array(
+                'currentModuleID' => $tester->view->currentModuleID ?? null,
+                'moduleOptionMenu' => !empty($tester->view->moduleOptionMenu),
+                'sceneOptionMenu' => !empty($tester->view->sceneOptionMenu)
+            );
+        } catch (Exception $e) {
+            // 返回错误信息
+            return array('error' => $e->getMessage());
+        }
+    }
+
+    /**
+     * Test assignModuleTreeForBrowse method.
+     *
+     * @param  int    $productID
+     * @param  string $branch
+     * @param  int    $projectID
+     * @access public
+     * @return array
+     */
+    public function assignModuleTreeForBrowseTest(int $productID, string $branch, int $projectID): array
+    {
+        try {
+            // 直接调用zen方法而不用反射
+            $result = callZenMethod('testcase', 'assignModuleTreeForBrowse', [$productID, $branch, $projectID]);
+
+            // 该方法是void方法，应该总是执行成功
+            return array(
+                'moduleTreeAssigned' => '1'
+            );
+        } catch (Exception $e) {
+            // 如果有异常，返回失败
+            return array('moduleTreeAssigned' => '0', 'error' => $e->getMessage());
+        } catch (Error $e) {
+            // 捕获致命错误
+            return array('moduleTreeAssigned' => '0', 'error' => $e->getMessage());
+        }
+    }
 }
diff --git a/module/testcase/test/zen/assignmoduletreeforbrowse.php b/module/testcase/test/zen/assignmoduletreeforbrowse.php
new file mode 100755
index 0000000000..7b7f5a3ac9
--- /dev/null
+++ b/module/testcase/test/zen/assignmoduletreeforbrowse.php
@@ -0,0 +1,66 @@
+#!/usr/bin/env php
+<?php
+
+/**
+
+title=测试 testcaseZen::assignModuleTreeForBrowse();
+timeout=0
+cid=0
+
+- 步骤1：有产品ID和项目ID
+ - 属性moduleTreeAssigned @1
+ - 属性error @~~
+- 步骤2：只有项目ID没有产品ID
+ - 属性moduleTreeAssigned @1
+ - 属性error @~~
+- 步骤3：只有产品ID没有项目ID
+ - 属性moduleTreeAssigned @1
+ - 属性error @~~
+- 步骤4：产品ID和项目ID都为0
+ - 属性moduleTreeAssigned @1
+ - 属性error @~~
+- 步骤5：带有分支参数
+ - 属性moduleTreeAssigned @1
+ - 属性error @~~
+
+*/
+
+// 1. 导入依赖（路径固定，不可修改）
+include dirname(__FILE__, 5) . '/test/lib/init.php';
+include dirname(__FILE__, 2) . '/lib/testcasezen.unittest.class.php';
+
+// 2. zendata数据准备（根据需要配置）
+$productTable = zenData('product');
+$productTable->id->range('1-10');
+$productTable->name->range('产品1,产品2,产品3,产品4,产品5,产品6,产品7,产品8,产品9,产品10');
+$productTable->type->range('normal{8},branch{2}');
+$productTable->gen(10);
+
+$projectTable = zenData('project');
+$projectTable->id->range('1-10');
+$projectTable->name->range('项目1,项目2,项目3,项目4,项目5,项目6,项目7,项目8,项目9,项目10');
+$projectTable->type->range('project{5},sprint{5}');
+$projectTable->gen(10);
+
+$moduleTable = zenData('module');
+$moduleTable->id->range('1-20');
+$moduleTable->root->range('1-10{2}');
+$moduleTable->branch->range('0{15},1{5}');
+$moduleTable->name->range('模块1,模块2,模块3,模块4,模块5,模块6,模块7,模块8,模块9,模块10,模块11,模块12,模块13,模块14,模块15,模块16,模块17,模块18,模块19,模块20');
+$moduleTable->parent->range('0{10},1-10{10}');
+$moduleTable->path->range('`,1,`,`,2,`,`,3,`,`,4,`,`,5,`,`,6,`,`,7,`,`,8,`,`,9,`,`,10,`,`,1,1,`,`,1,2,`,`,1,3,`,`,1,4,`,`,1,5,`,`,1,6,`,`,1,7,`,`,1,8,`,`,1,9,`,`,1,10,`');
+$moduleTable->type->range('case{20}');
+$moduleTable->gen(20);
+
+// 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）
+$testcaseTest = new testcaseZenTest();
+
+// 5. 🔴 强制要求：必须包含至少5个测试步骤
+r($testcaseTest->assignModuleTreeForBrowseTest(1, '0', 1)) && p('moduleTreeAssigned,error') && e('1,~~'); // 步骤1：有产品ID和项目ID
+r($testcaseTest->assignModuleTreeForBrowseTest(0, '0', 1)) && p('moduleTreeAssigned,error') && e('1,~~'); // 步骤2：只有项目ID没有产品ID
+r($testcaseTest->assignModuleTreeForBrowseTest(1, '0', 0)) && p('moduleTreeAssigned,error') && e('1,~~'); // 步骤3：只有产品ID没有项目ID
+r($testcaseTest->assignModuleTreeForBrowseTest(0, '0', 0)) && p('moduleTreeAssigned,error') && e('1,~~'); // 步骤4：产品ID和项目ID都为0
+r($testcaseTest->assignModuleTreeForBrowseTest(2, '1', 2)) && p('moduleTreeAssigned,error') && e('1,~~'); // 步骤5：带有分支参数
\ No newline at end of file