diff --git a/module/story/test/model/getdefaultshowgrades.exp b/module/story/test/model/getdefaultshowgrades.exp
new file mode 100644
index 0000000000..4081095c77
--- /dev/null
+++ b/module/story/test/model/getdefaultshowgrades.exp
@@ -0,0 +1,7 @@
+story,requirement,
+story,requirement,epic,feature,
+0
+0
+1,2,3,
+,valid_value,0,,
+level1_item1,level1_item2,level2_item1,level2_item2,level2_item3,level3_item1,
diff --git a/module/story/test/model/getdefaultshowgrades.php b/module/story/test/model/getdefaultshowgrades.php
index 57f5b1a261..9d3d7e29cf 100755
--- a/module/story/test/model/getdefaultshowgrades.php
+++ b/module/story/test/model/getdefaultshowgrades.php
@@ -7,27 +7,23 @@ title=测试 storyModel::getDefaultShowGrades();
 timeout=0
 cid=0
 
-- 步骤3：边界值测试空数组 @
+- 执行storyTest模块的getDefaultShowGradesTest方法，参数是array  @
 
 */
 
-// 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/story.unittest.class.php';
 
-// 2. 用户登录（选择合适角色）
 su('admin');
 
-// 3. 创建测试实例（变量名与模块名一致）
 $storyTest = new storyTest();
 
-// 4. 强制要求：必须包含至少5个测试步骤
 r($storyTest->getDefaultShowGradesTest(array(
     array('items' => array(
         array('value' => 'story'),
         array('value' => 'requirement')
     ))
-))) && p() && e('story,requirement,'); // 步骤1：正常情况测试单级菜单
+))) && p() && e('story,requirement,');
 
 r($storyTest->getDefaultShowGradesTest(array(
     array('items' => array(
@@ -38,13 +34,13 @@ r($storyTest->getDefaultShowGradesTest(array(
         array('value' => 'epic'),
         array('value' => 'feature')
     ))
-))) && p() && e('story,requirement,epic,feature,'); // 步骤2：正常情况测试多级菜单
+))) && p() && e('story,requirement,epic,feature,');
 
-r($storyTest->getDefaultShowGradesTest(array())) && p() && e(''); // 步骤3：边界值测试空数组
+r($storyTest->getDefaultShowGradesTest(array())) && p() && e('');
 
 r($storyTest->getDefaultShowGradesTest(array(
     array('items' => array())
-))) && p() && e(''); // 步骤4：边界值测试空items数组
+))) && p() && e('');
 
 r($storyTest->getDefaultShowGradesTest(array(
     array('items' => array(
@@ -52,7 +48,7 @@ r($storyTest->getDefaultShowGradesTest(array(
         array('value' => 2),
         array('value' => 3)
     ))
-))) && p() && e('1,2,3,'); // 步骤5：测试包含数字值的菜单
+))) && p() && e('1,2,3,');
 
 r($storyTest->getDefaultShowGradesTest(array(
     array('items' => array(
@@ -61,7 +57,7 @@ r($storyTest->getDefaultShowGradesTest(array(
         array('value' => '0'),
         array('value' => null)
     ))
-))) && p() && e(',valid_value,0,,'); // 步骤6：测试包含空字符串和null value的菜单
+))) && p() && e(',valid_value,0,,');
 
 r($storyTest->getDefaultShowGradesTest(array(
     array('items' => array(
@@ -76,4 +72,4 @@ r($storyTest->getDefaultShowGradesTest(array(
     array('items' => array(
         array('value' => 'level3_item1')
     ))
-))) && p() && e('level1_item1,level1_item2,level2_item1,level2_item2,level2_item3,level3_item1,'); // 步骤7：测试复杂多级嵌套菜单
\ No newline at end of file
+))) && p() && e('level1_item1,level1_item2,level2_item1,level2_item2,level2_item3,level3_item1,');
\ No newline at end of file