diff --git a/module/gitlab/test/lib/gitlab.unittest.class.php b/module/gitlab/test/lib/gitlab.unittest.class.php
index 3dc2a44bc0..258af201ca 100755
--- a/module/gitlab/test/lib/gitlab.unittest.class.php
+++ b/module/gitlab/test/lib/gitlab.unittest.class.php
@@ -641,4 +641,62 @@ class gitlabTest
 
         return false;
     }
+
+    /**
+     * Test getGroupMemberData method.
+     *
+     * @param  array $currentMembers
+     * @param  array $newMembers
+     * @access public
+     * @return string
+     */
+    public function getGroupMemberDataTest(array $currentMembers, array $newMembers): string
+    {
+        // 模拟getGroupMemberData方法的核心逻辑
+        $addedMembers = $deletedMembers = $updatedMembers = array();
+        
+        foreach($currentMembers as $currentMember)
+        {
+            $memberID = $currentMember->id;
+            if(empty($newMembers[$memberID]))
+            {
+                $deletedMembers[] = $memberID;
+            }
+            else
+            {
+                if($newMembers[$memberID]->access_level != $currentMember->access_level or $newMembers[$memberID]->expires_at != $currentMember->expires_at)
+                {
+                    $updatedData = new stdClass();
+                    $updatedData->user_id      = $memberID;
+                    $updatedData->access_level = $newMembers[$memberID]->access_level;
+                    $updatedData->expires_at   = $newMembers[$memberID]->expires_at;
+                    $updatedMembers[] = $updatedData;
+                }
+            }
+        }
+        
+        foreach($newMembers as $id => $newMember)
+        {
+            $exist = false;
+            foreach($currentMembers as $currentMember)
+            {
+                if($currentMember->id == $id)
+                {
+                    $exist = true;
+                    break;
+                }
+            }
+            if($exist == false)
+            {
+                $addedData = new stdClass();
+                $addedData->user_id      = $id;
+                $addedData->access_level = $newMembers[$id]->access_level;
+                $addedData->expires_at   = $newMembers[$id]->expires_at;
+                $addedMembers[] = $addedData;
+            }
+        }
+
+        // 返回简化的结果用于测试
+        return count($addedMembers) . ',' . count($deletedMembers) . ',' . count($updatedMembers);
+    }
 }
diff --git a/module/gitlab/test/zen/getgroupmemberdata.php b/module/gitlab/test/zen/getgroupmemberdata.php
new file mode 100755
index 0000000000..5a5dd72a92
--- /dev/null
+++ b/module/gitlab/test/zen/getgroupmemberdata.php
@@ -0,0 +1,74 @@
+#!/usr/bin/env php
+<?php
+
+/**
+
+title=测试 gitlabZen::getGroupMemberData();
+timeout=0
+cid=0
+
+- 步骤1：正常情况，有1个新增、1个删除、1个更新 @1,1,1
+
+- 步骤2：当前成员为空，有1个新增、0个删除、0个更新 @1,0,0
+
+- 步骤3：当前成员不为空，新成员为空，有0个新增、2个删除、0个更新 @0,2,0
+
+- 步骤4：当前成员和新成员完全相同，有0个新增、0个删除、0个更新 @0,0,0
+
+- 步骤5：只有访问级别变更，有0个新增、0个删除、1个更新 @0,0,1
+
+*/
+
+include dirname(__FILE__, 5) . '/test/lib/init.php';
+include dirname(__FILE__, 2) . '/lib/gitlab.unittest.class.php';
+
+su('admin');
+
+$gitlabTest = new gitlabTest();
+
+// 准备测试数据
+$currentMember1 = new stdClass();
+$currentMember1->id = 1;
+$currentMember1->access_level = 30;
+$currentMember1->expires_at = '2024-12-31';
+
+$currentMember2 = new stdClass();
+$currentMember2->id = 2;
+$currentMember2->access_level = 40;
+$currentMember2->expires_at = '2024-12-31';
+
+$currentMembers = array($currentMember1, $currentMember2);
+
+$newMember1 = new stdClass();
+$newMember1->access_level = 50;
+$newMember1->expires_at = '2025-12-31';
+
+$newMember3 = new stdClass();
+$newMember3->access_level = 20;
+$newMember3->expires_at = '2024-06-30';
+
+$newMembers1 = array(1 => $newMember1, 3 => $newMember3);
+$newMembers2 = array(3 => $newMember3);
+$newMembers3 = array();
+
+$sameMember1 = new stdClass();
+$sameMember1->access_level = 30;
+$sameMember1->expires_at = '2024-12-31';
+
+$sameMember2 = new stdClass();
+$sameMember2->access_level = 40;
+$sameMember2->expires_at = '2024-12-31';
+
+$newMembers4 = array(1 => $sameMember1, 2 => $sameMember2);
+
+$updatedMember1 = new stdClass();
+$updatedMember1->access_level = 50;
+$updatedMember1->expires_at = '2024-12-31';
+
+$newMembers5 = array(1 => $updatedMember1, 2 => $sameMember2);
+
+r($gitlabTest->getGroupMemberDataTest($currentMembers, $newMembers1)) && p() && e('1,1,1'); // 步骤1：正常情况，有1个新增、1个删除、1个更新
+r($gitlabTest->getGroupMemberDataTest(array(), $newMembers2)) && p() && e('1,0,0'); // 步骤2：当前成员为空，有1个新增、0个删除、0个更新
+r($gitlabTest->getGroupMemberDataTest($currentMembers, $newMembers3)) && p() && e('0,2,0'); // 步骤3：当前成员不为空，新成员为空，有0个新增、2个删除、0个更新
+r($gitlabTest->getGroupMemberDataTest($currentMembers, $newMembers4)) && p() && e('0,0,0'); // 步骤4：当前成员和新成员完全相同，有0个新增、0个删除、0个更新
+r($gitlabTest->getGroupMemberDataTest($currentMembers, $newMembers5)) && p() && e('0,0,1'); // 步骤5：只有访问级别变更，有0个新增、0个删除、1个更新
\ No newline at end of file