diff --git a/app/common/command/admin/stack/AdminStackMode.php b/app/common/command/admin/stack/AdminStackMode.php
deleted file mode 100644
index 0a5e361..0000000
--- a/app/common/command/admin/stack/AdminStackMode.php
+++ /dev/null
@@ -1,9 +0,0 @@
-<?php
-
-namespace app\common\command\admin\stack;
-
-use base\common\command\admin\stack\AdminStackModeBase;
-
-class AdminStackMode extends AdminStackModeBase
-{
-}
diff --git a/app/common/service/stack/StackModeService.php b/app/common/service/stack/StackModeService.php
deleted file mode 100644
index e6d2582..0000000
--- a/app/common/service/stack/StackModeService.php
+++ /dev/null
@@ -1,116 +0,0 @@
-<?php
-
-namespace app\common\service\stack;
-
-use base\common\service\stack\StackModeServiceBase;
-use RuntimeException;
-
-class StackModeService extends StackModeServiceBase
-{
-    public function getModePlan(string $mode): array
-    {
-        $mode = trim($mode);
-        if ($mode === '') {
-            throw new RuntimeException('模式不能为空');
-        }
-
-        $config = $this->loadConfig();
-        $modes = $config['modes'];
-        if (!isset($modes[$mode])) {
-            throw new RuntimeException("模式不存在：{$mode}");
-        }
-
-        $defaultMode = $config['default_mode'];
-        $managedFiles = $config['managed_files'];
-
-        $plan = [];
-        $skippedFiles = [];
-        foreach ($managedFiles as $relativePath) {
-            $modeSource = $this->resolveModeFile($mode, $relativePath);
-            if ($modeSource !== null) {
-                $plan[] = [
-                    'file' => $relativePath,
-                    'source_mode' => $mode,
-                    'source_path' => $modeSource,
-                ];
-                continue;
-            }
-
-            $defaultSource = $this->resolveModeFile($defaultMode, $relativePath);
-            if ($defaultSource !== null) {
-                $plan[] = [
-                    'file' => $relativePath,
-                    'source_mode' => $defaultMode,
-                    'source_path' => $defaultSource,
-                ];
-                continue;
-            }
-
-            // File not found in mode OR default - skip it (don't throw)
-            $skippedFiles[] = $relativePath;
-        }
-
-        return [
-            'mode' => $mode,
-            'default_mode' => $defaultMode,
-            'managed_files' => $managedFiles,
-            'plan' => $plan,
-            'skipped_files' => $skippedFiles,
-        ];
-    }
-
-    public function applyMode(string $mode, string $operator = 'system'): array
-    {
-        // Use our overridden getModePlan (skips missing files instead of throwing)
-        $result = parent::applyMode($mode, $operator);
-
-        $appliedFiles = $result['applied_files'] ?? [];
-        $backupId = $result['backup_id'] ?? '';
-
-        $config = $this->loadConfig();
-        $managedFiles = $config['managed_files'];
-
-        $deletedFiles = [];
-
-        foreach ($managedFiles as $relativePath) {
-            // Skip files already handled by parent
-            if (in_array($relativePath, $appliedFiles)) {
-                continue;
-            }
-
-            $targetPath = $this->toRootPath($relativePath);
-            if (!is_file($targetPath)) {
-                continue;
-            }
-
-            // This file was skipped by getModePlan (not in mode or default)
-            // Back it up before deleting
-            if ($backupId !== '') {
-                $backupDir = $this->joinPath($this->backupRoot, $backupId);
-                $backupFilesDir = $this->joinPath($backupDir, 'files');
-                $backupFilePath = $this->joinPath($backupFilesDir, $this->toSystemPath($relativePath));
-
-                $this->ensureDir(dirname($backupFilePath));
-                copy($targetPath, $backupFilePath);
-
-                // Update backup meta
-                $metaPath = $this->joinPath($backupDir, 'meta.json');
-                if (is_file($metaPath)) {
-                    $meta = $this->readJsonFile($metaPath);
-                    $meta['files'][] = [
-                        'file' => $relativePath,
-                        'existed' => true,
-                    ];
-                    $this->writeJsonFile($metaPath, $meta);
-                }
-
-                // Only delete if we successfully backed up
-                @unlink($targetPath);
-                $deletedFiles[] = $relativePath;
-            }
-        }
-
-        $result['deleted_files'] = $deletedFiles;
-        return $result;
-    }
-}
diff --git a/extend/base/common/command/admin/stack/AdminStackModeBase.php b/extend/base/common/command/admin/stack/AdminStackModeBase.php
deleted file mode 100644
index 4f6c3b6..0000000
--- a/extend/base/common/command/admin/stack/AdminStackModeBase.php
+++ /dev/null
@@ -1,148 +0,0 @@
-<?php
-
-namespace base\common\command\admin\stack;
-
-use app\common\console\Command;
-use app\common\service\stack\StackModeService;
-use RuntimeException;
-use think\console\Input;
-use think\console\input\Argument;
-use think\console\input\Option;
-use think\console\Output;
-
-class AdminStackModeBase extends Command
-{
-    protected function configure()
-    {
-        parent::configure();
-
-        $this->setName('admin:stack:mode')
-            ->setDescription('管理 Stack 模式：list/use/current/rollback')
-            ->addArgument('action', Argument::OPTIONAL, '操作：list|use|current|rollback', 'list')
-            ->addArgument('value', Argument::OPTIONAL, 'mode 或 backup_id')
-            ->addOption('force', 'f', Option::VALUE_NONE, '跳过确认步骤');
-    }
-
-    protected function execute(Input $input, Output $output)
-    {
-        $action = strtolower((string)$input->getArgument('action'));
-        $value = (string)$input->getArgument('value');
-        $force = (bool)$input->getOption('force');
-
-        try {
-            /** @var StackModeService $service */
-            $service = app(StackModeService::class);
-
-            switch ($action) {
-                case 'list':
-                    $this->handleList($service, $output);
-                    break;
-                case 'current':
-                    $this->handleCurrent($service, $output);
-                    break;
-                case 'use':
-                    $this->handleUse($service, $input, $output, $value, $force);
-                    break;
-                case 'rollback':
-                    $this->handleRollback($service, $input, $output, $value, $force);
-                    break;
-                default:
-                    throw new RuntimeException('不支持的 action：' . $action);
-            }
-        } catch (\Throwable $e) {
-            $output->error($e->getMessage());
-        }
-    }
-
-    protected function handleList(StackModeService $service, Output $output): void
-    {
-        $modes = $service->listModes();
-        if (empty($modes)) {
-            $output->warning('未发现可用模式');
-            return;
-        }
-
-        $output->writeln('可用模式：');
-        foreach ($modes as $item) {
-            $mode = (string)$item['mode'];
-            $desc = (string)$item['description'];
-            $authorOnly = (bool)$item['author_only'] ? 'yes' : 'no';
-            $output->writeln("- {$mode} | author_only={$authorOnly} | {$desc}");
-        }
-    }
-
-    protected function handleCurrent(StackModeService $service, Output $output): void
-    {
-        $state = $service->getCurrentState();
-        $output->writeln('当前模式：' . ((string)$state['mode'] === '' ? '未记录' : (string)$state['mode']));
-        $output->writeln('切换时间：' . ((string)$state['switched_at'] === '' ? '未记录' : (string)$state['switched_at']));
-        $output->writeln('备份ID：' . ((string)$state['backup_id'] === '' ? '未记录' : (string)$state['backup_id']));
-    }
-
-    protected function handleUse(
-        StackModeService $service,
-        Input $input,
-        Output $output,
-        string $mode,
-        bool $force
-    ): void {
-        $mode = trim($mode);
-        if ($mode === '') {
-            throw new RuntimeException('请提供 mode，例如：admin:stack:mode use base-build');
-        }
-
-        $planData = $service->getModePlan($mode);
-        $output->writeln("将切换到模式：{$mode}");
-        foreach ($planData['plan'] as $item) {
-            $file = (string)$item['file'];
-            $sourceMode = (string)$item['source_mode'];
-            $output->writeln("- {$file} <= {$sourceMode}");
-        }
-
-        $skippedFiles = $planData['skipped_files'] ?? [];
-        if (!empty($skippedFiles)) {
-            $output->warning('以下文件在该模式下不存在，将从项目根目录删除：');
-            foreach ($skippedFiles as $skipped) {
-                $output->writeln("- [删除] {$skipped}");
-            }
-        }
-
-        if (!$force && !$output->confirm($input, '确认执行覆盖切换？', true)) {
-            $output->warning('已取消');
-            return;
-        }
-
-        $result = $service->applyMode($mode, get_current_user() ?: 'cli');
-        $output->info('模式切换完成');
-        $output->writeln('mode=' . $result['mode']);
-        $output->writeln('backup_id=' . $result['backup_id']);
-
-        $deletedFiles = $result['deleted_files'] ?? [];
-        if (!empty($deletedFiles)) {
-            $output->warning('已删除文件：' . implode(', ', $deletedFiles));
-        }
-    }
-
-    protected function handleRollback(
-        StackModeService $service,
-        Input $input,
-        Output $output,
-        string $backupId,
-        bool $force
-    ): void {
-        $backupId = trim($backupId);
-        if ($backupId === '') {
-            throw new RuntimeException('请提供 backup_id，例如：admin:stack:mode rollback 20260424120000-abcd1234');
-        }
-
-        if (!$force && !$output->confirm($input, "确认回滚到备份 {$backupId}？", true)) {
-            $output->warning('已取消');
-            return;
-        }
-
-        $result = $service->rollback($backupId, get_current_user() ?: 'cli');
-        $output->info('回滚完成');
-        $output->writeln('backup_id=' . $result['backup_id']);
-        $output->writeln('restored_files=' . count($result['restored_files']));
-    }
-}
diff --git a/extend/base/common/service/stack/StackModeServiceBase.php b/extend/base/common/service/stack/StackModeServiceBase.php
deleted file mode 100644
index 57a5701..0000000
--- a/extend/base/common/service/stack/StackModeServiceBase.php
+++ /dev/null
@@ -1,371 +0,0 @@
-<?php
-
-namespace base\common\service\stack;
-
-use RuntimeException;
-use think\facade\App;
-
-class StackModeServiceBase
-{
-    protected string $rootPath;
-    protected string $stackRoot;
-    protected string $stackConfigPath;
-    protected string $backupRoot;
-    protected string $stateFile;
-
-    public function __construct()
-    {
-        $this->rootPath = rtrim(App::getRootPath(), "\\/ \t\n\r\0\x0B");
-        $this->stackRoot = $this->joinPath($this->rootPath, 'source', 'stack');
-        $this->stackConfigPath = $this->joinPath($this->stackRoot, 'stack.json');
-        $this->backupRoot = $this->joinPath($this->rootPath, 'runtime', 'agents', 'stack-backup');
-        $this->stateFile = $this->joinPath($this->rootPath, 'runtime', 'agents', 'stack-current.json');
-    }
-
-    public function listModes(): array
-    {
-        $config = $this->loadConfig();
-        $modes = [];
-        foreach ($config['modes'] as $mode => $meta) {
-            $modes[] = [
-                'mode' => $mode,
-                'description' => (string)($meta['description'] ?? ''),
-                'author_only' => (bool)($meta['author_only'] ?? false),
-            ];
-        }
-
-        return $modes;
-    }
-
-    public function getCurrentState(): array
-    {
-        if (!is_file($this->stateFile)) {
-            return [
-                'mode' => null,
-                'switched_at' => null,
-                'backup_id' => null,
-            ];
-        }
-
-        $data = $this->readJsonFile($this->stateFile);
-        return [
-            'mode' => (string)($data['mode'] ?? ''),
-            'switched_at' => (string)($data['switched_at'] ?? ''),
-            'backup_id' => (string)($data['backup_id'] ?? ''),
-        ];
-    }
-
-    public function getModePlan(string $mode): array
-    {
-        $mode = trim($mode);
-        if ($mode === '') {
-            throw new RuntimeException('模式不能为空');
-        }
-
-        $config = $this->loadConfig();
-        $modes = $config['modes'];
-        if (!isset($modes[$mode])) {
-            throw new RuntimeException("模式不存在：{$mode}");
-        }
-
-        $defaultMode = $config['default_mode'];
-        $managedFiles = $config['managed_files'];
-
-        $plan = [];
-        foreach ($managedFiles as $relativePath) {
-            $modeSource = $this->resolveModeFile($mode, $relativePath);
-            if ($modeSource !== null) {
-                $plan[] = [
-                    'file' => $relativePath,
-                    'source_mode' => $mode,
-                    'source_path' => $modeSource,
-                ];
-                continue;
-            }
-
-            $defaultSource = $this->resolveModeFile($defaultMode, $relativePath);
-            if ($defaultSource === null) {
-                throw new RuntimeException("默认模式缺少文件：{$relativePath}");
-            }
-
-            $plan[] = [
-                'file' => $relativePath,
-                'source_mode' => $defaultMode,
-                'source_path' => $defaultSource,
-            ];
-        }
-
-        return [
-            'mode' => $mode,
-            'default_mode' => $defaultMode,
-            'managed_files' => $managedFiles,
-            'plan' => $plan,
-        ];
-    }
-
-    public function applyMode(string $mode, string $operator = 'system'): array
-    {
-        $planData = $this->getModePlan($mode);
-        $plan = $planData['plan'];
-
-        $this->ensureDir($this->backupRoot);
-        $backupId = date('YmdHis') . '-' . substr(md5((string)microtime(true)), 0, 8);
-        $backupDir = $this->joinPath($this->backupRoot, $backupId);
-        $backupFilesDir = $this->joinPath($backupDir, 'files');
-        $this->ensureDir($backupFilesDir);
-
-        $currentState = $this->getCurrentState();
-        $filesMeta = [];
-
-        foreach ($plan as $item) {
-            $relativePath = $item['file'];
-            $targetPath = $this->toRootPath($relativePath);
-            $backupFilePath = $this->joinPath($backupFilesDir, $this->toSystemPath($relativePath));
-
-            $exists = is_file($targetPath);
-            if ($exists) {
-                $this->ensureDir(dirname($backupFilePath));
-                $content = file_get_contents($targetPath);
-                if ($content === false) {
-                    throw new RuntimeException("读取目标文件失败：{$relativePath}");
-                }
-                file_put_contents($backupFilePath, $content);
-            }
-
-            $filesMeta[] = [
-                'file' => $relativePath,
-                'existed' => $exists,
-            ];
-        }
-
-        foreach ($plan as $item) {
-            $relativePath = $item['file'];
-            $targetPath = $this->toRootPath($relativePath);
-            $sourcePath = $item['source_path'];
-
-            $content = file_get_contents($sourcePath);
-            if ($content === false) {
-                throw new RuntimeException("读取模式文件失败：{$relativePath}");
-            }
-
-            $this->ensureDir(dirname($targetPath));
-            file_put_contents($targetPath, $content);
-        }
-
-        $meta = [
-            'backup_id' => $backupId,
-            'mode' => $mode,
-            'operator' => $operator,
-            'created_at' => date('c'),
-            'files' => $filesMeta,
-            'prev_state' => $currentState,
-        ];
-        $this->writeJsonFile($this->joinPath($backupDir, 'meta.json'), $meta);
-
-        $newState = [
-            'mode' => $mode,
-            'switched_at' => date('c'),
-            'backup_id' => $backupId,
-            'managed_files' => array_column($plan, 'file'),
-        ];
-        $this->writeJsonFile($this->stateFile, $newState);
-
-        return [
-            'mode' => $mode,
-            'backup_id' => $backupId,
-            'applied_files' => array_column($plan, 'file'),
-        ];
-    }
-
-    public function rollback(string $backupId, string $operator = 'system'): array
-    {
-        $backupId = trim($backupId);
-        if ($backupId === '') {
-            throw new RuntimeException('backup_id 不能为空');
-        }
-
-        $backupDir = $this->joinPath($this->backupRoot, $backupId);
-        $metaPath = $this->joinPath($backupDir, 'meta.json');
-        if (!is_file($metaPath)) {
-            throw new RuntimeException("备份不存在：{$backupId}");
-        }
-
-        $meta = $this->readJsonFile($metaPath);
-        $files = $meta['files'] ?? [];
-        if (!is_array($files)) {
-            throw new RuntimeException("备份元数据损坏：{$backupId}");
-        }
-
-        $backupFilesDir = $this->joinPath($backupDir, 'files');
-        foreach ($files as $item) {
-            $relativePath = (string)($item['file'] ?? '');
-            if ($relativePath === '') {
-                continue;
-            }
-            $relativePath = $this->normalizeRelativePath($relativePath);
-            $targetPath = $this->toRootPath($relativePath);
-            $existed = (bool)($item['existed'] ?? false);
-            $backupFilePath = $this->joinPath($backupFilesDir, $this->toSystemPath($relativePath));
-
-            if ($existed) {
-                if (!is_file($backupFilePath)) {
-                    throw new RuntimeException("备份文件缺失：{$relativePath}");
-                }
-                $content = file_get_contents($backupFilePath);
-                if ($content === false) {
-                    throw new RuntimeException("读取备份文件失败：{$relativePath}");
-                }
-                $this->ensureDir(dirname($targetPath));
-                file_put_contents($targetPath, $content);
-                continue;
-            }
-
-            if (is_file($targetPath)) {
-                @unlink($targetPath);
-            }
-        }
-
-        $currentState = $this->getCurrentState();
-        $restoreState = $meta['prev_state'] ?? [];
-        $this->writeJsonFile($this->stateFile, [
-            'mode' => (string)($restoreState['mode'] ?? ''),
-            'switched_at' => date('c'),
-            'backup_id' => $backupId,
-            'rolled_back_by' => $operator,
-            'rolled_back_from' => (string)($currentState['mode'] ?? ''),
-        ]);
-
-        return [
-            'backup_id' => $backupId,
-            'restored_files' => array_map(static function ($item) {
-                return (string)($item['file'] ?? '');
-            }, $files),
-        ];
-    }
-
-    protected function loadConfig(): array
-    {
-        if (!is_file($this->stackConfigPath)) {
-            throw new RuntimeException('缺少全局清单：source/stack/stack.json');
-        }
-
-        $config = $this->readJsonFile($this->stackConfigPath);
-
-        $defaultMode = (string)($config['default_mode'] ?? '');
-        if ($defaultMode === '') {
-            throw new RuntimeException('stack.json 缺少 default_mode');
-        }
-
-        $managedFilesRaw = $config['managed_files'] ?? [];
-        if (!is_array($managedFilesRaw) || empty($managedFilesRaw)) {
-            throw new RuntimeException('stack.json 缺少 managed_files');
-        }
-
-        $managedFiles = [];
-        foreach ($managedFilesRaw as $item) {
-            $managedFiles[] = $this->normalizeRelativePath((string)$item);
-        }
-        $managedFiles = array_values(array_unique($managedFiles));
-
-        $modes = $config['modes'] ?? [];
-        if (!is_array($modes) || empty($modes)) {
-            throw new RuntimeException('stack.json 缺少 modes');
-        }
-
-        if (!isset($modes[$defaultMode])) {
-            throw new RuntimeException('default_mode 未在 modes 中声明');
-        }
-
-        return [
-            'default_mode' => $defaultMode,
-            'managed_files' => $managedFiles,
-            'modes' => $modes,
-        ];
-    }
-
-    protected function resolveModeFile(string $mode, string $relativePath): ?string
-    {
-        $filePath = $this->joinPath($this->stackRoot, $mode, $this->toSystemPath($relativePath));
-        if (is_file($filePath)) {
-            return $filePath;
-        }
-        return null;
-    }
-
-    protected function toRootPath(string $relativePath): string
-    {
-        return $this->joinPath($this->rootPath, $this->toSystemPath($relativePath));
-    }
-
-    protected function normalizeRelativePath(string $path): string
-    {
-        $path = str_replace('\\', '/', trim($path));
-        $path = preg_replace('#/+#', '/', $path);
-        $path = trim((string)$path, '/');
-        if ($path === '') {
-            throw new RuntimeException('检测到空路径');
-        }
-        if (strpos($path, '..') !== false) {
-            throw new RuntimeException("不允许越级路径：{$path}");
-        }
-        if (preg_match('/^[A-Za-z]:/', $path)) {
-            throw new RuntimeException("不允许绝对路径：{$path}");
-        }
-        return $path;
-    }
-
-    protected function toSystemPath(string $path): string
-    {
-        return str_replace('/', DIRECTORY_SEPARATOR, $path);
-    }
-
-    protected function joinPath(string ...$parts): string
-    {
-        $result = '';
-        foreach ($parts as $part) {
-            $part = trim($part);
-            if ($part === '') {
-                continue;
-            }
-            if ($result === '') {
-                $result = rtrim($part, "\\/");
-                continue;
-            }
-            $result .= DIRECTORY_SEPARATOR . trim($part, "\\/");
-        }
-        return $result;
-    }
-
-    protected function ensureDir(string $dir): void
-    {
-        if ($dir === '' || is_dir($dir)) {
-            return;
-        }
-        if (!@mkdir($dir, 0777, true) && !is_dir($dir)) {
-            throw new RuntimeException("创建目录失败：{$dir}");
-        }
-    }
-
-    protected function readJsonFile(string $file): array
-    {
-        $raw = file_get_contents($file);
-        if ($raw === false) {
-            throw new RuntimeException("读取文件失败：{$file}");
-        }
-        $data = json_decode($raw, true);
-        if (!is_array($data)) {
-            throw new RuntimeException("JSON 解析失败：{$file}");
-        }
-        return $data;
-    }
-
-    protected function writeJsonFile(string $file, array $data): void
-    {
-        $this->ensureDir(dirname($file));
-        $json = json_encode($data, JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT);
-        if ($json === false) {
-            throw new RuntimeException("JSON 编码失败：{$file}");
-        }
-        file_put_contents($file, $json . PHP_EOL);
-    }
-}
diff --git a/extend/think/UlthonAdminService.php b/extend/think/UlthonAdminService.php
index c365825..e9a7734 100644
--- a/extend/think/UlthonAdminService.php
+++ b/extend/think/UlthonAdminService.php
@@ -25,7 +25,6 @@ use app\common\command\admin\role\AdminRoleList;
 use app\common\command\admin\role\AdminRolePermissionAssign;
 use app\common\command\admin\role\AdminRolePermissionList;
 use app\common\command\admin\role\AdminRolePermissionRevoke;
-use app\common\command\admin\stack\AdminStackMode;
 use app\common\command\admin\timer\TimerLogClean;
 use app\common\command\admin\user\AdminUserRoleAssign;
 use app\common\command\admin\user\AdminUserRoleList;
@@ -115,7 +114,6 @@ class UlthonAdminService extends Service
             AdminRolePermissionAssign::class,
             AdminRolePermissionRevoke::class,
             AdminRolePermissionList::class,
-            AdminStackMode::class,
             TimerLogClean::class,
             AdminUserRoleAssign::class,
             AdminUserRoleRevoke::class,