diff --git a/extend/base/admin/service/AdminUpdateServiceBase.php b/extend/base/admin/service/AdminUpdateServiceBase.php
index d0ad575..b44882f 100644
--- a/extend/base/admin/service/AdminUpdateServiceBase.php
+++ b/extend/base/admin/service/AdminUpdateServiceBase.php
@@ -55,8 +55,8 @@ class AdminUpdateServiceBase
 
         $current_version = $this->useVersion;
 
-        $current_version_dir = App::getRuntimePath() . '/update/' . $current_version;
-        $last_version_dir = App::getRuntimePath() . '/update/last';
+        $current_version_dir = App::getRuntimePath() . '/update/current';
+        $last_version_dir = App::getRuntimePath() . '/update/repo';
         $now_dir = App::getRootPath();
 
         $output->writeln('获取最新代码');
@@ -118,11 +118,12 @@ class AdminUpdateServiceBase
             $last_version_repo->checkout($last_version);
         }
 
-        $current_version_git = new Git();
-        $output->writeln('获取当前版本代码');
-        $current_version_repo = $current_version_git->cloneRepository($this->useRepo, $current_version_dir);
-        $output->writeln('切换版本' . $current_version);
-        $current_version_repo->checkout($current_version);
+        $output->writeln('复制当前版本代码');
+        $output->writeln('切换到当前版本' . $current_version);
+        $last_version_repo->checkout($current_version);
+        $this->copyDirectory($last_version_dir, $current_version_dir);
+        $output->writeln('切换回最新版本' . $last_version);
+        $last_version_repo->checkout($last_version);
 
         $output->writeln('开始比较版本差异');
 
@@ -142,6 +143,8 @@ class AdminUpdateServiceBase
             'runtime',
             'vendor',
             '.git',
+            'public/storage',
+            'public/build',
         ];
 
         // 当前版本的应该被处理所有文件
@@ -426,4 +429,36 @@ class AdminUpdateServiceBase
         $this->output->writeln('清理目录 ' . $dir);
         PathTools::removeDir($dir);
     }
+
+    /**
+     * 递归复制目录
+     * Windows 兼容，使用 PHP 原生 opendir/readdir 实现
+     */
+    protected function copyDirectory(string $src, string $dst): void
+    {
+        if (!is_dir($src)) {
+            return;
+        }
+
+        if (!is_dir($dst)) {
+            mkdir($dst, 0755, true);
+        }
+
+        $handle = opendir($src);
+        while (false !== ($file = readdir($handle))) {
+            if ($file === '.' || $file === '..') {
+                continue;
+            }
+
+            $srcPath = $src . '/' . $file;
+            $dstPath = $dst . '/' . $file;
+
+            if (is_dir($srcPath)) {
+                $this->copyDirectory($srcPath, $dstPath);
+            } else {
+                copy($srcPath, $dstPath);
+            }
+        }
+        closedir($handle);
+    }
 }