diff --git a/app/Http/Controllers/Admin/SettingController.php b/app/Http/Controllers/Admin/SettingController.php
index 25ff35a6..b674af36 100644
--- a/app/Http/Controllers/Admin/SettingController.php
+++ b/app/Http/Controllers/Admin/SettingController.php
@@ -45,12 +45,17 @@ class SettingController extends Controller
     {
         $version = Utils::config(ConfigKey::AppVersion);
         $service = new UpgradeService($version);
-        $data = [
-            'is_update' => $service->check(),
-        ];
-        if ($data['is_update']) {
-            $data['version'] = $service->getVersions()->first();
+        try {
+            $data = [
+                'is_update' => $service->check(),
+            ];
+            if ($data['is_update']) {
+                $data['version'] = $service->getVersions()->first();
+            }
+        } catch (\Exception $e) {
+            return $this->error($e->getMessage());
         }
+
         return $this->success('success', $data);
     }
 
diff --git a/app/Services/UpgradeService.php b/app/Services/UpgradeService.php
index 55ee7fb8..95cc3cd2 100644
--- a/app/Services/UpgradeService.php
+++ b/app/Services/UpgradeService.php
@@ -4,6 +4,8 @@ namespace App\Services;
 
 use App\Enums\ConfigKey;
 use App\Models\Config;
+use App\Utils;
+use Illuminate\Http\Client\PendingRequest;
 use Illuminate\Support\Collection;
 use Illuminate\Support\Facades\Artisan;
 use Illuminate\Support\Facades\Cache;
@@ -15,7 +17,7 @@ use League\Flysystem\Local\LocalFilesystemAdapter;
 
 class UpgradeService
 {
-    const ApiUrl = 'https://api.lsky.pro';
+    const ApiUrl = 'https://api.lsky.pro/v1';
 
     /** @var array|array[] 所有版本 */
     protected array $versions = [];
@@ -28,8 +30,11 @@ class UpgradeService
 
     protected Filesystem $filesystem;
 
+    protected PendingRequest $http;
+
     public function __construct(protected string $version)
     {
+        $this->http = Http::baseUrl(self::ApiUrl)->withOptions(['timeout' => 30])->timeout(30);
         $this->filesystem = new Filesystem(new LocalFilesystemAdapter(base_path()));
     }
 
@@ -37,38 +42,27 @@ class UpgradeService
      * 是否需要更新
      *
      * @return bool
+     * @throws \Exception
      */
     public function check(): bool
     {
         return version_compare($this->version, $this->getVersions()->first()['name']) === -1;
     }
 
+    /**
+     * @throws \Exception
+     */
     public function getVersions(): Collection
     {
         if (! $this->versions) {
-            // TODO 获取所有版本
-            $this->versions = [
-                [
-                    'icon' => 'https://docs.lsky.pro/logo.png',
-                    'name' => 'V 2.0.1',
-                    'size' => '33.5 MB',
-                    'md5' => '12',
-                    'changelog' => (new \Parsedown())->parse('### Added
-- 一键复制全部链接 ([#167](https://github.com/wisp-x/lsky-pro/issues/167))
-
-### Changed
-- 将所有静态资源放置本地
-- 接口增加刷新 token 属性
-- 个人中心、后台显示用户注册时间 ([#263](https://github.com/wisp-x/lsky-pro/pull/263))
-
-FAQ:
-- 为了保证可用性，此次更新主要是为了静态文件放置本地，不再使用第三方静态资源托管服务。
-- 如没有特殊情况，这次更新为 1.x 版本最后一个小版本。最新版本动态请[戳我](https://github.com/wisp-x/lsky-pro/projects/1)
-
-'),
-                    'pushed_at' => '2022-02-26 12:21',
-                ],
-            ];
+            $response = $this->http->timeout(30)->get('/versions');
+            if (! $response->successful()) {
+                throw new \Exception('无法请求升级服务器');
+            }
+            $this->versions = $response->json() ?: [];
+            foreach ($this->versions as &$version) {
+                $version['changelog'] = (new \Parsedown())->text($version['changelog']);
+            }
         }
         return collect($this->versions);
     }
@@ -87,44 +81,37 @@ FAQ:
             file_put_contents(base_path($this->lock), '');
             $this->setProgress('准备升级...');
 
-            // TODO 获取差异信息
-            $diff = [
-                'server_url' => 'https://raw.githubusercontent.com/wisp-x/lsky-pro/dev',
-                'files' => [
-                    [
-                        'path' => '.env.example',
-                        'md5' => 'c931d81183b69204496923f2fbe3dfd5',
-                        'action' => 'copied', // in added, deleted, copied
-                    ],
-                ],
-            ];
+            // 获取差异信息
+            $response = $this->http->timeout(30)->get('/diff/'.urlencode(Utils::config(ConfigKey::AppVersion)));
+            if (! $response->successful()) {
+                throw new \Exception('无法请求升级服务器');
+            }
+            $diff = $response->json();
+
             $this->setProgress('下载补丁包...');
-            $timeout = 30;
             foreach ($diff['files'] as $file) {
                 if ($file['action'] === 'deleted') continue;
-                $response = Http::withOptions([
-                    'timeout' => $timeout,
-                ])->timeout($timeout)->get($diff['server_url'].'/'.$file['path']);
+                $response = Http::get($diff['server_url'].'/'.$file['pathname']);
                 if (! $response->successful()) {
-                    throw new \Exception("补丁文件 {$file['path']} 下载失败。");
+                    throw new \Exception("补丁文件 {$file['pathname']} 下载失败。");
                 }
-                $this->filesystem->write($this->temp.'/'.$file['path'], $response->body());
+                $this->filesystem->write($this->temp.'/'.$file['pathname'], $response->body());
                 // 校验文件
-                if ($file['md5'] !== md5_file(base_path($this->temp).'/'.$file['path'])) {
-                    throw new \Exception("补丁文件 {$file['path']} 校验失败。");
+                if ($file['md5'] !== md5_file(base_path($this->temp).'/'.$file['pathname'])) {
+                    throw new \Exception("补丁文件 {$file['pathname']} 校验失败。");
                 }
             }
             $this->setProgress('执行升级...');
             foreach ($diff['files'] as $file) {
                 match ($file['action']) {
-                    'added', 'copied' => $this->filesystem->copy($this->temp.'/'.$file['path'], $file['path']),
-                    'deleted' => $this->filesystem->delete($file['path']),
+                    'added', 'copied' => $this->filesystem->copy($this->temp.'/'.$file['pathname'], $file['pathname']),
+                    'deleted' => $this->filesystem->delete($file['pathname']),
                 };
             }
             $this->setProgress('清除缓存...');
             // 更新版本号
             $version = $this->getVersions()->first()['name'];
-            //Config::query()->where('name', ConfigKey::AppVersion)->update(['value' => $version]);
+            Config::query()->where('name', ConfigKey::AppVersion)->update(['value' => $version]);
             // 执行数据库迁移
             Artisan::call('migrate');
             // 清除配置缓存