diff --git a/serve/app/Http/Controllers/Install/IndexController.php b/serve/app/Http/Controllers/Install/IndexController.php
index 36bb121..37feda8 100644
--- a/serve/app/Http/Controllers/Install/IndexController.php
+++ b/serve/app/Http/Controllers/Install/IndexController.php
@@ -120,6 +120,9 @@ class IndexController extends Controller
             }
 
             try {
+                $protocol = isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off' ? 'https' : 'http';
+                $domain = $protocol.'://'.$_SERVER['HTTP_HOST'];
+                $this->updateEnv('APP_URL', $domain);
                 $this->updateEnv('DB_HOST', $params['host']);
                 $this->updateEnv('DB_PORT', $params['port']);
                 $this->updateEnv('DB_DATABASE', $params['name']);
@@ -142,12 +145,12 @@ class IndexController extends Controller
                     'created_at' => now(),
                     'updated_at' => now(),
                 ]);
-
+                Artisan::call('storage:link');
                 Artisan::call('cache:clear');
 
             } catch (\Exception $e) {
                 return redirect('install?step='.$step - 1)
-                    ->withErrors('sql_error:'.$e->getMessage())
+                    ->withErrors('安装失败！:'.$e->getMessage())
                     ->withInput();
             }
 
diff --git a/serve/resources/views/install/step4.blade.php b/serve/resources/views/install/step4.blade.php
index 5d2cab1..d8c0074 100644
--- a/serve/resources/views/install/step4.blade.php
+++ b/serve/resources/views/install/step4.blade.php
@@ -36,7 +36,7 @@
                         <div class="success-content">
                             <div class="mt16 result">安装完成，进入管理后台</div>
                             <div class="tips">
-                                为了您站点的安全，安装完成后即可将网站根目录下的“install”文件夹删除，或者config/install.lock/目录下创建install.lock文件防止重复安装。
+                                为了您站点的安全，安装完成后即可将网站根目录下的“install”文件夹删除。
                             </div>
                             <div class="btn-group">
                                 <a class="btn" href="/" style="margin-left: 20px;">进入首页</a>