diff --git a/app/Http/Requests/Admin/StrategyRequest.php b/app/Http/Requests/Admin/StrategyRequest.php
index 1f887279..8b542b86 100644
--- a/app/Http/Requests/Admin/StrategyRequest.php
+++ b/app/Http/Requests/Admin/StrategyRequest.php
@@ -18,7 +18,7 @@ class StrategyRequest extends FormRequest
     {
         $checkUrl = function ($attribute, $value, $fail) {
             if ($this->input('key') == StrategyKey::Local) {
-                $folders = [env('THUMBNAIL_PATH', 'thumbnails'), 'fonts', 'css', 'js'];
+                $folders = [config('app.thumbnail_path'), 'fonts', 'css', 'js'];
                 $symlink = Strategy::getRootPath($value);
                 if (! $symlink) {
                     return $fail('访问域名缺少根路径');
diff --git a/app/Models/Image.php b/app/Models/Image.php
index d252452f..194f35d6 100644
--- a/app/Models/Image.php
+++ b/app/Models/Image.php
@@ -235,7 +235,7 @@ class Image extends Model
 
     public function getThumbnailPathname(): string
     {
-        return trim(env('THUMBNAIL_PATH', 'thumbnails'), '/')."/{$this->md5}.png";
+        return trim(config('app.thumbnail_path'), '/')."/{$this->md5}.png";
     }
 
     private function generateKey($length = 6): string
diff --git a/config/app.php b/config/app.php
index e67daa24..9ada001a 100644
--- a/config/app.php
+++ b/config/app.php
@@ -194,4 +194,11 @@ return [
         // ...
     ])->toArray(),
 
+    /*
+    |--------------------------------------------------------------------------
+    | Lsky configs
+    |--------------------------------------------------------------------------
+    */
+
+    'thumbnail_path' => env('THUMBNAIL_PATH', 'thumbnails')
 ];