diff --git a/app/Http/Requests/Admin/StrategyRequest.php b/app/Http/Requests/Admin/StrategyRequest.php
index 5e2d8927..af32a6a1 100644
--- a/app/Http/Requests/Admin/StrategyRequest.php
+++ b/app/Http/Requests/Admin/StrategyRequest.php
@@ -5,6 +5,7 @@ namespace App\Http\Requests\Admin;
 use App\Enums\StrategyKey;
 use App\Http\Requests\FormRequest;
 use App\Models\Strategy;
+use Illuminate\Support\Collection;
 
 class StrategyRequest extends FormRequest
 {
@@ -15,6 +16,38 @@ class StrategyRequest extends FormRequest
      */
     public function rules()
     {
+        $checkUrl = function ($attribute, $value, $fail) {
+            if ($this->input('key') == StrategyKey::Local) {
+                $folders = ['i', 'fonts', 'css', 'js'];
+                $symlink = Strategy::getRootPath($value);
+                if (! $symlink) {
+                    return $fail('访问域名缺少根路径');
+                }
+                if (in_array($symlink, $folders)) {
+                    return $fail('系统保留路径');
+                }
+                if (false !== strpbrk($symlink, "\\/?%*:|\"<>")) {
+                    return $fail('根路径名称不符合规则');
+                }
+                // 修改时单独判断
+                if ($this->method() === 'PUT') {
+                    $symlinks = Strategy::query()
+                        ->where('id', '<>', $this->route('id'))
+                        ->pluck('configs')
+                        ->transform(function (Collection $configs) {
+                            return Strategy::getRootPath($configs->get('url'));
+                        })->merge($folders)->values()->toArray();
+                    if (in_array($symlink, $symlinks)) {
+                        return $fail('根路径已经存在');
+                    }
+                } else {
+                    if (realpath(public_path($symlink))) {
+                        return $fail('根路径已经存在');
+                    }
+                }
+            }
+        };
+
         return [
             'groups' => 'array',
             'name' => 'required|max:60',
@@ -30,20 +63,7 @@ class StrategyRequest extends FormRequest
                     }
                 }
             }],
-            'configs.url' => ['required', 'url', function ($attribute, $value, $fail) {
-                if ($this->input('key') == StrategyKey::Local) {
-                    $symlink = Strategy::getRootPath($value);
-                    if (! $symlink) {
-                        return $fail('访问域名缺少根路径');
-                    }
-                    if (false !== strpbrk($symlink, "\\/?%*:|\"<>")) {
-                        return $fail('根路径名称不符合规则');
-                    }
-                    if (realpath(public_path($symlink))) {
-                        return $fail('根路径已经存在');
-                    }
-                }
-            }],
+            'configs.url' => ['required', 'url', $checkUrl],
         ];
     }
 
diff --git a/app/Models/Strategy.php b/app/Models/Strategy.php
index b35c0748..cdb13835 100644
--- a/app/Models/Strategy.php
+++ b/app/Models/Strategy.php
@@ -62,7 +62,9 @@ class Strategy extends Model
             if ($strategy->key == StrategyKey::Local) {
                 $symlink = self::getRootPath($strategy->configs['url']);
                 $target = $strategy->configs['root'] ?: config('filesystems.disks.uploads.root');
-                (new Filesystem())->link($target, $symlink);
+                if (! realpath(public_path($symlink))) {
+                    (new Filesystem())->link($target, $symlink);
+                }
                 // 是否需要移除旧的符号链接
                 $oldSymlink = self::getRootPath($strategy->getOriginal('configs')['url']);
                 if ($oldSymlink != $symlink) {