up

app/Http/Controllers/admin/Config.php

@@ -48,9 +48,9 @@ class Config extends Controller
         // try {
             $params = request()->all();
 
-// |alpha_dash|unique:config,field
+// 
             $validator = [
-                'field' => 'required|string|max:50',
+                'field' => 'required|string|max:50|alpha_dash|unique:config,field',
                 'val' => 'nullable|string',
                 'remark' => 'required|nullable|string',
             ];