diff --git a/app/Http/Controllers/Admin/UserController.php b/app/Http/Controllers/Admin/UserController.php
index 2fbbb74..3370f4d 100644
--- a/app/Http/Controllers/Admin/UserController.php
+++ b/app/Http/Controllers/Admin/UserController.php
@@ -27,15 +27,19 @@ public function index(Request $request): View
         $users = new User();
 
         if ($request->filled('id')) {
-            $users = $users->where('id', $request->id);
+            $users = $users->where('id', $request->input('id'));
         }
 
         if ($request->filled('name')) {
-            $users = $users->where('name', 'like', '%' . $request->name . '%');
+            $users = $users->where('name', 'like', '%' . $request->input('name') . '%');
         }
 
         if ($request->filled('email')) {
-            $users = $users->where('email', 'like', '%' . $request->email . '%');
+            $users = $users->where('email', 'like', '%' . $request->input('email') . '%');
+        }
+
+        if ($request->has('banned_at')) {
+            $users = $users->whereNotNull('banned_at');
         }
 
         $users = $users->with('user_group')->paginate(50)->withQueryString();
diff --git a/database/migrations/2023_01_04_192849_add_index_to_users_table.php b/database/migrations/2023_01_04_192849_add_index_to_users_table.php
new file mode 100644
index 0000000..02e6b7c
--- /dev/null
+++ b/database/migrations/2023_01_04_192849_add_index_to_users_table.php
@@ -0,0 +1,34 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up(): void
+    {
+        Schema::table('users', function (Blueprint $table) {
+            $table->string('name')->index()->change();
+            $table->dateTime('banned_at')->index()->change();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down(): void
+    {
+        Schema::table('users', function (Blueprint $table) {
+            $table->dropIndex('users_name_index');
+            $table->dropIndex('users_banned_at_index');
+        });
+    }
+};