在环境文件中增加谷歌验证器开关

app/admin/controller/auth/Admin.php

@@ -231,6 +231,10 @@ class Admin extends Backend
         $response = $this->initializeBackend($request);
         if ($response !== null) return $response;
 
+        if (!\app\common\library\AdminTotp::isEnabled()) {
+            return $this->error(__('Google Authenticator is disabled'));
+        }
+
         if ($request->method() !== 'POST') {
             return $this->error(__('Method not allowed'), [], 0, ['statusCode' => 405]);
         }