diff --git a/extend/Ca/CaOffline.php b/extend/Ca/CaOffline.php
index 05d46ab..f750821 100644
--- a/extend/Ca/CaOffline.php
+++ b/extend/Ca/CaOffline.php
@@ -30,7 +30,7 @@ class CaOffline extends Ca
      * @param string $type
      * @return mixed
      */
-    protected function getCloudCert(array $data,string $type = "Personal"): mixed
+    public function getCloudCert(array $data,string $type = "Personal"): mixed
     {
         $option = [
             'form_params' => [