diff --git a/server/notification-providers/aliyun-sms.js b/server/notification-providers/aliyun-sms.js
index 11575df3..2574cd3c 100644
--- a/server/notification-providers/aliyun-sms.js
+++ b/server/notification-providers/aliyun-sms.js
@@ -92,7 +92,7 @@ class AliyunSMS extends NotificationProvider {
             let key = oa[i];
             param2[key] = param[key];
         }
-        
+
         // Escape more characters than encodeURIComponent does.
         // For generating Aliyun signature, all characters except A-Za-z0-9~-._ are encoded.
         // See https://help.aliyun.com/document_detail/315526.html