diff --git a/api/GetPrivilegeLink.php b/api/GetPrivilegeLink.php
index 8978c42036f68078e66f03928e8390166ad5d347..38cba289ed228d8b369feed78bd7c3a7308e2426 100644
--- a/api/GetPrivilegeLink.php
+++ b/api/GetPrivilegeLink.php
@@ -44,7 +44,7 @@ class GetPrivilegeLink extends DtkClient
      */
     public function getParamsField()
     {
-        return ['goodsId','couponId','pid','channelId','rebateType','specialId','externalId','xid','leftSymbol','rightSymbol'];
+        return ['goodsId','couponId','pid','channelId','rebateType','specialId','externalId','xid','leftSymbol','rightSymbol','authId'];
     }
 
     /**