diff --git a/tools/setting.ini b/tools/setting.ini
index b8ea75bc..5f5ef376 100644
--- a/tools/setting.ini
+++ b/tools/setting.ini
@@ -5,6 +5,7 @@ hard_sign_litte_hash= 3399|3328
 hard_sign_pss= 3506|3576|3562|3528|3588|3566|3568|3308|3326|px30|1808|3228P|1109|1126|2206|1106|1103b|1106b
 new_crypto= 3506|3576|3562|3528|3588|3566|3568|3308|3326|px30|1808|1109|1126|2206|1106|1103b|1106b
 new_idb= 3506|3576|3562|3528|3588|3566|3568|1106|1103b|1106b
+sign_algo=
 sign_flag=
 sign_soft_version=
 sign_nonce=