diff --git a/src/main/resources/sql/v2.21.ddl b/src/main/resources/sql/v2.21.ddl
index 332a65c..7b9c12e 100644
--- a/src/main/resources/sql/v2.21.ddl
+++ b/src/main/resources/sql/v2.21.ddl
@@ -39,5 +39,7 @@ ALTER TABLE signals_phones_map
     ADD CONSTRAINT signals_phones_map_phone_key UNIQUE (PHONE);
 
 update signals_phone_fid_map set phone_l = phone::BIGINT where phone is not null;
-update  signals_user_packages set signal_types = '1', external_package_name = concat(substring(membercode, 0, 6), '_', package_name) where signal_types is null;
+update signals_user_packages set signal_types = '1' where signal_types is null;
+update signals_user_packages set external_package_name = concat(substring(membercode, 1, 6), '_', package_name) where membercode is not null and package_name is not null ;
+
 insert into app_version values ('2.0')
\ No newline at end of file