diff --git a/sql/gamedb2001_n_migrate_190828_01.sql b/sql/gamedb2001_n_migrate_190828_01.sql
new file mode 100644
index 0000000..5daaa42
--- /dev/null
+++ b/sql/gamedb2001_n_migrate_190828_01.sql
@@ -0,0 +1,8 @@
+begin;
+
+DELETE FROM sign WHERE 1=1;
+UPDATE user set sign_sum=0 WHERE 1=1;
+
+insert into version (version) values(2019082801);
+
+commit;