diff --git a/sql/relationdb_n_migrate_201120_01.sql b/sql/relationdb_n_migrate_201120_01.sql
new file mode 100644
index 0000000..8f88941
--- /dev/null
+++ b/sql/relationdb_n_migrate_201120_01.sql
@@ -0,0 +1,7 @@
+start transaction;
+
+update `user` SET channel=substring(account_id, 1, 4),gameid=substring(account_id, 6, 4);
+
+insert into version (version) values(2020112001);
+
+commit;