diff --git a/dbm-services/mysql/db-simulation/assets/migrations/000003_init_rule.up.sql b/dbm-services/mysql/db-simulation/assets/migrations/000003_init_rule.up.sql
index 13cf31c660..e7e58057b0 100644
--- a/dbm-services/mysql/db-simulation/assets/migrations/000003_init_rule.up.sql
+++ b/dbm-services/mysql/db-simulation/assets/migrations/000003_init_rule.up.sql
@@ -1,3 +1,4 @@
+delete from tb_syntax_rules;
 INSERT INTO `tb_syntax_rules`
 VALUES (
         1,