diff --git a/healthlink-his-server/healthlink-his-application/src/main/resources/db/migration/V82__fix_delete_flag.sql b/healthlink-his-server/healthlink-his-application/src/main/resources/db/migration/V82__fix_delete_flag.sql
index d8c1f9cb7..31c7151a3 100644
--- a/healthlink-his-server/healthlink-his-application/src/main/resources/db/migration/V82__fix_delete_flag.sql
+++ b/healthlink-his-server/healthlink-his-application/src/main/resources/db/migration/V82__fix_delete_flag.sql
@@ -98,15 +98,24 @@ UPDATE esb_code_mapping SET delete_flag = '0' WHERE delete_flag IS NULL;
 ALTER TABLE esb_code_mapping ALTER COLUMN delete_flag SET DEFAULT '0';
 ALTER TABLE esb_code_mapping ALTER COLUMN delete_flag SET NOT NULL;
 
+DO $$ BEGIN
 ALTER TABLE cdss_rule ALTER COLUMN delete_flag TYPE VARCHAR(1);
 UPDATE cdss_rule SET delete_flag = '0' WHERE delete_flag IS NULL;
 ALTER TABLE cdss_rule ALTER COLUMN delete_flag SET DEFAULT '0';
 ALTER TABLE cdss_rule ALTER COLUMN delete_flag SET NOT NULL;
+EXCEPTION WHEN undefined_table THEN NULL;
+END $$;
 
+DO $$ BEGIN
 ALTER TABLE cdss_alert ALTER COLUMN delete_flag TYPE VARCHAR(1);
 UPDATE cdss_alert SET delete_flag = '0' WHERE delete_flag IS NULL;
 ALTER TABLE cdss_alert ALTER COLUMN delete_flag SET DEFAULT '0';
 ALTER TABLE cdss_alert ALTER COLUMN delete_flag SET NOT NULL;
+EXCEPTION WHEN undefined_table THEN NULL;
+END $$;
 
+DO $$ BEGIN
 DROP INDEX IF EXISTS idx_cdss_rule_code;
 CREATE UNIQUE INDEX idx_cdss_rule_code ON cdss_rule(rule_code) WHERE delete_flag = '0';
+EXCEPTION WHEN undefined_table THEN NULL;
+END $$;