diff --git a/backend/src/main/resources/db/migration/V41__modify_message_task_set.sql b/backend/src/main/resources/db/migration/V41__modify_message_task_set.sql
new file mode 100644
index 0000000000..3e41e45e93
--- /dev/null
+++ b/backend/src/main/resources/db/migration/V41__modify_message_task_set.sql
@@ -0,0 +1,3 @@
+alter table message_task
+    alter column create_time set default 0;
+
diff --git a/backend/src/main/resources/db/migration/V41_modify_message_task_set.sql b/backend/src/main/resources/db/migration/V41_modify_message_task_set.sql
deleted file mode 100644
index eacbd008d2..0000000000
--- a/backend/src/main/resources/db/migration/V41_modify_message_task_set.sql
+++ /dev/null
@@ -1,2 +0,0 @@
-alter table message_task
-    add create_time bigint(13) default '0' null;
\ No newline at end of file