diff --git a/db/sql/20241209.sql b/db/sql/20241209.sql
new file mode 100644
index 0000000..3096eab
--- /dev/null
+++ b/db/sql/20241209.sql
@@ -0,0 +1,2 @@
+ALTER TABLE on_links ADD check_status INTEGER DEFAULT (0) NOT NULL;
+ALTER TABLE on_links ADD last_checked_time TEXT;
\ No newline at end of file