sql:INSERT INTO memberdownload_record set memberid = ,file_id = '125',file_name='型號簡易比較表',create_date = '2026-07-07 20:11:59'

error:You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ',file_id = '125',file_name='型號簡易比較表',create_date = '2026-07-07 20:' at line 1

on /download_file.php