Open (or wait a bit) 2.21 (or older) and press "Yes" when asked about the update to open the update page with all updating information.

v.2.22

• Added topics (mega-threads) leeching support for Burning Board <= 3.x type.
• Added setting in "Options" -> "Messages" -> "When saving messages to file add increment number at the start of file name".
• Improved "Topics" leech. You can enter URL which has topic ID (not post ID) in topic ID field and it will try to parse the ID from URL after focus is lost.
• Fixed important files saving bug.
• Fixed few small leeching problems.
• Fixed small interface issues (mostly happened with non-English characters).
• Other small improvements and fixes.

For previous versions changelog: click here

beauty , I only need option viewtopic.php?f=4&t=6160 more
hope update soon