BT下載老是卡住或找不到種子，Vuze 能幫上什麼忙

What's new in this version:

FEATURE: Core | Added uTorrent PEX support [amc1]
FEATURE: Core | Azureus probes trackers for UDP-capabilities on first scrape/announce now and uses udp instead of http where available [The 8472]
FEATURE: Core | Added option to enforce IP bindings even when the specified interfaces are not available (useful when Azureus should not use certain network interfaces) [The 8472]
FEATURE: Core | Intervene with http seeds if progressive stall imminent [Parg]
FEATURE: Core | Message user on startup if they have installed Azureus to read-only location [Parg]
FEATURE: Core | Added dnd status to XML stats [Parg]
FEATURE: UI | Added option for "Open Containing Folder" menu action - which may integrate better with non-standard file browsers [amc1]
FEATURE: UI | Added option for "Show Torrent Menu" -- Users can now decide to see the Torrent menu in the menubar or not [knguyen]
FEATURE: UI | Fast Renaming (not moving) in the Files tab (click on name column) and Open Torrent dialog (click on dest. name column) [The 8472]
FEATURE: UI | Completed downloaders column [The 8472]
FEATURE: UI | Added start/stop to category menu [Parg]
FEATURE: UI | Added per-category speed limits [Parg]
FEATURE: UI | Added per-category option setting [Parg]
FEATURE: UI | Added multiple-torrent options setting to MyTorrents view [Parg]
FEATURE: UIv3 | New menu configuration for Vuze and Vuze Advanced UI's [knguyen]
FEATURE: UIv3 | Activity Tab [TuxPaper]
FEATURE: UIv3 | Vuze Login from client [knguyen]
FEATURE: Plug | Added Network Status plugin to perform some basic network tests [Parg]
FEATURE: Plug | Allow plugins to specify their minimum JDK requirements [Parg]

CHANGE: Core | Further memory footprint reductions; for additional tweaks see http://www.azureuswiki.com/index.php/Reduce_memory_usage [The 8472]
CHANGE: Core | Reimplemented LT extension protocol code [amc1]
CHANGE: Core | DND/Compact (aka Delete) priority now deletes all files that do not share pieces with normal/high priority files [The 8472]
CHANGE: Core | Queuing rules now don't start any further torrents if the global up/download speed limits are reached [The 8472]
- makes "don't count torrent ..." minimum speed rules more useful to dynamically regulate the queue lengths
- recovers faster from chain reactions in case of connection loss
CHANGE: Core | Made the crypto handshake a bit less predictable [The 8472]
CHANGE: Core | Added support for IPv6 compact announces (client) and udp-multiscrapes (client+server) [The 8472]
CHANGE: Core | Take note of more peer-source selections [Parg]
CHANGE: Plug | Added support for plugins which implement mainline DHT [amc1]

BUGFIX: Core | Request limiting/Priorities no longer pinch off LAN peers if seperate LAN speeds are enabled [The 8472]
BUGFIX: Core | Increase time Azureus holds open listen socket on close to reduce dual-start window [Parg]
BUGFIX: Core | Allow ~ character in tracker addresses to support I2P [Parg]
BUGFIX: Core | Determine app name correctly on OSX so that restart works for renamed apps [Parg]
BUGFIX: UI | Shells no longer use the low-res frog icon, the normal main window icon is now used instead [amc1]
BUGFIX: UI | Limiting comments in General View to 5k characters under WinXP to avoid crashes due to faulty comctl32.dll [The 8472]
BUGFIX: UI | Setting speed parameters manually now disables autospeed [The 8472]
BUGFIX: Plug | Encode spaces correctly in get-right web seed urls [Parg]