1、解压缩
2、运行Torchlight 2 v1.21.exe安装升级补丁
3、运行游戏

Patch 1.21.2.1
Released January 14, 2013

Stability
Fix for potential Steamworks related crash.
Gameplay
Fix for a desynchronization error which can occur in 3+ player multiplayer games in very specific timing circumstances.
Fix for a rare issue where the effects on a merchants items (or items left on the ground) can be wiped if a player takes ownership of a level while the original owner is departing