OK, finally it's a problem associated with compiz window manager. It's not a evolution bug, please mark it invalid and close it. Thanks~
** Changed in: evolution (Ubuntu) Status: Incomplete => Invalid -- cannot open window https://bugs.launchpad.net/bugs/517501 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is a bug assignee. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs