设置默认选中代码提示的第一个选项：
File -> Settings ->Editor ->Code Completion ->Preselect the first suggestion:，将其值设为always。
【上篇】sublime Text 2取消自动检查更新
【下篇】Ckeditor: Uncaught TypeError: Cannot read property ‘keyCode’ of undefined 解决方法
【下篇】Ckeditor: Uncaught TypeError: Cannot read property ‘keyCode’ of undefined 解决方法