首先打开preferences----settings-user
里面添加如下内容就可以禁止自动检测更新并设置tab键缩进4个空格的距离
// Settings in here override those in "Default/Preferences.sublime-settings",
// and are overridden in turn by file type specific settings.
{
"update_check": false,
"tab_size": 4,
"translate_tabs_to_spaces": true,
}原文：http://wangzhenyu.blog.51cto.com/2996939/1663166