1,采用数据库记录用户信息，防止非法用户登陆

2,可以编辑经过压缩的、加密的等类型AC数据库（SQL数据库我没试，你自己试吧）

3,自动对数据库进行排序、整理、分类，并可中英文显示

4,带有疑问提交和记录，给自己搞不清楚时所用（有点像书签哦）

5,你可以随意的进行增加、修改、删除记录-1, the use of　records the user information, to prevent unauthorized users login

2, you can edit compressed, encrypted and other types of AC　(SQL　I did not try, you try it)

3, the　automatically sort, organize, classify, and can display in English

4, with questions submitted and recorded used to own confused (a bit like a bookmark oh)

5, you can freely add, modify, delete records