1. No administrator mode, no fear of database injection. 2. Admin.asp is the registration information page for the administrator to view. You can change the name to something that no one can guess, such as kan.asp. 3. The registered major settings are modified in the index.asp page <select name="zhuanyie" id="select" size="1"> <option>======Advanced Vocational Skills Major=====</option> <option value="6+1 Senior Network Engineer (1 year)">6+1 Senior Network Engineer (1 year)</option> <option value="Senior Network Engineer (1 year)">Senior Network Engineer (1 year)</option> <option value="Senior Web Designer (1 year)" selected>Senior Web Designer (1 year)</option> <option value="Senior Graphic Designer (1 year)">Senior Graphic Designer (1 year)</option> <option value="Senior Business Office Engineer (1 year)">Senior Business Office Engineer (1 year)</option> <option value="Senior Business Office Engineer (half a year)">Senior Business Office Engineer (half a year)</option> <option value="Senior Maintenance Engineer (1 year)">Senior Maintenance Engineer (1 year)</option> <option value="Senior Software Engineer (1 year)">Senior Software Engineer (1 year)</option> <option value="Art and Design (Computer) (2 years)">Art and Design (Computer) (2 years)</option> <option value="Computer Science and Technology (3 years)">Computer Science and Technology (3 years)</option> </select> 4. If you are afraid that the forum watering machine will flood the forum, you can put the program in a deep directory, such as www.XXX.com/bm/bm/ 5. The next version will launch functions such as online modification of professional courses.