User login authentication system into the system through the main page, and select Go to page announcement management module, the user can select a different link, the corresponding new announcement, view, set, read, modify, and delete operations. When you click the "View" link will display information about the selected announcement, after which you can click the "Back announcement Main" go back to the showroom list page; click on the "Add Announcement" link, the information input into the bulletin page, when you enter the relevant information and click "Submit" button, if successful, will return to the list page announcement, and prompts "added successfully", if it fails, the error message is related tips, if you do not want to add, you can click the "Back Home announcement face "to return to the announcement list page; click on the" edit "link, it will enter to modify the page and display advertisement information in the form you want to modify, after a change the data in a form, then click the" Submit "button If successful, it will return to the list page announcement, and prompts "changed successfully", otherwise it will prompt an error message related to, if not modified, you can click the "Back announcement Main" to return to the announcement list page; click on the "delete "link, it will delete the currently selected announcement message and prompts" deleted successfully. "