In Admin Account panel, if you want to modify an acount's password, please click the Modify button.
Enter the new password and re-type it in the Re-type password textbox. At last, click the Submit button, the old password will be replaced with the new one.
If you want to add an admin account, please click Add button and fill in it's information at proper position. Then click the Submit button, a new account will be created at the moment.