It seems that you are a novice in this software, and the questions you ask are only minor questions about logging in. First, make sure that your product is installed correctly. First, install the server, server requirements, IIS and sq databases. After installation, install Changjietong products. During installation, the system will detect the installation conditions and whether the installation conditions are met. Restarting after installation will initialize the database. After initialization, you must first log in to the system management ADMIN, and the password is empty, so as to create a new account set or introduce an old account set for use. After logging in, the software understands that the configuration of options is the focus of learning. This requires an understanding of your own business and software applications. Even simple modules need a learning process to be used skillfully.