Support. Auxiliary code course is an educational App under Hebei Xizhi Software Technology Co., Ltd. The auxiliary code course is based on the teaching system of Pad and the question bank of micro-courses, providing better classroom teaching and accurate after-school teaching services for senior high schools. The Vivo tablet itself supports the course of controlling auxiliary codes. The student port of the software outputs the content through the controlled tablet, and the ROM-level real control tablet is used, so that students can concentrate on the learning tasks assigned by the teacher.