Apple's mobile phone download software needs to enter the correct personal account number and password, confirm the personal identity and download it again, or search the browser for the installation package to download.

National compulsory education quality monitoring, build a national basic education quality monitoring system with China characteristics and international comparability, scientifically, accurately and timely monitor the quality of national basic education, promote scientific education management and decision-making, guide the whole society to establish and practice a scientific concept of education quality, and promote the continuous improvement of the quality level of basic education in China.