Most account password errors are caused by abnormal network connection. Teaching system is a subsystem of education system, which refers to a whole with certain teaching function, which is organically combined by various teaching elements to achieve a certain teaching purpose. Unable to log on to the online training platform for financial cadres in the education system is caused by the wrong account password, mostly due to abnormal network connection. Higher education is a professional education and vocational education based on the completion of secondary education, and it is the main social activity to train senior professionals and professionals. Higher education is one of the important interrelated components in the education system.