I can't. When teachers of Northwestern Polytechnical University retire, their personal accounts and personal permissions will be removed from the website of Northwestern Polytechnical University. Therefore, the retired teachers of the school said that they could not use the internal website. Northwestern Polytechnical University (hereinafter referred to as "Xigong University") is located in Xi City, the capital of Shaanxi Province, directly under the Ministry of Industry and Information Technology of the People's Republic of China. It is a national key university with interdisciplinary research characteristics, such as personnel training and scientific research in aviation, aerospace, navigation and other fields.