Go to the website above, on the first page. The first one is the upgrade patch of the enterprise management subsystem of Beijing social insurance information system (common company version V4.3. 10), and there is another one in the middle of the website: enterprise management subsystem of Beijing social insurance information system (common company version V4.2. 1). Download these two and install version 4.2 first. After installation, install the V4.3. 10 patch, and you will be fine. Pay attention to the latest upgrade patch of the website at any time in the future, and remember to patch it in time.
Further reading: How to buy insurance, which is good, and teach you how to avoid these "pits" of insurance.