Before solving the problem, the taxpayer's web application should first check the reason. Common causes include browser cache problems, network connection problems, server problems, browser compatibility problems, and low operating system or browser version.

1. Browser Cache Problem: Try to clear the browser cache. Find the "clear cache" option in the browser settings, clear the cache and reopen the webpage.

2. Network connection problem: Check whether the network connection is normal. If the network is unstable or disconnected, the page may not load normally. It is recommended that you check your network connection or try to connect to another network.

3. Server problem: It may be that the server is out of order, which makes it impossible to load the page normally. At this time, you need to wait patiently for a while, or contact relevant technical support personnel to solve the problem.

4. Browser compatibility problem: If you use an old version of the browser, the page may not load normally. It is recommended that you upgrade your browser version, or try to access the website with another browser.

5. The operating system or browser version is too low: resulting in incompatibility with the application. It is recommended that you upgrade your operating system or browser version.