1. Publish an application and click exe to execute it. Is there a problem? If so, please continue reading.

2. Application publishing needs to rely on related DLLs and platform support libraries. As follows:

3. How do I add these files? Please execute windeployqt.exe d:/myproject/myapp.exe under the Qt installation directory.

Then it will automatically add the libraries that your app depends on, and then run!