The solution is as follows:

1. Check the game settings: First, make sure that the volume setting of the background music in the game has not been turned off or lowered.

2. Check the integrity of the game files: On Steam, right-click the game name, select "Properties", and click "Verify Game Integrity" under the "Partial Files" tab, which will check and repair it. Corrupted game files.

3. Update game and audio drivers: Make sure your game and audio drivers are the latest versions, which can avoid incompatibility issues with games.

4. Close other programs: Try to close other running programs to release computer resources, which will help solve the stuck problem.