Android Studio flutter show corrupted code in all classes

Android studio Version :- Arctic Fox | 2020.3.1

All files show corrupted code check screenshot.

I have tried all the possible way to get it worked. This problem is currently in My flutter Code but native android project also have same problem.

• reinstalled android studio.
• deleted gradle caches.
• Invalidated/restarted project.

Simple Step for your solution

• Exit Android Studio

• Delete caches folder from

  C:\Users\{username}\AppData\Local\Google\AndroidStudio2020.3
  

• Open Android Studio and your code has being Perfect