Bug report for Nested subclasses cannot be resolved On Netty

[GtoCm]

Describe the bug
A clear and concise description of what the bug is.

To Reproduce
Steps to reproduce the behavior:

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

Expected behavior
A clear and concise description of what you expected to happen.

Screenshots
If applicable, add screenshots to help explain your problem.

Component (please set component name):

• Component: [e.g. Netty]
• Version [e.g. 1.0.2]

Additional context
Add any other context about the problem here.

[qianmoQ]

The problem can not be repeated, and no problem is found after the test. Please refer to the test example commit