Some intellisense don't work well in interactive window after writing some REPL commands

[linette-zyy]

Environment

Steps to Reproduce
1.Create a Python Application
2.Open an Interactive Window
3.Write some codes to get intellisense
4.Write '$help' to get REPL commands

5.Write '$cls'
6.Repeat step3

Expected behavior
All IntelliSense should work well

Actual behavior
Some intellisense don't work well after using '$cls'、‘$clear’、'$reset'

Additional context and screenshots

And I would like to mention, when i write the REPL commands firstly ,the intellisense display incorrectly

[linette-zyy]

In today's build:17.7.0 Preview 2.0 [33709.378.main],Python Package:17.0.23115.2
By the way,'@' is covered when type enter in interactive window

[linette-zyy]

In today's build:17.8.0 Preview 1.0 [33902.16.main], Python Package:17.0.23179.1
The cursor is hang after using '$reset'

[ttSpace]

I can repro it in today's build 17.13.0 Preview 1.0 [35417.248.main], Python Package: 17.0.24293.1.
Intellisense doesn't work well after using '$cls', ‘$clear’, '$reset'.