Code Autocompletion is slow when using WSL

I'm developing a Cmake project in local WSL, but the code analysis is slow, which leads to the high latency(>=5 seconds) of error notation and autocompletion. Here is my environment:

Build #CL-211.6693.114, built on April 6, 2021
Licensed to Zhang pycharm
Subscription is active until November 9, 2021.
For educational use only.
Runtime version: 11.0.10+9-b1341.35 amd64
VM: Dynamic Code Evolution 64-Bit Server VM by JetBrains s.r.o.
Windows 10 10.0
GC: G1 Young Generation, G1 Old Generation
Memory: 2000M
Cores: 12
Registry: run.processes.with.pty=TRUE
Non-Bundled Plugins: com.github.itechbear.clion.cpplint (1.0.7), de.wieselbau.clion.clangtidy (1.2.2)