update docs

README.md

@@ -51,6 +51,8 @@ These platforms are officially tested.
 + Raspberry Pi OS 64-bit
 + [Luckfox Pico SDK](https://github.com/LuckfoxTECH/luckfox-pico) 32-bit
 
+On Windows platform, only MSVC compiler is officially supported.
+
 ## Quick Start
 
 You have two options to integrate pkpy into your project.

docs/index.md

@@ -46,6 +46,8 @@ These platforms are officially tested.
 + Raspberry Pi OS 64-bit
 + [Luckfox Pico SDK](https://github.com/LuckfoxTECH/luckfox-pico) 32-bit
 
+On Windows platform, only MSVC compiler is officially supported.
+
 ## Star the repo
 
 If you find pkpy useful, consider [star this repository](https://github.com/blueloveth/pocketpy) (●'◡'●)