diff --git a/bsp/w801/README.md b/bsp/w801/README.md
index fc168e284..bd0b91c07 100644
--- a/bsp/w801/README.md
+++ b/bsp/w801/README.md
@@ -17,3 +17,9 @@ https://occ.t-head.cn/community/download?id=575997419775328256
 1. use "W800_SDK.cdkproj" to replace "wm_sdk_w800\tools\w800\projects\SDK_Project\project\CDK_WS\W800_SDK\W800_SDK.cdkproj"
 
 2. use "app" folder to replace "wm_sdk_w800\app" folder
+
+3. Run the app/pikascript/pikaPackage.exe to get source code of pikascript core and packages.
+
+4. Run the app/xxx/pikascript/rust-msc-latest-win10.exe to pre-compile the packages of pikascript.
+
+5. Enjoy.