diff --git a/README.md b/README.md
index 57a0ffe..717173c 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,18 @@
-# Cheongha landing page by compose multiplatform
+# Cheongha landing page made by compose multiplatform
 
+### [Landing Page](https://withpeace.github.io/cheongha.github.io/)
+
+### Environment
+Android Koala
+Kotlin 2.0.0
+
+### build in local
+> ./gradlew jsBrowserRun
+
+### WebAssembly GC
+It may be slow if your browser doesn't support webassembly gc
+
+ex) Safari, Mobile Browser
+
+If you want check supporting Garbage Collection
+Link to [this](https://webassembly.org/features/)