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diff --git a/README.md b/README.md
index 43cd2cf..a974e81 100644
--- a/README.md
+++ b/README.md
@@ -5,5 +5,15 @@
 

 ## 🌈Site Preview

 

+### 📌tutorial

+

 - <https://chien.retrofor.space/> _(recommend)_

 - <https://chien-dice.vercel.app/>

+

+### 📌tools

+

+- <https://play.chien.retrofor.space/>

+- <https://envshare.chien.retrofor.space/>

+- <https://flexirobo.retrofor.space/>

+- <https://cyberdynamix.retrofor.space/>

+  
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