diff --git a/README.md b/README.md
index 6b17360..41f9e2c 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,10 @@
-# Please use joy5 instead
+# PLEASE USE joy5 INSTEAD
 
 [joy5](https://github.com/nareix/joy5)
 
+- High performance Copy-on-write gop cache [code](https://github.com/nareix/joy5/blob/master/cmd/avtool/pubsub.go)
+- Better av.Packet design [code](https://github.com/nareix/joy5/blob/master/av/av.go)
+
 # JOY4
 
 > Golang audio/video library and streaming server