diff --git a/week_04/29/README.md b/week_04/29/README.md
index 4287ca8617970fa8fc025b75cb319c7032706910..dc2f571767733d99b52e9d30c53d04eab19a1f15 100644
--- a/week_04/29/README.md
+++ b/week_04/29/README.md
@@ -1 +1,12 @@
-#
\ No newline at end of file
+# Week04-29
+
+[4.CopyOnWriteArrayList](https://app.yinxiang.com/fx/8ee11c20-cee3-4ac0-a0c2-9d97d3305710)
+
+[4.ConcurrentHashMap](https://app.yinxiang.com/fx/9b3d7d7f-e4bb-4899-ba1d-4b09f5a7f8b0)
+
+[4.ConcurrentLinkedQueue](https://app.yinxiang.com/fx/9526d08d-ca74-441f-9337-e46deebd83ca)
+
+[4.ArrayBlockingQueue](https://app.yinxiang.com/fx/eb2e2af2-4cbb-431d-a7e0-2491a288c1e3)
+
+[4.DelayQueue](https://app.yinxiang.com/fx/50bcd2bc-bdeb-4f90-9b7f-ae99ce3499ed)
+