diff --git a/sig/Cloud_Kernel_Sig/content/ReleaseNotes/4.19/4.19-028.y.md b/sig/Cloud_Kernel_Sig/content/ReleaseNotes/4.19/4.19-028.y.md
index fdb5508c29f43617549dc725fc4bd5f3b74c6319..e7e84311af4fe7ca52cd04b12db477e004d1ae1e 100644
--- a/sig/Cloud_Kernel_Sig/content/ReleaseNotes/4.19/4.19-028.y.md
+++ b/sig/Cloud_Kernel_Sig/content/ReleaseNotes/4.19/4.19-028.y.md
@@ -291,3 +291,12 @@ Group Identity  引入 ID_LOAD_BALAN、ID_ABSOLUTE_EXPEL 新特性，优化 ID_H
 
 ## 重要 Bug Fixes
 - 修复在使用 uprobe 时可能导致的内存越界问题。([PR#4012](https://gitee.com/anolis/cloud-kernel/pulls/4012))
+
+# 4.19-028.4
+发布时间: 2025-01-07
+发布链接:
+- [anolis7](https://anas.openanolis.cn/errata/detail/ANBA-2025:0006)
+- [anolis8](https://anas.openanolis.cn/errata/detail/ANBA-2025:0005)
+
+## 重要 Bug Fixes
+- 修复当 PCI 设备数量 > 32 时，热插拔或者 rescan 时潜在的 iohang 问题。([PR#4012](https://gitee.com/anolis/cloud-kernel/pulls/4012))