diff --git a/plan/README.md b/plan/README.md
index 134420c7d2b68bc89c2451cf9092b86fb53a0a52..e4206c8715e75961c2d490a1081bf9c65536d6ef 100644
--- a/plan/README.md
+++ b/plan/README.md
@@ -66,10 +66,13 @@
     * RISC-V 引导程序环境：应用&规范，[幻灯](https://gitee.com/tinylab/riscv-linux/raw/master/ppt/riscv-rustsbi.pdf)，[直播回放](https://www.cctalk.com/v/16495466863205) @luojia65
 * U-Boot
 * UEFI
+    * [RISC-V UEFI 架构支持详解，第 1 部分 - OpenSBI/U-Boot/UEFI 简介](https://tinylab.org/riscv-uefi-part1/) @Jacob
 
 ## Boot, Init & Shutdown
 
 * Booting
+    * RISC-V Linux 内核启动流程分析, [直播回放](https://www.cctalk.com/v/16520639214118) @通天塔
+
 * DTS @iosdevlog
 * UEFI support @jiangbo.jacob
 * Compressed images
@@ -143,7 +146,7 @@
 ## Tracing
 
 * Stacktrace
-    * [RISC-V Linux Stacktrace 详解](https://tinylab.org/riscv-stacktrace/) @zhao305149619
+    * [RISC-V Linux Stacktrace 详解](https://tinylab.org/riscv-stacktrace/), [直播回放](https://www.cctalk.com/v/16525972863665) @zhao305149619
 
 * Tracepoint
 * Ftrace @luoxiaogang