diff --git a/RKBOOT/RK3566MINIALL.ini b/RKBOOT/RK3566MINIALL.ini
index d9acb560..d68a578f 100644
--- a/RKBOOT/RK3566MINIALL.ini
+++ b/RKBOOT/RK3566MINIALL.ini
@@ -5,7 +5,7 @@ MAJOR=1
 MINOR=1
 [CODE471_OPTION]
 NUM=1
-Path1=bin/rk35/rk3566_ddr_1056MHz_v1.20.bin
+Path1=bin/rk35/rk3566_ddr_1056MHz_v1.21.bin
 Sleep=1
 [CODE472_OPTION]
 NUM=1
@@ -14,10 +14,10 @@ Path1=bin/rk35/rk356x_usbplug_v1.17.bin
 NUM=2
 LOADER1=FlashData
 LOADER2=FlashBoot
-FlashData=bin/rk35/rk3566_ddr_1056MHz_v1.20.bin
+FlashData=bin/rk35/rk3566_ddr_1056MHz_v1.21.bin
 FlashBoot=bin/rk35/rk356x_spl_v1.13.bin
 [OUTPUT]
-PATH=rk356x_spl_loader_v1.20.113.bin
+PATH=rk356x_spl_loader_v1.21.113.bin
 [SYSTEM]
 NEWIDB=true
 [FLAG]
diff --git a/RKBOOT/RK3566MINIALL_NAND.ini b/RKBOOT/RK3566MINIALL_NAND.ini
index c583e67d..826c50cd 100644
--- a/RKBOOT/RK3566MINIALL_NAND.ini
+++ b/RKBOOT/RK3566MINIALL_NAND.ini
@@ -5,7 +5,7 @@ MAJOR=1
 MINOR=8
 [CODE471_OPTION]
 NUM=1
-Path1=bin/rk35/rk3566_ddr_1056MHz_v1.20.bin
+Path1=bin/rk35/rk3566_ddr_1056MHz_v1.21.bin
 Sleep=1
 [CODE472_OPTION]
 NUM=1
@@ -14,10 +14,10 @@ Path1=bin/rk35/rk356x_usbplug_nand_v1.04.bin
 NUM=2
 LOADER1=FlashData
 LOADER2=FlashBoot
-FlashData=bin/rk35/rk3566_ddr_1056MHz_v1.20.bin
+FlashData=bin/rk35/rk3566_ddr_1056MHz_v1.21.bin
 FlashBoot=bin/rk35/rk356x_spl_nand_v1.14.bin
 [OUTPUT]
-PATH=rk3566_spl_loader_nand_v1.20.107.bin
+PATH=rk3566_spl_loader_nand_v1.21.107.bin
 [SYSTEM]
 NEWIDB=true
 [FLAG]
diff --git a/bin/rk35/rk3566_ddr_1056MHz_v1.20.bin b/bin/rk35/rk3566_ddr_1056MHz_v1.21.bin
similarity index 65%
rename from bin/rk35/rk3566_ddr_1056MHz_v1.20.bin
rename to bin/rk35/rk3566_ddr_1056MHz_v1.21.bin
index c3237e38..0c5ae555 100644
Binary files a/bin/rk35/rk3566_ddr_1056MHz_v1.20.bin and b/bin/rk35/rk3566_ddr_1056MHz_v1.21.bin differ
diff --git a/bin/rk35/rk3566_ddr_920MHz_v1.20.bin b/bin/rk35/rk3566_ddr_920MHz_v1.21.bin
similarity index 65%
rename from bin/rk35/rk3566_ddr_920MHz_v1.20.bin
rename to bin/rk35/rk3566_ddr_920MHz_v1.21.bin
index decda61d..5bcd70f4 100644
Binary files a/bin/rk35/rk3566_ddr_920MHz_v1.20.bin and b/bin/rk35/rk3566_ddr_920MHz_v1.21.bin differ
diff --git a/doc/release/RK3566_CN.md b/doc/release/RK3566_CN.md
index aa3dc822..65791b2d 100644
--- a/doc/release/RK3566_CN.md
+++ b/doc/release/RK3566_CN.md
@@ -1,5 +1,19 @@
 # RK3566 Release Note
 
+## rk3566_ddr_{1056...920}MHz_v1.21.bin
+
+| 时间       | 文件                               | 编译 commit | 重要程度 |
+| ---------- | :--------------------------------- | ----------- | -------- |
+| 2024-01-20 | rk3566_ddr_{1056...920}MHz_v1.21.bin | 2d653b3476 | 重要     |
+
+### Fixed
+
+| Index | 重要程度 | 更新说明                                  | 问题现象                                              | 问题来源 |
+| ----- | -------- | ----------------------------------------- | ----------------------------------------------------- | -------- |
+| 1     | 重要     | 修正reboot时可能存在漏做CA training的问题 | reboot时可能有概率未做CA training。CA training结果为0 | -        |
+
+------
+
 ## rk3568_bl31_ultra_v2.17.elf
 
 | 时间       | 文件                        | 编译 commit | 重要程度 |
diff --git a/doc/release/RK3566_EN.md b/doc/release/RK3566_EN.md
index c45869c3..d8c858f1 100644
--- a/doc/release/RK3566_EN.md
+++ b/doc/release/RK3566_EN.md
@@ -1,5 +1,19 @@
 # RK3566 Release Note
 
+## rk3566_ddr_{1056...920}MHz_v1.21.bin
+
+| Date       | File                                 | Build commit | Severity  |
+| ---------- | ------------------------------------ | ------------ | --------- |
+| 2024-01-20 | rk3566_ddr_{1056...920}MHz_v1.21.bin | 2d653b3476   | important |
+
+### Fixed
+
+| Index | Severity  | Update                                                    | Issue description                                            | Issue source |
+| ----- | --------- | --------------------------------------------------------- | ------------------------------------------------------------ | ------------ |
+| 1     | important | Fixed issue that CA training may be missed during reboot. | CA training may not be done during reboot. CA training results always zero. | -            |
+
+------
+
 ## rk3568_bl31_ultra_v2.17.elf
 
 | Date       | File                        | Build commit | Severity  |