diff --git a/RKTRUST/RK3326TRUST.ini b/RKTRUST/RK3326TRUST.ini
index cbb301d5..2f68a49b 100644
--- a/RKTRUST/RK3326TRUST.ini
+++ b/RKTRUST/RK3326TRUST.ini
@@ -9,7 +9,7 @@ PATH=bin/rk33/rk3326_bl31_v1.34.elf
 ADDR=0x00040000
 [BL32_OPTION]
 SEC=1
-PATH=bin/rk33/rk3326_bl32_v2.17.bin
+PATH=bin/rk33/rk3326_bl32_v2.18.bin
 ADDR=0x08400000
 [BL33_OPTION]
 SEC=0
diff --git a/bin/rk33/rk3326_bl32_v2.17.bin b/bin/rk33/rk3326_bl32_v2.18.bin
similarity index 73%
rename from bin/rk33/rk3326_bl32_v2.17.bin
rename to bin/rk33/rk3326_bl32_v2.18.bin
index 99222e99..a3bf13a1 100644
Binary files a/bin/rk33/rk3326_bl32_v2.17.bin and b/bin/rk33/rk3326_bl32_v2.18.bin differ
diff --git a/doc/release/RK3326_CN.md b/doc/release/RK3326_CN.md
index 3a9b15fb..49c53e72 100644
--- a/doc/release/RK3326_CN.md
+++ b/doc/release/RK3326_CN.md
@@ -1,5 +1,17 @@
 # RK3326 Release Note
 
+## rk3326_bl32_v2.18.bin
+
+| 时间       | 文件                  | 编译 commit | 重要程度 |
+| ---------- | :-------------------- | ----------- | -------- |
+| 2024-09-02 | rk3326_bl32_v2.18.bin | 6c78a7d8c   | 重要     |
+
+### New
+
+1. 支持软件TA加密密钥功能，客户可以不烧写密钥的情况下使用TA加密功能。
+
+------
+
 ## rk3326_miniloader_v1.40.bin
 
 | 时间       | 文件                        | 编译 commit | 重要程度 |
@@ -11,7 +23,6 @@
 | Index | 重要程度 | 更新说明                 | 问题现象                                     | 问题来源 |
 | ----- | -------- | ------------------------ | -------------------------------------------- | -------- |
 | 1     | 重要     | 使能pwm2-7功能 | rk3326 pwm2-7功能无法使用 | -        |
-
 ------
 
 ## rk3326_ddr_333MHz_v2.11.bin
diff --git a/doc/release/RK3326_EN.md b/doc/release/RK3326_EN.md
index ebfb68e5..1bf5dcb2 100644
--- a/doc/release/RK3326_EN.md
+++ b/doc/release/RK3326_EN.md
@@ -1,5 +1,17 @@
 # RK3326 Release Note
 
+## rk3326_bl32_v2.18.bin
+
+| Date       | File                  | Build commit | Severity  |
+| ---------- | :-------------------- | ------------ | --------- |
+| 2024-09-02 | rk3326_bl32_v2.18.bin | 6c78a7d8c    | important |
+
+### New
+
+1.  Support software TA encryption key, customers can use TA encryption function without burning the key.
+
+------
+
 ## rk3326_miniloader_v1.40.bin
 
 | Date       | file                        | Build commit | Severity  |
@@ -11,7 +23,6 @@
 | Index | Severity  | Update                  | Issue description                   | Issue source |
 | ----- | --------- | ----------------------- | ----------------------------------- | ------------ |
 | 1     | important | enable pwm2-7 function. | rk3326 pwm2-7 function can not use. | -            |
-
 ------
 
 ## rk3326_ddr_333MHz_v2.11.bin