diff --git a/zh-cn/release-notes/OpenHarmony-v4.0-beta2.md b/zh-cn/release-notes/OpenHarmony-v4.0-beta2.md
index ae3d086d22d72d1e002b4a0f4ba289ef6282bc3a..eb08f17acd87879a0e420b0d42c6adc44c829fcf 100644
--- a/zh-cn/release-notes/OpenHarmony-v4.0-beta2.md
+++ b/zh-cn/release-notes/OpenHarmony-v4.0-beta2.md
@@ -1,5 +1,7 @@
 # OpenHarmony 4.0 Beta2
 
+## 版本概述
+
 ## 特性说明
 
 
@@ -371,18 +373,28 @@
 
 | 版本源码                                | **版本信息** | **下载站点**                                                 | **SHA256校验码**                                             | **软件包容量** |
 | --------------------------------------- | ------------ | ------------------------------------------------------------ | ------------------------------------------------------------ | -------- |
-| 全量代码（标准、轻量和小型系统）        | 4.0 Beta1    | [站点](https://repo.huaweicloud.com/openharmony/os/4.0-Beta2/code-v4.0-Beta2.tar.gz) | [SHA256校验码](https://repo.huaweicloud.com/openharmony/os/4.0-Beta2/code-v4.0-Beta2.tar.gz.sha256) | 26.2 GB |
-| Hi3861解决方案（二进制）        | 4.0 Beta1    | [站点](https://repo.huaweicloud.com/openharmony/os/4.0-Beta2/hispark_pegasus.tar.gz) | [SHA256校验码](https://repo.huaweicloud.com/openharmony/os/4.0-Beta2/hispark_pegasus.tar.gz.sha256) | 25.1 MB |
-| Hi3516解决方案-LiteOS（二进制） | 4.0 Beta1    | [站点](https://repo.huaweicloud.com/openharmony/os/4.0-Beta2/hispark_taurus_LiteOS.tar.gz) | [SHA256校验码](https://repo.huaweicloud.com/openharmony/os/4.0-Beta2/hispark_taurus_LiteOS.tar.gz.sha256) | 287.6 MB |
-| Hi3516解决方案-Linux（二进制）  | 4.0 Beta1    | [站点](https://repo.huaweicloud.com/openharmony/os/4.0-Beta2/hispark_taurus_Linux.tar.gz) | [SHA256校验码](https://repo.huaweicloud.com/openharmony/os/4.0-Beta2/hispark_taurus_Linux.tar.gz.sha256) | 186.4 MB |
-| RK3568标准系统解决方案（二进制）        | 4.0 Beta1    | [站点](https://repo.huaweicloud.com/openharmony/os/4.0-Beta2/dayu200_standard_arm32.tar.gz) | [SHA256校验码](https://repo.huaweicloud.com/openharmony/os/4.0-Beta2/dayu200_standard_arm32.tar.gz.sha256) | 4.5 GB |
-| 标准系统Public SDK包（Mac）             | 4.0.7.5      | [站点](https://repo.huaweicloud.com/openharmony/os/4.0-Beta2/ohos-sdk-mac-public.tar.gz) | [SHA256校验码](https://repo.huaweicloud.com/openharmony/os/4.0-Beta2/ohos-sdk-mac-public.tar.gz.sha256) | 718.2 MB |
-| 标准系统Public SDK包（Mac-M1）             | 4.0.7.5      | [站点](https://repo.huaweicloud.com/openharmony/os/4.0-Beta2/L2-SDK-MAC-M1-PUBLIC.tar.gz) | [SHA256校验码](https://repo.huaweicloud.com/openharmony/os/4.0-Beta2/L2-SDK-MAC-M1-PUBLIC.tar.gz.sha256) | 673.2 MB |
-| 标准系统Public SDK包（Windows/Linux）   | 4.0.7.5      | [站点](https://repo.huaweicloud.com/openharmony/os/4.0-Beta2/ohos-sdk-windows_linux-public.tar.gz) | [SHA256校验码](https://repo.huaweicloud.com/openharmony/os/4.0-Beta2/ohos-sdk-windows_linux-public.tar.gz.sha256) | 1.8 GB |
+| 全量代码（标准、轻量和小型系统）        | 4.0 Beta2    | [站点](https://repo.huaweicloud.com/openharmony/os/4.0-Beta2/code-v4.0-Beta2.tar.gz) | [SHA256校验码](https://repo.huaweicloud.com/openharmony/os/4.0-Beta2/code-v4.0-Beta2.tar.gz.sha256) | 26.2 GB |
+| Hi3861解决方案（二进制）        | 4.0 Beta2    | [站点](https://repo.huaweicloud.com/openharmony/os/4.0-Beta2/hispark_pegasus.tar.gz) | [SHA256校验码](https://repo.huaweicloud.com/openharmony/os/4.0-Beta2/hispark_pegasus.tar.gz.sha256) | 25.1 MB |
+| Hi3516解决方案-LiteOS（二进制） | 4.0 Beta2    | [站点](https://repo.huaweicloud.com/openharmony/os/4.0-Beta2/hispark_taurus_LiteOS.tar.gz) | [SHA256校验码](https://repo.huaweicloud.com/openharmony/os/4.0-Beta2/hispark_taurus_LiteOS.tar.gz.sha256) | 287.6 MB |
+| Hi3516解决方案-Linux（二进制）  | 4.0 Beta2    | [站点](https://repo.huaweicloud.com/openharmony/os/4.0-Beta2/hispark_taurus_Linux.tar.gz) | [SHA256校验码](https://repo.huaweicloud.com/openharmony/os/4.0-Beta2/hispark_taurus_Linux.tar.gz.sha256) | 186.4 MB |
+| RK3568标准系统解决方案（二进制）        | 4.0 Beta2    | [站点](https://repo.huaweicloud.com/openharmony/os/4.0-Beta2/dayu200_standard_arm32.tar.gz) | [SHA256校验码](https://repo.huaweicloud.com/openharmony/os/4.0-Beta2/dayu200_standard_arm32.tar.gz.sha256) | 4.5 GB |
+| 标准系统Public SDK包（Mac）             | 4.0.9.6      | [站点](https://repo.huaweicloud.com/openharmony/os/4.0-Beta2/ohos-sdk-mac-public.tar.gz) | [SHA256校验码](https://repo.huaweicloud.com/openharmony/os/4.0-Beta2/ohos-sdk-mac-public.tar.gz.sha256) | 718.2 MB |
+| 标准系统Public SDK包（Mac-M1）             | 4.0.9.6     | [站点](https://repo.huaweicloud.com/openharmony/os/4.0-Beta2/L2-SDK-MAC-M1-PUBLIC.tar.gz) | [SHA256校验码](https://repo.huaweicloud.com/openharmony/os/4.0-Beta2/L2-SDK-MAC-M1-PUBLIC.tar.gz.sha256) | 673.2 MB |
+| 标准系统Public SDK包（Windows/Linux）   | 4.0.9.6      | [站点](https://repo.huaweicloud.com/openharmony/os/4.0-Beta2/ohos-sdk-windows_linux-public.tar.gz) | [SHA256校验码](https://repo.huaweicloud.com/openharmony/os/4.0-Beta2/ohos-sdk-windows_linux-public.tar.gz.sha256) | 1.8 GB |
 
 
 ## 更新说明
 
+本版本在OpenHarmony 4.0 Beta1的基础上有如下变更:
+
+### API 
+
+OpenHarmony 4.0 Beta2的API范围相比4.0 Beta1，API变更的清单请参见“[API差异报告](https://gitee.com/openharmony/docs/blob/OpenHarmony-4.0-Beta2/zh-cn/release-notes/api-diff/v4.0-beta1/Readme-CN.md)”。极少量接口的变更可能影响到已开发的应用（使用API 9或更早版本API开发的应用），变更影响的说明和接口的适配指导请参见“[changelogs](https://gitee.com/openharmony/docs/blob/OpenHarmony-4.0-Beta1/zh-cn/release-notes/changelogs/v4.0-beta2/Readme-CN.md)”。
+
+
+### 特性变更
+
+详见[版本概述](#版本概述)。
 
 ### 芯片及开发板适配