diff --git a/product/en/docs-mtk/v2.0/release-notes.md b/product/en/docs-mtk/v2.0/release-notes.md
index 7f95aee1e319eee981c34d958b140f24870a91aa..b5c0252a7596ce5a998ac881a49e7aa309147bfc 100644
--- a/product/en/docs-mtk/v2.0/release-notes.md
+++ b/product/en/docs-mtk/v2.0/release-notes.md
@@ -7,6 +7,43 @@ date: 2021-09-13
 
 # Release Notes
 
+## v2.3.1
+
+2022-05-09
+
+### MTK
+
+- [mtk_2.3.1_darwin_amd64.tar.gz](https://cdn-mogdb.enmotech.com/mtk/v2.3.1/mtk_2.3.1_darwin_amd64.tar.gz)
+- [mtk_2.3.1_darwin_amd64_db2.tar.gz](https://cdn-mogdb.enmotech.com/mtk/v2.3.1/mtk_2.3.1_darwin_amd64_db2.tar.gz)
+- [mtk_2.3.1_darwin_arm64.tar.gz](https://cdn-mogdb.enmotech.com/mtk/v2.3.1/mtk_2.3.1_darwin_arm64.tar.gz)
+- [mtk_2.3.1_linux_amd64.tar.gz](https://cdn-mogdb.enmotech.com/mtk/v2.3.1/mtk_2.3.1_linux_amd64.tar.gz)
+- [mtk_2.3.1_linux_amd64_db2.tar.gz](https://cdn-mogdb.enmotech.com/mtk/v2.3.1/mtk_2.3.1_linux_amd64_db2.tar.gz)
+- [mtk_2.3.1_linux_arm64.tar.gz](https://cdn-mogdb.enmotech.com/mtk/v2.3.1/mtk_2.3.1_linux_arm64.tar.gz)
+- [mtk_2.3.1_windows_amd64.tar.gz](https://cdn-mogdb.enmotech.com/mtk/v2.3.1/mtk_2.3.1_windows_amd64.tar.gz)
+- [mtk_2.3.1_windows_amd64_db2.tar.gz](https://cdn-mogdb.enmotech.com/mtk/v2.3.1/mtk_2.3.1_windows_amd64_db2.tar.gz)
+- [mtk_checksums.txt](https://cdn-mogdb.enmotech.com/mtk/v2.3.1/mtk_checksums.txt)
+
+### MTKD
+
+- [mtkd_2.3.1_linux_amd64.tar.gz](https://cdn-mogdb.enmotech.com/mtk/v2.3.1/mtkd_2.3.1_linux_amd64.tar.gz)
+- [mtkd_2.3.1_linux_amd64_db2.tar.gz](https://cdn-mogdb.enmotech.com/mtk/v2.3.1/mtkd_2.3.1_linux_amd64_db2.tar.gz)
+- [mtkd_2.3.1_linux_arm64.tar.gz](https://cdn-mogdb.enmotech.com/mtk/v2.3.1/mtkd_2.3.1_linux_arm64.tar.gz)
+
+### Bug Fixes
+
+- **DB2:** Migration to MySQL auto-incr columns is not a primary key first column issue
+- **MTKD:** Log default level issue
+- **MySQL:** Migration Oracle Number(*,0) loss of specific precision issues
+- **MySQL:** Migration MySQL connections take up too many issues
+- **openGauss:** Migration Oracle Number(*,0) loss of specific accuracy issues
+- **openGauss:** Query partition SQL statement issues
+
+### Features
+
+- **MySQL:** Supports migration triggers to openGauss/MogDB
+- **Postgre:** Supports 'GENERATED ALWAYS AS IDENTITY'
+- **openGauss:** Supports openGauss 3.0 large sequence
+
 ## v2.3.0
 
 ### MTK
diff --git a/product/zh/docs-mtk/v2.0/release-notes.md b/product/zh/docs-mtk/v2.0/release-notes.md
index 4a35ffb7a02e7121390fa0dd5e50458c5b87752a..26c4954e145748f41bd7a53c08774cec9b576e13 100644
--- a/product/zh/docs-mtk/v2.0/release-notes.md
+++ b/product/zh/docs-mtk/v2.0/release-notes.md
@@ -7,6 +7,43 @@ date: 2021-09-17
 
 # 发布记录
 
+## v2.3.1
+
+2022-05-09
+
+### MTK
+
+- [mtk_2.3.1_darwin_amd64.tar.gz](https://cdn-mogdb.enmotech.com/mtk/v2.3.1/mtk_2.3.1_darwin_amd64.tar.gz)
+- [mtk_2.3.1_darwin_amd64_db2.tar.gz](https://cdn-mogdb.enmotech.com/mtk/v2.3.1/mtk_2.3.1_darwin_amd64_db2.tar.gz)
+- [mtk_2.3.1_darwin_arm64.tar.gz](https://cdn-mogdb.enmotech.com/mtk/v2.3.1/mtk_2.3.1_darwin_arm64.tar.gz)
+- [mtk_2.3.1_linux_amd64.tar.gz](https://cdn-mogdb.enmotech.com/mtk/v2.3.1/mtk_2.3.1_linux_amd64.tar.gz)
+- [mtk_2.3.1_linux_amd64_db2.tar.gz](https://cdn-mogdb.enmotech.com/mtk/v2.3.1/mtk_2.3.1_linux_amd64_db2.tar.gz)
+- [mtk_2.3.1_linux_arm64.tar.gz](https://cdn-mogdb.enmotech.com/mtk/v2.3.1/mtk_2.3.1_linux_arm64.tar.gz)
+- [mtk_2.3.1_windows_amd64.tar.gz](https://cdn-mogdb.enmotech.com/mtk/v2.3.1/mtk_2.3.1_windows_amd64.tar.gz)
+- [mtk_2.3.1_windows_amd64_db2.tar.gz](https://cdn-mogdb.enmotech.com/mtk/v2.3.1/mtk_2.3.1_windows_amd64_db2.tar.gz)
+- [mtk_checksums.txt](https://cdn-mogdb.enmotech.com/mtk/v2.3.1/mtk_checksums.txt)
+
+### MTKD
+
+- [mtkd_2.3.1_linux_amd64.tar.gz](https://cdn-mogdb.enmotech.com/mtk/v2.3.1/mtkd_2.3.1_linux_amd64.tar.gz)
+- [mtkd_2.3.1_linux_amd64_db2.tar.gz](https://cdn-mogdb.enmotech.com/mtk/v2.3.1/mtkd_2.3.1_linux_amd64_db2.tar.gz)
+- [mtkd_2.3.1_linux_arm64.tar.gz](https://cdn-mogdb.enmotech.com/mtk/v2.3.1/mtkd_2.3.1_linux_arm64.tar.gz)
+
+### Bug Fixes
+
+- **DB2:** 迁移到MySQL自增列不是主键第一列问题
+- **MTKD:** 日志默认级别问题
+- **MySQL:** 迁移Oracle Number(*,0)丢失具体精度问题
+- **MySQL:** 迁移MySQL连接数占用过多问题
+- **openGauss:** 迁移Oracle Number(*,0)丢失具体精度问题
+- **openGauss:** 查询分区SQL语句问题
+
+### Features
+
+- **MySQL:** 支持迁移触发器到 openGauss/MogDB
+- **Postgre:** 支持`GENERATED ALWAYS AS IDENTITY`
+- **openGauss:** 支持openGauss 3.0 large sequence
+
 ## v2.3.0
 
 2022-04-19