diff --git a/product/en/docs-mtk/v2.0/commands/mtk_mig-select.md b/product/en/docs-mtk/v2.0/commands/mtk_mig-select.md
index c5a1447ca5fb8adcd99cf442721bcaa033bcea27..9dd53b12fa63d179be7756e0e3483a16553ec9e5 100644
--- a/product/en/docs-mtk/v2.0/commands/mtk_mig-select.md
+++ b/product/en/docs-mtk/v2.0/commands/mtk_mig-select.md
@@ -4,6 +4,7 @@ summary: mtk mig-select
 author: mtk
 date: 2022-01-07
 ---
+<!-- markdownlint-disable MD010 -->
 ## mtk mig-select
 
 mig select to csv or table data
@@ -24,6 +25,9 @@ mtk mig-select [flags]
 
 # mig select to table
 ./mtk -c mtk.json --sql "select 1 as col1,sysdate as col2, 'aaa' as col3 from dual" --tabName schema1.table1
+
+# colName with spaces,tab, NBSP(Non-Breaking Space)
+./mkt -c mtk.json --sql 'select "ID" AS "ID","ID1" AS "ID1"," COL1 " AS " COL1","	COL2	" AS "	COL2","	COL 3	" AS "	COL 3","	KEY_RECNO        	" AS "	KEY_RECNO" FROM MTK1."TEST_TABLE_2020415 "'
 ```
 
 ### Options
diff --git a/product/en/docs-mtk/v2.0/mtk-config.md b/product/en/docs-mtk/v2.0/mtk-config.md
index 69d5aab28e0bffd401fadc9426dda8b901db05e0..dcdceae6245160c778a7a96cdc5558174cb306c1 100644
--- a/product/en/docs-mtk/v2.0/mtk-config.md
+++ b/product/en/docs-mtk/v2.0/mtk-config.md
@@ -875,6 +875,8 @@ Defines migration objects.
 
 > Parameters **schemas** and **tables** are mutually exclusive.
 > If both parameters are configured, the error "mtk-1002 schema and table cannot exist together" will occur during migration.
+>
+> If no migration object is defined, the error "not define Migrate object" will occur during migration.
 
 ### schema
 
diff --git a/product/en/docs-mtk/v2.0/mtk-db2-to-mysql.md b/product/en/docs-mtk/v2.0/mtk-db2-to-mysql.md
index 912d874a0700f97d82d8dcecdd1161544b1579eb..e7466a4697aa4f239ab06a1b5e5a879a52fe33e1 100644
--- a/product/en/docs-mtk/v2.0/mtk-db2-to-mysql.md
+++ b/product/en/docs-mtk/v2.0/mtk-db2-to-mysql.md
@@ -18,6 +18,10 @@ date: 2021-03-04
 
 ## Precautions
 
+## name
+
+Table/column/index/cons names in mysql do not support suffixes with spaces, mtk will automatically trim the space on the right
+
 ### Empty String and Null Problems
 
 In DB2 and MySQL, null is not equal to an empty string, which does not need to be processed.
@@ -419,6 +423,9 @@ hehel --> \x686568656c
 #### Default value of the column
 
 - current timestamp -&gt; current_timestamp
+- date/time column
+  - Previously MySQL 8.0.13 date/time column types did not support default values
+  - MySQL 8.0.13 can be enclosed in parentheses (current_date)/(current_time)
 
 ### Constraints
 
diff --git a/product/en/docs-mtk/v2.0/mtk-dsn.md b/product/en/docs-mtk/v2.0/mtk-dsn.md
index 4bc2ff7147ee4f95a5823a8a4362a55cc0692669..89e5183e82d5d1cc0188ff0141c84265dc294b25 100644
--- a/product/en/docs-mtk/v2.0/mtk-dsn.md
+++ b/product/en/docs-mtk/v2.0/mtk-dsn.md
@@ -65,3 +65,41 @@ Other reference documents:
 [Go DRiver for Oracle User Guide](https://godror.github.io/godror/doc/connection.html)
 
 [Oracle Database 19c Easy Connect Plus Configurable Database Connection Syntax](https://download.oracle.com/ocomdocs/global/Oracle-Net-19c-Easy-Connect-Plus.pdf)
+
+```json
+{
+  "dsn": "user=system password=pwd connectString=\"(DESCRIPTION=(CONNECT_TIMEOUT = 5)(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST=127.0.0.1)(PORT=1521)))(CONNECT_DATA=(SERVER=DEDICATED)(SERVICE_NAME=mtk)))\" configDir= connectionClass=godror enableEvents=0 externalAuth=0 heterogeneousPool=0 libDir= newPassword= noTimezoneCheck=0 poolIncrement=0 poolMaxSessions=100 poolMinSessions=0 poolSessionMaxLifetime=0s poolSessionTimeout=0s poolWaitTimeout=0s prelim=0 standaloneConnection=1 sysasm=0 sysdba=0 sysoper=0 timezone="
+}
+```
+
+## openGauss/MogDB/postgres
+
+```json
+{
+  "dsn": "application_name=mtk_postgres connect_timeout=5 dbname=postgres host=127.0.0.1 min_read_buffer_size=8388608 password=pwd port=5434 sslmode=disable user=gaussdb"
+}
+```
+
+## MySQL
+
+```json
+{
+  "dsn": "root:pwd@tcp(127.0.0.1:3306)/mysql?loc=Local&multiStatements=true&timeout=30s&maxAllowedPacket=1073741824&charset=utf8mb4"
+}
+```
+
+## DB2
+
+```json
+{
+  "dsn": "ClientApplName=MTK;ConnectTimeout=5;DATABASE=testdb;HOSTNAME=127.0.0.1;PORT=50000;PWD=pwd;ProgramName=MTK;UID=db2inst1;XMLDeclaration=0"
+}
+```
+
+## SQLServer
+
+```json
+{
+  "dsn": "sqlserver://sa:pwd@127.0.0.1:1433?app+name=mtk&connection+timeout=0&database=testdb"
+}
+```
diff --git a/product/en/docs-mtk/v2.0/mtk-oracle-to-openGauss.md b/product/en/docs-mtk/v2.0/mtk-oracle-to-openGauss.md
index 84dd280a150ec8741e527009353532bad0132155..b362af14b615481a93cd74893d64b54cec1e9830 100644
--- a/product/en/docs-mtk/v2.0/mtk-oracle-to-openGauss.md
+++ b/product/en/docs-mtk/v2.0/mtk-oracle-to-openGauss.md
@@ -15,13 +15,15 @@ date: 2021-03-04
 
 ## Oracle Migrate User Privilege
 
-The migration user must be able to access the DBA_/ALL_ view and query the migration table permissions.
+The migration user must be able to access the `DBA_*`/`ALL_*` view and query the migration table permissions.
 
 - connect
 - select any dictionary
 - select any table
 - select_catalog_role
 
+> MTK query the `DBA_*` view from 2.3.0 onwards, not the query `ALL_*` view.
+
 <br/>
 
 ## Comparison Between the MTK Type and the Oracle Type
@@ -92,6 +94,7 @@ The object type is from `OBJECT_TYPE` of `DBA_OBJECT`.
     - number interval                      -- invalid input syntax for type interval
 
   - openGauss does not support subpartitions.
+- The table of the materialized view does not migrate, the materialized view is migrated
 
 ### Empty string problem
 
@@ -309,6 +312,14 @@ select name name from dual      -- rewrite name as name
     )
     ```
 
+### 同义词
+
+Synonyms under DBLink are not migrated
+
+```sql
+SELECT OWNER,SYNONYM_NAME,TABLE_OWNER,TABLE_NAME FROM DBA_SYNONYMS WHERE DB_LINK IS NULL;
+```
+
 ### Spatial
 
 Migration Oracle Spatial object from Oracle database. There's some configuration directives that could be used to control the export.
diff --git a/product/en/docs-mtk/v2.0/mtk-usage.md b/product/en/docs-mtk/v2.0/mtk-usage.md
index a83b12adbd39ecf5e96b9fdb4287f0c3a6fb587b..af2a55c22081acec136026f1c85975602e6172eb 100644
--- a/product/en/docs-mtk/v2.0/mtk-usage.md
+++ b/product/en/docs-mtk/v2.0/mtk-usage.md
@@ -46,7 +46,7 @@ MTK supports three migration methods.
    |./mtk mig-tab-pre -c mtk.json|[mig-tab-post](commands/mtk-mig_tab-post)|
    |./mtk mig-tab-pre -c mtk.json|[mig-tab-other](commands/mtk-mig_tab-other)|
 
-3. Distribution migration
+3. Step-by-step migration
 
     The user controls the overall migration logic.
 
diff --git a/product/en/docs-mtk/v2.0/release-notes.md b/product/en/docs-mtk/v2.0/release-notes.md
index 03c02c55cee128e60d14b6bc7e6094e48fd10b62..4198346b98e1b9ca056ce5ac6b32fe8cddeb896b 100644
--- a/product/en/docs-mtk/v2.0/release-notes.md
+++ b/product/en/docs-mtk/v2.0/release-notes.md
@@ -7,6 +7,60 @@ date: 2021-09-13
 
 # Release Notes
 
+## v2.3.0
+
+### MTK
+
+- [mtk_2.3.0_darwin_amd64.tar.gz](https://cdn-mogdb.enmotech.com/mtk/v2.3.0/mtk_2.3.0_darwin_amd64.tar.gz)
+- [mtk_2.3.0_darwin_amd64_db2.tar.gz](https://cdn-mogdb.enmotech.com/mtk/v2.3.0/mtk_2.3.0_darwin_amd64_db2.tar.gz)
+- [mtk_2.3.0_darwin_arm64.tar.gz](https://cdn-mogdb.enmotech.com/mtk/v2.3.0/mtk_2.3.0_darwin_arm64.tar.gz)
+- [mtk_2.3.0_linux_amd64.tar.gz](https://cdn-mogdb.enmotech.com/mtk/v2.3.0/mtk_2.3.0_linux_amd64.tar.gz)
+- [mtk_2.3.0_linux_amd64_db2.tar.gz](https://cdn-mogdb.enmotech.com/mtk/v2.3.0/mtk_2.3.0_linux_amd64_db2.tar.gz)
+- [mtk_2.3.0_linux_arm64.tar.gz](https://cdn-mogdb.enmotech.com/mtk/v2.3.0/mtk_2.3.0_linux_arm64.tar.gz)
+- [mtk_2.3.0_windows_amd64.tar.gz](https://cdn-mogdb.enmotech.com/mtk/v2.3.0/mtk_2.3.0_windows_amd64.tar.gz)
+- [mtk_2.3.0_windows_amd64_db2.tar.gz](https://cdn-mogdb.enmotech.com/mtk/v2.3.0/mtk_2.3.0_windows_amd64_db2.tar.gz)
+- [mtk_checksums.txt](https://cdn-mogdb.enmotech.com/mtk/v2.3.0/mtk_checksums.txt)
+
+### MTKD
+
+- [mtkd_2.3.0_linux_amd64.tar.gz](https://cdn-mogdb.enmotech.com/mtk/v2.3.0/mtkd_2.3.0_linux_amd64.tar.gz)
+- [mtkd_2.3.0_linux_amd64_db2.tar.gz](https://cdn-mogdb.enmotech.com/mtk/v2.3.0/mtkd_2.3.0_linux_amd64_db2.tar.gz)
+- [mtkd_2.3.0_linux_arm64.tar.gz](https://cdn-mogdb.enmotech.com/mtk/v2.3.0/mtkd_2.3.0_linux_arm64.tar.gz)
+
+### Bug Fixes
+
+- **DB2:** Migration to MySQL object name contains spaces to the right, and the MTK automatically trim the space on the right
+- **DB2:** Migration to MySQL BLOB, TEXT, GEOMETRY or JSON column cannot define default values
+- **DB2:** Removes the DB2CODEPAGE environment variable force check
+- **MTKD:** Api interface returned 400 questions
+- **MTKD:** Modify `deleteUserId` to `deletedUserId`, `updateUserId` to 'updatedUserId`
+- **MySQL:** update syntax error issue
+- **MySQL:** Conversion `interval` syntax issue
+- **MySQL:** Chinese conversion issues
+- **MySQL:** There is no `begin/end` syntax issue with the function
+- **MySQL:** Conversion `join` syntax issue
+- **MySQL:** Conversion `convert` to `cast` syntax issues
+- **Oracle:** Conversion package to og package comment missing issue
+- **Oracle:** Migration to mySQL object name contains spaces to the right, and the MTK automatically trim the space on the right
+- **Oracle:** Conversion insert statement contains the `return` keyword problem
+- **Oracle:** There is no stored procedure name issue in package
+- **Oracle:** Parameter `colKeyWords` priority issue
+- **Oracle:** Stored procedure parameters with annotated issue
+
+### Code Refactoring
+
+- **MTK:** Survival object name method
+
+### Features
+
+- **DB2:** Support DB2 `date/time` column default `current date/time` to MySQL `current_date/time`
+- **MTKD:** Encrypted storage of passwords
+- **MySQL:** Supports converting comment `#` to `--`
+- **Oracle:** Replace the query view `all_` with the `dba_` view
+- **Oracle:** Supports converting Insert statements with aliases
+- **Oracle:** Supports converting Chinese symbol `（），`to English
+- **openGauss:** Remove parameter `check_function_bodies=off`
+
 ## v2.2.5
 
 2022-04-10
diff --git a/product/zh/docs-mtk/v2.0/commands/mtk_mig-select.md b/product/zh/docs-mtk/v2.0/commands/mtk_mig-select.md
index 80e6fc9fc8eae7f8fe878056ddb0eb2fe3b987e8..f1bfb87356b6dab98147d9bfd8b8107eb81488dc 100644
--- a/product/zh/docs-mtk/v2.0/commands/mtk_mig-select.md
+++ b/product/zh/docs-mtk/v2.0/commands/mtk_mig-select.md
@@ -4,6 +4,7 @@ summary: mtk mig-select
 author: mtk
 date: 2022-01-07
 ---
+<!-- markdownlint-disable MD010 -->
 ## mtk mig-select
 
 自定义查询语句进行数据迁移. 导出成csv或者迁移一张表
@@ -24,6 +25,9 @@ mtk mig-select [flags]
 
 # mig select to table
 ./mtk -c mtk.json --sql "select 1 as col1,sysdate as col2, 'aaa' as col3 from dual" --tabName schema1.table1
+
+# colName with spaces,tab, NBSP(Non-Breaking Space)
+./mkt -c mtk.json --sql 'select "ID" AS "ID","ID1" AS "ID1"," COL1 " AS "COL1","	COL2	" AS "	COL2","	COL 3	" AS "	COL 3","	KEY_RECNO        	" AS "	KEY_RECNO" FROM MTK1."TEST_TABLE_2020415 "'
 ```
 
 ### Options
diff --git a/product/zh/docs-mtk/v2.0/mtk-config.md b/product/zh/docs-mtk/v2.0/mtk-config.md
index ac6ee65c1ecb70c363ff4b07a78c25eaeed0f288..3a55be1f982eab77b1f3d058ae06f12bfe3b2544 100644
--- a/product/zh/docs-mtk/v2.0/mtk-config.md
+++ b/product/zh/docs-mtk/v2.0/mtk-config.md
@@ -864,6 +864,8 @@ Oracle查询语句中增加hint `/* +parallel(t,n) */`
 
 > schemas和tables参数互斥
 > 如果两个参数都填入了值，在执行MTK时会遇到“mtk-1002 schema and table cannot exist together”错误
+>
+> 没有定义迁移对象,则会报错 "not define Migrate object"
 
 ### schema
 
diff --git a/product/zh/docs-mtk/v2.0/mtk-db2-to-mysql.md b/product/zh/docs-mtk/v2.0/mtk-db2-to-mysql.md
index 51bece5595d8d9200df323fa6ecd7ada04f1787d..32d43f77412061510ac686d20d056935c26feea2 100644
--- a/product/zh/docs-mtk/v2.0/mtk-db2-to-mysql.md
+++ b/product/zh/docs-mtk/v2.0/mtk-db2-to-mysql.md
@@ -18,6 +18,10 @@ date: 2021-03-04
 
 ## 注意事项
 
+## 名称
+
+MySQL中表名、索引名、列名、约束名等不支持后缀带空格,mtk会自动截取右侧空格
+
 ### 空字符串和NULL问题
 
 Db2和MySQL一样, NULL != `''` 无需处理
@@ -412,6 +416,9 @@ hehel --> \x686568656c
 #### 列默认值
 
 - current timestamp -&gt; current_timestamp
+- date/time column
+  - MySQL 8.0.13 之前date/time列类型不支持默认值。
+  - MySQL 8.0.13 之后可以用括号括起来 (current_date)/(current_time)
 
 ### 约束
 
diff --git a/product/zh/docs-mtk/v2.0/mtk-dsn.md b/product/zh/docs-mtk/v2.0/mtk-dsn.md
index ff2052129dd27a1a5d91f74c8432afdabefcdfd3..bac785a1452641a939e1a8665be62d6f337355f3 100644
--- a/product/zh/docs-mtk/v2.0/mtk-dsn.md
+++ b/product/zh/docs-mtk/v2.0/mtk-dsn.md
@@ -7,7 +7,7 @@ date: 2021-03-04
 
 # 数据源(DSN)说明
 
-## Oracle Cloud Autonomous Database
+## Oracle
 
 通常使用中，MTK配置文件中无需配置dsn键值，而是直接配置host,port,user,password键值即可。
 
@@ -63,3 +63,41 @@ or
 [Go DRiver for Oracle User Guide](https://godror.github.io/godror/doc/connection.html)
 
 [Oracle Database 19c Easy Connect Plus Configurable Database Connection Syntax](https://download.oracle.com/ocomdocs/global/Oracle-Net-19c-Easy-Connect-Plus.pdf)
+
+```json
+{
+  "dsn": "user=system password=pwd connectString=\"(DESCRIPTION=(CONNECT_TIMEOUT = 5)(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST=127.0.0.1)(PORT=1521)))(CONNECT_DATA=(SERVER=DEDICATED)(SERVICE_NAME=mtk)))\" configDir= connectionClass=godror enableEvents=0 externalAuth=0 heterogeneousPool=0 libDir= newPassword= noTimezoneCheck=0 poolIncrement=0 poolMaxSessions=100 poolMinSessions=0 poolSessionMaxLifetime=0s poolSessionTimeout=0s poolWaitTimeout=0s prelim=0 standaloneConnection=1 sysasm=0 sysdba=0 sysoper=0 timezone="
+}
+```
+
+## openGauss/MogDB/postgres
+
+```json
+{
+  "dsn": "application_name=mtk_postgres connect_timeout=5 dbname=postgres host=127.0.0.1 min_read_buffer_size=8388608 password=pwd port=5434 sslmode=disable user=gaussdb"
+}
+```
+
+## MySQL
+
+```json
+{
+  "dsn": "root:pwd@tcp(127.0.0.1:3306)/mysql?loc=Local&multiStatements=true&timeout=30s&maxAllowedPacket=1073741824&charset=utf8mb4"
+}
+```
+
+## DB2
+
+```json
+{
+  "dsn": "ClientApplName=MTK;ConnectTimeout=5;DATABASE=testdb;HOSTNAME=127.0.0.1;PORT=50000;PWD=pwd;ProgramName=MTK;UID=db2inst1;XMLDeclaration=0"
+}
+```
+
+## SQLServer
+
+```json
+{
+  "dsn": "sqlserver://sa:pwd@127.0.0.1:1433?app+name=mtk&connection+timeout=0&database=testdb"
+}
+```
diff --git a/product/zh/docs-mtk/v2.0/mtk-oracle-to-openGauss.md b/product/zh/docs-mtk/v2.0/mtk-oracle-to-openGauss.md
index 45514dea2a09a789701315c30246ecbd43f9dd80..068985930d8778876474f33d03a38ce59efd2cd9 100644
--- a/product/zh/docs-mtk/v2.0/mtk-oracle-to-openGauss.md
+++ b/product/zh/docs-mtk/v2.0/mtk-oracle-to-openGauss.md
@@ -17,13 +17,15 @@ date: 2021-03-04
 
 ## Oracle迁移用户权限
 
-迁移用户必须能访问DBA_*/ALL_*视图和查询迁移表权限.
+迁移用户必须能访问`DBA_*`/`ALL_*`视图和查询迁移表权限.
 
 - connect
 - select any dictionary
 - select any table
 - select_catalog_role
 
+> MTK 从 2.3.0 以后访问 `DBA_*`视图,不在查询`ALL_*`视图.
+
 ## MTK Type 和oracle type 对应
 
 对应 `DBA_OBJECT` 里的 `OBJECT_TYPE`
@@ -87,6 +89,7 @@ date: 2021-03-04
     - number interval                      -- invalid input syntax for type interval
 
   - 子分区openGauss暂时不支持
+- 物化视图的表不迁移,迁移物化视图
 
 ### 空字符串和NULL问题
 
@@ -292,6 +295,14 @@ openGauss数据库系统列:
     )
     ```
 
+### 同义词
+
+不迁移DBLink下的同义词
+
+```sql
+SELECT OWNER,SYNONYM_NAME,TABLE_OWNER,TABLE_NAME FROM DBA_SYNONYMS WHERE DB_LINK IS NULL;
+```
+
 ### Spatial
 
 迁移 Oracle Spatial 以下参数可用
diff --git a/product/zh/docs-mtk/v2.0/mtk-usage.md b/product/zh/docs-mtk/v2.0/mtk-usage.md
index 4ef5c1101dfaf7b402cd181edd5209be5d3a8c23..98df04b44cbb6f67f5c28dba759a1a1f036101e9 100644
--- a/product/zh/docs-mtk/v2.0/mtk-usage.md
+++ b/product/zh/docs-mtk/v2.0/mtk-usage.md
@@ -46,7 +46,7 @@ MTK 支持三种迁移方式.
    |./mtk mig-tab-pre -c mtk.json|[mig-tab-post](commands/mtk-mig_tab-post)|
    |./mtk mig-tab-pre -c mtk.json|[mig-tab-other](commands/mtk-mig_tab-other)|
 
-3. 分布迁移
+3. 分步迁移
 
     用户自行控制迁移整体逻辑.
 
diff --git a/product/zh/docs-mtk/v2.0/release-notes.md b/product/zh/docs-mtk/v2.0/release-notes.md
index 08517baeddf8fb514f2e4b7a6f0f14af2f3b6011..4a35ffb7a02e7121390fa0dd5e50458c5b87752a 100644
--- a/product/zh/docs-mtk/v2.0/release-notes.md
+++ b/product/zh/docs-mtk/v2.0/release-notes.md
@@ -7,6 +7,62 @@ date: 2021-09-17
 
 # 发布记录
 
+## v2.3.0
+
+2022-04-19
+
+### MTK
+
+- [mtk_2.3.0_darwin_amd64.tar.gz](https://cdn-mogdb.enmotech.com/mtk/v2.3.0/mtk_2.3.0_darwin_amd64.tar.gz)
+- [mtk_2.3.0_darwin_amd64_db2.tar.gz](https://cdn-mogdb.enmotech.com/mtk/v2.3.0/mtk_2.3.0_darwin_amd64_db2.tar.gz)
+- [mtk_2.3.0_darwin_arm64.tar.gz](https://cdn-mogdb.enmotech.com/mtk/v2.3.0/mtk_2.3.0_darwin_arm64.tar.gz)
+- [mtk_2.3.0_linux_amd64.tar.gz](https://cdn-mogdb.enmotech.com/mtk/v2.3.0/mtk_2.3.0_linux_amd64.tar.gz)
+- [mtk_2.3.0_linux_amd64_db2.tar.gz](https://cdn-mogdb.enmotech.com/mtk/v2.3.0/mtk_2.3.0_linux_amd64_db2.tar.gz)
+- [mtk_2.3.0_linux_arm64.tar.gz](https://cdn-mogdb.enmotech.com/mtk/v2.3.0/mtk_2.3.0_linux_arm64.tar.gz)
+- [mtk_2.3.0_windows_amd64.tar.gz](https://cdn-mogdb.enmotech.com/mtk/v2.3.0/mtk_2.3.0_windows_amd64.tar.gz)
+- [mtk_2.3.0_windows_amd64_db2.tar.gz](https://cdn-mogdb.enmotech.com/mtk/v2.3.0/mtk_2.3.0_windows_amd64_db2.tar.gz)
+- [mtk_checksums.txt](https://cdn-mogdb.enmotech.com/mtk/v2.3.0/mtk_checksums.txt)
+
+### MTKD
+
+- [mtkd_2.3.0_linux_amd64.tar.gz](https://cdn-mogdb.enmotech.com/mtk/v2.3.0/mtkd_2.3.0_linux_amd64.tar.gz)
+- [mtkd_2.3.0_linux_amd64_db2.tar.gz](https://cdn-mogdb.enmotech.com/mtk/v2.3.0/mtkd_2.3.0_linux_amd64_db2.tar.gz)
+- [mtkd_2.3.0_linux_arm64.tar.gz](https://cdn-mogdb.enmotech.com/mtk/v2.3.0/mtkd_2.3.0_linux_arm64.tar.gz)
+
+### Bug Fixes
+
+- **DB2:** 迁移到 MySQL 对象名称右侧包含空格问题,MTK自动截取右侧空格
+- **DB2:** 迁移到 MySQL BLOB, TEXT, GEOMETRY or JSON column 不能包含默认值
+- **DB2:** 移除 DB2CODEPAGE 环境变量强制检查
+- **MTKD:** API 接口返回 400 问题
+- **MTKD:** 修改 `deleteUserId` 为 `deletedUserId`, `updateUserId` 为 `updatedUserId`
+- **MySQL:** update 语法错误问题
+- **MySQL:** 转换 `interval` 语法问题
+- **MySQL:** 中文转换问题
+- **MySQL:** 函数没有`begin/end`语法问题
+- **MySQL:** 转换`join`语法问题
+- **MySQL:** 转换 `convert` to `cast` 语法问题
+- **Oracle:** 转换 package to og package 注释缺失问题
+- **Oracle:** 迁移到 MySQL 对象名称右侧包含空格问题,MTK自动截取右侧空格
+- **Oracle:** 转换insert语句包含return关键字问题
+- **Oracle:** 转换包里存储过程end没有存储过程名称问题
+- **Oracle:** 参数 `colKeyWords` 优先级问题
+- **Oracle:** 存储过程参数带注释问题
+
+### Code Refactoring
+
+- **MTK:** 生存对象名称方法
+
+### Features
+
+- **DB2:** 支持 DB2 `date/time` column 默认值 `current date/time` to MySQL `current_date/time`
+- **MTKD:** 密码加密存储
+- **MySQL:** 转换注释 `#` to `--`
+- **Oracle:** 替换查询视图`all_`为`dba_`视图
+- **Oracle:** 支持转换Insert语句带别名
+- **Oracle:** 支持转换中文符号 `（），`为英文
+- **openGauss:** 移除参数`check_function_bodies=off`
+
 ## v2.2.5
 
 2022-04-10