diff --git a/docs/main/change_log/sdk/0-9.md b/docs/main/change_log/sdk/0-9.md
index b9eabcb..5b66147 100644
--- a/docs/main/change_log/sdk/0-9.md
+++ b/docs/main/change_log/sdk/0-9.md
@@ -1,6 +1,17 @@
-# DR sdk 0.9.0.0
+# DR SDK 0.9.x 更新日志
 
-## Changes
+## DR sdk 0.9.1.0 (草稿)
+
+### Dependency
+
+- 去掉了 `tomlkit`, 改为 `tomli_w`
+  - 真好用
+  - Remove `tomlkit`, change to `tomli_w`
+  - Really good
+
+## DR sdk 0.9.0.0
+
+### Changes
 
 - `api.screen.BaseScreen`
   - `on_draw`
@@ -8,35 +19,35 @@
     - `dt` 为上一帧到这一帧的时间间隔
     - `dt` is the time interval from the last frame to this frame
 
-## Rename
+### Rename
 
 - `Api_version` -> `api_version`
 - `_DR_Status` -> `_DRStatus`
   - `name` = `DR Option` -> `DR Status`
   - 这毛病属实是没想到, 之前一直没发现
 
-## Rework
+### Rework
 
 - 将 `logging` 的依赖改为 `lib_not_dr.loggers`
   - 以后都用 `lib_not_dr` 的 logger 了
   - Change the dependency of `logging` to `lib_not_dr.loggers`
   - Use `lib_not_dr` logger in the future
 
-## Add
+### Add
 
 - 添加内置依赖: `lib-not-dr`
   - Added built-in dependency: `lib-not-dr`
   - 不再同时维护两份代码
   - No longer maintain two sets of code at the same time
 
-## Fix
+### Fix
 
 - 如果没有 DR_game 的情况下, 退出时会 join 控制台线程
   - 通过检测线程是否是守护线程来判断是否 join
   - If there is no DR_game, join the console thread when exiting
     - Determine whether to join by detecting whether the thread is a daemon thread
 
-## Dependency
+### Dependency
 
 - 更新了所有的依赖版本号
   - 去看 `requirements.txt` 吧