diff --git a/Developer.md b/Developer.md
index 6f9651d..de7bbc5 100644
--- a/Developer.md
+++ b/Developer.md
@@ -4,7 +4,7 @@ nav_exclude: true
 
 # Developer
 
-This article is written in internal, just for convenience.
+This article is written for internal use, just for convenience.
 
 ## All available title
 
@@ -34,12 +34,12 @@ This article is written in internal, just for convenience.
 
 ## Example link
 
-Sometime lazy to type all the url, so use special tag to mark.
+Sometimes lazy to type all the URL, so use the special tag to mark.
 
 E.g : 
 
 ```
-- Implement some feature. [karaoke](#32@andy840119)
+- Implement some features. [karaoke](#32@andy840119)
 ```
 
 Means :
diff --git a/content/changelog/2021.1030/index.md b/content/changelog/2021.1030/index.md
new file mode 100644
index 0000000..e386e58
--- /dev/null
+++ b/content/changelog/2021.1030/index.md
@@ -0,0 +1,35 @@
+---
+title: '2021.1030'
+date: 2021-10-30
+---
+
+## Achievement
+- Fix some outline performance issue, big thanks to [@Evast](https://github.com/EVAST9919)
+- Buy an M32Q monitor.
+
+## Editor
+- Fix `time-tag` position is wrong in `editor`. [karaoke](#869@andy840119)
+
+## Framework
+- Fix `frame-buffer` performance issue. [font-package](#65@andy840119)
+- Implement get shader instance directly by extension and adjust test case usage. [font-package](#66@andy840119)
+- Fix `outline shader` performance issue. [font-package](#68@EVAST9919)
+- Implement `pixel shader`. [font-package](#55#69@andy840119)
+- Make `internal shader` has its own class. [font-package](#70@andy840119)
+- Implement repeat moving background effect. [font-package](#72@andy840119)
+- Clean-up code. [font-package](#73@andy840119)
+
+## Gameplay
+- Move `SettingHUDOverlay` into `HUDOverlay`. [karaoke](#862#863@andy840119)
+- Fix some weird behavior in `setting config button`. [karaoke](#864@andy840119)
+- Fix practice mode broken. [karaoke](#868@andy840119)
+- Fix outline text cause performance issue. [karaoke](#871@andy840119)
+- Config section should be on the left side if the config button is on the left side. [karaoke](#873#876@andy840119)
+  ![](res/2021-10-30-09-32-20.png)
+- Adjust config style in gameplay by following the config style. [karaoke](#872#877@andy840119)
+
+## Setting
+- Should update button style by following new `setting overlay design`. [karaoke](#867@andy840119)
+
+## Testing
+- Fix import lyric test case broken. [karaoke](#878#879@andy840119)
\ No newline at end of file
diff --git a/content/changelog/2021.1030/res/2021-10-30-09-32-20.png b/content/changelog/2021.1030/res/2021-10-30-09-32-20.png
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