diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index d8506ae..aa8fa0a 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -2,7 +2,7 @@ name: Build Stack-chan Firmware
 on: [push, pull_request]
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v3
         with:
diff --git a/.github/workflows/bundle.yml b/.github/workflows/bundle.yml
index 7918c70..cee8df6 100644
--- a/.github/workflows/bundle.yml
+++ b/.github/workflows/bundle.yml
@@ -1,14 +1,14 @@
 name: Bundle Stack-chan Firmware
-on: 
+on:
   push:
     branches:
-      - dev/v1.0
+      - main
   pull_request:
     branches:
-      - dev/v1.0
+      - main
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v3
         with:
@@ -19,7 +19,7 @@ jobs:
           git diff --quiet HEAD^ HEAD -- ./firmware/ || echo "::set-output name=diff_detected::true"
       - name: Cache build results
         id: cache
-        uses: actions/cache@v2
+        uses: actions/cache@v3
         with:
           path: ./firmware/stackchan/tech.moddable.stackchan
           key: ${{ github.sha }}
@@ -32,14 +32,14 @@ jobs:
         working-directory: ./firmware
       - name: Upload Firmware Bundle
         if: steps.diff_check.outputs.diff_detected || steps.cache.outputs.cache-hit != 'true'
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: firmware-bundle
           path: ./firmware/stackchan/tech.moddable.stackchan
 
   deploy:
     needs: build
-    if: github.event_name == 'push' && github.ref == 'refs/heads/dev/v1.0'
+    if: github.event_name == 'push' && github.ref == 'refs/heads/main'
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Pages Branch
@@ -47,7 +47,7 @@ jobs:
         with:
           ref: gh-pages
       - name: Download Firmware Bundle
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v4
         with:
           name: firmware-bundle
           path: ./firmware-bundle
@@ -62,4 +62,4 @@ jobs:
           git config --global user.email 'action@github.com'
           git add .
           git commit -m "Deploy firmware bundle from ${{ github.sha }}"
-          git push
+          git push
\ No newline at end of file
diff --git a/.github/workflows/schematics.yml b/.github/workflows/schematics.yml
deleted file mode 100644
index 13a122c..0000000
--- a/.github/workflows/schematics.yml
+++ /dev/null
@@ -1,54 +0,0 @@
-name: Generate Stack-chan Schematics Files
-on:
-  push:
-    paths:
-    - '**.kicad_sch'
-    - '**.kicad_pcb'
-    - '.github/workflows/schematics.yml'
-  pull_request:
-    paths:
-      - '**.kicad_sch'
-      - '**.kicad_pcb'
-      - '.github/workflows/schematics.yml'
-jobs:
-  build-schematics:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v3
-    - uses: INTI-CMNB/KiBot@v2_k7
-      with:
-        config: schematics/m5-pantilt/m5-pantilt.kibot.yaml
-        schema: schematics/m5-pantilt/m5-pantilt.kicad_sch
-        board: schematics/m5-pantilt/m5-pantilt.kicad_pcb
-        dir: generated
-    - name: Upload Results
-      uses: actions/upload-artifact@v2
-      with:
-        name: schematics-files
-        path: generated
-  deploy-schematics:
-    needs: build-schematics
-    if: github.event_name == 'push' && github.ref == 'refs/heads/dev/v1.0'
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout Pages Branch
-        uses: actions/checkout@v3
-        with:
-          ref: gh-pages
-      - name: Download Schematics Files
-        uses: actions/download-artifact@v2
-        with:
-          name: schematics-files
-          path: ./schematics-files
-      - name: Move Files
-        run: |
-          mkdir -p ./web/schematics
-          rm -rf ./web/schematics/*
-          mv schematics-files/* ./web/schematics
-      - name: Commit and Push
-        run: |
-          git config --global user.name 'GitHub Action'
-          git config --global user.email 'action@github.com'
-          git add .
-          git commit -m "Deploy schematics files from ${{ github.sha }}"
-          git push
diff --git a/firmware/mods/face_tracker/mod.js b/firmware/mods/face_tracker/mod.js
index 964cde7..3b3b05d 100644
--- a/firmware/mods/face_tracker/mod.js
+++ b/firmware/mods/face_tracker/mod.js
@@ -1,4 +1,3 @@
-
 /**
  * @brief face tracking mod with UnitV2
  * @param {*} robot
diff --git a/firmware/mods/look_around/mod.js b/firmware/mods/look_around/mod.js
index 6445767..898fbea 100644
--- a/firmware/mods/look_around/mod.js
+++ b/firmware/mods/look_around/mod.js
@@ -1,7 +1,6 @@
 import Timer from 'timer'
 import { randomBetween, asyncWait } from 'stackchan-util'
 
-
 export function onRobotCreated(robot) {
   let isFollowing = false
   robot.button.a.onChanged = function () {
diff --git a/firmware/mods/mimic_main/mod.js b/firmware/mods/mimic_main/mod.js
index 39747c9..0d7e00d 100644
--- a/firmware/mods/mimic_main/mod.js
+++ b/firmware/mods/mimic_main/mod.js
@@ -41,7 +41,10 @@ function onRobotCreated(robot) {
       service.txt['yaw'] = yaw
       service.txt['pitch'] = pitch
       mdns.update(service)
-      trace(yaw);trace(" ");trace(pitch);trace("\n\r");
+      trace(yaw)
+      trace(' ')
+      trace(pitch)
+      trace('\n\r')
     }
   }, 100)
 }
diff --git a/firmware/stackchan/ble/beacon-packet.ts b/firmware/stackchan/ble/beacon-packet.ts
index 4fb6d50..6a0a661 100644
--- a/firmware/stackchan/ble/beacon-packet.ts
+++ b/firmware/stackchan/ble/beacon-packet.ts
@@ -43,8 +43,8 @@ export class BeaconDataPacket {
         success: false,
         reason: 'invalid length',
       }
-    }else{
-	trace('${payload}')
+    } else {
+      trace('${payload}')
     }
     if (payload[0] !== 0x02 || payload[1] !== 0x15) {
       return {
diff --git a/firmware/stackchan/main.ts b/firmware/stackchan/main.ts
index 316125b..a62d21a 100644
--- a/firmware/stackchan/main.ts
+++ b/firmware/stackchan/main.ts
@@ -13,8 +13,7 @@ import { Renderer as SimpleRenderer } from 'simple-face'
 import { NetworkService } from 'network-service'
 import Touch from 'touch'
 import { loadPreferences, asyncWait } from 'stackchan-util'
-import TextDecoder from 'text/decoder' 
-
+import TextDecoder from 'text/decoder'
 
 function createRobot() {
   const decoder = new TextDecoder()
@@ -24,9 +23,7 @@ function createRobot() {
     ['voicevox', VoiceVoxTTS],
     ['elevenlabs', ElevenLabsTTS],
   ])
-  const renderers = new Map<string, new (param: unknown) => Renderer>([
-    ['simple', SimpleRenderer],
-  ])
+  const renderers = new Map<string, new (param: unknown) => Renderer>([['simple', SimpleRenderer]])
 
   // TODO: select driver/tts/renderer by mod
 
@@ -34,7 +31,7 @@ function createRobot() {
 
   // Servo Driver
   const driverPrefs = loadPreferences('driver')
-  const driverKey = "dynamixel"
+  const driverKey = 'dynamixel'
   const Driver = DynamixelDriver
 
   // TTS
@@ -47,7 +44,7 @@ function createRobot() {
   const rendererKey = rendererPrefs.type ?? 'simple'
   const Renderer = renderers.get(rendererKey)
 
-  if ( !TTS || !Renderer) {
+  if (!TTS || !Renderer) {
     for (const [key, klass] of [
       [ttsKey, TTS],
       [rendererKey, Renderer],
@@ -59,7 +56,6 @@ function createRobot() {
     throw new Error(errors.join('\n'))
   }
 
-
   const driver = new DynamixelDriver(driverPrefs)
   const renderer = new Renderer(rendererPrefs)
   const tts = new TTS(ttsPrefs)
diff --git a/firmware/stackchan/robot.ts b/firmware/stackchan/robot.ts
index abf0f9d..6a56f53 100644
--- a/firmware/stackchan/robot.ts
+++ b/firmware/stackchan/robot.ts
@@ -247,7 +247,7 @@ export class Robot {
     })
   }
 
-  decode(buffer){
+  decode(buffer) {
     return this.#decoder.decode(buffer)
   }