diff --git a/.github/workflows/update-gh-pages.yml b/.github/workflows/update-gh-pages.yml
deleted file mode 100644
index 6aee8bc12..000000000
--- a/.github/workflows/update-gh-pages.yml
+++ /dev/null
@@ -1,19 +0,0 @@
-name: github pages
-
-on:
-  push:
-    branches:
-      - main
-
-jobs:
-  deploy:
-    runs-on: macos-14
-    steps:
-      - uses: actions/checkout@v3
-        with:
-          fetch-depth: 1
-          submodules: recursive
-      - name: update
-        env:
-          GH_PAGES_UPDATER_SECRET: ${{ secrets.GH_PAGES_UPDATER_SECRET }}
-        run: bash core/scripts/update-gh-pages.sh
diff --git a/.gitignore b/.gitignore
index 072595020..f6ca629dc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@
 .vscode
 *.tmp
 /public/build/
+/dist/
diff --git a/Makefile b/Makefile
index 3e6bad1c0..cf21243cc 100644
--- a/Makefile
+++ b/Makefile
@@ -4,8 +4,8 @@ all:
 rebuild:
 	make -C core rebuild
 
-update-public-build:
-	make -C core update-public-build
+update-dist:
+	make -C core update-dist
 
-server:
-	make -C core server
+preview-server:
+	make -C core preview-server
diff --git a/README.md b/README.md
index dac1ceacd..fc5326af0 100644
--- a/README.md
+++ b/README.md
@@ -83,7 +83,7 @@ Follow the steps below to create a PR and add your settings!
     Run local web server by the following command in Terminal.
 
     ```shell
-    make server
+    make preview-server
     ```
 
     Then open <http://localhost:8000>.
diff --git a/core b/core
index 816f57eeb..3745138ad 160000
--- a/core
+++ b/core
@@ -1 +1 @@
-Subproject commit 816f57eebba3241dd22f8be26fe9f5a611b19679
+Subproject commit 3745138ada6a6453c88bf15fb605c916d97ff8bc