diff --git a/.vscode/setting.json b/.vscode/setting.json
deleted file mode 100644
index 74ed85e..0000000
--- a/.vscode/setting.json
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-  "editor.defaultFormatter": "esbenp.prettier-vscode", 
-  "editor.formatOnSave": true,
-  "prettier.tabWidth": 2
-}
diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..f211492
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,8 @@
+{
+  "editor.defaultFormatter": "esbenp.prettier-vscode", 
+  "editor.formatOnSave": true,
+  "prettier.tabWidth": 2,
+  "markdown.copyFiles.destination": {
+    "/README.md": "docs/imgs/",
+  }
+}
diff --git a/Makefile b/Makefile
index 21ac37a..d4b3090 100644
--- a/Makefile
+++ b/Makefile
@@ -32,11 +32,16 @@ up-prod:
 clean-up-prod: clean-build-prod up-prod
 
 build-restart-prod: clean-build-prod clean-restart-prod
+
 clean-restart-prod: down-prod up-prod
 
 down-prod:
 	@docker compose -f docker-compose.prod.yml down
 
+delete-branches:
+	git remote prune origin
+	git branch | xargs git branch -d
+
 install-psql-client:
 	@echo "Updating package lists..."
 	@sudo apt update
diff --git a/README.md b/README.md
index b183b3f..7cda93d 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # 日向坂46ペンライトクイズ
 
-2024年11月時点のメンバーで、日向坂46のペンライトの色の組み合わせを当てるクイズを作成しました。
+2024年11月時点のメンバーで、日向坂46のペンライトの色の組み合わせを当てるクイズを作成しました。  
 2024/11/28: PWA対応しました！スマホでも楽しめるのでぜひライブ前の暇つぶしにどうぞ！
 
 ![alt text](./docs/imgs/image.png)
diff --git a/view/public/manifest.json b/view/public/manifest.json
index 5d3b947..16ecc60 100644
--- a/view/public/manifest.json
+++ b/view/public/manifest.json
@@ -21,7 +21,7 @@
   "lang": "en-US",
   "description": "日向坂46のペンライトクイズです",
   "name": "日向坂46ペンライトクイズ",
-  "short_name": "日向坂ペンラクイズ",
+  "short_name": "ペンラクイズ",
   "start_url": "https://hnz.shaoba.tech",
   "scope": "https://hnz.shaoba.tech"
 }