diff --git a/bin/deploy.sh b/bin/deploy.sh
index 200552c..7943a28 100644
--- a/bin/deploy.sh
+++ b/bin/deploy.sh
@@ -10,5 +10,22 @@ git config user.email "yohei@yasslab.jp"
 git add -f README.md
 git add -f instances.csv
 
-git commit --quiet -m    "Deploy from actions"
+# マージコミットメッセージから PR番号を抽出
+PR_NUMBER=$(git log -1 --pretty=%B | grep -oE '#[0-9]+' | head -1 || echo "")
+
+# コミットメッセージを動的に生成
+if [ -n "$PR_NUMBER" ]; then
+    COMMIT_MSG="Deploy from actions (PR $PR_NUMBER)"
+else
+    COMMIT_MSG="Deploy from actions"
+fi
+
+# 追加されたサーバー情報を取得（オプション）
+NEW_SERVERS=$(git diff --cached instances.csv | grep '^+' | grep -v '^+++' | cut -d',' -f1 | sed 's/^+//' | head -3 | paste -sd ', ' || echo "")
+
+if [ -n "$NEW_SERVERS" ]; then
+    COMMIT_MSG="$COMMIT_MSG - Added: $NEW_SERVERS"
+fi
+
+git commit --quiet -m    "$COMMIT_MSG"
 git push --force --quiet "${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}" master:gh-pages