diff --git a/oauth/src/components/CommentForm.jsx b/oauth/src/components/CommentForm.jsx
index 634d954..50176ac 100644
--- a/oauth/src/components/CommentForm.jsx
+++ b/oauth/src/components/CommentForm.jsx
@@ -125,7 +125,7 @@ export default function CommentForm({ user, agent, onCommentPosted }) {
             disabled={loading || !text.trim()}
             className={`btn ${loading ? 'btn-outline' : 'btn-primary'}`}
           >
-            {loading ? 'posting...' : 'post comment'}
+            {loading ? 'posting...' : 'post'}
           </button>
         </div>
       </form>
diff --git a/oauth/src/hooks/useAskAI.js b/oauth/src/hooks/useAskAI.js
index c9526d8..34900e0 100644
--- a/oauth/src/hooks/useAskAI.js
+++ b/oauth/src/hooks/useAskAI.js
@@ -25,8 +25,12 @@ export function useAskAI(adminData, userProfile, agent) {
     try {
       logger.log('Sending question to Ollama:', question)
 
+      // ユーザー情報を含むシステムプロンプトを構築
+      const userInfo = userProfile ? `相手の名前は${userProfile.displayName || userProfile.handle}です。` : ''
+      const enhancedSystemPrompt = `${aiConfig.systemPrompt} ${userInfo}`
+
       // Ollamaに直接リクエスト送信（oauth_oldと同じ方式）
-      const prompt = `${aiConfig.systemPrompt}
+      const prompt = `${enhancedSystemPrompt}
 
 Question: ${question}