diff --git a/app/chat/page.jsx b/app/chat/page.jsx
index 5a2e4bc..75f2590 100644
--- a/app/chat/page.jsx
+++ b/app/chat/page.jsx
@@ -210,7 +210,7 @@ function QuestionView({ question, onAnswer, questionIndex, total }) {
 
 // ── 主页面 ────────────────────────────────────────────────
 export default function ChatPage() {
-  const [stage, setStage] = useState('intro'); // intro | chat | loading | done
+  const [stage, setStage] = useState('intro'); // intro | chat | waiting | loading | done
   const [question, setQuestion] = useState('');
   const [qIndex, setQIndex] = useState(0);
   const [total, setTotal] = useState(30);
@@ -236,6 +236,7 @@ export default function ChatPage() {
   };
 
   const handleAnswer = async (answer) => {
+    setStage('waiting'); // 显示探索中
     try {
       const r = await fetch('/api/chat', {
         method: 'POST',
@@ -250,9 +251,11 @@ export default function ChatPage() {
       }
       setQuestion(d.reply);
       setQIndex((i) => i + 1);
+      setStage('chat');
     } catch {
       setQuestion('网络有点问题，我们继续。你刚才的回答我已经记住了。');
       setQIndex((i) => i + 1);
+      setStage('chat');
     }
   };
 
@@ -260,6 +263,22 @@ export default function ChatPage() {
     <>
       <Starfield />
       {stage === 'intro' && <Intro onDone={startChat} />}
+      {stage === 'waiting' && (
+        <div className="relative z-10 flex h-screen h-dvh items-center justify-center">
+          <div
+            className="text-base tracking-[0.3em] text-white/60"
+            style={{ animation: 'breathe 2.4s ease-in-out infinite' }}
+          >
+            探索中……
+          </div>
+          <style>{`
+            @keyframes breathe {
+              0%, 100% { opacity: 0.2; }
+              50% { opacity: 0.9; }
+            }
+          `}</style>
+        </div>
+      )}
       {stage === 'loading' && (
         <div className="relative z-10 flex h-screen h-dvh items-center justify-center">
           <div className="text-sm tracking-widest text-white/30 animate-pulse">正在连接...</div>
diff --git a/server.js b/server.js
index 0c56563..439f617 100644
--- a/server.js
+++ b/server.js
@@ -17,7 +17,7 @@ const opening = '开始前，我想先简单认识你一下。就像朋友聊天
 
 const questionBank = [
   '你今年大概在哪个年龄段？比如20岁以下、20-29、30-39这样。',
-  '你平时怎么称呼自己更舒服？',
+  '你是男生还是女生呀？',
   '你现在主要在做什么？上学、上班、自己做事，还是在休息调整？',
   '最近这几天，有没有一件小事让你心情变好？',
   '如果只说一件事，你现在最发愁的是什么？',
@@ -60,21 +60,25 @@ function loadSystemPrompt() {
 async function callAI(messages) {
   const key = process.env.YCAPIS_API_KEY;
   if (!key) return null;
-  const res = await fetch('https://ycapis.com/v1/chat/completions', {
-    method: 'POST',
-    headers: {
-      'Content-Type': 'application/json',
-      Authorization: `Bearer ${key}`,
-    },
-    body: JSON.stringify({
-      model: 'gpt-5.3-codex',
-      temperature: 0.7,
-      messages,
-    }),
-  });
-  if (!res.ok) return null;
-  const data = await res.json();
-  return data?.choices?.[0]?.message?.content || null;
+  try {
+    const res = await fetch('https://ycapis.com/v1/responses', {
+      method: 'POST',
+      headers: {
+        'Content-Type': 'application/json',
+        Authorization: `Bearer ${key}`,
+      },
+      body: JSON.stringify({
+        model: 'gpt-5.3-codex',
+        input: messages.map(m => ({ role: m.role, content: m.content })),
+        max_output_tokens: 300,
+      }),
+    });
+    if (!res.ok) return null;
+    const data = await res.json();
+    return data?.output?.[0]?.content?.[0]?.text || null;
+  } catch {
+    return null;
+  }
 }
 
 function previewReport(session) {
@@ -118,7 +122,7 @@ app.prepare().then(() => {
 
   server.post('/api/session/new', (req, res) => {
     const sessionId = `lgj_${Date.now().toString(36)}`;
-    sessions.set(sessionId, { index: 0, answers: [], skips: 0, prompt: loadSystemPrompt() });
+    sessions.set(sessionId, { index: 0, answers: [], questions: [], skips: 0, prompt: loadSystemPrompt() });
     res.json({ sessionId, opening, total: 30 });
   });
 
@@ -134,25 +138,28 @@ app.prepare().then(() => {
       s.index += 1;
     }
 
-    const done = s.index >= questionBank.length;
+    const done = s.index >= 30;
     if (done) {
       return res.json({ done: true, reply: '你已经完成全部对话。接下来我会为你生成专属灵镜报告。' });
     }
 
-    const progress = s.index > 0 && s.index % 5 === 0 ? `你已经完成第${Math.ceil(s.index / 6)}/5阶段了。` : '';
-    const bridge = userAnswer ? '我听懂了。' : '我们继续。';
-    const nextQ = questionBank[s.index];
-
-    let aiReply = `${bridge}${progress ? ` ${progress}` : ''} ${nextQ}`.trim();
+    const progress = s.index > 0 && s.index % 6 === 0 ? `（你已经完成第${Math.ceil(s.index / 6)}/5阶段了。）` : '';
 
+    // 全部交给AI动态生成，不用硬编码题库
     const ds = await callAI([
       { role: 'system', content: s.prompt },
       { role: 'assistant', content: opening },
-      ...s.answers.slice(-8).map((a) => ({ role: 'user', content: a })),
-      { role: 'user', content: `请按规则继续下一问。当前问题建议：${nextQ}` },
+      ...s.answers.flatMap((a, i) => [
+        { role: 'assistant', content: s.questions[i] || '' },
+        { role: 'user', content: a }
+      ]).filter(m => m.content),
+      { role: 'user', content: `[系统提示] 用户刚才回答了："${userAnswer}"。${progress}请用温暖口语接住他的回答，然后继续问下一个问题。注意：只问一个问题，用大白话，不用专业术语。当前已问第${s.index}题，共30题。` }
     ]);
 
-    if (ds) aiReply = ds;
+    const aiReply = ds || '嗯，我听到了。我们继续，你现在主要在做什么？上学、上班、还是在休整？';
+
+    // 记录AI问的问题
+    s.questions.push(aiReply);
 
     return res.json({ done: false, reply: aiReply, index: s.index + 1, total: 30 });
   });