diff --git a/web2/src/components/common/ChatPanel.tsx b/web2/src/components/common/ChatPanel.tsx
index 9442859..7f93557 100644
--- a/web2/src/components/common/ChatPanel.tsx
+++ b/web2/src/components/common/ChatPanel.tsx
@@ -285,9 +285,8 @@ export function ChatPanel({
   const [loading, setLoading] = useState(false)
   const [dynamicSamples, setDynamicSamples] = useState<string[]>(samples)
   const [refreshing, setRefreshing] = useState(false)
-  /** 当天热点问题池(从后端加载的全部问题)和当前批次起始索引 */
-  const [dailyPool, setDailyPool] = useState<string[]>([])
-  const [poolIndex, setPoolIndex] = useState(0)
+  /** 当天热点问题池(从后端加载 + AI 追加),用 ref 避免闭包旧值 */
+  const dailyPoolRef = useRef<string[]>([])
   const BATCH_SIZE = 12
 
   // ===== 2.0 新增:案卡状态 =====
@@ -411,8 +410,7 @@ export function ChatPanel({
     api.getDailyTopics(scene)
       .then((res) => {
         if (res.questions?.length > 0) {
-          setDailyPool(res.questions)
-          setPoolIndex(0)
+          dailyPoolRef.current = res.questions
           setDynamicSamples(res.questions.slice(0, BATCH_SIZE))
         }
       })
@@ -551,26 +549,15 @@ export function ChatPanel({
     }, answers.length > 0 ? answers : undefined)
   }
 
-  /** 换一批:优先从当天热点池轮换,池用完再调 AI 生成(注入用户画像) */
+  /** 换一批:每次都调 AI 生成(注入用户画像),新问题追加到池中 */
   const handleRefreshSamples = async () => {
-    // 池里还有未展示的,直接取下一批
-    const nextIndex = poolIndex + BATCH_SIZE
-    if (nextIndex < dailyPool.length) {
-      setPoolIndex(nextIndex)
-      setDynamicSamples(dailyPool.slice(nextIndex, nextIndex + BATCH_SIZE))
-      return
-    }
-    // 池用完,调 AI 生成新问题
     setRefreshing(true)
     try {
       const phone = getPhone() || undefined
       const res = await api.generateSamples(scene, topic, dynamicSamples, phone)
       if (res.samples?.length > 0) {
-        // AI 生成的新问题加入池并显示
-        const newPool = [...dailyPool, ...res.samples]
-        const newIndex = dailyPool.length
-        setDailyPool(newPool)
-        setPoolIndex(newIndex)
+        // 新问题追加到池末尾并显示
+        dailyPoolRef.current = [...dailyPoolRef.current, ...res.samples]
         setDynamicSamples(res.samples)
       }
     } catch {