fix: 换一批第3次卡住问题,修正池索引计算

web2/src/components/common/ChatPanel.tsx

@@ -555,7 +555,7 @@ export function ChatPanel({
   const handleRefreshSamples = async () => {
     // 池里还有未展示的,直接取下一批
     const nextIndex = poolIndex + BATCH_SIZE
-    if (dailyPool.length > 0 && nextIndex < dailyPool.length) {
+    if (nextIndex < dailyPool.length) {
       setPoolIndex(nextIndex)
       setDynamicSamples(dailyPool.slice(nextIndex, nextIndex + BATCH_SIZE))
       return
@@ -566,10 +566,12 @@ export function ChatPanel({
       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)
         setDynamicSamples(res.samples)
-        // AI 生成的新问题加入池,重置索引
-        setDailyPool(prev => [...prev, ...res.samples])
-        setPoolIndex(dailyPool.length)
       }
     } catch {
       toast.error('换一批失败,请稍后重试')