diff --git a/xiaoguo_scanner.py b/xiaoguo_scanner.py
index 0907236..3407727 100644
--- a/xiaoguo_scanner.py
+++ b/xiaoguo_scanner.py
@@ -133,12 +133,20 @@ def search_news(code, max_results=3):
     return articles
 
 
-def has_substance(title, content):
-    """小果LLM判断是否有料（返回 True/False + 情感）"""
-    text = title + (content or '')[:100]
-    prompt = f"""新闻：{text}
-问：这条新闻跟该股今日上榜有关吗？
-回答格式：{"有关":"利好|利空|中性"} 或 "无关"
+def check_stock(code, name, articles):
+    """小果LLM判断这只股票是否有料（一次调用判断所有文章）"""
+    if not articles:
+        return None, None
+
+    lines = [f"{i+1}. {a['title']}" for i, a in enumerate(articles[:3])]
+    prompt = f"""以下是最新关于{name}({code})的新闻标题。
+该股今日上了人气热榜/技术榜单。
+
+新闻：
+{chr(10).join(lines)}
+
+这只股上榜是否跟这些新闻有关？有关的话是利好还是利空？
+回答格式：有关（利好|利空|中性） 或 无关
 回答："""
 
     payload = json.dumps({
@@ -153,14 +161,14 @@ def has_substance(title, content):
     try:
         resp = opener.open(req, timeout=30)
         reply = json.loads(resp.read())["choices"][0]["message"]["content"]
-        if "有关" in reply:
+        if "有关" in reply or "利好" in reply or "利空" in reply:
             for s in ["利好", "利空", "中性"]:
                 if s in reply:
                     return True, s
             return True, "中性"
     except:
         pass
-    return False, None
+    return None, None
 
 
 def main():
@@ -209,21 +217,19 @@ def main():
             continue
 
         has_found = False
-        for art in articles:
-            ok, sentiment = has_substance(art["title"], art.get("content", ""))
-            if ok:
-                # 有料 → 写入signal_news
-                conn.execute(
-                    "INSERT INTO signal_news (signal_id, sector, overall_sentiment, summary, key_articles, searched_stocks, source) "
-                    "VALUES (NULL, ?, ?, ?, ?, ?, 'xiaoguo')",
-                    (f"扫描-{name}", sentiment, f"[{sources}] {art['title'][:80]}",
-                     json.dumps([{"title": art["title"], "sentiment": sentiment, "summary": art.get("content","")[:100]}], ensure_ascii=False),
-                     json.dumps([name], ensure_ascii=False))
-                )
-                has_found = True
-                found_any = True
-                print(f"  ✅ {name}({code}) [{sources}] {sentiment}: {art['title'][:50]}", flush=True)
-                break  # 一只股有一条有料就够了
+        ok, sentiment = check_stock(code, name, articles)
+        if ok:
+            has_found = True
+            found_any = True
+            sources = "|".join(stock["sources"])
+            conn.execute(
+                "INSERT INTO signal_news (signal_id, sector, overall_sentiment, summary, key_articles, searched_stocks, source) "
+                "VALUES (NULL, ?, ?, ?, ?, ?, 'xiaoguo')",
+                (f"扫描-{name}", sentiment, f"[{sources}] {articles[0]['title'][:80]}",
+                 json.dumps([{"title": a["title"], "sentiment": sentiment, "summary": (a.get("content") or "")[:100]} for a in articles[:3]], ensure_ascii=False),
+                 json.dumps([name], ensure_ascii=False))
+            )
+            print(f"  ✅ {name}({code}) [{sources}] {sentiment}: {articles[0]['title'][:50]}", flush=True)
 
         mark_scanned(conn, code, name, has_found)