diff --git a/frontend/src/pages/News.jsx b/frontend/src/pages/News.jsx
index ba60306..4f3abbc 100644
--- a/frontend/src/pages/News.jsx
+++ b/frontend/src/pages/News.jsx
@@ -82,11 +82,13 @@ export default function News() {
       const headers = token ? { Authorization: `Bearer ${token}` } : {}
       
       // 构建URL参数
-      let url = `${API_BASE}/api/information/list?info_type=${type}&page=${currentPage}&page_size=50`
+      let url = `${API_BASE}/api/information/list?info_type=${type}`
       
-      // 如果是成交行情tab，添加日期过滤
+      // 如果是成交行情tab，获取当天所有数据（不分页）
       if (activeTab === 'deal' && dealDate) {
-        url += `&deal_date=${dealDate}`
+        url += `&deal_date=${dealDate}&page_size=500`
+      } else {
+        url += `&page=${currentPage}&page_size=50`
       }
       
       const res = await fetch(url, { headers })