diff --git a/Models/DataSource.cs b/Models/DataSource.cs
index 2d12a97..7c2ed5d 100644
--- a/Models/DataSource.cs
+++ b/Models/DataSource.cs
@@ -93,7 +93,7 @@ namespace SunlightAggregationTerminal.Models
         public static List<NotificationItem> GetAllItems()
         {
             DataSet? data = AppModels.Select("select * from Notification Where Time > '" +           
-                DateTime.Now.AddDays(-30).ToString("yyyy-MM-dd HH:mm:ss.fff") + "'");
+                DateTime.Now.AddDays(-60).ToString("yyyy-MM-dd HH:mm:ss.fff") + "'");
 
             _NotificationData.Clear();
 
diff --git a/NotificationView/MessagePage.xaml.cs b/NotificationView/MessagePage.xaml.cs
index 117fc6c..1141e51 100644
--- a/NotificationView/MessagePage.xaml.cs
+++ b/NotificationView/MessagePage.xaml.cs
@@ -24,7 +24,7 @@ public partial class MessagePage : ContentPage
             MessageItems.Clear();
 
             // 按时间倒序，并只取最新的 50 条
-            var itemsToShow = allData.OrderByDescending(x => x.Time).Take(50).Where(x => x.Type == MsgType.Message);
+            var itemsToShow = allData.OrderByDescending(x => x.Time).Take(100).Where(x => x.Type == MsgType.Message);
 
             // 将数据添加到集合中，UI 会自动更新
             foreach (var item in itemsToShow)
diff --git a/NotificationView/NoticePage.xaml.cs b/NotificationView/NoticePage.xaml.cs
index bc89357..d889113 100644
--- a/NotificationView/NoticePage.xaml.cs
+++ b/NotificationView/NoticePage.xaml.cs
@@ -25,7 +25,7 @@ public partial class NoticePage : ContentPage
             NoticeItems.Clear();
 
             // 按时间倒序，并只取最新的 N 条（例如 50 条）
-            var itemsToShow = allData.OrderByDescending(x => x.Time).Take(50).Where(x => x.Type == MsgType.Notice);
+            var itemsToShow = allData.OrderByDescending(x => x.Time).Take(100).Where(x => x.Type == MsgType.Notice);
 
             // 将数据添加到集合中，UI 会自动更新
             foreach (var item in itemsToShow)
diff --git a/NotificationView/SystemPage.xaml.cs b/NotificationView/SystemPage.xaml.cs
index c2da81e..8dcdf85 100644
--- a/NotificationView/SystemPage.xaml.cs
+++ b/NotificationView/SystemPage.xaml.cs
@@ -24,7 +24,7 @@ public partial class SystemPage : ContentPage
             SystemItems.Clear();
 
             // 按时间倒序，并只取最新的 N 条（例如 50 条）
-            var itemsToShow = allData.OrderByDescending(x => x.Time).Take(50).Where(x => x.Type == MsgType.System);
+            var itemsToShow = allData.OrderByDescending(x => x.Time).Take(100).Where(x => x.Type == MsgType.System);
 
             // 将数据添加到集合中，UI 会自动更新
             foreach (var item in itemsToShow)