diff --git a/src/Snap.Hutao.Server/Snap.Hutao.Server/Controller/RoleCombatController.cs b/src/Snap.Hutao.Server/Snap.Hutao.Server/Controller/RoleCombatController.cs
index 87b00a7..6f1d6c6 100644
--- a/src/Snap.Hutao.Server/Snap.Hutao.Server/Controller/RoleCombatController.cs
+++ b/src/Snap.Hutao.Server/Snap.Hutao.Server/Controller/RoleCombatController.cs
@@ -88,13 +88,9 @@ public async Task<IActionResult> Upload([FromBody] SimpleRoleCombatRecord record
     }
 
     [HttpGet("Statistics")]
-    public IActionResult GetStatistics([FromQuery(Name = "Last")] bool last = false)
+    public IActionResult GetStatistics()
     {
         int scheduleId = RoleCombatScheduleId.GetForNow();
-        if (last)
-        {
-            scheduleId--;
-        }
 
         string key = $"RoleCombatStatistics:{scheduleId}";
         if (memoryCache.TryGetValue(key, out RoleCombatStatisticsItem? data))
diff --git a/src/Snap.Hutao.Server/Snap.Hutao.Server/Model/RoleCombat/RoleCombatStatisticsItem.cs b/src/Snap.Hutao.Server/Snap.Hutao.Server/Model/RoleCombat/RoleCombatStatisticsItem.cs
index 8749c82..ccaa2f1 100644
--- a/src/Snap.Hutao.Server/Snap.Hutao.Server/Model/RoleCombat/RoleCombatStatisticsItem.cs
+++ b/src/Snap.Hutao.Server/Snap.Hutao.Server/Model/RoleCombat/RoleCombatStatisticsItem.cs
@@ -7,7 +7,11 @@ namespace Snap.Hutao.Server.Model.RoleCombat;
 
 public sealed class RoleCombatStatisticsItem
 {
+    public int ScheduleId { get; set; }
+
     public int RecordTotal { get; set; }
 
+    public long Timestamp { get; set; }
+
     public List<ItemRate<uint, double>> BackupAvatarRates { get; set; } = default!;
 }
\ No newline at end of file
diff --git a/src/Snap.Hutao.Server/Snap.Hutao.Server/Service/RoleCombat/RoleCombatService.cs b/src/Snap.Hutao.Server/Snap.Hutao.Server/Service/RoleCombat/RoleCombatService.cs
index 884b8ba..113c757 100644
--- a/src/Snap.Hutao.Server/Snap.Hutao.Server/Service/RoleCombat/RoleCombatService.cs
+++ b/src/Snap.Hutao.Server/Snap.Hutao.Server/Service/RoleCombat/RoleCombatService.cs
@@ -47,7 +47,9 @@ public async Task RunAsync()
             int total = await Task.Run(() => RunCore(resultMap)).ConfigureAwait(false);
             RoleCombatStatisticsItem item = new()
             {
+                ScheduleId = RoleCombatScheduleId.GetForNow(),
                 RecordTotal = total,
+                Timestamp = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds(),
                 BackupAvatarRates = resultMap.Select(kvp => new Model.Legacy.ItemRate<uint, double>(kvp.Key, kvp.Value / (double)total)).ToList(),
             };