diff --git a/IRaCIS.Core.API/_ServiceExtensions/SerilogSetup.cs b/IRaCIS.Core.API/_ServiceExtensions/SerilogSetup.cs
index 00cef4889..455fcf589 100644
--- a/IRaCIS.Core.API/_ServiceExtensions/SerilogSetup.cs
+++ b/IRaCIS.Core.API/_ServiceExtensions/SerilogSetup.cs
@@ -31,7 +31,7 @@ namespace IRaCIS.Core.API
                    .Enrich.FromLogContext()
                    .Filter.ByExcluding(logEvent => logEvent.Properties.ContainsKey("RequestPath") && logEvent.Properties["RequestPath"].ToString().Contains("/health"))
                    .WriteTo.Console()
-                   .WriteTo.File($"{AppContext.BaseDirectory}Serilogs/.log", rollingInterval: RollingInterval.Day);
+                   .WriteTo.File($"{AppContext.BaseDirectory}Serilogs/.log", rollingInterval: RollingInterval.Day,retainedFileCountLimit:60);
 
             #region 根据环境配置是否打开错误发送邮件通知