diff --git a/Falcon.SugarApi.Windows/System.cs b/Falcon.SugarApi.Windows/System.cs
index 30346c2..9273b94 100644
--- a/Falcon.SugarApi.Windows/System.cs
+++ b/Falcon.SugarApi.Windows/System.cs
@@ -2,6 +2,9 @@
 
 namespace Falcon.SugarApi.Windows
 {
+    /// <summary>
+    /// 系统类
+    /// </summary>
     public partial class System
     {
         [StructLayout(LayoutKind.Sequential)]