diff --git a/LFlow.VersionManagement/Model/VersionDto.cs b/LFlow.VersionManagement/Model/VersionDto.cs
index 56b0ab4..b92137f 100644
--- a/LFlow.VersionManagement/Model/VersionDto.cs
+++ b/LFlow.VersionManagement/Model/VersionDto.cs
@@ -37,6 +37,7 @@ public class VersionDto : IModel
     {
         get; set;
     }
+    #region 文件信息
     /// <summary>
     /// 文件名
     /// </summary>
@@ -47,7 +48,7 @@ public class VersionDto : IModel
     /// <summary>
     /// 文件大小
     /// </summary>
-    public string? FileSize
+    public double? FileSize
     {
         get; set;
     }
@@ -59,6 +60,14 @@ public class VersionDto : IModel
         get; set;
     }
     /// <summary>
+    /// 文件最后修改时间
+    /// </summary>
+    public DateTime LastModifyTime
+    {
+        get; set;
+    }
+    #endregion
+    /// <summary>
     /// 是否强制更新  
     /// </summary>
     public bool IsRequired
diff --git a/LFlow.VersionManagement/Model/VersionModel.cs b/LFlow.VersionManagement/Model/VersionModel.cs
index 06aa363..5412556 100644
--- a/LFlow.VersionManagement/Model/VersionModel.cs
+++ b/LFlow.VersionManagement/Model/VersionModel.cs
@@ -54,7 +54,7 @@ public class VersionModel : IDataModel
     /// <summary>
     /// 文件大小
     /// </summary>
-    public string? FileSize
+    public double? FileSize
     {
         get; set;
     }
@@ -66,6 +66,13 @@ public class VersionModel : IDataModel
         get; set;
     }
     /// <summary>
+    /// 文件最后修改时间
+    /// </summary>
+    public DateTime LastModifyTime
+    {
+        get; set;
+    }
+    /// <summary>
     /// 是否强制更新  
     /// </summary>
     public bool IsRequired