diff --git a/Src/Asp.Net/SqlSugar/Abstract/UpdateProvider/UpdateableProvider.cs b/Src/Asp.Net/SqlSugar/Abstract/UpdateProvider/UpdateableProvider.cs
index a95cf0596..bde749f82 100644
--- a/Src/Asp.Net/SqlSugar/Abstract/UpdateProvider/UpdateableProvider.cs
+++ b/Src/Asp.Net/SqlSugar/Abstract/UpdateProvider/UpdateableProvider.cs
@@ -99,6 +99,7 @@ namespace SqlSugar
             diffModel = new DiffLogModel();
             this.IsEnableDiffLogEvent = true;
             diffModel.BusinessData = businessData;
+            diffModel.DiffType = DiffType.update;
             return this;
         }
 
diff --git a/Src/Asp.Net/SqlSugar/Entities/DiffLogModel.cs b/Src/Asp.Net/SqlSugar/Entities/DiffLogModel.cs
index c549fb3f4..40f972d84 100644
--- a/Src/Asp.Net/SqlSugar/Entities/DiffLogModel.cs
+++ b/Src/Asp.Net/SqlSugar/Entities/DiffLogModel.cs
@@ -13,6 +13,7 @@ namespace SqlSugar
         public string Sql { get; set; }
         public TimeSpan? Time { get; set; }
         public object BusinessData { get; set; }
+        public DiffType DiffType { get; set; }
     }
     public class DiffLogTableInfo
     {
diff --git a/Src/Asp.Net/SqlSugar/Entities/DiffType.cs b/Src/Asp.Net/SqlSugar/Entities/DiffType.cs
new file mode 100644
index 000000000..08dc77a28
--- /dev/null
+++ b/Src/Asp.Net/SqlSugar/Entities/DiffType.cs
@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace SqlSugar
+{
+    public enum DiffType
+    {
+        insert=0,
+        update=1,
+        delete=2
+    }
+}
diff --git a/Src/Asp.Net/SqlSugar/SqlSugar.csproj b/Src/Asp.Net/SqlSugar/SqlSugar.csproj
index 4d63d644b..07182428d 100644
--- a/Src/Asp.Net/SqlSugar/SqlSugar.csproj
+++ b/Src/Asp.Net/SqlSugar/SqlSugar.csproj
@@ -79,6 +79,7 @@
     <Compile Include="Entities\ConditionalModel.cs" />
     <Compile Include="Entities\ConnMoreSettings.cs" />
     <Compile Include="Entities\DiffLogModel.cs" />
+    <Compile Include="Entities\DiffType.cs" />
     <Compile Include="Entities\MapperCache.cs" />
     <Compile Include="Entities\SlaveConnectionConfig.cs" />
     <Compile Include="Enum\ConditionalType.cs" />