diff --git a/SqlSugar/Abstract/InsertableProvider/InsertableProvider.cs b/SqlSugar/Abstract/InsertableProvider/InsertableProvider.cs
index f2a8d1d75..f129cf7e3 100644
--- a/SqlSugar/Abstract/InsertableProvider/InsertableProvider.cs
+++ b/SqlSugar/Abstract/InsertableProvider/InsertableProvider.cs
@@ -75,6 +75,7 @@ namespace SqlSugar
 
         public IInsertable<T> Where(bool isInsertNull,bool isOffIdentity=false)
         {
+            this.IsOffIdentity = IsOffIdentity;
             if (this.InsertBuilder.LambdaExpressions == null)
                 this.InsertBuilder.LambdaExpressions = InstanceFactory.GetLambdaExpressions(this.Context.CurrentConnectionConfig);
             this.InsertBuilder.IsInsertNull = isInsertNull;
diff --git a/SqlSugar/Interface/Insertable.cs b/SqlSugar/Interface/Insertable.cs
index 7f0601586..9f0377ae4 100644
--- a/SqlSugar/Interface/Insertable.cs
+++ b/SqlSugar/Interface/Insertable.cs
@@ -15,7 +15,7 @@ namespace SqlSugar
         IInsertable<T> InsertColumns(Expression<Func<T, object>> columns);
         IInsertable<T> IgnoreColumns(Expression<Func<T, object>> columns);
         IInsertable<T> IgnoreColumns(Func<string,bool> ignoreColumMethod);
-        IInsertable<T> Where(bool isInsertNull);
+        IInsertable<T> Where(bool isInsertNull, bool isOffIdentity = false);
         KeyValuePair<string, List<SugarParameter>> ToSql();
         EntityInfo EntityInfo { get; set; }
     }