diff --git a/FreeSql.Tests/FreeSql.Tests/Sqlite/Curd/SqliteSelectTest.cs b/FreeSql.Tests/FreeSql.Tests/Sqlite/Curd/SqliteSelectTest.cs
index 8898e5a7..a71ff5cb 100644
--- a/FreeSql.Tests/FreeSql.Tests/Sqlite/Curd/SqliteSelectTest.cs
+++ b/FreeSql.Tests/FreeSql.Tests/Sqlite/Curd/SqliteSelectTest.cs
@@ -2250,6 +2250,12 @@ FROM ""TestTypeParentInfo_01"" a", asTableSubSql);
             Assert.Equal(2, g.sqlite.Select<ToUpd3Pk>().Where(a => a.name.StartsWith("name")).ToUpdate().Set(a => a.name, "nick?").ExecuteAffrows());
             Assert.Equal(5, g.sqlite.Select<ToUpd3Pk>().Count());
             Assert.Equal(5, g.sqlite.Select<ToUpd3Pk>().Where(a => a.name.StartsWith("nick")).Count());
+
+            var sql = g.sqlite.Select<ToUpd3Pk>().Where(a => a.name.StartsWith("name")).ToUpdate().Set(a => a.name, "nick?").Set(a => a.pk3, "pk3?").ToSql();
+            Assert.Equal(@"UPDATE ""ToUpd3Pk"" SET ""name"" = @p_0, ""pk3"" = @p_1 
+WHERE (""pk1"" || ',ftb_upd,' || ""pk2"" || ',ftb_upd,' || ""pk3"" in (select * from (SELECT a.""pk1"" || ',ftb_upd,' || a.""pk2"" || ',ftb_upd,' || a.""pk3"" as as1 
+FROM ""ToUpd3Pk"" a 
+WHERE ((a.""name"") LIKE 'name%')) ftb_upd))", sql);
         }
 
         [Fact]
diff --git a/Providers/FreeSql.Provider.SqlServer/SqlServerDbFirst.cs b/Providers/FreeSql.Provider.SqlServer/SqlServerDbFirst.cs
index 66c4d74c..eab58d30 100644
--- a/Providers/FreeSql.Provider.SqlServer/SqlServerDbFirst.cs
+++ b/Providers/FreeSql.Provider.SqlServer/SqlServerDbFirst.cs
@@ -289,6 +289,7 @@ where {1}
 ,a.is_nullable 'isnullable'
 ,a.is_identity 'isidentity'
 ,f.text as 'defaultvalue'
+,a.column_id as 'position'
 from sys.columns", loc8.ToString().Replace("a.table_name", "a.object_id"), @"
 left join syscomments f on f.id = a.default_object_id
 ");
@@ -301,13 +302,13 @@ left join syscomments f on f.id = a.default_object_id
 ,cast(0 as bit) 'isnullable'
 ,a.is_output 'isidentity'
 ,'' as 'defaultvalue'
+,1 as 'position'
 from sys.parameters", loc88.ToString().Replace("a.table_name", "a.object_id"), "");
                 }
                 sql = $"use [{db}];{sql};use [{olddatabase}]; ";
                 ds = _orm.Ado.ExecuteArray(CommandType.Text, sql);
                 if (ds == null) return loc1;
 
-                var position = 0;
                 foreach (object[] row in ds)
                 {
                     var table_id = string.Concat(row[0]);
@@ -320,6 +321,7 @@ from sys.parameters", loc88.ToString().Replace("a.table_name", "a.object_id"), "
                     var is_nullable = bool.Parse(string.Concat(row[7]));
                     var is_identity = bool.Parse(string.Concat(row[8]));
                     var defaultValue = string.Concat(row[9]);
+                    var position = int.Parse(string.Concat(row[10]));
                     if (max_length == 0) max_length = -1;
 
                     loc3[object_id].Add(column, new DbColumnInfo
@@ -334,7 +336,7 @@ from sys.parameters", loc88.ToString().Replace("a.table_name", "a.object_id"), "
                         Table = loc2[object_id],
                         Comment = comment,
                         DefaultValue = defaultValue,
-                        Position = ++position
+                        Position = position
                     });
                     loc3[object_id][column].DbType = this.GetDbType(loc3[object_id][column]);
                     loc3[object_id][column].CsType = this.GetCsTypeInfo(loc3[object_id][column]);