diff --git a/FreeSql.Tests/FreeSql.Tests/Sqlite/Curd/SqliteUpdateTest.cs b/FreeSql.Tests/FreeSql.Tests/Sqlite/Curd/SqliteUpdateTest.cs
index e13e0c0b..7089325b 100644
--- a/FreeSql.Tests/FreeSql.Tests/Sqlite/Curd/SqliteUpdateTest.cs
+++ b/FreeSql.Tests/FreeSql.Tests/Sqlite/Curd/SqliteUpdateTest.cs
@@ -69,6 +69,20 @@ namespace FreeSql.Tests.Sqlite
         {
             var sql = update.SetSource(new Topic { Id = 1, Title = "newtitle" }).IgnoreColumns(a => new { a.Clicks, a.CreateTime, a.TypeGuid }).ToSql().Replace("\r\n", "");
             Assert.Equal("UPDATE \"tb_topic\" SET \"Title\" = @p_0 WHERE (\"Id\" = 1)", sql);
+
+            sql = update.SetSource(new Topic { Id = 1, Title = "newtitle" }).IgnoreColumns(a => new object[] { a.Clicks, a.CreateTime, a.TypeGuid }).ToSql().Replace("\r\n", "");
+            Assert.Equal("UPDATE \"tb_topic\" SET \"Title\" = @p_0 WHERE (\"Id\" = 1)", sql);
+
+            sql = update.SetSource(new Topic { Id = 1, Title = "newtitle" }).IgnoreColumns(a => new[] { "Clicks", "CreateTime", "TypeGuid" }).ToSql().Replace("\r\n", "");
+            Assert.Equal("UPDATE \"tb_topic\" SET \"Title\" = @p_0 WHERE (\"Id\" = 1)", sql);
+
+            var cols = new[] { "Clicks", "CreateTime", "TypeGuid" };
+            sql = update.SetSource(new Topic { Id = 1, Title = "newtitle" }).IgnoreColumns(a => cols).ToSql().Replace("\r\n", "");
+            Assert.Equal("UPDATE \"tb_topic\" SET \"Title\" = @p_0 WHERE (\"Id\" = 1)", sql);
+
+            cols = new[] { "Clicks", "CreateTime", "TypeGuid" };
+            sql = update.SetSource(new Topic { Id = 1, Title = "newtitle" }).IgnoreColumns(cols).ToSql().Replace("\r\n", "");
+            Assert.Equal("UPDATE \"tb_topic\" SET \"Title\" = @p_0 WHERE (\"Id\" = 1)", sql);
         }
         [Fact]
         public void UpdateColumns()
diff --git a/FreeSql/Internal/CommonExpression.cs b/FreeSql/Internal/CommonExpression.cs
index d328c134..542e7859 100644
--- a/FreeSql/Internal/CommonExpression.cs
+++ b/FreeSql/Internal/CommonExpression.cs
@@ -341,19 +341,19 @@ namespace FreeSql.Internal
                 case ExpressionType.Lambda: return ExpressionSelectColumns_MemberAccess_New_NewArrayInit(_tables, (exp as LambdaExpression)?.Body, isQuoteName, getSelectGroupingMapString);
                 case ExpressionType.Convert: return ExpressionSelectColumns_MemberAccess_New_NewArrayInit(_tables, (exp as UnaryExpression)?.Operand, isQuoteName, getSelectGroupingMapString);
                 case ExpressionType.Constant: return new[] { ExpressionSelectColumn_MemberAccess(_tables, null, SelectTableInfoType.From, exp, isQuoteName, getSelectGroupingMapString) };
-                case ExpressionType.MemberAccess: return new[] { ExpressionSelectColumn_MemberAccess(_tables, null, SelectTableInfoType.From, exp, isQuoteName, getSelectGroupingMapString) };
+                case ExpressionType.MemberAccess: return ExpressionSelectColumn_MemberAccess(_tables, null, SelectTableInfoType.From, exp, isQuoteName, getSelectGroupingMapString).Trim('(', ')', '\'').Split(new[] { "','" }, StringSplitOptions.RemoveEmptyEntries);
                 case ExpressionType.New:
                     var newExp = exp as NewExpression;
                     if (newExp == null) break;
                     var newExpMembers = new string[newExp.Members.Count];
                     for (var a = 0; a < newExpMembers.Length; a++) newExpMembers[a] = ExpressionSelectColumn_MemberAccess(_tables, null, SelectTableInfoType.From, newExp.Arguments[a], isQuoteName, getSelectGroupingMapString);
-                    return newExpMembers;
+                    return newExpMembers.Distinct().Select(a => a.Trim('\'')).ToArray();
                 case ExpressionType.NewArrayInit:
                     var newArr = exp as NewArrayExpression;
                     if (newArr == null) break;
                     var newArrMembers = new List<string>();
                     foreach (var newArrExp in newArr.Expressions) newArrMembers.AddRange(ExpressionSelectColumns_MemberAccess_New_NewArrayInit(_tables, newArrExp, isQuoteName, getSelectGroupingMapString));
-                    return newArrMembers.ToArray();
+                    return newArrMembers.Distinct().Select(a => a.Trim('\'')).ToArray();
             }
             return new string[0];
         }