diff --git a/FreeSql.Tests/FreeSql.Tests/MsAccess/MsAccessExpression/StringTest.cs b/FreeSql.Tests/FreeSql.Tests/MsAccess/MsAccessExpression/StringTest.cs
index e4639294..4a0a063a 100644
--- a/FreeSql.Tests/FreeSql.Tests/MsAccess/MsAccessExpression/StringTest.cs
+++ b/FreeSql.Tests/FreeSql.Tests/MsAccess/MsAccessExpression/StringTest.cs
@@ -1,4 +1,4 @@
-using FreeSql.DataAnnotations;
+锘縰sing FreeSql.DataAnnotations;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -66,7 +66,7 @@ namespace FreeSql.Tests.MsAccessExpression
         [Fact]
         public void Format()
         {
-            var item = g.msaccess.GetRepository<Topic>().Insert(new Topic { Clicks = 101, Title = "我是中国人101", CreateTime = DateTime.Parse("2020-7-5") });
+            var item = g.msaccess.GetRepository<Topic>().Insert(new Topic { Clicks = 101, Title = "鎴戞槸涓浗浜�101", CreateTime = DateTime.Parse("2020-7-5") });
             var sql = select.WhereDynamic(item).ToSql(a => new
             {
                 str = $"x{a.Id + 1}z-{a.CreateTime.ToString("yyyyMM")}{a.Title}",
@@ -89,9 +89,9 @@ WHERE (a.[Id] = {item.Id})", sql);
         [Fact]
         public void Format4()
         {
-            //3个 {} 时，Arguments 解析出来是分开的
-            //4个 {} 时，Arguments[1] 只能解析这个出来，然后里面是 NewArray []
-            var item = g.msaccess.GetRepository<Topic>().Insert(new Topic { Clicks = 101, Title = "我是中国人101", CreateTime = DateTime.Parse("2020-7-5") });
+            //3涓� {} 鏃讹紝Arguments 瑙ｆ瀽鍑烘潵鏄垎寮�鐨�
+            //4涓� {} 鏃讹紝Arguments[1] 鍙兘瑙ｆ瀽杩欎釜鍑烘潵锛岀劧鍚庨噷闈㈡槸 NewArray []
+            var item = g.msaccess.GetRepository<Topic>().Insert(new Topic { Clicks = 101, Title = "鎴戞槸涓浗浜�101", CreateTime = DateTime.Parse("2020-7-5") });
             var sql = select.WhereDynamic(item).ToSql(a => new
             {
                 str = $"x{a.Id + 1}z-{a.CreateTime.ToString("yyyyMM")}{a.Title}{a.Title}",
@@ -249,6 +249,17 @@ WHERE (a.[Id] = {item.Id})", sql);
             //SELECT a.`Id` as1, a.`Clicks` as2, a.`TypeGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a.`Title` as7, a.`CreateTime` as8
             //FROM `tb_topic` a, `TestTypeInfo` a__Type
             //WHERE((concat(a.`Title`, 'aaa')) LIKE concat('%', a__Type.`Name`, '%'))
+
+            var guid = Guid.NewGuid().ToString("N");
+            var fsql = g.msaccess;
+            fsql.Insert(new Topic
+            {
+                Title = $"Test{guid}Contains01"
+            }).ExecuteAffrows();
+
+            var ret = fsql.Select<Topic>().Where(a => a.Title.Contains(guid)).ToList();
+            Assert.NotEmpty(ret);
+            Assert.Equal($"Test{guid}Contains01", ret[0].Title);
         }
         [Fact]
         public void ToLower()
@@ -683,7 +694,7 @@ WHERE (a.[Id] = {item.Id})", sql);
         [Fact]
         public void Replace()
         {
-            //System.Data.OleDb.OleDbException : 表达式中 'replace' 函数未定义。
+            //System.Data.OleDb.OleDbException : 琛ㄨ揪寮忎腑 'replace' 鍑芥暟鏈畾涔夈��
             //var data = new List<object>();
             //data.Add(select.Where(a => a.Title.Replace("a", "b") == "aaa").ToList());
             //data.Add(select.Where(a => a.Title.Replace("a", "b").Replace("b", "c") == a.Title).ToList());