diff --git a/FreeSql.Tests/FreeSql.Tests/Issues/1137.cs b/FreeSql.Tests/FreeSql.Tests/Issues/1137.cs
new file mode 100644
index 00000000..6086f862
--- /dev/null
+++ b/FreeSql.Tests/FreeSql.Tests/Issues/1137.cs
@@ -0,0 +1,109 @@
+using System.Collections.Generic;
+using Xunit;
+
+namespace FreeSql.Tests.Issues
+{
+    public class _1137
+    {
+        [Fact]
+        public void ListContains()
+        {
+            using (var fsql = new FreeSqlBuilder()
+             .UseConnectionString(DataType.Sqlite, "data source=:memory:")
+             .UseGenerateCommandParameterWithLambda(true)
+             .Build())
+            {
+                fsql.Aop.ConfigEntityProperty += (s, e) =>
+                {
+                    if (e.Property.PropertyType.IsEnum)
+                        e.ModifyResult.MapType = typeof(int);
+                };
+                var listEnum = new List<UserType> { UserType.Client };
+                var sql = fsql.Select<User>().Where(a => listEnum.Contains(a.Type)).ToSql(a => a);
+                Assert.Equal(@"SELECT a.""Type"" as1 
+FROM ""User"" a 
+WHERE (((a.""Type"") in (1)))", sql);
+            }
+
+            using (var fsql = new FreeSqlBuilder()
+             .UseConnectionString(DataType.Sqlite, "data source=:memory:")
+             .UseGenerateCommandParameterWithLambda(true)
+             .Build())
+            {
+                fsql.CodeFirst.ConfigEntity<User>(a => { });
+                fsql.Aop.ConfigEntityProperty += (s, e) =>
+                {
+                    if (e.Property.PropertyType.IsEnum)
+                        e.ModifyResult.MapType = typeof(string);
+                };
+                var listEnum = new List<UserType> { UserType.Client };
+                var sql = fsql.Select<User>().Where(a => listEnum.Contains(a.Type)).ToSql(a => a);
+                Assert.Equal(@"SELECT a.""Type"" as1 
+FROM ""User"" a 
+WHERE (((a.""Type"") in ('Client')))", sql);
+            }
+
+            using (var fsql = new FreeSqlBuilder()
+                .UseConnectionString(FreeSql.DataType.MySql, "Data Source=127.0.0.1;Port=3306;User ID=root;Password=root;Initial Catalog=cccddd;Charset=utf8;SslMode=none;Max pool size=5;Allow User Variables=True")
+             .UseGenerateCommandParameterWithLambda(true)
+             .Build())
+            {
+                fsql.CodeFirst.Entity<User>(a => a.ToTable("issues1137_user"));
+                var listEnum = new List<UserType> { UserType.Client };
+                var sql = fsql.Select<User>().Where(a => listEnum.Contains(a.Type)).ToSql(a => a);
+                Assert.Equal(@"SELECT a.`Type` as1 
+FROM `issues1137_user` a 
+WHERE (((a.`Type`) in ('Client')))", sql);
+            }
+
+            using (var fsql = new FreeSqlBuilder()
+               .UseConnectionString(FreeSql.DataType.MySql, "Data Source=127.0.0.1;Port=3306;User ID=root;Password=root;Initial Catalog=cccddd;Charset=utf8;SslMode=none;Max pool size=5;Allow User Variables=True")
+            .UseGenerateCommandParameterWithLambda(true)
+            .Build())
+            {
+                fsql.CodeFirst.Entity<User>(a => a.ToTable("issues1137_user"));
+                fsql.Aop.ConfigEntityProperty += (s, e) =>
+                {
+                    if (e.Property.PropertyType.IsEnum)
+                        e.ModifyResult.MapType = typeof(int);
+                };
+                var listEnum = new List<UserType> { UserType.Client };
+                var sql = fsql.Select<User>().Where(a => listEnum.Contains(a.Type)).ToSql(a => a);
+                Assert.Equal(@"SELECT a.`Type` as1 
+FROM `issues1137_user` a 
+WHERE (((a.`Type`) in (1)))", sql);
+            }
+
+            using (var fsql = new FreeSqlBuilder()
+               .UseConnectionString(FreeSql.DataType.MySql, "Data Source=127.0.0.1;Port=3306;User ID=root;Password=root;Initial Catalog=cccddd;Charset=utf8;SslMode=none;Max pool size=5;Allow User Variables=True")
+            .UseGenerateCommandParameterWithLambda(true)
+            .Build())
+            {
+                fsql.CodeFirst.Entity<User>(a => a.ToTable("issues1137_user"));
+                fsql.Aop.ConfigEntityProperty += (s, e) =>
+                {
+                    if (e.Property.PropertyType.IsEnum)
+                        e.ModifyResult.MapType = typeof(string);
+                };
+                var listEnum = new List<UserType> { UserType.Client };
+                var sql = fsql.Select<User>().Where(a => listEnum.Contains(a.Type)).ToSql(a => a);
+                Assert.Equal(@"SELECT a.`Type` as1 
+FROM `issues1137_user` a 
+WHERE (((a.`Type`) in ('Client')))", sql);
+            }
+        }
+
+        public enum UserType
+        {
+            Client = 1,
+            Internal = 2
+        }
+        public class User
+        {
+            public UserType Type { get; set; }
+        }
+
+
+    }
+
+}
diff --git a/FreeSql/Internal/CommonExpression.cs b/FreeSql/Internal/CommonExpression.cs
index 72815953..1146d0b3 100644
--- a/FreeSql/Internal/CommonExpression.cs
+++ b/FreeSql/Internal/CommonExpression.cs
@@ -2058,6 +2058,14 @@ namespace FreeSql.Internal
             if (_common.CodeFirst.IsGenerateCommandParameterWithLambda && dbParams != null)
             {
                 if (obj == null) return "NULL";
+                if (mapColumn != null)
+                {
+                    var objType = obj.GetType();
+                    if (obj is ICollection && objType.GetGenericArguments().FirstOrDefault()?.NullableTypeOrThis() == mapColumn.CsType?.NullableTypeOrThis())
+                        return string.Format(CultureInfo.InvariantCulture, "{0}", _ado.AddslashesProcessParam(obj, mapType, mapColumn));
+                    if (obj is Array && objType.GetElementType()?.NullableTypeOrThis() == mapColumn.CsType?.NullableTypeOrThis())
+                        return string.Format(CultureInfo.InvariantCulture, "{0}", _ado.AddslashesProcessParam(obj, mapType, mapColumn));
+                }
                 var type = mapType ?? mapColumn?.Attribute.MapType ?? obj?.GetType();
                 if (_common.CodeFirst.GetDbInfo(type) != null)
                 {