diff --git a/Persistence.Client/Clients/IChangeLogClient.cs b/Persistence.Client/Clients/IChangeLogClient.cs
index dcbc9e2..06bbc4d 100644
--- a/Persistence.Client/Clients/IChangeLogClient.cs
+++ b/Persistence.Client/Clients/IChangeLogClient.cs
@@ -66,20 +66,18 @@ public interface IChangeLogClient
     /// <summary>
     /// Обновить одну запись
     /// </summary>
-    /// <param name="idDiscriminator"></param>
     /// <param name="dto"></param>
     /// <returns></returns>
-    [Put($"{BaseRoute}/{{idDiscriminator}}")]
-    Task<IApiResponse<int>> Update(Guid idDiscriminator, DataWithWellDepthAndSectionDto dto);
+    [Put($"{BaseRoute}")]
+    Task<IApiResponse<int>> Update(DataWithWellDepthAndSectionDto dto);
 
     /// <summary>
     /// Обновить несколько записей
     /// </summary>
-    /// <param name="idDiscriminator"></param>
     /// <param name="dtos"></param>
     /// <returns></returns>
-    [Put($"{BaseRoute}/range/{{idDiscriminator}}")]
-    Task<IApiResponse<int>> UpdateRange(Guid idDiscriminator, IEnumerable<DataWithWellDepthAndSectionDto> dtos);
+    [Put($"{BaseRoute}/range")]
+    Task<IApiResponse<int>> UpdateRange(IEnumerable<DataWithWellDepthAndSectionDto> dtos);
 
     /// <summary>
     /// Удалить одну запись
@@ -102,7 +100,7 @@ public interface IChangeLogClient
     /// </summary>
     /// <param name="idDiscriminator"></param>
     /// <returns></returns>
-    [Get($"{BaseRoute}/datesRange")]
+    [Get($"{BaseRoute}/datesRange/{{idDiscriminator}}")]
     Task<IApiResponse<DatesRangeDto?>> GetDatesRange(Guid idDiscriminator);
 
 }
diff --git a/Persistence.IntegrationTests/Controllers/ChangeLogControllerTest.cs b/Persistence.IntegrationTests/Controllers/ChangeLogControllerTest.cs
index 8fc572a..8c3b422 100644
--- a/Persistence.IntegrationTests/Controllers/ChangeLogControllerTest.cs
+++ b/Persistence.IntegrationTests/Controllers/ChangeLogControllerTest.cs
@@ -105,7 +105,7 @@ public class ChangeLogControllerTest : BaseIntegrationTest
         dto.DepthEnd = dto.DepthEnd + 10;
 
         // act
-        result = await client.Update(idDiscriminator, dto);
+        result = await client.Update(dto);
 
         // assert
         Assert.Equal(HttpStatusCode.OK, result.StatusCode);
@@ -143,7 +143,6 @@ public class ChangeLogControllerTest : BaseIntegrationTest
     {
         // arrange
         var count = 2;
-        var idDiscriminator = Guid.NewGuid();
         var dtos = Generate(count, DateTimeOffset.UtcNow);
         var entities = dtos.Select(d => d.Adapt<ChangeLog>()).ToArray();
         dbContext.ChangeLog.AddRange(entities);
@@ -159,7 +158,7 @@ public class ChangeLogControllerTest : BaseIntegrationTest
         }).ToArray();
 
         // act
-        var result = await client.UpdateRange(idDiscriminator, dtos);
+        var result = await client.UpdateRange(dtos);
 
         // assert
         Assert.Equal(HttpStatusCode.OK, result.StatusCode);
@@ -298,7 +297,7 @@ public class ChangeLogControllerTest : BaseIntegrationTest
             entity.DepthEnd = entity.DepthEnd + 10;
         }
         var dtos = entities.Select(e => e.Adapt<DataWithWellDepthAndSectionDto>()).ToArray();
-        await client.UpdateRange(idDiscriminator, dtos);
+        await client.UpdateRange(dtos);
 
         //act
         var dateBegin = DateTimeOffset.UtcNow.AddDays(daysBeforeNowFilter);
diff --git a/Persistence.Repository/Repositories/ChangeLogRepository.cs b/Persistence.Repository/Repositories/ChangeLogRepository.cs
index 78c2eba..53eba23 100644
--- a/Persistence.Repository/Repositories/ChangeLogRepository.cs
+++ b/Persistence.Repository/Repositories/ChangeLogRepository.cs
@@ -241,7 +241,9 @@ public class ChangeLogRepository : IChangeLogRepository
             .Select(group => new
             {
                 Min = group.Min(e => e.Creation),
-                Max = group.Max(e => (e.Creation > e.Obsolete ? e.Creation : e.Obsolete!.Value)),
+                Max = group.Max(e => (e.Obsolete.HasValue && e.Obsolete > e.Creation)
+                    ? e.Obsolete.Value
+                    : e.Creation),
             });
 
         var values = await query.FirstOrDefaultAsync(token);