diff --git a/AsbCloudApp/Data/FluidDataDto.cs b/AsbCloudApp/Data/FluidDataDto.cs
index abf36da4..e296fcf5 100644
--- a/AsbCloudApp/Data/FluidDataDto.cs
+++ b/AsbCloudApp/Data/FluidDataDto.cs
@@ -2,32 +2,34 @@
 {
     public class FluidDataDto
     {
-        public string Temperature { get; set; }
-        public string Density { get; set; }
-        public string ConditionalViscosity { get; set; }
-        public string R300 { get; set; }
-        public string R600 { get; set; }
-        public string R3r6 { get; set; }
-        public string DnsDpa { get; set; }
-        public string PlasticViscocity { get; set; }
-        public string SnsDpa { get; set; }
-        public string R3r649С { get; set; }
-        public string Dns49Cdpa { get; set; }
-        public string PlasticViscocity49c { get; set; }
-        public string Sns49Cdpa { get; set; }
-        public string Mbt { get; set; }
-        public string Sand { get; set; }
-        public string Filtering { get; set; }
-        public string Crust { get; set; }
-        public string Ktk { get; set; }
-        public string Ph { get; set; }
-        public string Hardness { get; set; }
-        public string Chlorides { get; set; }
-        public string Pf { get; set; }
-        public string Mf { get; set; }
-        public string Pm { get; set; }
-        public string FluidSolidPhase { get; set; }
-        public string Grease { get; set; }
-        public string CalciumCarbonate { get; set; }
+        public int Key { get; set; }
+        public string Name { get; set; }
+        public double Temperature { get; set; }
+        public double Density { get; set; }
+        public double ConditionalViscosity { get; set; }
+        public double R300 { get; set; }
+        public double R600 { get; set; }
+        public double R3r6 { get; set; }
+        public double DnsDpa { get; set; }
+        public double PlasticViscocity { get; set; }
+        public double SnsDpa { get; set; }
+        public double R3r649С { get; set; }
+        public double Dns49Cdpa { get; set; }
+        public double PlasticViscocity49c { get; set; }
+        public double Sns49Cdpa { get; set; }
+        public double Mbt { get; set; }
+        public double Sand { get; set; }
+        public double Filtering { get; set; }
+        public double Crust { get; set; }
+        public double Ktk { get; set; }
+        public double Ph { get; set; }
+        public double Hardness { get; set; }
+        public double Chlorides { get; set; }
+        public double Pf { get; set; }
+        public double Mf { get; set; }
+        public double Pm { get; set; }
+        public double FluidSolidPhase { get; set; }
+        public double Grease { get; set; }
+        public double CalciumCarbonate { get; set; }
     }
 }
diff --git a/AsbCloudApp/Data/MudDiagramDataDto.cs b/AsbCloudApp/Data/MudDiagramDataDto.cs
index bd801445..ef3a81c4 100644
--- a/AsbCloudApp/Data/MudDiagramDataDto.cs
+++ b/AsbCloudApp/Data/MudDiagramDataDto.cs
@@ -2,6 +2,7 @@
 {
     public class MudDiagramDataDto
     {
+        public int Key { get; set; }
         public double ProbeNumber { get; set; }
         public double ProbeExtractionDepth { get; set; }
         public double Sandstone { get; set; }
@@ -13,7 +14,7 @@
         public double Clay { get; set; }
         public double Camstone { get; set; }
         public double Cement { get; set; }
-        public string Summary { get; set; }
+        public double Summary { get; set; }
         public double DrillingMud { get; set; }
         public double Sludge { get; set; }
         public double MaxSum { get; set; }
@@ -23,6 +24,6 @@
         public double Butane { get; set; }
         public double Pentane { get; set; }
         public double MechanicalSpeed { get; set; }
-        public string PreliminaryConclusion { get; set; }
+        public double PreliminaryConclusion { get; set; }
     }
 }
diff --git a/AsbCloudApp/Data/NnbDataDto.cs b/AsbCloudApp/Data/NnbDataDto.cs
index 8812e6a0..0d7b02e5 100644
--- a/AsbCloudApp/Data/NnbDataDto.cs
+++ b/AsbCloudApp/Data/NnbDataDto.cs
@@ -2,6 +2,7 @@
 {
     public class NnbDataDto
     {
+        public int Key { get; set; }
         public double Depth { get; set; }
         public double ZenithAngle { get; set; }
         public double TrueAzimuth { get; set; }
diff --git a/AsbCloudDb/Model/FluidData.cs b/AsbCloudDb/Model/FluidData.cs
index 3a2e5a9c..65aa41be 100644
--- a/AsbCloudDb/Model/FluidData.cs
+++ b/AsbCloudDb/Model/FluidData.cs
@@ -1,10 +1,9 @@
-using System.ComponentModel.DataAnnotations;
-using System.ComponentModel.DataAnnotations.Schema;
-
-namespace AsbCloudDb.Model
+namespace AsbCloudDb.Model
 {
     public class FluidData
     {
+        public int Key { get; set; }
+        public string Name { get; set; }
         public double Temperature { get; set; }
         public double Density { get; set; }
         public double ConditionalViscosity { get; set; }
diff --git a/AsbCloudDb/Model/MudDiagramData.cs b/AsbCloudDb/Model/MudDiagramData.cs
index 82dd39ad..666d4b3b 100644
--- a/AsbCloudDb/Model/MudDiagramData.cs
+++ b/AsbCloudDb/Model/MudDiagramData.cs
@@ -2,6 +2,7 @@
 {
     public class MudDiagramData
     {
+        public int Key { get; set; }
         public double ProbeNumber { get; set; }
         public double ProbeExtractionDepth { get; set; }
         public double Sandstone { get; set; }
diff --git a/AsbCloudDb/Model/NnbData.cs b/AsbCloudDb/Model/NnbData.cs
index 010ce917..7fdf09cb 100644
--- a/AsbCloudDb/Model/NnbData.cs
+++ b/AsbCloudDb/Model/NnbData.cs
@@ -2,6 +2,7 @@
 {
     public class NnbData
     {
+        public int Key { get; set; }
         public double Depth { get; set; }
         public double ZenithAngle { get; set; }
         public double TrueAzimuth { get; set; }
diff --git a/AsbCloudInfrastructure/Services/LastDataService.cs b/AsbCloudInfrastructure/Services/LastDataService.cs
index f9edceec..8b1a6799 100644
--- a/AsbCloudInfrastructure/Services/LastDataService.cs
+++ b/AsbCloudInfrastructure/Services/LastDataService.cs
@@ -3,10 +3,11 @@ using System.Linq;
 using AsbCloudDb.Model;
 using AsbCloudApp.Services;
 using Mapster;
+using System.Text.Json;
 
 namespace AsbCloudInfrastructure.Services
 {
-    public class LastDataService<Tdto, TModel> : ILastDataService<Tdto>
+    public class LastDataService<Tdto, TModel> : ILastDataService<Tdto> where Tdto : new()
     {
         private readonly IAsbCloudDbContext db;
 
@@ -21,9 +22,9 @@ namespace AsbCloudInfrastructure.Services
                 e.IdWell == idWell && e.IdCategory == idCategory);
 
             if (entity is null)
-                return default;
+                return new Tdto();
 
-            var dto = entity.Adapt<Tdto>();
+            var dto = JsonSerializer.Deserialize<Tdto>(entity.Data.ToString());
             return dto;
         }
 
diff --git a/AsbCloudWebApi/Controllers/LastDataController.cs b/AsbCloudWebApi/Controllers/LastDataController.cs
index 449c9166..27f8894d 100644
--- a/AsbCloudWebApi/Controllers/LastDataController.cs
+++ b/AsbCloudWebApi/Controllers/LastDataController.cs
@@ -25,8 +25,8 @@ namespace AsbCloudWebApi.Controllers
             if (idCompany is null || !wellService.IsCompanyInvolvedInWell((int)idCompany, idWell))
                 return Forbid();
 
-            lastDataService.Get(idWell, idCategory);
-            return Ok();
+            var result = lastDataService.Get(idWell, idCategory);
+            return Ok(result);
         }
 
         [HttpPost]