diff --git a/DatabaseImplement/Implements/UserStorage.cs b/DatabaseImplement/Implements/UserStorage.cs
index 59a8a2a..fdbdf0a 100644
--- a/DatabaseImplement/Implements/UserStorage.cs
+++ b/DatabaseImplement/Implements/UserStorage.cs
@@ -3,6 +3,7 @@ using Contracts.SearchModels;
 using Contracts.StorageContracts;
 using DatabaseImplement.Models;
 using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Diagnostics;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -21,7 +22,9 @@ namespace DatabaseImplement.Implements
 			}
 
 			var context = new Database();
-			var user = context.Users.FirstOrDefault(u => u.Equals(model));
+			var user = context.Users.FirstOrDefault(u =>
+				(model.Id.HasValue && u.Id == model.Id)
+				|| (!string.IsNullOrEmpty(u.Email) && u.Email.Contains(model.Email)));
 
 			if (user is null)
 			{
@@ -42,7 +45,9 @@ namespace DatabaseImplement.Implements
 			var context = new Database();
 			return context.Users
 				.Include(u => u.Role)
-				.FirstOrDefault(u => u.Equals(model))
+				.FirstOrDefault(u =>
+					(model.Id.HasValue && u.Id == model.Id)
+					|| (!string.IsNullOrEmpty(u.Email) && u.Email.Contains(model.Email)))
 				?.GetBindingModel();
 		}
 
@@ -60,7 +65,9 @@ namespace DatabaseImplement.Implements
 				return [];
 			}
 			return context.Users
-				.Where(u => u.Equals(model))
+				.Where(u =>
+					(model.Id.HasValue && u.Id == model.Id)
+					|| (!string.IsNullOrEmpty(u.Email) && u.Email.Contains(model.Email)))
 				.Include(u => u.Role)
 				.Select(r => r.GetBindingModel());
 		}
@@ -68,7 +75,12 @@ namespace DatabaseImplement.Implements
 		public UserBindingModel? Insert(UserBindingModel model)
 		{
 			var context = new Database();
-			var newUser = Models.User.ToUserFromBinding(model);
+			var role = context.Roles.FirstOrDefault(r => r.Id == model.Role.Id);
+			if (role is null)
+			{
+				return null;
+			}
+			var newUser = Models.User.ToUserFromBinding(model, role);
 
 			context.Users.Add(newUser);
 			context.SaveChanges();
@@ -80,15 +92,15 @@ namespace DatabaseImplement.Implements
 		{
 			var context = new Database();
 			var user = context.Users
-				.Include(u => u.Role)
 				.FirstOrDefault(u => u.Id == model.Id);
+			var role = context.Roles.FirstOrDefault(r => r.Id == model.Role.Id);
 
-			if (user is null)
+			if (user is null || role is null)
 			{
 				return null;
 			}
 
-			user.Update(model);
+			user.Update(model, role);
 
 			context.SaveChanges();
 			return user.GetBindingModel();
diff --git a/DatabaseImplement/Models/User.cs b/DatabaseImplement/Models/User.cs
index 00dcad9..a2f2ecf 100644
--- a/DatabaseImplement/Models/User.cs
+++ b/DatabaseImplement/Models/User.cs
@@ -43,17 +43,17 @@ namespace DatabaseImplement.Models
 			Role = Role?.GetBindingModel() ?? new()
 		};
 
-		public static User ToUserFromView(UserViewModel model) => new()
+		public static User ToUserFromView(UserViewModel model, Role role) => new()
 		{
 			Id = model.Id,
 			FirstName = model.FirstName,
 			SecondName = model.SecondName,
 			Email = model.Email,
 			Birthday = model.Birthday,
-			Role = Models.Role.ToRoleFromView(model.Role)
+			Role = role
 		};
 
-		public static User ToUserFromBinding(UserBindingModel model) => new()
+		public static User ToUserFromBinding(UserBindingModel model, Role role) => new()
 		{
 			Id = model.Id,
 			FirstName = model.FirstName,
@@ -61,10 +61,10 @@ namespace DatabaseImplement.Models
 			Email = model.Email,
 			PasswordHash = model.PasswordHash,
 			Birthday = model.Birthday,
-			Role = Models.Role.ToRoleFromBinding(model.Role)
+			Role = role
 		};
 
-		public void Update(UserBindingModel model)
+		public void Update(UserBindingModel model, Role role)
 		{
 			if (model is null)
 			{
@@ -76,20 +76,7 @@ namespace DatabaseImplement.Models
 			SecondName = model.SecondName;
 			PasswordHash = model.PasswordHash;
 			Birthday = model.Birthday;
-			Role = Models.Role.ToRoleFromBinding(model.Role);
-		}
-
-		public bool Equals(UserSearchModel model)
-		{
-			if (model.Id is null)
-			{
-				return Email.Contains(model.Email!);
-			}
-			if (string.IsNullOrWhiteSpace(model.Email))
-			{
-				return Id == model.Id;
-			}
-			return false;
+			Role = role;
 		}
 	}
 }
\ No newline at end of file