diff --git a/Polyclinic/PolyclinicDatabaseImplement/Models/CourseDiagnose.cs b/Polyclinic/PolyclinicDatabaseImplement/Models/CourseDiagnose.cs
index 5c8809f..36db203 100644
--- a/Polyclinic/PolyclinicDatabaseImplement/Models/CourseDiagnose.cs
+++ b/Polyclinic/PolyclinicDatabaseImplement/Models/CourseDiagnose.cs
@@ -9,7 +9,7 @@ namespace PolyclinicDatabaseImplement.Models
         public int CourseId { get; set; }
         [Required]
         public int DiagnoseId {  get; set; }
-        public virtual Course Course { get; set; } = new();
-        public virtual Diagnose Diagnose { get; set; } = new();
+        public virtual Course? Course { get; set; }
+        public virtual Diagnose? Diagnose { get; set; }
     }
 }
diff --git a/Polyclinic/PolyclinicDatabaseImplement/Models/Diagnose.cs b/Polyclinic/PolyclinicDatabaseImplement/Models/Diagnose.cs
index 42cda37..7848b38 100644
--- a/Polyclinic/PolyclinicDatabaseImplement/Models/Diagnose.cs
+++ b/Polyclinic/PolyclinicDatabaseImplement/Models/Diagnose.cs
@@ -17,7 +17,7 @@ namespace PolyclinicDatabaseImplement.Models
         public DateTime DateStartDiagnose { get; set; } = DateTime.Now;
         public DateTime? DateStopDiagnose { get; set; }
         public int Id { get; set; }
-        public virtual User User { get; set; } = new();
+        public virtual User? User { get; set; }
         
         public static Diagnose? Create(DiagnoseBindingModel? model)
         {
diff --git a/Polyclinic/PolyclinicDatabaseImplement/Models/Procedure.cs b/Polyclinic/PolyclinicDatabaseImplement/Models/Procedure.cs
index f9dfde2..a97c9c8 100644
--- a/Polyclinic/PolyclinicDatabaseImplement/Models/Procedure.cs
+++ b/Polyclinic/PolyclinicDatabaseImplement/Models/Procedure.cs
@@ -19,7 +19,7 @@ namespace PolyclinicDatabaseImplement.Models
         [Required]
         public DateTime DateStartProcedure { get; set; } = DateTime.Now;
         public DateTime? DateStopProcedure { get; set; }
-        public virtual User User { get; set; } = new();
+        public virtual User? User { get; set; }
 
         public string? Comment { get; set; } = string.Empty;
 
diff --git a/Polyclinic/PolyclinicDatabaseImplement/Models/RecipeProcedure.cs b/Polyclinic/PolyclinicDatabaseImplement/Models/RecipeProcedure.cs
index 86b5369..dee6a7d 100644
--- a/Polyclinic/PolyclinicDatabaseImplement/Models/RecipeProcedure.cs
+++ b/Polyclinic/PolyclinicDatabaseImplement/Models/RecipeProcedure.cs
@@ -9,7 +9,7 @@ namespace PolyclinicDatabaseImplement.Models
         public int ProcedureId { get; set; }
         [Required]
         public int RecipeId { get; set; }
-        public virtual Procedure Procedure { get; set; } = new();
-        public virtual Recipe Recipe { get; set; } = new();
+        public virtual Procedure? Procedure { get; set; }
+        public virtual Recipe? Recipe { get; set; }
     }
 }
diff --git a/Polyclinic/PolyclinicDatabaseImplement/Models/SymptomDiagnose.cs b/Polyclinic/PolyclinicDatabaseImplement/Models/SymptomDiagnose.cs
index 7d8a399..8d3566b 100644
--- a/Polyclinic/PolyclinicDatabaseImplement/Models/SymptomDiagnose.cs
+++ b/Polyclinic/PolyclinicDatabaseImplement/Models/SymptomDiagnose.cs
@@ -9,7 +9,7 @@ namespace PolyclinicDatabaseImplement.Models
         public int SymptomId { get; set; }
         [Required]
         public int DiagnoseId { get; set; }
-        public virtual Symptom Symptom { get; set; } = new();
-        public virtual Diagnose Diagnose { get; set; } = new();
+        public virtual Symptom? Symptom { get; set; }
+        public virtual Diagnose? Diagnose { get; set; }
     }
 }
diff --git a/Polyclinic/PolyclinicDatabaseImplement/Models/SymptomRecipe.cs b/Polyclinic/PolyclinicDatabaseImplement/Models/SymptomRecipe.cs
index 032ac33..4f758d0 100644
--- a/Polyclinic/PolyclinicDatabaseImplement/Models/SymptomRecipe.cs
+++ b/Polyclinic/PolyclinicDatabaseImplement/Models/SymptomRecipe.cs
@@ -9,7 +9,7 @@ namespace PolyclinicDatabaseImplement.Models
         public int SymptomId { get; set; }
         [Required]
         public int RecipeId { get; set; }
-        public virtual Symptom Symptom { get; set; } = new();
-        public virtual Recipe Recipe { get; set; } = new();
+        public virtual Symptom? Symptom { get; set; }
+        public virtual Recipe? Recipe { get; set; }
     }
 }
diff --git a/Polyclinic/PolyclinicWebAppImplementer/Views/Shared/_Layout.cshtml b/Polyclinic/PolyclinicWebAppImplementer/Views/Shared/_Layout.cshtml
index fa8f255..3550179 100644
--- a/Polyclinic/PolyclinicWebAppImplementer/Views/Shared/_Layout.cshtml
+++ b/Polyclinic/PolyclinicWebAppImplementer/Views/Shared/_Layout.cshtml
@@ -3,16 +3,16 @@
 <head>
     <meta charset="utf-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <title>
-        @if (ViewData.ContainsKey("SelectedSiteMenuItem"))
-        {
-            @ViewBag.SelectedSiteMenuItem.Item2
-        }
-        else if (ViewData.ContainsKey("Title"))
-        {
+    @if (ViewData.ContainsKey("Title"))
+    {
+        <title>
             @ViewData["Title"]
-        }
-    </title>
+        </title>
+    }
+    else
+    {
+        <title>Боликлиника</title>
+    }
     <link rel="stylesheet" href="~/lib/bootstrap/dist/css/bootstrap.min.css" />
     <link rel="stylesheet" href="~/css/site.css" asp-append-version="true" />
     <link rel="stylesheet" href="~/PolyclinicWebView.styles.css" asp-append-version="true" />
@@ -50,11 +50,14 @@
                             }
                         }
                     </ul>
-                    @if(LoginManager.LogginedUser != null)
+                    @if (LoginManager.LogginedUser != null)
                     {
-                        <form method="post" asp-action="Logout" asp-controller="User">
-                            <button class="btn btn-secondary" type="submit">Выйти</button>
-                        </form>
+                        <div class="d-flex align-items-center">
+                            @Html.RouteLink(LoginManager.LogginedUser.FIO, new { controller = "User", action = "Privacy" }, new { @title = "Личный кабинет" })
+                            <form class="ms-3" method="post" asp-action="Logout" asp-controller="User">
+                                <button class="btn btn-secondary" type="submit">Выйти</button>
+                            </form>
+                        </div>
                     }
                 </div>
             </div>