diff --git a/CaseAccounting/CaseAccountingBusinessLogics/BusinessLogics/CaseLogic.cs b/CaseAccounting/CaseAccountingBusinessLogics/BusinessLogics/CaseLogic.cs
index d4f6ae9..f18fee6 100644
--- a/CaseAccounting/CaseAccountingBusinessLogics/BusinessLogics/CaseLogic.cs
+++ b/CaseAccounting/CaseAccountingBusinessLogics/BusinessLogics/CaseLogic.cs
@@ -76,6 +76,11 @@ namespace CaseAccountingBusinessLogic.BusinessLogics
             return list;
         }
 
+        public List<SpecializationCasesViewModel> GetSpecializationCases()
+        {
+            return _caseStorage.GetSpecializationCases() ?? new List<SpecializationCasesViewModel>();
+        }
+
         public bool Update(CaseBindingModel model)
         {
             CheckModel(model);
diff --git a/CaseAccounting/CaseAccountingContracts/BusinessLogicContracts/ICaseLogic.cs b/CaseAccounting/CaseAccountingContracts/BusinessLogicContracts/ICaseLogic.cs
index 61eba68..9e315a0 100644
--- a/CaseAccounting/CaseAccountingContracts/BusinessLogicContracts/ICaseLogic.cs
+++ b/CaseAccounting/CaseAccountingContracts/BusinessLogicContracts/ICaseLogic.cs
@@ -16,5 +16,6 @@ namespace CaseAccountingContracts.BusinessLogicContracts
         bool Create(CaseBindingModel model);
         bool Update(CaseBindingModel model);
         bool Delete(CaseBindingModel model);
+        List<SpecializationCasesViewModel> GetSpecializationCases();
     }
 }
diff --git a/CaseAccounting/CaseAccountingContracts/StoragesContracts/ICaseStorage.cs b/CaseAccounting/CaseAccountingContracts/StoragesContracts/ICaseStorage.cs
index 9570d06..a119f8c 100644
--- a/CaseAccounting/CaseAccountingContracts/StoragesContracts/ICaseStorage.cs
+++ b/CaseAccounting/CaseAccountingContracts/StoragesContracts/ICaseStorage.cs
@@ -19,5 +19,6 @@ namespace CaseAccountingContracts.StoragesContracts
         CaseViewModel? Delete(CaseBindingModel model);
 
         List<HearingViewModel> GetCaseHearings(CaseSearchModel model);
+        List<SpecializationCasesViewModel>? GetSpecializationCases();
     }
 }
diff --git a/CaseAccounting/CaseAccountingContracts/ViewModels/SpecializationCasesViewModel.cs b/CaseAccounting/CaseAccountingContracts/ViewModels/SpecializationCasesViewModel.cs
new file mode 100644
index 0000000..ec5af5a
--- /dev/null
+++ b/CaseAccounting/CaseAccountingContracts/ViewModels/SpecializationCasesViewModel.cs
@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CaseAccountingContracts.ViewModels
+{
+    public class SpecializationCasesViewModel
+    {
+        public int Count { get; set; }
+        public string Name { get; set; } = string.Empty;
+    }
+}
diff --git a/CaseAccounting/CaseAccountingDataBaseImplement/Implements/CaseStorage.cs b/CaseAccounting/CaseAccountingDataBaseImplement/Implements/CaseStorage.cs
index 1aefcda..c665ae2 100644
--- a/CaseAccounting/CaseAccountingDataBaseImplement/Implements/CaseStorage.cs
+++ b/CaseAccounting/CaseAccountingDataBaseImplement/Implements/CaseStorage.cs
@@ -185,5 +185,22 @@ namespace CaseAccountingDataBaseImplement.Implements
             return hearings;
         }
 
+        public List<SpecializationCasesViewModel>? GetSpecializationCases()
+        {
+            using var context = new CaseAccountingDatabase();
+            var result = context.Specializations
+                .GroupJoin(
+                    context.Cases,
+                    status => status.Id,
+                    caseModel => caseModel.SpecializationId,
+                    (status, caseModels) => new SpecializationCasesViewModel
+                    {
+                        Name = status.Name,
+                        Count = caseModels.Count()
+                    })
+                .ToList();
+
+            return result;
+        }
     }
 }
diff --git a/CaseAccounting/CaseAccountingProviderView/Controllers/CaseController.cs b/CaseAccounting/CaseAccountingProviderView/Controllers/CaseController.cs
index b8a7fbb..59afe56 100644
--- a/CaseAccounting/CaseAccountingProviderView/Controllers/CaseController.cs
+++ b/CaseAccounting/CaseAccountingProviderView/Controllers/CaseController.cs
@@ -129,5 +129,15 @@ namespace CaseAccountingProviderView.Controllers
 			List<SpecializationViewModel>? specializationModel = APIUser.GetRequest<List<SpecializationViewModel>>($"api/case/getallspecializations");
 			return specializationModel ?? new();
 		}
-	}
+
+        public List<SpecializationCasesViewModel> GetSpecializationCases()
+        {
+            if (APIUser.User == null)
+            {
+                return new();
+            }
+            List<SpecializationCasesViewModel>? specializationCases = APIUser.GetRequest<List<SpecializationCasesViewModel>>($"api/case/getspecializationcases");
+            return specializationCases ?? new();
+        }
+    }
 }
diff --git a/CaseAccounting/CaseAccountingProviderView/Controllers/HomeController.cs b/CaseAccounting/CaseAccountingProviderView/Controllers/HomeController.cs
index 108f168..f94615e 100644
--- a/CaseAccounting/CaseAccountingProviderView/Controllers/HomeController.cs
+++ b/CaseAccounting/CaseAccountingProviderView/Controllers/HomeController.cs
@@ -40,6 +40,11 @@ namespace CaseAccountingProviderView.Controllers
             return View();
         }
 
+        public IActionResult Diagram()
+        {
+            return View();
+        }
+
         [HttpPost]
         public int[]? SpecializationCaselist([FromBody] CaseSpecializationListBindingModel listModel)
         {
diff --git a/CaseAccounting/CaseAccountingProviderView/Views/Home/Diagram.cshtml b/CaseAccounting/CaseAccountingProviderView/Views/Home/Diagram.cshtml
new file mode 100644
index 0000000..a125855
--- /dev/null
+++ b/CaseAccounting/CaseAccountingProviderView/Views/Home/Diagram.cshtml
@@ -0,0 +1,15 @@
+
+<div class="text-center">
+	<h1 class="display-4">Круговая диаграмма</h1>
+</div>
+
+<div class="container">
+	<button class="btn btn-success mt-4" id="btnStatus">Статистика по специализации дел</button>
+	<div class="container col-8 mt-4">
+		<canvas id="myChart"></canvas>
+	</div>
+</div>
+
+
+<script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
+<script src="~/js/diagram/diagram.js" asp-append-version="true"></script>
diff --git a/CaseAccounting/CaseAccountingProviderView/Views/Shared/_Layout.cshtml b/CaseAccounting/CaseAccountingProviderView/Views/Shared/_Layout.cshtml
index 7a2155b..e3fdc9e 100644
--- a/CaseAccounting/CaseAccountingProviderView/Views/Shared/_Layout.cshtml
+++ b/CaseAccounting/CaseAccountingProviderView/Views/Shared/_Layout.cshtml
@@ -23,6 +23,7 @@
                 <a class="nav-link text-white" asp-area="" asp-controller="Home" asp-action="Hearings">Слушания</a>
                 <a class="nav-link text-white" asp-area="" asp-controller="Home" asp-action="SpecializationCaselist">Получение список</a>
                 <a class="nav-link text-white" asp-area="" asp-controller="Home" asp-action="GetReport">Получение отчёта</a>
+                <a class="nav-link text-white" asp-area="" asp-controller="Home" asp-action="Diagram">Формирование диаграммы</a>
               </div>
             </div>
           </div>
diff --git a/CaseAccounting/CaseAccountingProviderView/wwwroot/js/case/case-update.js b/CaseAccounting/CaseAccountingProviderView/wwwroot/js/case/case-update.js
index 14d1791..fd188d6 100644
--- a/CaseAccounting/CaseAccountingProviderView/wwwroot/js/case/case-update.js
+++ b/CaseAccounting/CaseAccountingProviderView/wwwroot/js/case/case-update.js
@@ -19,7 +19,6 @@ const formatDate = (dateString) => {
 
 window.addEventListener("load", async () => {
     try {
-        let specializationId;
         await $.ajax({
             url: `/case/get?id=${caseId}`,
             type: "GET",
@@ -30,11 +29,8 @@ window.addEventListener("load", async () => {
             defendantInput.value = result.defendant;
             annotationInput.value = result.annotation;
             dateInput.value = formatDate(result.date);
-            specializationId = result.specializationId;
         });
-
-        let specializationIndex;
-
+        
         await $.ajax({
             url: `/case/getallspecializations`,
             type: "GET",
@@ -46,14 +42,9 @@ window.addEventListener("load", async () => {
                 option.value = specialization.id;
                 option.innerHTML = specialization.name;
                 specializationSelect.appendChild(option);
-                if(specialization.id === specializationId){
-                    specializationIndex = specializationSelect.selectedIndex;
-                }
                 specializationSelect.selectedIndex = -1;
             });
         });
-
-        specializationSelect.selectedIndex = specializationIndex;
     } catch (error) {
         console.error(error);
     }
@@ -84,7 +75,7 @@ updateBtn.addEventListener("click", () => {
         "Name": nameInput.value,
         "Applicant": applicantInput.value,
         "Defendant": defendantInput.value,
-        "Date": new Date(dateInput.value),
+        "Date": dateInput.value,
         "Annotation": annotationInput.value,
         "SpecializationId": parseInt(specializationSelect.value),
     };
diff --git a/CaseAccounting/CaseAccountingProviderView/wwwroot/js/deal/deal-update.js b/CaseAccounting/CaseAccountingProviderView/wwwroot/js/deal/deal-update.js
index f5ceec4..fe91795 100644
--- a/CaseAccounting/CaseAccountingProviderView/wwwroot/js/deal/deal-update.js
+++ b/CaseAccounting/CaseAccountingProviderView/wwwroot/js/deal/deal-update.js
@@ -4,6 +4,14 @@ const responsibilitiesInput = document.getElementById("responsibilities-input");
 const dateInput = document.getElementById("date-input");
 const dealId = document.getElementById("vb-id").dataset.id;
 
+const formatDate = (dateString) => {
+    const date = new Date(dateString);
+    const year = date.getFullYear();
+    const month = ('0' + (date.getMonth() + 1)).slice(-2);
+    const day = ('0' + date.getDate()).slice(-2);
+    return `${year}-${month}-${day}`;
+};
+
 window.addEventListener("load", async () => {
     try {
         await $.ajax({
@@ -13,7 +21,7 @@ window.addEventListener("load", async () => {
         }).done((result) => {
             subjectInput.value = result.subject;
             responsibilitiesInput.value = result.responsibilities;
-            dateInput.value = new Date(result.date);
+            dateInput.value = formatDate(result.date);
         });
     } catch (error) {
         console.error(error);
@@ -44,7 +52,7 @@ updateBtn.addEventListener("click", () => {
         "Id": parseInt(dealId),
         "Subject": subjectInput.value,
         "Responsibilities": responsibilitiesInput.value,
-        "Date": new Date(dateInput.value)
+        "Date": dateInput.value
     };
     console.log(dealModel)
     $.ajax({
diff --git a/CaseAccounting/CaseAccountingProviderView/wwwroot/js/diagram/diagram.js b/CaseAccounting/CaseAccountingProviderView/wwwroot/js/diagram/diagram.js
new file mode 100644
index 0000000..7ecbf31
--- /dev/null
+++ b/CaseAccounting/CaseAccountingProviderView/wwwroot/js/diagram/diagram.js
@@ -0,0 +1,52 @@
+var btnStatus = document.getElementById('btnStatus');
+var casespecializations = [];
+
+window.addEventListener('load', async () => {
+    await $.ajax({
+        url: "/case/getspecializationcases",
+        type: "GET",
+        contentType: "json"
+    }).done((result) => {
+        casespecializations = result;
+        console.log(casespecializations);
+    });
+})
+
+var ctx = document.getElementById('myChart').getContext('2d');
+var chart;
+
+function drawStatusChart() {
+    var edStatus = [];
+    var edCount = [];
+    console.log(casespecializations)
+    casespecializations.forEach((item) => {
+        edStatus.push(item.name);
+    });
+    casespecializations.forEach((item) => {
+        edCount.push(item.count);
+    });
+    var statusData = {
+        labels: edStatus,
+        datasets: [{
+            data: edCount
+        }]
+    };
+
+    // Clear the previous chart if it exists
+    if (chart) {
+        chart.destroy();
+    }
+
+    chart = new Chart(ctx, {
+        type: 'pie',
+        data: statusData,
+        options: {
+            responsive: true
+        }
+    });
+}
+
+btnStatus.addEventListener('click', function () {
+    drawStatusChart();
+});
+
diff --git a/CaseAccounting/CaseAccountingProviderView/wwwroot/js/hearing/hearing-update.js b/CaseAccounting/CaseAccountingProviderView/wwwroot/js/hearing/hearing-update.js
index 32f48a0..3ee7b8e 100644
--- a/CaseAccounting/CaseAccountingProviderView/wwwroot/js/hearing/hearing-update.js
+++ b/CaseAccounting/CaseAccountingProviderView/wwwroot/js/hearing/hearing-update.js
@@ -6,21 +6,25 @@ const hearingId = document.getElementById("vb-id").dataset.id;
 
 var cases = [];
 
+const formatDate = (dateString) => {
+    const date = new Date(dateString);
+    const year = date.getFullYear();
+    const month = ('0' + (date.getMonth() + 1)).slice(-2);
+    const day = ('0' + date.getDate()).slice(-2);
+    return `${year}-${month}-${day}`;
+};
+
 window.addEventListener("load", async () => {
     try {
-        let caseId;
         await $.ajax({
             url: `/hearing/get?id=${hearingId}`,
             type: "GET",
             contentType: "json"
         }).done((result) => {
             informationInput.value = result.information;
-            dateInput.value = new Date(result.date);
-            caseId = result.caseId;
+            dateInput.value = formatDate(result.date);
         });
-
-        let caseIndex;
-        $.ajax({
+        await $.ajax({
             url: "/case/getallbyuser",
             type: "GET",
             contentType: "json"
@@ -31,14 +35,9 @@ window.addEventListener("load", async () => {
                 option.value = element.id;
                 option.innerHTML = "Дело №" + element.id;
                 caseSelect.appendChild(option);
-                if(element.id === caseId){
-                    caseIndex = caseSelect.selectedIndex;
-                }
                 caseSelect.selectedIndex = -1;
             });
         });
-
-        caseSelect.selectedIndex = caseIndex;
     } catch (error) {
         console.error(error);
     }
@@ -68,7 +67,7 @@ updateBtn.addEventListener("click", () => {
         "Id": parseInt(hearingId),
         "Information": informationInput.value,
         "CaseId": parseInt(caseSelect.value),
-        "Date": new Date(dateInput.value)
+        "Date": dateInput.value
     };
     console.log(hearingModel)
     $.ajax({
diff --git a/CaseAccounting/CaseAccountingRestApi/Controllers/CaseController.cs b/CaseAccounting/CaseAccountingRestApi/Controllers/CaseController.cs
index 0e4ee2c..cf8bf50 100644
--- a/CaseAccounting/CaseAccountingRestApi/Controllers/CaseController.cs
+++ b/CaseAccounting/CaseAccountingRestApi/Controllers/CaseController.cs
@@ -59,7 +59,20 @@ namespace CaseAccountingRestApi.Controllers
 			}
 		}
 
-		[HttpPost]
+        [HttpGet]
+        public List<SpecializationCasesViewModel> GetSpecializationCases()
+        {
+            try
+            {
+                return _logic.GetSpecializationCases();
+            }
+            catch (Exception)
+            {
+                throw;
+            }
+        }
+
+        [HttpPost]
 		public void Create(CaseBindingModel model)
 		{
 			try