diff --git a/VisualComponentsForm/VisualComponentsForm/FormWord.cs b/VisualComponentsForm/VisualComponentsForm/FormWord.cs
index d962658..d20f3ba 100644
--- a/VisualComponentsForm/VisualComponentsForm/FormWord.cs
+++ b/VisualComponentsForm/VisualComponentsForm/FormWord.cs
@@ -128,8 +128,8 @@ namespace VisualComponentsForm
                 try
                 {
                     histogram = new(dialog.FileName, "Третье задание", "Гистограмма", EnumAreaLegend.Right, new List<DataHistogram> {
-                        new DataHistogram("Доход", "Январь", "300"), new DataHistogram("Доход", "Апрель", "600"),
-                        new DataHistogram("Доход", "Июль", "400"), new DataHistogram("Доход", "Октябрь", "200")
+                        new DataHistogram("Доход", "Январь", 300), new DataHistogram("Доход", "Апрель", 600),
+                        new DataHistogram("Доход", "Июль", 400), new DataHistogram("Доход", "Октябрь", 200)
                     });
 
                     componentWordHistogram.AddHistogram(histogram);
diff --git a/VisualComponentsLib/Components/ComponentBigTable.cs b/VisualComponentsLib/Components/ComponentBigTable.cs
index b44aebd..da1bcdd 100644
--- a/VisualComponentsLib/Components/ComponentBigTable.cs
+++ b/VisualComponentsLib/Components/ComponentBigTable.cs
@@ -87,7 +87,7 @@ namespace VisualComponentsLib.Components
                     Val = "48"
                 });
 
-                properties.AppendChild(new Bold());
+                properties.Append(new Bold());
 
                 docRun.AppendChild(properties);
 
@@ -166,7 +166,21 @@ namespace VisualComponentsLib.Components
                         throw new Exception("Некорректное заполнение информации для шапки таблицы");
                     }
 
-                    tc.Append(new Paragraph(new Run(new Text(item.Value.NameColumn))));
+                    Paragraph tableHeader = new();
+
+                    var Run = new Run();
+
+                    var headerProperties = new RunProperties();
+
+                    headerProperties.Append(new Bold());
+
+                    Run.AppendChild(headerProperties);
+
+                    Run.AppendChild(new Text(item.Value.NameColumn));
+
+                    tableHeader.AppendChild(Run);
+
+                    tc.Append(tableHeader);
 
                     _tr.Append(tc);
 
@@ -207,7 +221,24 @@ namespace VisualComponentsLib.Components
                         {
                             if(val.Name == item.Value.NameField)
                             {
-                                tc.Append(new Paragraph(new Run(new Text(val.GetValue(setDataTable.DataList[i]).ToString()))));
+                                var newParagraph = new Paragraph();
+
+                                var newRun = new Run();
+
+                                var runProperties = new RunProperties();
+
+                                if(indexHeaderWidth == 0)
+                                {
+                                    runProperties.Append(new Bold());
+                                }
+
+                                newRun.AppendChild(runProperties);
+
+                                newRun.AppendChild(new Text(val.GetValue(setDataTable.DataList[i]).ToString()));
+
+                                newParagraph.AppendChild(newRun);
+
+                                tc.Append(newParagraph);
 
                                 break;
                             }
diff --git a/VisualComponentsLib/Components/ComponentWordHistogram.cs b/VisualComponentsLib/Components/ComponentWordHistogram.cs
index ebc3c6b..c5ca4b5 100644
--- a/VisualComponentsLib/Components/ComponentWordHistogram.cs
+++ b/VisualComponentsLib/Components/ComponentWordHistogram.cs
@@ -72,7 +72,7 @@ namespace VisualComponentsLib.Components
             // Добавление новых серий. Обратите внимание, что массивы данных не должны быть пустыми, а массивы должны быть одного размера.
             foreach (var data in simpleHistogram.DataList)
             {
-                seriesColl.Add(data.NameData, categories, new double[] { double.Parse(data.Data) });
+                seriesColl.Add(data.NameData, categories, new double[] { data.Data });
             }
 
             // Move the chart's legend to the top right corner.
@@ -92,7 +92,7 @@ namespace VisualComponentsLib.Components
         {
             foreach (var _data in data)
             {
-                if(string.IsNullOrEmpty(_data.NameSeries) || string.IsNullOrEmpty(_data.Data))
+                if(string.IsNullOrEmpty(_data.NameSeries) || string.IsNullOrEmpty(_data.Data.ToString()))
                 {
                     return false;
                 }
diff --git a/VisualComponentsLib/Components/SupportClasses/DataHistogram.cs b/VisualComponentsLib/Components/SupportClasses/DataHistogram.cs
index 5d00857..5bec7f2 100644
--- a/VisualComponentsLib/Components/SupportClasses/DataHistogram.cs
+++ b/VisualComponentsLib/Components/SupportClasses/DataHistogram.cs
@@ -12,9 +12,9 @@ namespace VisualComponentsLib.Components.SupportClasses
 
         public string NameData { get; set; } = string.Empty;
 
-        public string Data { get; set; } = string.Empty;
+        public double Data { get; set; }
 
-        public DataHistogram(string nameSeries, string nameData, string data) 
+        public DataHistogram(string nameSeries, string nameData, double data) 
         {
             NameSeries = nameSeries;
             NameData = nameData;