diff --git a/InstructorsAndTrainees/commonview.cpp b/InstructorsAndTrainees/commonview.cpp
index e30c9c4..89f1347 100644
--- a/InstructorsAndTrainees/commonview.cpp
+++ b/InstructorsAndTrainees/commonview.cpp
@@ -1,12 +1,15 @@
 #include "commonview.h"
 #include <QFile>
 #include <QMessageBox>
+#include <QScrollBar>
+#include <QResizeEvent>
 
 
 CommonView::CommonView(ConnectorToServer* connectorToServer, TypeView type, QWidget *parent):
     QWidget(parent),
     connectorToServer(connectorToServer),
     treeWidget(nullptr),
+    TypeUserDB(User::TypeUserDBInstructor),
     typeView(type),
     archiveVisible(false),
     notLoggedInVisible(true),
@@ -48,3 +51,115 @@ void CommonView::setItemColor(QTreeWidgetItem *item, QColor color)
     for (int i = 0; i < item->columnCount(); i++)
         item->setBackground(i, color);
 }
+
+int CommonView::calculateWidth_0Column()
+{
+    int widthHeader = treeWidget->width() - 10;
+    int width0Column = 0;
+    int widthSB = 0;
+    if(treeWidget->verticalScrollBar()->isVisible())
+        widthSB = treeWidget->verticalScrollBar()->size().width();
+    int cntColumns = treeWidget->columnCount();
+    int widthRightColumns = 0;
+    for (int i = 1; i < cntColumns; i++)
+    {
+        if(! treeWidget->isColumnHidden(i))
+        {//Колонка не скрыта
+            int w = listWidthColumn.at(i);
+            widthRightColumns += w;
+        }
+    }
+    width0Column = widthHeader - widthRightColumns - widthSB;
+
+    return width0Column;
+}
+
+void CommonView::setWidthColumnsTree()
+{
+    listWidthColumn.clear();
+
+    treeWidget->setColumnWidth(ColumnsTreeUsers::clmn_Name, 100);
+    listWidthColumn.append(100);
+    treeWidget->setColumnWidth(ColumnsTreeUsers::clmn_Login, 100);
+    listWidthColumn.append(100);
+    treeWidget->setColumnWidth(ColumnsTreeUsers::clmn_Password, 100);
+    listWidthColumn.append(100);
+
+    treeWidget->setColumnWidth(ColumnsTreeUsers::clmn_Class, 100);
+    listWidthColumn.append(100);
+    treeWidget->setColumnWidth(ColumnsTreeUsers::clmn_Computer, 100);
+    listWidthColumn.append(100);
+    treeWidget->setColumnWidth(ColumnsTreeUsers::clmn_IP_address, 100);
+    listWidthColumn.append(100);
+
+    treeWidget->setColumnWidth(ColumnsTreeUsers::clmn_Administrator, 140);
+    listWidthColumn.append(140);
+    treeWidget->setColumnWidth(ColumnsTreeUsers::clmn_Archived, 100);
+    listWidthColumn.append(100);
+    treeWidget->setColumnWidth(ColumnsTreeUsers::clmn_Logged, 120);
+    listWidthColumn.append(120);
+    treeWidget->setColumnWidth(ColumnsTreeUsers::clmn_ID, 100);
+    listWidthColumn.append(100);
+
+    treeWidget->setColumnWidth(ColumnsTreeUsers::clmn_Name, calculateWidth_0Column());
+}
+
+void CommonView::reSetHeadTreeWidget()
+{
+    QStringList listHeaders = {tr("Name"), tr("Login"), tr("Password"), tr("Class"), tr("Computer"), tr("IP address"), tr("Administrator"), tr("Archived"), tr("Logged"), tr("ID")};
+    treeWidget->setHeaderLabels(listHeaders);
+}
+
+void CommonView::preparationTreeWidget()
+{
+    mtxTreeWidget.lock();
+
+    treeWidget->setColumnCount(clmn_count);
+
+    reSetHeadTreeWidget();
+
+    if(typeView == TypeView::onlyView)
+    {//onlyView
+        archiveVisible = false;
+
+        treeWidget->setColumnHidden(ColumnsTreeUsers::clmn_ID, true);
+        treeWidget->setColumnHidden(ColumnsTreeUsers::clmn_Password, true);
+        treeWidget->setColumnHidden(ColumnsTreeUsers::clmn_Archived, true);
+        treeWidget->setColumnHidden(ColumnsTreeUsers::clmn_Administrator, true);
+    }
+    else
+    {//control
+        archiveVisible = true;
+
+        if(adminMode)
+        {
+#ifdef PROJECT_TYPE_DEBUG
+            treeWidget->setColumnHidden(ColumnsTreeUsers::clmn_ID, false);
+#else
+            treeWidget->setColumnHidden(ColumnsTreeUsers::clmn_ID, true);
+#endif
+        }
+        else
+        {
+            treeWidget->setColumnHidden(ColumnsTreeUsers::clmn_ID, true);
+        }
+    }
+    treeWidget->setColumnHidden(ColumnsTreeUsers::clmn_Class, true);
+    treeWidget->setColumnHidden(ColumnsTreeUsers::clmn_Computer, true);
+    treeWidget->setColumnHidden(ColumnsTreeUsers::clmn_IP_address, true);
+    if(TypeUserDB == User::TypeUserDBTrainee)
+        treeWidget->setColumnHidden(ColumnsTreeUsers::clmn_Administrator, true);
+
+    treeWidget->setSortingEnabled(true);
+    treeWidget->sortItems(ColumnsTreeUsers::clmn_Name, Qt::SortOrder::AscendingOrder);
+
+    mtxTreeWidget.unlock();
+}
+
+void CommonView::resizeEvent(QResizeEvent *event)
+{
+    setWidthColumnsTree();
+
+    QSize size = event->size();
+    waitAnimationWidget->resize(size);
+}
diff --git a/InstructorsAndTrainees/commonview.h b/InstructorsAndTrainees/commonview.h
index a7756dc..edcc235 100644
--- a/InstructorsAndTrainees/commonview.h
+++ b/InstructorsAndTrainees/commonview.h
@@ -27,10 +27,27 @@ public:
         objGroup
     };
 
+protected:
+    enum ColumnsTreeUsers{
+        clmn_Name = 0,
+        clmn_Login,
+        clmn_Password,
+        clmn_Class,
+        clmn_Computer,
+        clmn_IP_address,
+        clmn_Administrator,
+        clmn_Archived,
+        clmn_Logged,
+        clmn_ID,
+        clmn_count
+    };
+
 public:
     CommonView(ConnectorToServer* connectorToServer, TypeView type, QWidget *parent = nullptr);
     ~CommonView();
 
+    void resizeEvent(QResizeEvent *event) override;
+
 public:
     void setAdminMode(bool adminMode)
     {
@@ -67,9 +84,20 @@ protected:
 
     void setItemColor(QTreeWidgetItem* item, QColor color);
 
+    void preparationTreeWidget();
+
+private:
+    int calculateWidth_0Column();
+    void setWidthColumnsTree();
+
+protected:
+    void reSetHeadTreeWidget();
+
 protected:
     ConnectorToServer* connectorToServer;
     QTreeWidget* treeWidget;
+    QList<int> listWidthColumn;
+    QString TypeUserDB;
     QMutex mtxTreeWidget;
     TypeView typeView;
     bool archiveVisible;
diff --git a/InstructorsAndTrainees/instructors/dialogredactorinstructors.cpp b/InstructorsAndTrainees/instructors/dialogredactorinstructors.cpp
index b78c355..07dc108 100644
--- a/InstructorsAndTrainees/instructors/dialogredactorinstructors.cpp
+++ b/InstructorsAndTrainees/instructors/dialogredactorinstructors.cpp
@@ -18,7 +18,7 @@ DialogRedactorInstructors::DialogRedactorInstructors(ConnectorToServer* connecto
     layout->addWidget(editorInstructors);
     this->setWindowTitle(tr("Editor of instructors"));
     this->setMinimumSize(1400, 700);
-    this->setWindowState(Qt::WindowMaximized);
+    //this->setWindowState(Qt::WindowMaximized);
     this->setModal(true);
 }
 
diff --git a/InstructorsAndTrainees/instructors/editorinstructors.cpp b/InstructorsAndTrainees/instructors/editorinstructors.cpp
index a57a27a..77e8010 100644
--- a/InstructorsAndTrainees/instructors/editorinstructors.cpp
+++ b/InstructorsAndTrainees/instructors/editorinstructors.cpp
@@ -112,7 +112,7 @@ void EditorInstructors::on_btnDeleteInstructor_clicked()
         if(treeItemParent == nullptr)
         {//Выбран Инструктор
 
-            int id = treeItemCurrent->text(ColumnsTreeInsructors::clmn_ID).toInt();
+            int id = treeItemCurrent->text(ColumnsTreeUsers::clmn_ID).toInt();
 
             if(connectorToServer->isAdminInstructor(id))
             {//Это Админ!
@@ -145,7 +145,7 @@ void EditorInstructors::on_btnToOrFromArchive_clicked()
         if(treeItemParent == nullptr)
         {//Выбран Инструктор
 
-            int id = treeItemCurrent->text(ColumnsTreeInsructors::clmn_ID).toInt();
+            int id = treeItemCurrent->text(ColumnsTreeUsers::clmn_ID).toInt();
 
             Instructor instructor = connectorToServer->getInstructor(id);
             if(instructor.getID() == 0)
@@ -194,7 +194,7 @@ void EditorInstructors::on_btnEdit_clicked()
     if(treeItemParent == nullptr)
     {//Выбран Инструктор
 
-        int id = treeItemCurrent->text(ColumnsTreeInsructors::clmn_ID).toInt();
+        int id = treeItemCurrent->text(ColumnsTreeUsers::clmn_ID).toInt();
 
         if(connectorToServer->isLoggedInInstructor(id))
         {//Инструктор залогирован!
@@ -252,7 +252,7 @@ void EditorInstructors::on_treeWidgetCurrentItemChanged(QTreeWidgetItem *current
     if(treeItemParent == nullptr)
     {//Выбран инструктор
 
-        int id = current->text(ColumnsTreeInsructors::clmn_ID).toInt();
+        int id = current->text(ColumnsTreeUsers::clmn_ID).toInt();
 
         lastCurrentID = id;
 
diff --git a/InstructorsAndTrainees/instructors/instructorsview.cpp b/InstructorsAndTrainees/instructors/instructorsview.cpp
index c8d496a..1dc884c 100644
--- a/InstructorsAndTrainees/instructors/instructorsview.cpp
+++ b/InstructorsAndTrainees/instructors/instructorsview.cpp
@@ -1,51 +1,14 @@
 #include <QHeaderView>
 #include <QTranslator>
 #include <QResizeEvent>
+#include <QScrollBar>
 #include "instructorsview.h"
 
 InstructorsView::InstructorsView(ConnectorToServer* connectorToServer, TypeView type, QWidget *parent):
     CommonView(connectorToServer, type, parent)
 {
     typeObject = TypeObject::objInstructor;
-}
-
-void InstructorsView::resizeEvent(QResizeEvent *event)
-{
-    int width = treeWidget->width();
-
-    treeWidget->setColumnWidth(ColumnsTreeInsructors::clmn_ID, 50);
-    treeWidget->setColumnWidth(ColumnsTreeInsructors::clmn_Login, 100);
-    treeWidget->setColumnWidth(ColumnsTreeInsructors::clmn_Password, 100);
-    treeWidget->setColumnWidth(ColumnsTreeInsructors::clmn_Administrator, 140);
-    treeWidget->setColumnWidth(ColumnsTreeInsructors::clmn_Archived, 100);
-    treeWidget->setColumnWidth(ColumnsTreeInsructors::clmn_Logged, 120);
-
-    int widthInstructor;
-
-    if(typeView == TypeView::onlyView)
-    {//onlyView
-        widthInstructor = width - (220 + 10 + 20);
-    }
-    else
-    {//control
-        if(adminMode)
-        {
-#ifdef PROJECT_TYPE_DEBUG
-           widthInstructor = width - (610 + 10 + 20);
-#else
-           widthInstructor = width - (560 + 10 + 20);
-#endif
-        }
-        else
-            widthInstructor = width - (480 + 10 + 20);
-    }
-    if(widthInstructor < 250)
-        widthInstructor = 250;
-
-    treeWidget->setColumnWidth(ColumnsTreeInsructors::clmn_Instructor, widthInstructor);
-
-    QSize size = event->size();
-    waitAnimationWidget->resize(size);
+    TypeUserDB = User::TypeUserDBInstructor;
 }
 
 void InstructorsView::slot_NeedUpdateUI(bool treeInstructor, bool treeTrainee)
@@ -59,47 +22,6 @@ void InstructorsView::slot_NeedUpdateUI(bool treeInstructor, bool treeTrainee)
     }
 }
 
-void InstructorsView::preparationTreeWidget()
-{
-    mtxTreeWidget.lock();
-
-    treeWidget->setColumnCount(clmn_count);
-
-    reSetHeadTreeWidget();    
-
-    if(typeView == TypeView::onlyView)
-    {//onlyView
-        archiveVisible = false;
-
-        treeWidget->setColumnHidden(ColumnsTreeInsructors::clmn_ID, true);
-        treeWidget->setColumnHidden(ColumnsTreeInsructors::clmn_Password, true);
-        treeWidget->setColumnHidden(ColumnsTreeInsructors::clmn_Archived, true);
-        treeWidget->setColumnHidden(ColumnsTreeInsructors::clmn_Administrator, true);
-    }
-    else
-    {//control
-        archiveVisible = true;
-
-        if(adminMode)
-        {            
-#ifdef PROJECT_TYPE_DEBUG
-            treeWidget->setColumnHidden(ColumnsTreeInsructors::clmn_ID, false);
-#else
-            treeWidget->setColumnHidden(ColumnsTreeInsructors::clmn_ID, true);
-#endif
-        }
-        else
-        {
-            treeWidget->setColumnHidden(ColumnsTreeInsructors::clmn_ID, true);
-        }
-    }
-
-    treeWidget->setSortingEnabled(true);
-    treeWidget->sortItems(ColumnsTreeInsructors::clmn_Instructor, Qt::SortOrder::AscendingOrder);
-
-    mtxTreeWidget.unlock();
-}
-
 void InstructorsView::loadInstructorsFromDB()
 {
     mtxTreeWidget.lock();
@@ -116,46 +38,46 @@ void InstructorsView::loadInstructorsFromDB()
     {
         QTreeWidgetItem *ItemInstructor = new QTreeWidgetItem(treeWidget);
 
-        ItemInstructor->setText(ColumnsTreeInsructors::clmn_ID, QString::number(instructor.getID()));
-        ItemInstructor->setText(ColumnsTreeInsructors::clmn_Instructor, instructor.getName());
-        ItemInstructor->setText(ColumnsTreeInsructors::clmn_Login, instructor.getLogin());
-        ItemInstructor->setText(ColumnsTreeInsructors::clmn_Password, instructor.getPassword());
+        ItemInstructor->setText(ColumnsTreeUsers::clmn_ID, QString::number(instructor.getID()));
+        ItemInstructor->setText(ColumnsTreeUsers::clmn_Name, instructor.getName());
+        ItemInstructor->setText(ColumnsTreeUsers::clmn_Login, instructor.getLogin());
+        ItemInstructor->setText(ColumnsTreeUsers::clmn_Password, instructor.getPassword());
 
         //Сокрытие пароля
-        ItemInstructor->setText(ColumnsTreeInsructors::clmn_Password, QStringLiteral("******"));
+        ItemInstructor->setText(ColumnsTreeUsers::clmn_Password, QStringLiteral("******"));
 
         if(instructor.getArchived())
         {//Архивный
-            ItemInstructor->setText(ColumnsTreeInsructors::clmn_Archived, tr("yes"));
-            ItemInstructor->setIcon(ColumnsTreeInsructors::clmn_Instructor, QIcon(QStringLiteral(":/resources/icons/archive.png")));
+            ItemInstructor->setText(ColumnsTreeUsers::clmn_Archived, tr("yes"));
+            ItemInstructor->setIcon(ColumnsTreeUsers::clmn_Name, QIcon(QStringLiteral(":/resources/icons/archive.png")));
             setItemColorArchive(ItemInstructor);
         }
         else
         {//Не Архивный
-            ItemInstructor->setText(ColumnsTreeInsructors::clmn_Archived, tr("no"));
-            ItemInstructor->setIcon(ColumnsTreeInsructors::clmn_Instructor, QIcon(QStringLiteral(":/resources/icons/instructor.png")));
+            ItemInstructor->setText(ColumnsTreeUsers::clmn_Archived, tr("no"));
+            ItemInstructor->setIcon(ColumnsTreeUsers::clmn_Name, QIcon(QStringLiteral(":/resources/icons/instructor.png")));
             setItemColorNoArchive(ItemInstructor);
         }
 
         if(instructor.getIsAdmin())
         {//Админ
-            ItemInstructor->setText(ColumnsTreeInsructors::clmn_Administrator, tr("yes"));
-            ItemInstructor->setIcon(ColumnsTreeInsructors::clmn_Instructor, QIcon(QStringLiteral(":/resources/icons/admin.png")));
+            ItemInstructor->setText(ColumnsTreeUsers::clmn_Administrator, tr("yes"));
+            ItemInstructor->setIcon(ColumnsTreeUsers::clmn_Name, QIcon(QStringLiteral(":/resources/icons/admin.png")));
         }
         else
         {//Не Админ
-            ItemInstructor->setText(ColumnsTreeInsructors::clmn_Administrator, tr("no"));
+            ItemInstructor->setText(ColumnsTreeUsers::clmn_Administrator, tr("no"));
         }
 
         if(instructor.getLoggedIn())
         {//Залогинен
-            //ItemInstructor->setText(ColumnsTreeInsructors::clmn_Logged, tr("yes"));
-            ItemInstructor->setIcon(ColumnsTreeInsructors::clmn_Logged, QIcon(QStringLiteral(":/resources/icons/circleGreen.png")));
+            //ItemInstructor->setText(ColumnsTreeUsers::clmn_Logged, tr("yes"));
+            ItemInstructor->setIcon(ColumnsTreeUsers::clmn_Logged, QIcon(QStringLiteral(":/resources/icons/circleGreen.png")));
         }
         else
         {//Не Залогинен
-            //ItemInstructor->setText(ColumnsTreeInsructors::clmn_Logged, tr("no"));
-            ItemInstructor->setIcon(ColumnsTreeInsructors::clmn_Logged, QIcon(QStringLiteral(":/resources/icons/circleGray.png")));
+            //ItemInstructor->setText(ColumnsTreeUsers::clmn_Logged, tr("no"));
+            ItemInstructor->setIcon(ColumnsTreeUsers::clmn_Logged, QIcon(QStringLiteral(":/resources/icons/circleGray.png")));
         }
 
         //Скрываем архивных (при необходимости)
@@ -181,26 +103,20 @@ void InstructorsView::loadInstructorsFromDB()
 
     setCurrentInstructor(lastCurrentID);
 
-    treeWidget->sortItems(ColumnsTreeInsructors::clmn_Instructor, Qt::SortOrder::AscendingOrder);
+    treeWidget->sortItems(ColumnsTreeUsers::clmn_Name, Qt::SortOrder::AscendingOrder);
 
     mtxTreeWidget.unlock();
 
     waitAnimationWidget->hideWithStop();
 }
 
-void InstructorsView::reSetHeadTreeWidget()
-{
-    QStringList listHeaders = {tr("Instructor"), tr("Login"), tr("Password"), tr("Administrator"), tr("Archived"), tr("Logged"), tr("ID")};
-    treeWidget->setHeaderLabels(listHeaders);
-}
-
 void InstructorsView::setCurrentInstructor(int id)
 {
     for(int i = 0; i < treeWidget->topLevelItemCount(); i++)
     {
         QTreeWidgetItem * item = treeWidget->topLevelItem(i);
         if(item != nullptr)
-            if(item->text(ColumnsTreeInsructors::clmn_ID).toInt() == id)
+            if(item->text(ColumnsTreeUsers::clmn_ID).toInt() == id)
             {
                 treeWidget->setCurrentItem(item);
                 return;
diff --git a/InstructorsAndTrainees/instructors/instructorsview.h b/InstructorsAndTrainees/instructors/instructorsview.h
index 71de18a..a5735b0 100644
--- a/InstructorsAndTrainees/instructors/instructorsview.h
+++ b/InstructorsAndTrainees/instructors/instructorsview.h
@@ -13,32 +13,13 @@ class InstructorsView: public CommonView
 public:
     InstructorsView(ConnectorToServer* connectorToServer, TypeView type, QWidget *parent = nullptr);
 
-protected:
-    enum ColumnsTreeInsructors{
-        clmn_Instructor = 0,
-        clmn_Login,
-        clmn_Password,
-        clmn_Administrator,
-        clmn_Archived,
-        clmn_Logged,
-        clmn_ID,
-        clmn_count
-    };
-
-public:
-    void resizeEvent(QResizeEvent *event) override;
-
 public Q_SLOTS:
     //Слот обработки сигнала необходимости обновления интерфейса
     void slot_NeedUpdateUI(bool treeInstructor, bool treeTrainee);
 
 protected:
     virtual void updateButtons(){};
-    void preparationTreeWidget();
     void loadInstructorsFromDB();
-
-    void reSetHeadTreeWidget();
-
     void setCurrentInstructor(int id);
 };
 
diff --git a/InstructorsAndTrainees/instructors/viewerinstructors.cpp b/InstructorsAndTrainees/instructors/viewerinstructors.cpp
index cc197cc..7d5b231 100644
--- a/InstructorsAndTrainees/instructors/viewerinstructors.cpp
+++ b/InstructorsAndTrainees/instructors/viewerinstructors.cpp
@@ -82,7 +82,7 @@ void ViewerInstructors::on_treeWidgetItemClicked(QTreeWidgetItem *item, int colu
 
     //if(current->childCount() == 0)
     {//Выбран обучаемый
-        QString login = item->text(ColumnsTreeInsructors::clmn_Login);
+        QString login = item->text(ColumnsTreeUsers::clmn_Login);
         //if(login != "")
         {
             int newCurrentID = connectorToServer->getIdInstructorByLogin(login);
diff --git a/InstructorsAndTrainees/trainees/dialogredactortrainees.cpp b/InstructorsAndTrainees/trainees/dialogredactortrainees.cpp
index 65f4f44..fccf8de 100644
--- a/InstructorsAndTrainees/trainees/dialogredactortrainees.cpp
+++ b/InstructorsAndTrainees/trainees/dialogredactortrainees.cpp
@@ -18,7 +18,7 @@ DialogRedactorTrainees::DialogRedactorTrainees(ConnectorToServer* connectorToSer
     layout->addWidget(editorTraineesGroups);
     this->setWindowTitle(tr("Editor of trainees"));
     this->setMinimumSize(1400, 700);
-    this->setWindowState(Qt::WindowMaximized);
+    //this->setWindowState(Qt::WindowMaximized);
     this->setModal(true);
 }
 
diff --git a/InstructorsAndTrainees/trainees/editortrainees.cpp b/InstructorsAndTrainees/trainees/editortrainees.cpp
index 7b80c55..0e643db 100644
--- a/InstructorsAndTrainees/trainees/editortrainees.cpp
+++ b/InstructorsAndTrainees/trainees/editortrainees.cpp
@@ -115,7 +115,7 @@ void EditorTrainees::on_btnDeleteGroup_clicked()
         QTreeWidgetItem *treeItemParent = treeItemCurrent->parent();
         if(treeItemParent == nullptr)
         {//Выбрана группа
-            int id_group = treeItemCurrent->text(ColumnsTreeTrainees::clmn_ID).toInt();
+            int id_group = treeItemCurrent->text(ColumnsTreeUsers::clmn_ID).toInt();
 
             if(connectorToServer->getListTraineesInGroup(id_group).count() > 0)
             {
@@ -143,7 +143,7 @@ void EditorTrainees::on_btnNewTrainee_clicked()
         QTreeWidgetItem *treeItemParent = treeItemCurrent->parent();
         if(treeItemParent == nullptr)
         {//Выбрана группа. Можно добавить Обучаемого
-            int id_group = treeItemCurrent->text(ColumnsTreeTrainees::clmn_ID).toInt();
+            int id_group = treeItemCurrent->text(ColumnsTreeUsers::clmn_ID).toInt();
 
             Trainee trainee;
             Trainee trainee_edit;
@@ -219,8 +219,8 @@ void EditorTrainees::on_btnDeleteTrainee_clicked()
         if(treeItemParent != nullptr)
         {//Выбран обучаемый
 
-            int id_trainee = treeItemCurrent->text(ColumnsTreeTrainees::clmn_ID).toInt();
-            int id_group = treeItemParent->text(ColumnsTreeTrainees::clmn_ID).toInt();
+            int id_trainee = treeItemCurrent->text(ColumnsTreeUsers::clmn_ID).toInt();
+            int id_group = treeItemParent->text(ColumnsTreeUsers::clmn_ID).toInt();
 
             if(connectorToServer->isLoggedInTrainee(id_trainee))
             {//Обучаемый залогирован!
@@ -247,7 +247,7 @@ void EditorTrainees::on_btnToOrFromArchiveTrainee_clicked()
         if(treeItemParent != nullptr)
         {//Выбран обучаемый
 
-            int id_trainee = treeItemCurrent->text(ColumnsTreeTrainees::clmn_ID).toInt();
+            int id_trainee = treeItemCurrent->text(ColumnsTreeUsers::clmn_ID).toInt();
 
             Trainee trainee = connectorToServer->getTrainee(id_trainee);
             if(trainee.getID() == 0)
@@ -288,7 +288,7 @@ void EditorTrainees::on_btnEdit_clicked()
     if(treeItemParent == nullptr)
     {//Выбрана группа
 
-        int id_group = treeItemCurrent->text(ColumnsTreeTrainees::clmn_ID).toInt();
+        int id_group = treeItemCurrent->text(ColumnsTreeUsers::clmn_ID).toInt();
 
         Group group = connectorToServer->getGroup(id_group);
         if(group.getID() == 0)
@@ -305,7 +305,7 @@ void EditorTrainees::on_btnEdit_clicked()
     else
     {//Выбран обучаемый
 
-        int id_trainee = treeItemCurrent->text(ColumnsTreeTrainees::clmn_ID).toInt();
+        int id_trainee = treeItemCurrent->text(ColumnsTreeUsers::clmn_ID).toInt();
 
         if(connectorToServer->isLoggedInTrainee(id_trainee))
         {//Обучаемый залогирован!
@@ -388,7 +388,7 @@ void EditorTrainees::on_treeWidgetCurrentItemChanged(QTreeWidgetItem *current, Q
     QTreeWidgetItem *treeItemParent = current->parent();
     if(treeItemParent == nullptr)
     {//Выбрана группа
-        int id_group = current->text(ColumnsTreeTrainees::clmn_ID).toInt();
+        int id_group = current->text(ColumnsTreeUsers::clmn_ID).toInt();
 
         lastCurrentID = id_group;
         typeObject = TypeObject::objGroup;
@@ -423,7 +423,7 @@ void EditorTrainees::on_treeWidgetCurrentItemChanged(QTreeWidgetItem *current, Q
     }
     else
     {//Выбран обучаемый
-        int id_trainee = current->text(ColumnsTreeTrainees::clmn_ID).toInt();
+        int id_trainee = current->text(ColumnsTreeUsers::clmn_ID).toInt();
 
         lastCurrentID = id_trainee;
         typeObject = TypeObject::objTrainee;
diff --git a/InstructorsAndTrainees/trainees/traineesview.cpp b/InstructorsAndTrainees/trainees/traineesview.cpp
index 4047f95..e4d3d2e 100644
--- a/InstructorsAndTrainees/trainees/traineesview.cpp
+++ b/InstructorsAndTrainees/trainees/traineesview.cpp
@@ -6,47 +6,7 @@ TraineesView::TraineesView(ConnectorToServer* connectorToServer, TypeView type,
     CommonView(connectorToServer, type, parent)
 {
     typeObject = TypeObject::objTrainee;
-}
-
-void TraineesView::resizeEvent(QResizeEvent *event)
-{
-    int width = treeWidget->width();
-
-    treeWidget->setColumnWidth(ColumnsTreeTrainees::clmn_ID, 50);
-    treeWidget->setColumnWidth(ColumnsTreeTrainees::clmn_Login, 100);
-    treeWidget->setColumnWidth(ColumnsTreeTrainees::clmn_Password, 100);
-    treeWidget->setColumnWidth(ColumnsTreeTrainees::clmn_Class, 100);
-    treeWidget->setColumnWidth(ColumnsTreeTrainees::clmn_Computer, 100);
-    treeWidget->setColumnWidth(ColumnsTreeTrainees::clmn_IP_address, 130);
-    treeWidget->setColumnWidth(ColumnsTreeTrainees::clmn_Archived, 100);
-    treeWidget->setColumnWidth(ColumnsTreeTrainees::clmn_Logged, 120);
-
-    int widthTrainee;
-
-    if(typeView == TypeView::onlyView)
-    {//onlyView
-        widthTrainee = width - (220 + 10 + 20);
-    }
-    else
-    {//control
-        if(adminMode)
-        {
-#ifdef PROJECT_TYPE_DEBUG
-           widthTrainee = width - (470 + 10 + 20);
-#else
-           widthTrainee = width - (420 + 10 + 20);
-#endif
-        }
-        else
-            widthTrainee = width - (440 + 10 + 20);
-    }
-    if(widthTrainee < 250)
-        widthTrainee = 250;
-
-    treeWidget->setColumnWidth(ColumnsTreeTrainees::clmn_Trainee, widthTrainee);
-
-    QSize size = event->size();
-    waitAnimationWidget->resize(size);
+    TypeUserDB = User::TypeUserDBTrainee;
 }
 
 void TraineesView::slot_NeedUpdateUI(bool treeInstructor, bool treeTrainee)
@@ -60,54 +20,6 @@ void TraineesView::slot_NeedUpdateUI(bool treeInstructor, bool treeTrainee)
     }
 }
 
-void TraineesView::preparationTreeWidget()
-{
-    mtxTreeWidget.lock();
-
-    treeWidget->setColumnCount(clmn_count);
-
-    reSetHeadTreeWidget();
-
-    if(typeView == TypeView::onlyView)
-    {//onlyView
-        archiveVisible = false;
-
-        treeWidget->setColumnHidden(ColumnsTreeTrainees::clmn_ID, true);
-        treeWidget->setColumnHidden(ColumnsTreeTrainees::clmn_Password, true);
-        treeWidget->setColumnHidden(ColumnsTreeTrainees::clmn_Archived, true);
-
-        treeWidget->setColumnHidden(ColumnsTreeTrainees::clmn_Class, true);
-        treeWidget->setColumnHidden(ColumnsTreeTrainees::clmn_Computer, true);
-        treeWidget->setColumnHidden(ColumnsTreeTrainees::clmn_IP_address, true);
-    }
-    else
-    {//control
-        archiveVisible = true;
-
-        if(adminMode)
-        {
-#ifdef PROJECT_TYPE_DEBUG
-            treeWidget->setColumnHidden(ColumnsTreeTrainees::clmn_ID, false);
-#else
-            treeWidget->setColumnHidden(ColumnsTreeTrainees::clmn_ID, true);
-#endif
-        }
-        else
-        {
-            treeWidget->setColumnHidden(ColumnsTreeTrainees::clmn_ID, true);
-        }
-
-        treeWidget->setColumnHidden(ColumnsTreeTrainees::clmn_Class, true);
-        treeWidget->setColumnHidden(ColumnsTreeTrainees::clmn_Computer, true);
-        treeWidget->setColumnHidden(ColumnsTreeTrainees::clmn_IP_address, true);
-    }
-
-    treeWidget->setSortingEnabled(true);
-    treeWidget->sortItems(ColumnsTreeTrainees::clmn_Trainee, Qt::SortOrder::AscendingOrder);
-
-    mtxTreeWidget.unlock();
-}
-
 void TraineesView::loadTraineesFromDB()
 {
     mtxTreeWidget.lock();
@@ -127,9 +39,9 @@ void TraineesView::loadTraineesFromDB()
         //Группа
         int cntChildsNotArchived = 0;
         QTreeWidgetItem *ItemGroup = new QTreeWidgetItem(treeWidget);
-        ItemGroup->setText(ColumnsTreeTrainees::clmn_ID, QString::number(group.getID()));
-        ItemGroup->setText(ColumnsTreeTrainees::clmn_Trainee, group.getName());
-        ItemGroup->setIcon(ColumnsTreeTrainees::clmn_Trainee, QIcon(QStringLiteral(":/resources/icons/group.png")));
+        ItemGroup->setText(ColumnsTreeUsers::clmn_ID, QString::number(group.getID()));
+        ItemGroup->setText(ColumnsTreeUsers::clmn_Name, group.getName());
+        ItemGroup->setIcon(ColumnsTreeUsers::clmn_Name, QIcon(QStringLiteral(":/resources/icons/group.png")));
         setItemColor(ItemGroup, QColor(220, 220, 220));
 
         //ItemGroup->set Property("greenButton", QVariant(true));
@@ -143,40 +55,40 @@ void TraineesView::loadTraineesFromDB()
 
             QTreeWidgetItem *ItemTrainee = new QTreeWidgetItem();
 
-            ItemTrainee->setText(ColumnsTreeTrainees::clmn_ID, QString::number(trainee.getID()));
-            ItemTrainee->setText(ColumnsTreeTrainees::clmn_Trainee, trainee.getName());
-            ItemTrainee->setText(ColumnsTreeTrainees::clmn_Login, trainee.getLogin());
-            ItemTrainee->setText(ColumnsTreeTrainees::clmn_Password, trainee.getPassword());
-            ItemTrainee->setText(ColumnsTreeTrainees::clmn_Class, trainee.getComputer().getClassroom().getName());
-            ItemTrainee->setText(ColumnsTreeTrainees::clmn_Computer, trainee.getComputer().getName());
-            ItemTrainee->setText(ColumnsTreeTrainees::clmn_IP_address, trainee.getComputer().getIpAddress());
+            ItemTrainee->setText(ColumnsTreeUsers::clmn_ID, QString::number(trainee.getID()));
+            ItemTrainee->setText(ColumnsTreeUsers::clmn_Name, trainee.getName());
+            ItemTrainee->setText(ColumnsTreeUsers::clmn_Login, trainee.getLogin());
+            ItemTrainee->setText(ColumnsTreeUsers::clmn_Password, trainee.getPassword());
+            ItemTrainee->setText(ColumnsTreeUsers::clmn_Class, trainee.getComputer().getClassroom().getName());
+            ItemTrainee->setText(ColumnsTreeUsers::clmn_Computer, trainee.getComputer().getName());
+            ItemTrainee->setText(ColumnsTreeUsers::clmn_IP_address, trainee.getComputer().getIpAddress());
 
             //Сокрытие пароля
-            ItemTrainee->setText(ColumnsTreeTrainees::clmn_Password, QStringLiteral("******"));
+            ItemTrainee->setText(ColumnsTreeUsers::clmn_Password, QStringLiteral("******"));
 
             if(trainee.getArchived())
             {//Архивный
-                ItemTrainee->setText(ColumnsTreeTrainees::clmn_Archived, tr("yes"));
-                ItemTrainee->setIcon(ColumnsTreeTrainees::clmn_Trainee, QIcon(QStringLiteral(":/resources/icons/archive.png")));
+                ItemTrainee->setText(ColumnsTreeUsers::clmn_Archived, tr("yes"));
+                ItemTrainee->setIcon(ColumnsTreeUsers::clmn_Name, QIcon(QStringLiteral(":/resources/icons/archive.png")));
                 setItemColorArchive(ItemTrainee);
             }
             else
             {//Не Архивный
-                ItemTrainee->setText(ColumnsTreeTrainees::clmn_Archived, tr("no"));
-                ItemTrainee->setIcon(ColumnsTreeTrainees::clmn_Trainee, QIcon(QStringLiteral(":/resources/icons/trainee.png")));
+                ItemTrainee->setText(ColumnsTreeUsers::clmn_Archived, tr("no"));
+                ItemTrainee->setIcon(ColumnsTreeUsers::clmn_Name, QIcon(QStringLiteral(":/resources/icons/trainee.png")));
                 setItemColorNoArchive(ItemTrainee);
                 cntChildsNotArchived++;
             }
 
             if(trainee.getLoggedIn())
             {//Залогинен
-                //ItemTrainee->setText(ColumnsTreeTrainees::clmn_Logged, tr("yes"));
-                ItemTrainee->setIcon(ColumnsTreeTrainees::clmn_Logged, QIcon(QStringLiteral(":/resources/icons/circleGreen.png")));
+                //ItemTrainee->setText(ColumnsTreeUsers::clmn_Logged, tr("yes"));
+                ItemTrainee->setIcon(ColumnsTreeUsers::clmn_Logged, QIcon(QStringLiteral(":/resources/icons/circleGreen.png")));
             }
             else
             {//Не Залогинен
-                //ItemTrainee->setText(ColumnsTreeTrainees::clmn_Logged, tr("no"));
-                ItemTrainee->setIcon(ColumnsTreeTrainees::clmn_Logged, QIcon(QStringLiteral(":/resources/icons/circleGray.png")));
+                //ItemTrainee->setText(ColumnsTreeUsers::clmn_Logged, tr("no"));
+                ItemTrainee->setIcon(ColumnsTreeUsers::clmn_Logged, QIcon(QStringLiteral(":/resources/icons/circleGray.png")));
             }
 
             ItemGroup->addChild(ItemTrainee);
@@ -215,19 +127,13 @@ void TraineesView::loadTraineesFromDB()
     else
         setCurrentTrainee(lastCurrentID);
 
-    treeWidget->sortItems(ColumnsTreeTrainees::clmn_Trainee, Qt::SortOrder::AscendingOrder);
+    treeWidget->sortItems(ColumnsTreeUsers::clmn_Name, Qt::SortOrder::AscendingOrder);
 
     mtxTreeWidget.unlock();
 
     waitAnimationWidget->hideWithStop();
 }
 
-void TraineesView::reSetHeadTreeWidget()
-{
-    QStringList listHeaders = {tr("Trainee"), tr("Login"), tr("Password"), tr("Class"), tr("Computer"), tr("IP address"), tr("Archived"), tr("Logged"), tr("ID")};
-    treeWidget->setHeaderLabels(listHeaders);
-}
-
 void TraineesView::setCurrentGroup(int id)
 {
     typeObject = TypeObject::objGroup;
@@ -236,7 +142,7 @@ void TraineesView::setCurrentGroup(int id)
     {
         QTreeWidgetItem * item = treeWidget->topLevelItem(i);
         if(item != nullptr)
-            if(item->text(ColumnsTreeTrainees::clmn_ID).toInt() == id)
+            if(item->text(ColumnsTreeUsers::clmn_ID).toInt() == id)
             {
                 treeWidget->setCurrentItem(item);
                 return;
@@ -263,7 +169,7 @@ void TraineesView::setCurrentTrainee(int id)
             {
                 QTreeWidgetItem * itemChild = item->child(j);
                 if(itemChild != nullptr)
-                    if(itemChild->text(ColumnsTreeTrainees::clmn_ID).toInt() == id)
+                    if(itemChild->text(ColumnsTreeUsers::clmn_ID).toInt() == id)
                     {
                         treeWidget->setCurrentItem(itemChild);
                         return;
diff --git a/InstructorsAndTrainees/trainees/traineesview.h b/InstructorsAndTrainees/trainees/traineesview.h
index dab045a..4840aac 100644
--- a/InstructorsAndTrainees/trainees/traineesview.h
+++ b/InstructorsAndTrainees/trainees/traineesview.h
@@ -13,34 +13,13 @@ class TraineesView: public CommonView
 public:
     TraineesView(ConnectorToServer* connectorToServer, TypeView type, QWidget *parent = nullptr);
 
-protected:
-    enum ColumnsTreeTrainees{        
-        clmn_Trainee = 0,
-        clmn_Login,
-        clmn_Password,
-        clmn_Class,
-        clmn_Computer,
-        clmn_IP_address,
-        clmn_Archived,
-        clmn_Logged,
-        clmn_ID,
-        clmn_count
-    };
-
-public:
-    void resizeEvent(QResizeEvent *event) override;
-
 public Q_SLOTS:
     //Слот обработки сигнала необходимости обновления интерфейса
     void slot_NeedUpdateUI(bool treeInstructor, bool treeTrainee);
 
 protected:
     virtual void updateButtons(){};
-    void preparationTreeWidget();
     void loadTraineesFromDB();
-
-    void reSetHeadTreeWidget();
-
     void setCurrentGroup(int id);
     void setCurrentTrainee(int id);
 };
diff --git a/InstructorsAndTrainees/trainees/viewertrainees.cpp b/InstructorsAndTrainees/trainees/viewertrainees.cpp
index 699771a..71f15f7 100644
--- a/InstructorsAndTrainees/trainees/viewertrainees.cpp
+++ b/InstructorsAndTrainees/trainees/viewertrainees.cpp
@@ -116,7 +116,7 @@ void ViewerTrainees::on_itemDoubleClicked(QTreeWidgetItem *item, int column)
 
     if(item->childCount() == 0)
     {//Выбран обучаемый
-        QString login = item->text(ColumnsTreeTrainees::clmn_Login);
+        QString login = item->text(ColumnsTreeUsers::clmn_Login);
         if(login != "")
         {
             int id_trainee = connectorToServer->getIdTraineeByLogin(login);
@@ -145,7 +145,7 @@ void ViewerTrainees::on_treeWidgetItemClicked(QTreeWidgetItem *item, int column)
     {//Выбран обучаемый
         typeObject = TypeObject::objTrainee;
 
-        QString login = item->text(ColumnsTreeTrainees::clmn_Login);
+        QString login = item->text(ColumnsTreeUsers::clmn_Login);
         //if(login != "")
         {
             int newCurrentID = connectorToServer->getIdTraineeByLogin(login);
@@ -162,7 +162,7 @@ void ViewerTrainees::on_treeWidgetItemClicked(QTreeWidgetItem *item, int column)
     {//Выбрана группа
         typeObject = TypeObject::objGroup;
 
-        int id_group = item->text(ColumnsTreeTrainees::clmn_ID).toInt();
+        int id_group = item->text(ColumnsTreeUsers::clmn_ID).toInt();
 
         lastCurrentID = id_group;
         typeObject = TypeObject::objGroup;