diff --git a/Trolleybus/Trolleybus/FormBusCollection.Designer.cs b/Trolleybus/Trolleybus/FormBusCollection.Designer.cs
index 37f5e48..27d737c 100644
--- a/Trolleybus/Trolleybus/FormBusCollection.Designer.cs
+++ b/Trolleybus/Trolleybus/FormBusCollection.Designer.cs
@@ -69,7 +69,7 @@
             buttonDeleteBus.TabIndex = 2;
             buttonDeleteBus.Text = "Удалить автобус";
             buttonDeleteBus.UseVisualStyleBackColor = true;
-            buttonDeleteBus.Click += ButtonRemoveCar_Click;
+            buttonDeleteBus.Click += ButtonRemoveBus_Click;
             // 
             // maskedTextBoxNumber
             // 
@@ -87,7 +87,7 @@
             buttonAddBus.TabIndex = 0;
             buttonAddBus.Text = "Добавить автобус";
             buttonAddBus.UseVisualStyleBackColor = true;
-            buttonAddBus.Click += ButtonAddCar_Click;
+            buttonAddBus.Click += ButtonAddBus_Click;
             // 
             // pictureBoxCollection
             // 
diff --git a/Trolleybus/Trolleybus/FormBusCollection.cs b/Trolleybus/Trolleybus/FormBusCollection.cs
index 70d420c..e48b547 100644
--- a/Trolleybus/Trolleybus/FormBusCollection.cs
+++ b/Trolleybus/Trolleybus/FormBusCollection.cs
@@ -27,12 +27,12 @@ namespace ProjectTrolleybus
         /// </summary>
         /// <param name="sender"></param>
         /// <param name="e"></param>
-        private void ButtonAddCar_Click(object sender, EventArgs e)
+        private void ButtonAddBus_Click(object sender, EventArgs e)
         {
             FormTrolleybus form = new();
             if (form.ShowDialog() == DialogResult.OK)
             {
-                if (_buses + form.SelectedBus != null)
+                if (_buses + form.SelectedBus != -1)
                 {
                     MessageBox.Show("Объект добавлен");
                     pictureBoxCollection.Image = _buses.ShowBuses();
@@ -48,7 +48,7 @@ namespace ProjectTrolleybus
         /// </summary>
         /// <param name="sender"></param>
         /// <param name="e"></param>
-        private void ButtonRemoveCar_Click(object sender, EventArgs e)
+        private void ButtonRemoveBus_Click(object sender, EventArgs e)
         {
             if (MessageBox.Show("Удалить объект?", "Удаление",
             MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.No)
@@ -56,7 +56,7 @@ namespace ProjectTrolleybus
                 return;
             }
             int pos = Convert.ToInt32(maskedTextBoxNumber.Text);
-            if (_buses - pos != null)
+            if (_buses - pos)
             {
                 MessageBox.Show("Объект удален");
                 pictureBoxCollection.Image = _buses.ShowBuses();