about 修改为2.4

OTSIncAMeasureApp/About.cs

@@ -20,7 +20,7 @@ namespace OTSMeasureApp
         private void About_Load(object sender, EventArgs e)
         {
 
-            richTextBox1.Text = "Version : 2.31";
+            richTextBox1.Text = "Version : 2.4";
             richTextBox1.Select(0, richTextBox1.Text.Length);
             //richTextBox1.SelectionColor = Color.DarkBlue;
             richTextBox1.SelectionAlignment = HorizontalAlignment.Center;