diff --git a/Windows/CS/Framework4.0/Camera/Camera/Setting.cs b/Windows/CS/Framework4.0/Camera/Camera/Setting.cs
index 1632231..2f8cc7a 100644
--- a/Windows/CS/Framework4.0/Camera/Camera/Setting.cs
+++ b/Windows/CS/Framework4.0/Camera/Camera/Setting.cs
@@ -219,18 +219,23 @@ namespace Camera
             Image currentImage = picBoxCamera.Image;
             if (currentImage == null) return;
 
-            int imageWidth, imageHeight;
+            int imageWidth = 0, imageHeight = 0;
+            bool imageValid = false;
             try
             {
                 imageWidth = currentImage.Width;
                 imageHeight = currentImage.Height;
-                if (imageWidth <= 0 || imageHeight <= 0) return;
+                if (imageWidth > 0 && imageHeight > 0)
+                {
+                    imageValid = true;
+                }
             }
             catch
             {
-                return;
             }
 
+            if (!imageValid) return;
+
             Graphics g = e.Graphics;
             g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
 
@@ -576,6 +581,24 @@ namespace Camera
 
         private void PicBoxCamera_MouseUp(object sender, MouseEventArgs e)
         {
+            if (e.Button == MouseButtons.Right)
+            {
+                if (_isEditingDetectionZone)
+                {
+                    _isEditingDetectionZone = false;
+                    toolStripButton1.Checked = false;
+                    toolStripButton1.ToolTipText = "修改检测区(点击开启)";
+                    return;
+                }
+                if (_isEditingLedZone)
+                {
+                    _isEditingLedZone = false;
+                    toolStripButton2.Checked = false;
+                    toolStripButton2.ToolTipText = "绘制Led区(点击开启)";
+                    return;
+                }
+            }
+
             Image currentImage = picBoxCamera.Image;
             if (currentImage == null || _camera == null) return;
 
@@ -746,7 +769,6 @@ namespace Camera
                 toolStripButton1.ToolTipText = "修改检测区(点击开启)";
             }
             UpdateDataGridView();
-            picBoxCamera.Invalidate();
         }
 
         private void ToolStripButton2_Click(object sender, EventArgs e)
@@ -768,7 +790,6 @@ namespace Camera
                 toolStripButton2.ToolTipText = "绘制Led区(点击开启)";
             }
             UpdateDataGridView();
-            picBoxCamera.Invalidate();
         }
 
         private void Setting_FormClosed(object sender, FormClosedEventArgs e)