diff --git a/src/PBAnaly/MainForm.cs b/src/PBAnaly/MainForm.cs
index f260d3d..7077f90 100644
--- a/src/PBAnaly/MainForm.cs
+++ b/src/PBAnaly/MainForm.cs
@@ -525,7 +525,8 @@ namespace PBAnaly
                     data_tab.ResumeLayout();
                     int row = 0;
                     int col = 0;
-
+                    data_tab.Dock = DockStyle.Fill;
+                    DataProcess_panel.Controls.Add(data_tab);
                     int index = 0;
                     foreach (var bname in bioanalyName)
                     {
@@ -547,7 +548,8 @@ namespace PBAnaly
                         index++;
                         item.GetPanel.Dock = DockStyle.Fill;
                         data_tab.Controls.Add(item.GetPanel, col, row);
-                        item.GetImagePanel.CenterPictureBox();
+                        item.GetImagePanel.image_pl.SizeMode = PictureBoxSizeMode.Zoom;
+                        item.GetImagePanel.ava_auto_Click(null, null);
                         if (col < data_tab.ColumnCount - 2)
                         {
                             col++;
@@ -560,9 +562,6 @@ namespace PBAnaly
                     }
                     
 
-
-                    data_tab.Dock = DockStyle.Fill;
-                    DataProcess_panel.Controls.Add(data_tab);
                 }
                 else
                 {
diff --git a/src/PBAnaly/Module/BioanalysisMannage.cs b/src/PBAnaly/Module/BioanalysisMannage.cs
index d97c152..530aa48 100644
--- a/src/PBAnaly/Module/BioanalysisMannage.cs
+++ b/src/PBAnaly/Module/BioanalysisMannage.cs
@@ -129,8 +129,8 @@ namespace PBAnaly.Module
         private System.Drawing.Point curStartPolygonPoint = new System.Drawing.Point(0, 0);
         private System.Drawing.Point curPolygonPoint = new System.Drawing.Point(0, 0);
 
-        private System.Drawing.Point startPoint = new System.Drawing.Point(-10, 0);
-        private System.Drawing.Point endPoint = new System.Drawing.Point(-10, 0);
+        private System.Drawing.Point startPoint = new System.Drawing.Point(-100, 0);
+        private System.Drawing.Point endPoint = new System.Drawing.Point(-100, 0);
 
 
         private bool isStartCircleDragged, isEndCircleDragged;
@@ -1892,6 +1892,7 @@ namespace PBAnaly.Module
         public void Rifresh() 
         {
             imagePanel.pl_panel_image.Dock = DockStyle.Fill;
+            imagePanel.image_pl.SizeMode = PictureBoxSizeMode.StretchImage;
             imagePanel.tableLayoutPanel2.Controls.Add(imagePanel.pl_panel_image, 0, 0);
             imagePanel.tableLayoutPanel2.Controls.Add(imagePanel.tlp_right_panel, 1, 0);
             imagePanel.tlp_right_panel.Controls.Add(imagePanel.image_pr, 0, 0);
diff --git a/src/PBAnaly/UI/BioanalyImagePanel.Designer.cs b/src/PBAnaly/UI/BioanalyImagePanel.Designer.cs
index e2097db..5696266 100644
--- a/src/PBAnaly/UI/BioanalyImagePanel.Designer.cs
+++ b/src/PBAnaly/UI/BioanalyImagePanel.Designer.cs
@@ -32,6 +32,7 @@
             this.panel1 = new AntdUI.Panel();
             this.tableLayoutPanel1 = new System.Windows.Forms.TableLayoutPanel();
             this.panel2 = new AntdUI.Panel();
+            this.label2 = new AntdUI.Label();
             this.cbb_mode = new System.Windows.Forms.ComboBox();
             this.lb_imageIndex = new AntdUI.Label();
             this.cb_scientific = new AntdUI.Checkbox();
@@ -50,7 +51,6 @@
             this.tlp_right_panel = new System.Windows.Forms.TableLayoutPanel();
             this.lb_wh = new AntdUI.Label();
             this.image_pr = new AntdUI.Image3D();
-            this.label2 = new AntdUI.Label();
             this.panel1.SuspendLayout();
             this.tableLayoutPanel1.SuspendLayout();
             this.panel2.SuspendLayout();
@@ -120,6 +120,16 @@
             this.panel2.TabIndex = 0;
             this.panel2.Text = "panel2";
             // 
+            // label2
+            // 
+            this.label2.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
+            | System.Windows.Forms.AnchorStyles.Left)));
+            this.label2.Location = new System.Drawing.Point(36, 0);
+            this.label2.Name = "label2";
+            this.label2.Size = new System.Drawing.Size(36, 23);
+            this.label2.TabIndex = 1;
+            this.label2.Text = "模式:";
+            // 
             // cbb_mode
             // 
             this.cbb_mode.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
@@ -338,16 +348,6 @@
             this.image_pr.TabIndex = 1;
             this.image_pr.Text = "image3D1";
             // 
-            // label2
-            // 
-            this.label2.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
-            | System.Windows.Forms.AnchorStyles.Left)));
-            this.label2.Location = new System.Drawing.Point(36, 0);
-            this.label2.Name = "label2";
-            this.label2.Size = new System.Drawing.Size(36, 23);
-            this.label2.TabIndex = 1;
-            this.label2.Text = "模式:";
-            // 
             // BioanalyImagePanel
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);