diff --git a/src/PBAnaly/MainForm.cs b/src/PBAnaly/MainForm.cs
index 0035da5..c9ffc6a 100644
--- a/src/PBAnaly/MainForm.cs
+++ b/src/PBAnaly/MainForm.cs
@@ -189,7 +189,11 @@ namespace PBAnaly
 
         private void MainForm_SizeChanged(object sender, EventArgs e)
         {
-           
+            //刷新
+            foreach (var item in bioanalysisMannages)
+            {
+                item.Value.GetImagePanel.CenterPictureBox();
+            }
         }
 
         private void materialButton_LoadData_Click(object sender, EventArgs e)
diff --git a/src/PBAnaly/UI/BioanalyImagePanel.cs b/src/PBAnaly/UI/BioanalyImagePanel.cs
index 63e01ff..ca345b3 100644
--- a/src/PBAnaly/UI/BioanalyImagePanel.cs
+++ b/src/PBAnaly/UI/BioanalyImagePanel.cs
@@ -265,8 +265,8 @@ namespace PBAnaly.UI
             int h = (int)(pl_bg_panel.Height * factor);
             if (w < pl_panel_image.Width - 50 || h < pl_panel_image.Height - 50)
             {
-                w = pl_panel_image.Width - 50;
-                h = pl_panel_image.Height - 50;
+                w = pl_panel_image.Width ;
+                h = pl_panel_image.Height ;
             }
 
             if (w > pl_panel_image.Width * 5 || h > pl_panel_image.Height * 5)