diff --git a/designer-base/src/main/java/com/fr/design/mainframe/theme/TemplateThemePreviewPane.java b/designer-base/src/main/java/com/fr/design/mainframe/theme/TemplateThemePreviewPane.java
index fab425fbe..9fb072b11 100644
--- a/designer-base/src/main/java/com/fr/design/mainframe/theme/TemplateThemePreviewPane.java
+++ b/designer-base/src/main/java/com/fr/design/mainframe/theme/TemplateThemePreviewPane.java
@@ -41,17 +41,9 @@ public abstract class TemplateThemePreviewPane<T extends TemplateTheme> extends
 
         int thumbnailWidth = ThemeThumbnail.WIDTH;
         int thumbnailHeight = ThemeThumbnail.HEIGHT;
-        float thumbnailAspect = 1.0F * thumbnailWidth / thumbnailHeight;
 
         int width = getWidth();
         int height = getHeight();
-        float aspect = 1.0F * width / height;
-
-        if (thumbnailAspect > aspect) {
-            height = (int) (width / thumbnailAspect);
-        } else {
-            width = (int) (height * thumbnailAspect);
-        }
 
         try {
             // 使用TYPE_INT_RGB和new Color(255, 255, 255, 1)设置有透明背景buffer image,