diff --git a/src/main/java/com/ycwl/basic/utils/ImageUtils.java b/src/main/java/com/ycwl/basic/utils/ImageUtils.java
index 96381cc3..16718bb2 100644
--- a/src/main/java/com/ycwl/basic/utils/ImageUtils.java
+++ b/src/main/java/com/ycwl/basic/utils/ImageUtils.java
@@ -336,7 +336,7 @@ public class ImageUtils {
         // 测试两种情况: 不旋转、旋转270度
         int[][] scenarios = {
             {0, srcWidth, srcHeight},           // 不旋转
-            {270, srcHeight, srcWidth}          // 旋转270度
+            {90, srcHeight, srcWidth}          // 旋转270度
         };
 
         for (int[] scenario : scenarios) {
@@ -379,7 +379,7 @@ public class ImageUtils {
         int width = source.getWidth();
         int height = source.getHeight();
 
-        // 270度会交换宽高
+        // 90度会交换宽高
         BufferedImage rotated = new BufferedImage(height, width, source.getType());
         Graphics2D g2d = null;
 
@@ -388,7 +388,7 @@ public class ImageUtils {
 
             AffineTransform transform = new AffineTransform();
             transform.translate(height / 2.0, width / 2.0);
-            transform.rotate(-Math.PI / 2);
+            transform.rotate(Math.PI / 2);
             transform.translate(-width / 2.0, -height / 2.0);
 
             g2d.setTransform(transform);