diff --git a/entry/src/main/ets/pages/DownSamplePage.ets b/entry/src/main/ets/pages/DownSamplePage.ets
index 9355a40..e4ff7ba 100644
--- a/entry/src/main/ets/pages/DownSamplePage.ets
+++ b/entry/src/main/ets/pages/DownSamplePage.ets
@@ -132,8 +132,8 @@ struct DownSamplePage {
     decodingOptions = {
       editable: true,
       desiredSize: {
-        width: reqSize.targetWidth,
-        height: reqSize.targetHeight
+        width: reqSize.width,
+        height: reqSize.height
       }
     }
     // 创建pixelMap