diff --git a/library/src/main/ets/downsampling/Downsampler.ets b/library/src/main/ets/downsampling/Downsampler.ets
index d324959..72f0170 100644
--- a/library/src/main/ets/downsampling/Downsampler.ets
+++ b/library/src/main/ets/downsampling/Downsampler.ets
@@ -40,7 +40,7 @@ export class Downsampler {
     autoResize:boolean |undefined
 
   ): calculateScaleType {
-    let degreesToRotate: ESObject = 0; //获取旋转角度
+    let degreesToRotate: ESObject = 90;
     const fileType = typeValue //获取图片类型
     let powerOfTwoWidth: number | null = null;
     let powerOfTwoHeight: number | null = null;