diff --git a/ohos/testpicture/ohos/entry/src/main/ets/pictureplugin/PicturePlugin.ets b/ohos/testpicture/ohos/entry/src/main/ets/pictureplugin/PicturePlugin.ets
index 8b8a83af959fffe5e9012f268227f979a3ec124d..47786d7855bf383d59547f9763f657393cccbf44 100644
--- a/ohos/testpicture/ohos/entry/src/main/ets/pictureplugin/PicturePlugin.ets
+++ b/ohos/testpicture/ohos/entry/src/main/ets/pictureplugin/PicturePlugin.ets
@@ -27,7 +27,6 @@ export class PicturePlugin implements FlutterPlugin, MethodCallHandler {
   private binding: FlutterPluginBinding | null = null;
   private mMethodChannel: MethodChannel | null = null;
   private textureRegistry: TextureRegistry | null = null;
-  private fileData: Uint8Array | null = null;
   private pixelMapCache: HashMap<number, image.PixelMap> = new HashMap<number, image.PixelMap>();
 
   getUniqueClassName(): string {
@@ -67,8 +66,8 @@ export class PicturePlugin implements FlutterPlugin, MethodCallHandler {
   }
 
   async registerPicturePixMap(pictureName: string) {
-    this.fileData  = await this.binding!.getApplicationContext().resourceManager.getRawFileContent(pictureName);
-    let buffer : ArrayBuffer = this.fileData?.buffer as ArrayBuffer ?? new ArrayBuffer(0);
+    let fileData = await this.binding!.getApplicationContext().resourceManager.getRawFileContent(pictureName);
+    let buffer : ArrayBuffer = fileData?.buffer as ArrayBuffer ?? new ArrayBuffer(0);
     let imageSource : image.ImageSource = image.createImageSource(buffer);
     let imageInfo = await imageSource.getImageInfo();
     Log.d(TAG, "ImageHeight " + imageInfo.size.height);