diff --git a/entry/src/main/ets/media/MediaFileUri.ets b/entry/src/main/ets/media/MediaFileUri.ets
index fa0c8e25dcbcbeb34e55835c7f87812342f7fb92..d3d5ab6329c7f17729f770e17923762a3c912d7d 100644
--- a/entry/src/main/ets/media/MediaFileUri.ets
+++ b/entry/src/main/ets/media/MediaFileUri.ets
@@ -96,7 +96,9 @@ export default class MediaFileUri {
       try {
         let buffer = new ArrayBuffer(BUFFER_SIZE);
         let readOut = fileIo.readSync(this.commonFd, buffer, { offset: 0 });
-        content = bufferToString(buffer);
+        let newBuffer = new ArrayBuffer(readOut);
+        let newReadOut = fileIo.readSync(this.commonFd, newBuffer, { offset: 0 });
+        content = bufferToString(newBuffer);
       } catch (err) {
         Logger.error(TAG, 'myReadSync: read error: ' + err);
         return content;