diff --git a/example/src/main/java/top/zibin/luban/example/MainActivity.java b/example/src/main/java/top/zibin/luban/example/MainActivity.java
index eaa6c24..cf1b9fa 100644
--- a/example/src/main/java/top/zibin/luban/example/MainActivity.java
+++ b/example/src/main/java/top/zibin/luban/example/MainActivity.java
@@ -75,10 +75,7 @@ public boolean onOptionsItemSelected(MenuItem item) {
 
     switch (item.getItemId()) {
       case R.id.sync_files:
-        List<File> list = new ArrayList<>();
-        list.add(new File("/data/user/0/1529400069961674"));
-        originPhotos.addAll(list);
-        withRx(list);
+        withRx(assetsToFiles());
         break;
       case R.id.sync_uris:
         withRx(assetsToUri());