[Modify]调整扫描结果排序

app/src/main/java/com/datarecovery/master/module/imgrecover/ImageItemAdapter.java

@@ -67,7 +67,7 @@ public class ImageItemAdapter extends RecyclerView.Adapter<ImageItemAdapter.View
             if (o1 == null || o2 == null) {
                 return 0;
             }
-            return Long.compare(o2.getLastModified(), o1.getLastModified());
+            return Long.compare(o1.getLastModified(), o2.getLastModified());
         });
         int itemCount;
         if (list != null) {