diff --git a/PaddleCV/Research/astar2019/reader.py b/PaddleCV/Research/astar2019/reader.py
index 8024bf067fcd7240fcbd9830c7df5e0afe04592c..39efa44aa0ea53b3f6a111d315add7e23dc21519 100644
--- a/PaddleCV/Research/astar2019/reader.py
+++ b/PaddleCV/Research/astar2019/reader.py
@@ -71,7 +71,7 @@ class Settings(object):
         return self._ap_version
 
     @property
-    def apply_distort(self):
+    def apply_expand(self):
         return self._apply_expand
 
     @property