diff --git a/ppcls/engine/engine.py b/ppcls/engine/engine.py
index 40496ab019702fa91706cdd58f9e23161b7420b4..378d241ba9d27538ebc2f79466d7d82baff9f080 100755
--- a/ppcls/engine/engine.py
+++ b/ppcls/engine/engine.py
@@ -522,7 +522,9 @@ class Engine(object):
                 if isinstance(out, dict) and "output" in out:
                     out = out["output"]
 
-                results.extend(self.postprocess_func(out, image_file_list))
+                result = self.postprocess_func(out, image_file_list)
+                logger.info(result)
+                results.extend(result)
                 batch_data.clear()
                 image_file_list.clear()
         return results