diff --git a/egs/wenetspeech/ASR/pruned_transducer_stateless2/export.py b/egs/wenetspeech/ASR/pruned_transducer_stateless2/export.py
old mode 100755
new mode 100644
index 24d5fa5a2..c72aa3464
--- a/egs/wenetspeech/ASR/pruned_transducer_stateless2/export.py
+++ b/egs/wenetspeech/ASR/pruned_transducer_stateless2/export.py
@@ -1,5 +1,4 @@
 # Copyright 2021 Xiaomi Corporation (Author: Fangjun Kuang)
-#           2022 Xiaomi Corporation (Author: Mingshuang Luo)    
 #
 # See ../../../../LICENSE for clarification regarding multiple authors
 #