diff --git a/python/Pico_ePaper-2.13_V4.py b/python/Pico_ePaper-2.13_V4.py
index 6e97da7..b34e571 100644
--- a/python/Pico_ePaper-2.13_V4.py
+++ b/python/Pico_ePaper-2.13_V4.py
@@ -5,7 +5,7 @@
 # * | Info        :
 # *----------------
 # * | This version:   V1.0
-# * | Date        :   2021-11-01
+# * | Date        :   2023-03-14
 # # | Info        :   python demo
 # -----------------------------------------------------------------------------
 # Permission is hereby granted, free of charge, to any person obtaining a copy
@@ -717,4 +717,4 @@ def sleep(self):
     epd.init()
     epd.Clear()
     epd.delay_ms(2000)
-    epd.sleep()
\ No newline at end of file
+    epd.sleep()