diff --git a/RaspberryPi&JetsonNano/python/lib/waveshare_epd/epd2in7.py b/RaspberryPi&JetsonNano/python/lib/waveshare_epd/epd2in7.py
index bfe92c1..8303f37 100644
--- a/RaspberryPi&JetsonNano/python/lib/waveshare_epd/epd2in7.py
+++ b/RaspberryPi&JetsonNano/python/lib/waveshare_epd/epd2in7.py
@@ -191,7 +191,7 @@ class EPD:
     def ReadBusy(self):        
         logging.debug("e-Paper busy")
         while(epdconfig.digital_read(self.busy_pin) == 0):      #  0: idle, 1: busy
-            epdconfig.delay_ms(200)                
+            epdconfig.delay_ms(1)                
         logging.debug("e-Paper busy release")
 
     def set_lut(self):