diff --git a/RaspberryPi&JetsonNano/python/lib/waveshare_epd/epd2in7.py b/RaspberryPi&JetsonNano/python/lib/waveshare_epd/epd2in7.py
index 4fd830c..d78b5d6 100644
--- a/RaspberryPi&JetsonNano/python/lib/waveshare_epd/epd2in7.py
+++ b/RaspberryPi&JetsonNano/python/lib/waveshare_epd/epd2in7.py
@@ -369,7 +369,7 @@ class EPD:
 
         self.send_command(0x00) # PANEL_SETTING
         # self.send_data(0xAF) # KW-BF   KWR-AF    BWROTP 0f
-        self.send_data(0x2F) # KW-BF   KWR-AF    BWROTP 0f
+        self.send_data(0xEF) # KW-BF   KWR-AF    BWROTP 0f
         
         self.send_command(0x30) # PLL_CONTROL
         self.send_data(0x3A) # 3A 100HZ   29 150Hz 39 200HZ    31 171HZ