diff --git a/RaspberryPi&JetsonNano/python/lib/waveshare_epd/epd2in7.py b/RaspberryPi&JetsonNano/python/lib/waveshare_epd/epd2in7.py
index abd6604..88f71c1 100644
--- a/RaspberryPi&JetsonNano/python/lib/waveshare_epd/epd2in7.py
+++ b/RaspberryPi&JetsonNano/python/lib/waveshare_epd/epd2in7.py
@@ -114,14 +114,23 @@ class EPD:
         0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
         0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
     ]
+    # lut_wb = [
+    #     0x80, 0x08, 0x00, 0x00, 0x00, 0x02,
+    #     0x90, 0x28, 0x28, 0x00, 0x00, 0x01,
+    #     0x80, 0x14, 0x00, 0x00, 0x00, 0x01,
+    #     0x50, 0x12, 0x12, 0x00, 0x00, 0x01,
+    #     0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    #     0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    #     0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    # ]
     lut_wb = [
-        0x80, 0x08, 0x00, 0x00, 0x00, 0x02,
-        0x90, 0x28, 0x28, 0x00, 0x00, 0x01,
-        0x80, 0x14, 0x00, 0x00, 0x00, 0x01,
         0x50, 0x12, 0x12, 0x00, 0x00, 0x01,
         0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
         0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
         0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
     ]
     ###################full screen update LUT######################
     #0~3 gray