diff --git a/RaspberryPi&JetsonNano/python/examples/epd_2in7_test.py b/RaspberryPi&JetsonNano/python/examples/epd_2in7_test.py
index 69ccecb..89f2b85 100644
--- a/RaspberryPi&JetsonNano/python/examples/epd_2in7_test.py
+++ b/RaspberryPi&JetsonNano/python/examples/epd_2in7_test.py
@@ -51,7 +51,7 @@ try:
     Limage = Image.new('1', (epd.width, epd.height), 255)  # 255: clear the frame
     draw = ImageDraw.Draw(Limage)
     draw.text((2, 0), 'hello world', font = font18, fill = 0)
-    draw.text((20, 50), u'微雪电子', font = font18, fill = 0)
+    draw.text((20, 50), u'よろしく', font = font18, fill = 0)
     draw.line((10, 90, 60, 140), fill = 0)
     draw.line((60, 90, 10, 140), fill = 0)
     draw.rectangle((10, 90, 60, 140), outline = 0)
@@ -81,9 +81,9 @@ try:
     
     Limage = Image.new('L', (epd.width, epd.height), 0)  # 255: clear the frame
     draw = ImageDraw.Draw(Limage)
-    draw.text((20, 0), u'微雪电子', font = font35, fill = epd.GRAY1)
-    draw.text((20, 35), u'微雪电子', font = font35, fill = epd.GRAY2)
-    draw.text((20, 70), u'微雪电子', font = font35, fill = epd.GRAY3)
+    draw.text((20, 0), u'よろしく', font = font35, fill = epd.GRAY1)
+    draw.text((20, 35), u'よろしく', font = font35, fill = epd.GRAY2)
+    draw.text((20, 70), u'よろしく', font = font35, fill = epd.GRAY3)
     draw.text((40, 110), 'hello world', font = font18, fill = epd.GRAY1)
     draw.line((10, 140, 60, 190), fill = epd.GRAY1)
     draw.line((60, 140, 10, 190), fill = epd.GRAY1)
diff --git a/RaspberryPi&JetsonNano/python/lib/waveshare_epd/epd2in7.py b/RaspberryPi&JetsonNano/python/lib/waveshare_epd/epd2in7.py
index 3e08e7b..245ee9a 100644
--- a/RaspberryPi&JetsonNano/python/lib/waveshare_epd/epd2in7.py
+++ b/RaspberryPi&JetsonNano/python/lib/waveshare_epd/epd2in7.py
@@ -150,7 +150,7 @@ class EPD:
     
     lut_ww = [
         # 0xA0, 0x0E, 0x00, 0x00, 0x00, 0x01,
-        0xA0, 0x12, 0x12, 0x00, 0x00, 0x02,
+        0xA0, 0x12, 0x12, 0x00, 0x00, 0x01,
         0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
         0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
         0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
@@ -160,7 +160,7 @@ class EPD:
     ]
     lut_bw = [
         # 0xA0, 0x0E, 0x00, 0x00, 0x00, 0x01,
-        0xA0, 0x12, 0x12, 0x00, 0x00, 0x02,
+        0xA0, 0x12, 0x12, 0x00, 0x00, 0x01,
         0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
         0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
         0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
@@ -170,7 +170,7 @@ class EPD:
     ]
     lut_bb = [
         # 0x50, 0x0E, 0x00, 0x00, 0x00, 0x01,
-        0x50, 0x12, 0x12, 0x00, 0x00, 0x02,
+        0x50, 0x12, 0x12, 0x00, 0x00, 0x01,
         0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
         0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
         0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
@@ -180,7 +180,7 @@ class EPD:
     ]
     lut_wb = [
         # 0x50, 0x0E, 0x00, 0x00, 0x00, 0x01,
-        0x50, 0x12, 0x12, 0x00, 0x00, 0x02,
+        0x50, 0x12, 0x12, 0x00, 0x00, 0x01,
         0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
         0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
         0x00, 0x00, 0x00, 0x00, 0x00, 0x00,