diff --git a/RaspberryPi_JetsonNano/python/lib/waveshare_epd/epd2in7.py b/RaspberryPi_JetsonNano/python/lib/waveshare_epd/epd2in7.py
index c66cdae..8700ef3 100644
--- a/RaspberryPi_JetsonNano/python/lib/waveshare_epd/epd2in7.py
+++ b/RaspberryPi_JetsonNano/python/lib/waveshare_epd/epd2in7.py
@@ -501,13 +501,13 @@ class EPD:
         self.ReadBusy()
         # pass
         
-    def Clear(self, color):
+    def Clear(self, color=0xFF):
         self.send_command(0x10)
         for i in range(0, int(self.width * self.height / 8)):
-            self.send_data(0xFF)
+            self.send_data(color)
         self.send_command(0x13)
         for i in range(0, int(self.width * self.height / 8)):
-            self.send_data(0xFF)
+            self.send_data(color)
         self.send_command(0x12) 
         self.ReadBusy()
 
diff --git a/RaspberryPi_JetsonNano/python/lib/waveshare_epd/epd2in7b.py b/RaspberryPi_JetsonNano/python/lib/waveshare_epd/epd2in7b.py
index b422d4a..8c06ab0 100644
--- a/RaspberryPi_JetsonNano/python/lib/waveshare_epd/epd2in7b.py
+++ b/RaspberryPi_JetsonNano/python/lib/waveshare_epd/epd2in7b.py
@@ -243,15 +243,15 @@ class EPD:
         self.send_command(0x12) 
         self.ReadBusy()
         
-    def Clear(self):
+    def Clear(self, color=0x00):
         self.send_command(0x10)
         for i in range(0, int(self.width * self.height / 8)):
-            self.send_data(0x00)
+            self.send_data(color)
         self.send_command(0x11) 
         
         self.send_command(0x13)
         for i in range(0, int(self.width * self.height / 8)):
-            self.send_data(0x00)
+            self.send_data(color)
         self.send_command(0x11)
         
         self.send_command(0x12)