diff --git a/examples/mqtt.py b/examples/mqtt.py
index b9c1515..af6355f 100644
--- a/examples/mqtt.py
+++ b/examples/mqtt.py
@@ -8,7 +8,7 @@ if os.path.exists(libdir):
     sys.path.append(libdir)
 
 import logging
-from waveshare_epd import epd2in13d
+from waveshare_epd import epd2in13bc
 import time
 from PIL import Image,ImageDraw,ImageFont
 import traceback
@@ -34,7 +34,7 @@ client_id = "solarmonitor"
 try:
     logging.info("epd2in13bc Demo")
     
-    epd = epd2in13d.EPD()
+    epd = epd2in13bc.EPD()
     logging.info("init and Clear")
     epd.init()
     epd.Clear()
@@ -47,16 +47,16 @@ try:
     # Drawing on the Horizontal image
     logging.info("1.Drawing on the Horizontal image...") 
     HBlackimage = Image.new('1', (epd.height, epd.width), 255)  # 298*126
-    #HRedimage = Image.new('1', (epd.height, epd.width), 255)  # 298*126  ryimage: red or yellow image  
+    HRedimage = Image.new('1', (epd.height, epd.width), 255)  # 298*126  ryimage: red or yellow image  
     drawblack = ImageDraw.Draw(HBlackimage)
-    #drawred = ImageDraw.Draw(HRedimage)
+    drawred = ImageDraw.Draw(HRedimage)
     drawblack.text((5, 0), 'PV Produktion', font = font10, fill = 0)
     drawblack.text((5, 15), 'Hausverbrauch', font = font10, fill = 0)
     drawblack.text((5, 30), 'Strom Import/Export', font = font10, fill = 0)
     drawblack.text((5, 45), 'Batterie %', font = font10, fill = 0)
     drawblack.text((5, 60), 'Batterie Laden/Entladen', font = font10, fill = 0)
-    #epd.display(epd.getbuffer(HBlackimage), epd.getbuffer(HRedimage))
-    epd.display(epd.getbuffer(HBlackimage))
+    epd.display(epd.getbuffer(HBlackimage), epd.getbuffer(HRedimage))
+    #epd.display(epd.getbuffer(HBlackimage))
 
     #time.sleep(1)
 
@@ -65,7 +65,7 @@ except IOError as e:
     
 except KeyboardInterrupt:    
     logging.info("ctrl + c:")
-    epd2in13d.epdconfig.module_exit()
+    epd2in13bc.epdconfig.module_exit()
     exit()
 
 
@@ -157,7 +157,7 @@ try:
         drawblack.rectangle((150, 60, 220, 50), fill = 1)
         drawblack.text((150, 60), value_houseBatteryLoadUnload, font = font10, fill = 0)
 
-        epd.display(epd.getbuffer(HBlackimage))
+        epd.display(epd.getbuffer(HBlackimage), epd.getbuffer(HRedimage))
   
 except KeyboardInterrupt:
     print("exiting")