diff --git a/examples/solar-monitoring.py b/examples/solar-monitoring.py
index 1543d4d..76a5561 100644
--- a/examples/solar-monitoring.py
+++ b/examples/solar-monitoring.py
@@ -72,49 +72,53 @@ def run():
     car_soc = subscribe(client, topic_car_soc)
     charge_point_power = subscribe(client, topic_charge_point_power)
 
-try:
-    logging.info("epd2in13b_V3 Demo")
-    
-    epd = epd2in13b_V3.EPD()
-    #logging.info("init and Clear")
-    #epd.init()
-    #epd.Clear()
-    
-    # Drawing on the image
-    logging.info("Drawing")    
-    font16 = ImageFont.truetype(os.path.join(picdir, 'Font.ttc'), 16)
-    font18 = ImageFont.truetype(os.path.join(picdir, 'Font.ttc'), 18)
-    
-    # Drawing on the Horizontal image
-    logging.info("1.Drawing on the Horizontal image...") 
-    HBlackimage = Image.new('1', (epd.height, epd.width), 255)  # 298*126
-    HRYimage = Image.new('1', (epd.height, epd.width), 255)  # 298*126  ryimage: red or yellow image  
-    drawblack = ImageDraw.Draw(HBlackimage)
-    drawry = ImageDraw.Draw(HRYimage)
-    drawblack.text((2, 0), 'PV Production', font = font16, fill = 0)
-    drawblack.text((2, 16), 'Hausverbrauch', font = font16, fill = 0)
-    drawblack.text((2, 32), 'Strom Import', font = font16, fill = 0)
-    drawblack.text((2, 48), 'Batterie', font = font16, fill = 0)
-    drawblack.text((2, 64), 'Batterie Entladen', font = font16, fill = 0)
-    drawblack.text((2, 80), 'Auto Laden', font = font16, fill = 0)
+    monitor(charge_point_power)
 
-    drawblack.text((100, 80), str(charge_point_power), font = font16, fill = 0)
-    epd.display(epd.getbuffer(HBlackimage), epd.getbuffer(HRYimage))
 
-    #logging.info("Clear...")
-    #epd.init()
-    #epd.Clear()
-    
-    logging.info("Goto Sleep...")
-    epd.sleep()
+def monitor(charge_point_power)
+    try:
+        logging.info("epd2in13b_V3 Demo")
+        
+        epd = epd2in13b_V3.EPD()
+        #logging.info("init and Clear")
+        #epd.init()
+        #epd.Clear()
+        
+        # Drawing on the image
+        logging.info("Drawing")    
+        font16 = ImageFont.truetype(os.path.join(picdir, 'Font.ttc'), 16)
+        font18 = ImageFont.truetype(os.path.join(picdir, 'Font.ttc'), 18)
+        
+        # Drawing on the Horizontal image
+        logging.info("1.Drawing on the Horizontal image...") 
+        HBlackimage = Image.new('1', (epd.height, epd.width), 255)  # 298*126
+        HRYimage = Image.new('1', (epd.height, epd.width), 255)  # 298*126  ryimage: red or yellow image  
+        drawblack = ImageDraw.Draw(HBlackimage)
+        drawry = ImageDraw.Draw(HRYimage)
+        drawblack.text((2, 0), 'PV Production', font = font16, fill = 0)
+        drawblack.text((2, 16), 'Hausverbrauch', font = font16, fill = 0)
+        drawblack.text((2, 32), 'Strom Import', font = font16, fill = 0)
+        drawblack.text((2, 48), 'Batterie', font = font16, fill = 0)
+        drawblack.text((2, 64), 'Batterie Entladen', font = font16, fill = 0)
+        drawblack.text((2, 80), 'Auto Laden', font = font16, fill = 0)
 
-except IOError as e:
-    logging.info(e)
+        drawblack.text((100, 80), str(charge_point_power), font = font16, fill = 0)
+        epd.display(epd.getbuffer(HBlackimage), epd.getbuffer(HRYimage))
 
-except KeyboardInterrupt:    
-    logging.info("ctrl + c:")
-    epd2in13b_V3.epdconfig.module_exit()
-    exit()
+        #logging.info("Clear...")
+        #epd.init()
+        #epd.Clear()
+        
+        logging.info("Goto Sleep...")
+        epd.sleep()
+
+    except IOError as e:
+        logging.info(e)
+
+    except KeyboardInterrupt:    
+        logging.info("ctrl + c:")
+        epd2in13b_V3.epdconfig.module_exit()
+        exit()
     
     #client.loop_forever()