diff --git a/RaspberryPi&JetsonNano/python/lib/waveshare_epd/epd2in7.py b/RaspberryPi&JetsonNano/python/lib/waveshare_epd/epd2in7.py
index 21cfd77..c7b4e3c 100644
--- a/RaspberryPi&JetsonNano/python/lib/waveshare_epd/epd2in7.py
+++ b/RaspberryPi&JetsonNano/python/lib/waveshare_epd/epd2in7.py
@@ -549,12 +549,15 @@ class EPD:
         self.ReadBusy()
 
     def sleep(self):
-        self.send_command(0x50)
-        self.send_data(0xf7)
-        self.send_command(0x02)  # power off
-        self.ReadBusy()
-        self.send_command(0x07)  # deep sleep
-        self.send_data(0xa5)
+        # self.send_command(0x50)
+        # self.send_data(0xf7)
+        # self.send_command(0x02)  # power off
+        # self.ReadBusy()
+        # self.send_command(0x07)  # deep sleep
+        # self.send_data(0xa5)
+        # self.ReadBusy()
+        # epdconfig.module_exit()
+        self.send_command(DEEP_SLEEP)
         self.ReadBusy()
         epdconfig.module_exit()
 ### END OF FILE ###