[shutdown] fix bugs

takway/board/orangepi.py

@@ -78,7 +78,8 @@ class OrangePi(BaseHardware):
                 if press_time_1:
                     press_duration = (datetime.now() - press_time_1).total_seconds()
                     # if press_duration > 0.01:
-                    if press_duration > 5:
+                    if press_duration > 3:
+                        self.set_led_on('red')
                         subprocess.Popen('sudo shutdown now', shell=True)
                     else:
                         self.long_power_status = not self.long_power_status