[shutdown] fix bugs

takway/board/orangepi.py

@@ -2,6 +2,7 @@ from takway.board.base_hd import BaseHardware
 import threading
 from datetime import datetime
 import time
+import subprocess
 try:
     import wiringpi
     from wiringpi import GPIO
@@ -78,7 +79,6 @@ class OrangePi(BaseHardware):
                     press_duration = (datetime.now() - press_time_1).total_seconds()
                     # if press_duration > 0.01:
                     if press_duration > 5:
-                        time.sleep(1) # 防止短按误触发
                         subprocess.Popen('sudo shutdown now', shell=True)
                     else:
                         self.long_power_status = not self.long_power_status