Install Error

I installed the homeassistant on the Router with Pandavan,when I run ‘hass’ has the following error:

Config directory: /home/admin/.homeassistant
Traceback (most recent call last):
  File "/opt/bin/hass", line 11, in <module>
  File "/opt/lib/python3.6/site-packages/homeassistant/", line 369, in main
    exit_code = setup_and_run_hass(config_dir, args)
  File "/opt/lib/python3.6/site-packages/homeassistant/", line 274, in setup_and_run_hass
  File "/opt/lib/python3.6/site-packages/homeassistant/", line 179, in from_config_file
    log_rotate_days, log_file, log_no_color)
  File "/", line 467, in run_until_complete
  File "/", line 245, in result
  File "/", line 180, in _step
  File "/opt/lib/python3.6/site-packages/homeassistant/", line 206, in async_from_config_file
  File "/opt/lib/python3.6/site-packages/homeassistant/", line 292, in async_enable_logging
    async_handler = AsyncHandler(hass.loop, err_handler)
  File "/opt/lib/python3.6/site-packages/homeassistant/util/", line 49, in __init__
  File "/", line 846, in start
RuntimeError: can't start new thread
Exception ignored in: <bound method BaseEventLoop.__del__ of <_UnixSelectorEventLoop running=False closed=True debug=False>>
Traceback (most recent call last):
  File "/", line 512, in __del__
  File "/", line 65, in close
  File "/", line 146, in remove_signal_handler
  File "/", line 47, in signal
TypeError: signal handler must be signal.SIG_IGN, signal.SIG_DFL, or a callable object