seahub启动报错ImportError:libtiff.so

服务器Ubuntu 16.04 64位版本 Apache2.4,安装的6.2.3_x86-64 seafile
seafile启动成功
运行./seahub start-fastcgi报错如下

Traceback (most recent call last):
  File "/home/tmr/seafile/seafile-server-6.2.3/seahub/manage.py", line 10, in <module>
    execute_from_command_line(sys.argv)
  File "/home/tmr/seafile/seafile-server-6.2.3/seahub/thirdpart/Django-1.8.18-py2.7.egg/django/core/management/__init__.py", line 354, in execute_from_command_line
    utility.execute()
  File "/home/tmr/seafile/seafile-server-6.2.3/seahub/thirdpart/Django-1.8.18-py2.7.egg/django/core/management/__init__.py", line 328, in execute
    django.setup()
  File "/home/tmr/seafile/seafile-server-6.2.3/seahub/thirdpart/Django-1.8.18-py2.7.egg/django/__init__.py", line 18, in setup
    apps.populate(settings.INSTALLED_APPS)
  File "/home/tmr/seafile/seafile-server-6.2.3/seahub/thirdpart/Django-1.8.18-py2.7.egg/django/apps/registry.py", line 108, in populate
    app_config.import_models(all_models)
  File "/home/tmr/seafile/seafile-server-6.2.3/seahub/thirdpart/Django-1.8.18-py2.7.egg/django/apps/config.py", line 198, in import_models
    self.models_module = import_module(models_module_name)
  File "/home/tmr/seafile/seafile-server-6.2.3/seahub/thirdpart/importlib-1.0.4-py2.6.egg/importlib/__init__.py", line 37, in import_module
    __import__(name)
  File "/home/tmr/seafile/seafile-server-6.2.3/seahub/seahub/avatar/models.py", line 25, in <module>
    import Image
  File "/usr/lib/python2.7/dist-packages/PILcompat/Image.py", line 1, in <module>
    from PIL.Image import *
  File "/usr/lib/python2.7/dist-packages/PIL/Image.py", line 66, in <module>
    from PIL import _imaging as core
ImportError: libtiff.so.3: cannot open shared object file: No such file or directory

运行./seahub.sh start 提示:

Starting seahub at port 8000 ...
Error:Seahub failed to start.
Please try to run "./seahub.sh start" again