salt服务端向客户端同步grains错误一枚

在执行salt \* saltutil.sync_grains
minion.salt.com:
The minion function caused an exception: Traceback (most recent call last):
File "/usr/lib/python2.6/site-packages/salt/minion.py", line 1200, in _thread_return
return_data = func(*args, **kwargs)
File "/usr/lib/python2.6/site-packages/salt/modules/saltutil.py", line 343, in sync_grains
ret = _sync('grains', saltenv)
File "/usr/lib/python2.6/site-packages/salt/modules/saltutil.py", line 88, in _sync
saltenv = _get_top_file_envs()
File "/usr/lib/python2.6/site-packages/salt/modules/saltutil.py", line 70, in _get_top_file_envs
top = st_.get_top()
File "/usr/lib/python2.6/site-packages/salt/state.py", line 2444, in get_top
return self.merge_tops(tops)
File "/usr/lib/python2.6/site-packages/salt/state.py", line 2363, in merge_tops
for saltenv, targets in ctop.items():
AttributeError: 'str' object has no attribute 'items'

2016-02-23 12:30:41,096 [salt.master      ][ERROR   ][3138] Received minion error from [minion.salt.com]: The minion function caused an exception

2016-02-02 00:46:33,058 [salt.minion                              ][WARNING ][1396] The minion function caused an exception

salt-minion -l debug
2016-02-23 12:36:10,113 [salt.loaded.int.render.yaml][DEBUG   ][1564] Results of YAML rendering:
You should modify the /srv/salt/top.sls
2016-02-23 12:36:10,115 [salt.minion      ][WARNING ][1564] The minion function caused an exception
Traceback (most recent call last):
File "/usr/lib/python2.6/site-packages/salt/minion.py", line 1200, in _thread_return
return_data = func(*args, **kwargs)
File "/usr/lib/python2.6/site-packages/salt/modules/saltutil.py", line 343, in sync_grains
ret = _sync('grains', saltenv)
File "/usr/lib/python2.6/site-packages/salt/modules/saltutil.py", line 88, in _sync
saltenv = _get_top_file_envs()
File "/usr/lib/python2.6/site-packages/salt/modules/saltutil.py", line 70, in _get_top_file_envs
top = st_.get_top()
File "/usr/lib/python2.6/site-packages/salt/state.py", line 2444, in get_top
return self.merge_tops(tops)
File "/usr/lib/python2.6/site-packages/salt/state.py", line 2363, in merge_tops
for saltenv, targets in ctop.items():
AttributeError: 'str' object has no attribute 'items'

salt \* saltutil.sync_grains

minion.salt.com:
- grains.wlink