代码如下：
from pyautocad import Autocad,APoint
acad = Autocad(create_if_not_exists = True)
acad.prompt("hello, cad\n")
p1 = APoint(0,0)
acad.model.InsertBlock(p1,"D:\python\MyPyAutoCADProjects\lightingbox.dwg")
print acad.doc.Name
文件路径没有错，运行错误，错误提示如下：
hello, cad
Traceback (most recent call last):
File "D:\python\MyPyAutoCADProjects\insertBlock.py", line 10, in
acad.model.InsertBlock(p1,"D:\python\MyPyAutoCADProjects\lightingbox.dwg")
File "C:\Python27\lib\site-packages\comtypes\client\lazybind.py", line 163, in caller
return self._comobj._invoke(descr.memid, descr.invkind, 0, *args)
File "C:\Python27\lib\site-packages\comtypes\automation.py", line 664, in _invoke
dp, var, None, argerr)
COMError: (-2147352562, '\xce\xde\xd0\xa7\xb5\xc4\xb2\xce\xca\xfd\xca\xfd\xc4\xbf\xa1\xa3', (None, None, None, 0, None))
弄了一个晚上了，求大神指点迷津。
