name not found accessing external object property documents解决思路

name not found accessing external object property documents用oleObject 输出内容到word时运行到此句

name not found accessing external object property documents
用oleObject 输出内容到word时 
运行到此句 出现错误:application ternimated:name not found accessing external object property documents
ole_obj.Doucuments.add("C:\normal.dot",false,0)


请问怎么解决

[解决办法]
old_obj 里没有 Doucuments 属性。
好像应该是:Documents