input is self closing and should not have content.为什么？
Error: D:\Program Files\nodejs\imooc\app\views\pages\admin.jade:14
12| each cat in categories
13| label.radio-inline
> 14| input(type="radio", name="movie[category]", value=cat._id) #{cat.name}
15| .form-group
16| label.col-sm-2.control-label(for="inputTitle") 电影名字
17| .col-sm-10
input is self closing and should not have content.
