人民
当我试图提出“奇怪(顺序=> :id)”时,我就发出这一信息。
undefined method `arrange for #<Array:0x8c19780>
Extracted source (around line #4):
1:
2: <h1>Listing categories</h1>
3:
4: <%= nested_categories @categories.arrange(:order => :id) %>
5:
6: <br />
7:
请你帮助我吗?
感谢!