[#if cates?? && cates?size>0]

[#list cates as cate]
• ${cate.ITEM_NAME} [#if cate.ejTree?? && cate.ejTree?size>0]
  [#list cate.ejTree as ej]
  • ${ej.ITEM_NAME}
  [/#list]
  [/#if]
[/#list]

[/#if]