{if condition="$list"}
{foreach name="$list" item="vo" key="index"}
{notempty name="$vo['child_list']"}
+
{/notempty}
{$vo['category_name']}
{notempty name="$vo['image']"}
{/notempty}
{notempty name="$vo['child_list']"}
{foreach name="$vo['child_list']" item="second"}
{notempty name="$second['child_list']"}
+
{else /}
{/notempty}
{$second['category_name']}
{notempty name="$second['image']"}
{/notempty}
{notempty name="$second['child_list']"}
{foreach name="$second['child_list']" item="third"}
{$third['category_name']}
{notempty name="$third['image']"}
{/notempty}
{/foreach}
{/notempty}
{/foreach}
{/notempty}
{/foreach}
{else/}
{/if}