[
     {
         "title": "狗",
         "alias": "dog",
         "children": [
             {
                 "title": "迷你 (3kg以下)",
                 "alias": "mini",
                 "children": []
             },
             {
                 "title": "小型 (3-5kg)",
                 "alias": "small",
                 "children": []
             },
             {
                 "title": "中型 (9-15kg)",
                 "alias": "medium",
                 "children": []
             },
             {
                 "title": "大型 (25kg以上)",
                 "alias": "large",
                 "children": []
             }
         ],
         "params": []
     },
     {
         "title": "貓",
         "alias": "cat",
         "children": [
             {
                 "title": "短毛",
                 "alias": "short",
                 "children": []
             },
             {
                 "title": "長毛",
                 "alias": "long",
                 "children": []
             }
         ],
         "params": []
     }
]