diff --git a/data/categories.json b/data/categories.json
index 9360026..8388679 100644
--- a/data/categories.json
+++ b/data/categories.json
@@ -205,6 +205,14 @@
         "required": false,
         "input_style": "normal"
       },
+      {
+        "key": "features",
+        "label": "特色",
+        "type": "text",
+        "description": "产品特色/亮点，简短描述",
+        "required": false,
+        "input_style": "normal"
+      },
       {
         "key": "description",
         "label": "描述",
@@ -432,6 +440,14 @@
         "required": false,
         "input_style": "normal"
       },
+      {
+        "key": "features",
+        "label": "特色",
+        "type": "text",
+        "description": "产品特色/亮点，简短描述",
+        "required": false,
+        "input_style": "normal"
+      },
       {
         "key": "description",
         "label": "描述",
@@ -644,6 +660,14 @@
         "required": false,
         "input_style": "normal"
       },
+      {
+        "key": "features",
+        "label": "特色",
+        "type": "text",
+        "description": "产品特色/亮点，简短描述",
+        "required": false,
+        "input_style": "normal"
+      },
       {
         "key": "description",
         "label": "描述",
@@ -771,6 +795,14 @@
         "type": "text",
         "input_style": "normal"
       },
+      {
+        "key": "features",
+        "label": "特色",
+        "type": "text",
+        "description": "产品特色/亮点，简短描述",
+        "required": false,
+        "input_style": "normal"
+      },
       {
         "description": "产品简介",
         "key": "description",
@@ -799,138 +831,156 @@
     "order": 5,
     "subcategories": [
       {
-        "id": "gaming-laptop",
-        "name": "游戏笔记本",
+        "feature_labels": {
+          "gpu": "显卡",
+          "price": "价格",
+          "processor": "处理器",
+          "ram_gb": "内存"
+        },
         "icon": "ri-gamepad-line",
+        "id": "gaming-laptop",
         "key_features": [
           "processor",
           "gpu",
           "ram_gb",
           "price"
         ],
-        "feature_labels": {
-          "processor": "处理器",
-          "gpu": "显卡",
-          "ram_gb": "内存",
-          "price": "价格"
-        }
+        "name": "游戏笔记本"
       },
       {
-        "id": "business-laptop",
-        "name": "商务笔记本",
+        "feature_labels": {
+          "price": "价格",
+          "processor": "处理器",
+          "ram_gb": "内存",
+          "weight_kg": "重量"
+        },
         "icon": "ri-briefcase-line",
+        "id": "business-laptop",
         "key_features": [
           "processor",
           "ram_gb",
           "weight_kg",
           "price"
         ],
-        "feature_labels": {
-          "processor": "处理器",
-          "ram_gb": "内存",
-          "weight_kg": "重量",
-          "price": "价格"
-        }
+        "name": "商务笔记本"
+      },
+      {
+        "id": "5d6fe10bbada",
+        "name": "台式主机",
+        "icon": "ri-folder-line",
+        "key_features": [],
+        "feature_labels": {},
+        "extra_fields": [
+          {
+            "key": "power",
+            "label": "电源",
+            "type": "text",
+            "description": "",
+            "required": false
+          }
+        ]
       }
     ],
     "fields": [
       {
+        "description": "电脑型号",
+        "input_style": "normal",
         "key": "name",
         "label": "名称",
-        "type": "text",
-        "description": "电脑型号",
         "required": true,
-        "input_style": "normal"
+        "type": "text"
       },
       {
+        "description": "品牌",
+        "input_style": "normal",
         "key": "brand",
         "label": "品牌",
-        "type": "text",
-        "description": "品牌",
         "required": true,
-        "input_style": "normal"
+        "type": "text"
       },
       {
+        "description": "CPU型号",
+        "input_style": "normal",
         "key": "processor",
         "label": "处理器",
-        "type": "text",
-        "description": "CPU型号",
         "required": false,
-        "input_style": "normal"
+        "type": "text"
       },
       {
+        "description": "GPU型号",
+        "input_style": "normal",
         "key": "gpu",
         "label": "显卡",
-        "type": "text",
-        "description": "GPU型号",
         "required": false,
-        "input_style": "normal"
+        "type": "text"
       },
       {
+        "description": "RAM容量",
+        "input_style": "normal",
         "key": "ram_gb",
         "label": "内存(GB)",
-        "type": "text",
-        "description": "RAM容量",
         "required": false,
-        "input_style": "normal"
+        "type": "text"
       },
       {
+        "description": "存储容量",
+        "input_style": "normal",
         "key": "storage_gb",
         "label": "存储(GB)",
-        "type": "text",
-        "description": "存储容量",
         "required": false,
-        "input_style": "normal"
+        "type": "text"
       },
       {
+        "description": "屏幕尺寸",
+        "input_style": "normal",
         "key": "screen_size",
         "label": "屏幕尺寸",
-        "type": "text",
-        "description": "屏幕尺寸",
         "required": false,
-        "input_style": "normal"
+        "type": "text"
       },
       {
+        "description": "重量",
+        "input_style": "normal",
         "key": "weight_kg",
         "label": "重量(kg)",
-        "type": "text",
-        "description": "重量",
         "required": false,
-        "input_style": "normal"
+        "type": "text"
       },
       {
+        "description": "参考价格",
+        "input_style": "normal",
         "key": "price",
         "label": "价格",
+        "required": false,
+        "type": "text"
+      },
+      {
+        "key": "features",
+        "label": "特色",
         "type": "text",
-        "description": "参考价格",
-        "required": false,
-        "input_style": "normal"
-      },
-      {
-        "key": "year",
-        "label": "年份",
-        "type": "text",
-        "description": "发布年份",
+        "description": "产品特色/亮点，简短描述",
         "required": false,
         "input_style": "normal"
       },
       {
+        "description": "产品简介",
+        "input_style": "long",
         "key": "description",
         "label": "描述",
-        "type": "text",
-        "description": "产品简介",
         "required": false,
-        "input_style": "long"
+        "type": "text"
       },
       {
+        "description": "产品发布日期，格式 YYYY-MM-DD",
+        "input_style": "normal",
         "key": "publish_date",
         "label": "发布日期",
-        "type": "text",
-        "description": "产品发布日期，格式 YYYY-MM-DD",
         "required": false,
-        "input_style": "normal"
+        "type": "text"
       }
-    ]
+    ],
+    "visible": true,
+    "updated_at": "2026-04-29 12:21:23"
   },
   {
     "id": "021dc76d36be",
@@ -942,94 +992,112 @@
     "created_at": "2026-04-09 10:09:01",
     "subcategories": [
       {
-        "id": "sedan",
-        "name": "轿车",
+        "feature_labels": {
+          "engine": "发动机",
+          "power_kw": "功率",
+          "price": "价格"
+        },
         "icon": "ri-car-line",
+        "id": "sedan",
         "key_features": [
           "engine",
           "power_kw",
           "price"
         ],
-        "feature_labels": {
-          "engine": "发动机",
-          "power_kw": "功率",
-          "price": "价格"
-        }
+        "name": "轿车"
       },
       {
-        "id": "suv",
-        "name": "SUV",
+        "feature_labels": {
+          "engine": "发动机",
+          "price": "价格",
+          "seats": "座位数"
+        },
         "icon": "ri-truck-line",
+        "id": "suv",
         "key_features": [
           "engine",
           "seats",
           "price"
         ],
-        "feature_labels": {
-          "engine": "发动机",
-          "seats": "座位数",
-          "price": "价格"
-        }
+        "name": "SUV"
+      },
+      {
+        "id": "df938b1c0d81",
+        "name": "房车",
+        "icon": "ri-folder-line",
+        "key_features": [],
+        "feature_labels": {},
+        "extra_fields": []
       }
     ],
     "fields": [
       {
+        "description": "车型名称",
+        "input_style": "normal",
         "key": "name",
         "label": "名称",
-        "type": "text",
-        "description": "车型名称",
         "required": true,
-        "input_style": "normal"
+        "type": "text"
       },
       {
+        "description": "汽车品牌",
+        "input_style": "normal",
         "key": "brand",
         "label": "品牌",
-        "type": "text",
-        "description": "汽车品牌",
         "required": true,
-        "input_style": "normal"
+        "type": "text"
       },
       {
+        "description": "参考价格（万元）",
+        "input_style": "normal",
         "key": "price",
         "label": "价格(万)",
-        "type": "text",
-        "description": "参考价格（万元）",
         "required": false,
-        "input_style": "normal"
+        "type": "text"
       },
       {
+        "description": "生产年份",
+        "input_style": "normal",
         "key": "year",
         "label": "年份",
-        "type": "text",
-        "description": "生产年份",
         "required": false,
-        "input_style": "normal"
+        "type": "text"
       },
       {
+        "description": "详细规格参数",
+        "input_style": "long",
         "key": "specs",
         "label": "参数",
-        "type": "text",
-        "description": "详细规格参数",
         "required": false,
-        "input_style": "long"
+        "type": "text"
       },
       {
-        "key": "description",
-        "label": "描述",
+        "key": "features",
+        "label": "特色",
         "type": "text",
-        "description": "车型简介",
-        "required": false,
-        "input_style": "long"
-      },
-      {
-        "key": "publish_date",
-        "label": "发布日期",
-        "type": "text",
-        "description": "产品发布日期，格式 YYYY-MM-DD",
+        "description": "产品特色/亮点，简短描述",
         "required": false,
         "input_style": "normal"
+      },
+      {
+        "description": "车型简介",
+        "input_style": "long",
+        "key": "description",
+        "label": "描述",
+        "required": false,
+        "type": "text"
+      },
+      {
+        "description": "产品发布日期，格式 YYYY-MM-DD",
+        "input_style": "normal",
+        "key": "publish_date",
+        "label": "发布日期",
+        "required": false,
+        "type": "text"
       }
-    ]
+    ],
+    "visible": true,
+    "updated_at": "2026-04-29 13:09:39"
   },
   {
     "id": "71fa2b4d818f",
@@ -1149,6 +1217,14 @@
         "required": false,
         "input_style": "long"
       },
+      {
+        "key": "features",
+        "label": "特色",
+        "type": "text",
+        "description": "产品特色/亮点，简短描述",
+        "required": false,
+        "input_style": "normal"
+      },
       {
         "key": "description",
         "label": "描述",