diff --git a/logs/app.log b/logs/app.log
index 21fe9dd..a1aad73 100644
--- a/logs/app.log
+++ b/logs/app.log
@@ -13,3 +13,4 @@ WARNING: This is a development server. Do not use it in a production deployment.
  * Running on http://127.0.0.1:16041
  * Running on http://192.168.0.101:16041
 Press CTRL+C to quit
+127.0.0.1 - - [11/Jul/2026 00:34:38] "GET /api/models/export HTTP/1.1" 200 -
diff --git a/modules/routes/__pycache__/api_cpus.cpython-310.pyc b/modules/routes/__pycache__/api_cpus.cpython-310.pyc
index 0fdea06..e568bf6 100644
Binary files a/modules/routes/__pycache__/api_cpus.cpython-310.pyc and b/modules/routes/__pycache__/api_cpus.cpython-310.pyc differ
diff --git a/modules/routes/__pycache__/api_gpus.cpython-310.pyc b/modules/routes/__pycache__/api_gpus.cpython-310.pyc
index 511d132..2a95b63 100644
Binary files a/modules/routes/__pycache__/api_gpus.cpython-310.pyc and b/modules/routes/__pycache__/api_gpus.cpython-310.pyc differ
diff --git a/modules/routes/__pycache__/api_items.cpython-310.pyc b/modules/routes/__pycache__/api_items.cpython-310.pyc
index 24097df..16e60a4 100644
Binary files a/modules/routes/__pycache__/api_items.cpython-310.pyc and b/modules/routes/__pycache__/api_items.cpython-310.pyc differ
diff --git a/modules/routes/__pycache__/api_models.cpython-310.pyc b/modules/routes/__pycache__/api_models.cpython-310.pyc
index 9a3af04..1250244 100644
Binary files a/modules/routes/__pycache__/api_models.cpython-310.pyc and b/modules/routes/__pycache__/api_models.cpython-310.pyc differ
diff --git a/modules/routes/api_cpus.py b/modules/routes/api_cpus.py
index 2e91fcb..614253a 100644
--- a/modules/routes/api_cpus.py
+++ b/modules/routes/api_cpus.py
@@ -2,8 +2,9 @@
 CPU CRUD API
 """
 import uuid
+import json
 from datetime import datetime
-from flask import Blueprint, request, jsonify
+from flask import Blueprint, request, jsonify, Response
 from config import CPUS_FILE
 from utils import load_data, save_data, parse_date_to_timestamp
 
@@ -95,3 +96,63 @@ def api_toggle_cpu_visible(cpu_id):
     cpu['visible'] = not cpu.get('visible', True)
     save_data(CPUS_FILE, cpus)
     return jsonify({'success': True, 'visible': cpu['visible']})
+
+
+# ─── 导出导入 ───────────────────────────────────────────────────────
+
+@cpus_bp.route('/api/cpus/export', methods=['GET'])
+def api_export_cpus():
+    """导出所有CPU数据"""
+    try:
+        cpus = load_data(CPUS_FILE)
+        export_data = {
+            'type': 'cpus',
+            'items': cpus,
+            'count': len(cpus),
+            'export_time': datetime.now().strftime('%Y-%m-%d %H:%M:%S'),
+            'version': '1.0'
+        }
+        json_str = json.dumps(export_data, ensure_ascii=False, indent=2)
+        response = Response(
+            json_str,
+            mimetype='application/json',
+            headers={'Content-Disposition': f'attachment; filename=cpus-export-{datetime.now().strftime("%Y%m%d%H%M%S")}.json'}
+        )
+        return response
+    except Exception as e:
+        return jsonify({'error': str(e)}), 500
+
+
+@cpus_bp.route('/api/cpus/import', methods=['GET', 'POST'])
+def api_import_cpus():
+    """导入CPU数据"""
+    try:
+        if request.method == 'GET':
+            return jsonify({'endpoint': '/api/cpus/import', 'method': 'POST', 'params': {'mode': 'merge 或 replace'}})
+        
+        import_data = request.get_json()
+        if not import_data or 'items' not in import_data:
+            return jsonify({'error': '缺少 items 字段'}), 400
+        
+        mode = request.args.get('mode', 'merge')
+        cpus = load_data(CPUS_FILE)
+        imported_items = import_data['items']
+        
+        result = {'success': True, 'imported': 0, 'updated': 0, 'skipped': []}
+        
+        for item in imported_items:
+            existing = next((c for c in cpus if c['id'] == item['id']), None)
+            if existing:
+                if mode == 'replace':
+                    existing.update(item)
+                    result['updated'] += 1
+                else:
+                    result['skipped'].append(item['id'])
+            else:
+                cpus.append(item)
+                result['imported'] += 1
+        
+        save_data(CPUS_FILE, cpus)
+        return jsonify(result)
+    except Exception as e:
+        return jsonify({'error': str(e)}), 500
diff --git a/modules/routes/api_gpus.py b/modules/routes/api_gpus.py
index d39e70c..c9deb4e 100644
--- a/modules/routes/api_gpus.py
+++ b/modules/routes/api_gpus.py
@@ -2,8 +2,9 @@
 GPU CRUD API
 """
 import uuid
+import json
 from datetime import datetime
-from flask import Blueprint, request, jsonify
+from flask import Blueprint, request, jsonify, Response
 from config import GPUS_FILE
 from utils import load_data, save_data, parse_date_to_timestamp
 
@@ -95,3 +96,63 @@ def api_toggle_gpu_visible(gpu_id):
     gpu['visible'] = not gpu.get('visible', True)
     save_data(GPUS_FILE, gpus)
     return jsonify({'success': True, 'visible': gpu['visible']})
+
+
+# ─── 导出导入 ───────────────────────────────────────────────────────
+
+@gpus_bp.route('/api/gpus/export', methods=['GET'])
+def api_export_gpus():
+    """导出所有GPU数据"""
+    try:
+        gpus = load_data(GPUS_FILE)
+        export_data = {
+            'type': 'gpus',
+            'items': gpus,
+            'count': len(gpus),
+            'export_time': datetime.now().strftime('%Y-%m-%d %H:%M:%S'),
+            'version': '1.0'
+        }
+        json_str = json.dumps(export_data, ensure_ascii=False, indent=2)
+        response = Response(
+            json_str,
+            mimetype='application/json',
+            headers={'Content-Disposition': f'attachment; filename=gpus-export-{datetime.now().strftime("%Y%m%d%H%M%S")}.json'}
+        )
+        return response
+    except Exception as e:
+        return jsonify({'error': str(e)}), 500
+
+
+@gpus_bp.route('/api/gpus/import', methods=['GET', 'POST'])
+def api_import_gpus():
+    """导入GPU数据"""
+    try:
+        if request.method == 'GET':
+            return jsonify({'endpoint': '/api/gpus/import', 'method': 'POST', 'params': {'mode': 'merge 或 replace'}})
+        
+        import_data = request.get_json()
+        if not import_data or 'items' not in import_data:
+            return jsonify({'error': '缺少 items 字段'}), 400
+        
+        mode = request.args.get('mode', 'merge')
+        gpus = load_data(GPUS_FILE)
+        imported_items = import_data['items']
+        
+        result = {'success': True, 'imported': 0, 'updated': 0, 'skipped': []}
+        
+        for item in imported_items:
+            existing = next((g for g in gpus if g['id'] == item['id']), None)
+            if existing:
+                if mode == 'replace':
+                    existing.update(item)
+                    result['updated'] += 1
+                else:
+                    result['skipped'].append(item['id'])
+            else:
+                gpus.append(item)
+                result['imported'] += 1
+        
+        save_data(GPUS_FILE, gpus)
+        return jsonify(result)
+    except Exception as e:
+        return jsonify({'error': str(e)}), 500
diff --git a/modules/routes/api_items.py b/modules/routes/api_items.py
index 8f67693..f9a0650 100644
--- a/modules/routes/api_items.py
+++ b/modules/routes/api_items.py
@@ -2,8 +2,9 @@
 动态分类数据 API
 """
 import uuid
+import json
 from datetime import datetime
-from flask import Blueprint, request, jsonify
+from flask import Blueprint, request, jsonify, Response
 from config import DATA_DIR
 from utils import load_data, save_data, parse_date_to_timestamp
 
@@ -95,3 +96,66 @@ def api_toggle_item_visible(category_id, item_id):
     item['visible'] = not item.get('visible', True)
     save_data(items_file, items)
     return jsonify({'success': True, 'visible': item['visible']})
+
+
+# ─── 导出导入 ───────────────────────────────────────────────────────
+
+@items_bp.route('/api/items/<category_id>/export', methods=['GET'])
+def api_export_items(category_id):
+    """导出指定分类的所有数据"""
+    try:
+        items_file = DATA_DIR / f'items_{category_id}.json'
+        items = load_data(items_file)
+        export_data = {
+            'type': 'items',
+            'category_id': category_id,
+            'items': items,
+            'count': len(items),
+            'export_time': datetime.now().strftime('%Y-%m-%d %H:%M:%S'),
+            'version': '1.0'
+        }
+        json_str = json.dumps(export_data, ensure_ascii=False, indent=2)
+        response = Response(
+            json_str,
+            mimetype='application/json',
+            headers={'Content-Disposition': f'attachment; filename={category_id}-export-{datetime.now().strftime("%Y%m%d%H%M%S")}.json'}
+        )
+        return response
+    except Exception as e:
+        return jsonify({'error': str(e)}), 500
+
+
+@items_bp.route('/api/items/<category_id>/import', methods=['GET', 'POST'])
+def api_import_items(category_id):
+    """导入指定分类的数据"""
+    try:
+        if request.method == 'GET':
+            return jsonify({'endpoint': f'/api/items/{category_id}/import', 'method': 'POST', 'params': {'mode': 'merge 或 replace'}})
+        
+        import_data = request.get_json()
+        if not import_data or 'items' not in import_data:
+            return jsonify({'error': '缺少 items 字段'}), 400
+        
+        mode = request.args.get('mode', 'merge')
+        items_file = DATA_DIR / f'items_{category_id}.json'
+        items = load_data(items_file)
+        imported_items = import_data['items']
+        
+        result = {'success': True, 'imported': 0, 'updated': 0, 'skipped': []}
+        
+        for item in imported_items:
+            existing = next((i for i in items if i['id'] == item['id']), None)
+            if existing:
+                if mode == 'replace':
+                    existing.update(item)
+                    result['updated'] += 1
+                else:
+                    result['skipped'].append(item['id'])
+            else:
+                items.append(item)
+                result['imported'] += 1
+        
+        save_data(items_file, items)
+        return jsonify(result)
+    except Exception as e:
+        return jsonify({'error': str(e)}), 500
diff --git a/modules/routes/api_models.py b/modules/routes/api_models.py
index c58f017..6287dcd 100644
--- a/modules/routes/api_models.py
+++ b/modules/routes/api_models.py
@@ -2,8 +2,9 @@
 AI模型 CRUD API
 """
 import uuid
+import json
 from datetime import datetime
-from flask import Blueprint, request, jsonify
+from flask import Blueprint, request, jsonify, Response
 from config import MODELS_FILE
 from utils import load_data, save_data, parse_date_to_timestamp, safe_sort_key
 
@@ -88,3 +89,63 @@ def api_toggle_model_visible(model_id):
     model['visible'] = not model.get('visible', True)
     save_data(MODELS_FILE, models)
     return jsonify({'success': True, 'visible': model['visible']})
+
+
+# ─── 导出导入 ───────────────────────────────────────────────────────
+
+@models_bp.route('/api/models/export', methods=['GET'])
+def api_export_models():
+    """导出所有模型数据"""
+    try:
+        models = load_data(MODELS_FILE)
+        export_data = {
+            'type': 'models',
+            'items': models,
+            'count': len(models),
+            'export_time': datetime.now().strftime('%Y-%m-%d %H:%M:%S'),
+            'version': '1.0'
+        }
+        json_str = json.dumps(export_data, ensure_ascii=False, indent=2)
+        response = Response(
+            json_str,
+            mimetype='application/json',
+            headers={'Content-Disposition': f'attachment; filename=models-export-{datetime.now().strftime("%Y%m%d%H%M%S")}.json'}
+        )
+        return response
+    except Exception as e:
+        return jsonify({'error': str(e)}), 500
+
+
+@models_bp.route('/api/models/import', methods=['GET', 'POST'])
+def api_import_models():
+    """导入模型数据"""
+    try:
+        if request.method == 'GET':
+            return jsonify({'endpoint': '/api/models/import', 'method': 'POST', 'params': {'mode': 'merge 或 replace'}})
+        
+        import_data = request.get_json()
+        if not import_data or 'items' not in import_data:
+            return jsonify({'error': '缺少 items 字段'}), 400
+        
+        mode = request.args.get('mode', 'merge')
+        models = load_data(MODELS_FILE)
+        imported_items = import_data['items']
+        
+        result = {'success': True, 'imported': 0, 'updated': 0, 'skipped': []}
+        
+        for item in imported_items:
+            existing = next((m for m in models if m['id'] == item['id']), None)
+            if existing:
+                if mode == 'replace':
+                    existing.update(item)
+                    result['updated'] += 1
+                else:
+                    result['skipped'].append(item['id'])
+            else:
+                models.append(item)
+                result['imported'] += 1
+        
+        save_data(MODELS_FILE, models)
+        return jsonify(result)
+    except Exception as e:
+        return jsonify({'error': str(e)}), 500
diff --git a/templates/admin.html b/templates/admin.html
index e1104d6..3f5c98b 100644
--- a/templates/admin.html
+++ b/templates/admin.html
@@ -160,6 +160,8 @@
             <div class="flex justify-between items-center mb-6">
                 <h1 class="text-2xl font-bold text-gray-800" id="dynamic-title">数据管理</h1>
                 <div class="flex gap-2">
+                    <button onclick="exportCategoryData(dynamicCategoryId)" class="px-4 py-2 bg-teal-600 text-white rounded-lg hover:bg-teal-700"><i class="ri-download-line mr-2"></i>导出</button>
+                    <button onclick="openDataImportModal(dynamicCategoryId)" class="px-4 py-2 bg-purple-600 text-white rounded-lg hover:bg-purple-700"><i class="ri-upload-line mr-2"></i>导入</button>
                     <button onclick="openSmartAddModal('dynamic')" class="px-4 py-2 bg-orange-600 text-white rounded-lg hover:bg-orange-700"><i class="ri-magic-line mr-2"></i>智能添加</button>
                     <button onclick="openAddModal('dynamic')" class="px-4 py-2 bg-indigo-600 text-white rounded-lg hover:bg-indigo-700"><i class="ri-add-line mr-2"></i>手动添加</button>
                 </div>
@@ -179,6 +181,8 @@
             <div class="flex justify-between items-center mb-6">
                 <h1 class="text-2xl font-bold text-gray-800">大模型管理</h1>
                 <div class="flex gap-2">
+                    <button onclick="exportModels()" class="px-4 py-2 bg-teal-600 text-white rounded-lg hover:bg-teal-700"><i class="ri-download-line mr-2"></i>导出</button>
+                    <button onclick="openDataImportModal('models')" class="px-4 py-2 bg-purple-600 text-white rounded-lg hover:bg-purple-700"><i class="ri-upload-line mr-2"></i>导入</button>
                     <button onclick="openSmartAddModal('model')" class="px-4 py-2 bg-orange-600 text-white rounded-lg hover:bg-orange-700"><i class="ri-magic-line mr-2"></i>智能添加</button>
                     <button onclick="openAddModal('model')" class="px-4 py-2 bg-indigo-600 text-white rounded-lg hover:bg-indigo-700"><i class="ri-add-line mr-2"></i>手动添加</button>
                 </div>
@@ -200,6 +204,8 @@
             <div class="flex justify-between items-center mb-6">
                 <h1 class="text-2xl font-bold text-gray-800">GPU管理</h1>
                 <div class="flex gap-2">
+                    <button onclick="exportGpus()" class="px-4 py-2 bg-teal-600 text-white rounded-lg hover:bg-teal-700"><i class="ri-download-line mr-2"></i>导出</button>
+                    <button onclick="openDataImportModal('gpus')" class="px-4 py-2 bg-purple-600 text-white rounded-lg hover:bg-purple-700"><i class="ri-upload-line mr-2"></i>导入</button>
                     <button onclick="openSmartAddModal('gpu')" class="px-4 py-2 bg-orange-600 text-white rounded-lg hover:bg-orange-700"><i class="ri-magic-line mr-2"></i>智能添加</button>
                     <button onclick="openAddModal('gpu')" class="px-4 py-2 bg-green-600 text-white rounded-lg hover:bg-green-700"><i class="ri-add-line mr-2"></i>手动添加</button>
                 </div>
@@ -221,6 +227,8 @@
             <div class="flex justify-between items-center mb-6">
                 <h1 class="text-2xl font-bold text-gray-800">CPU管理</h1>
                 <div class="flex gap-2">
+                    <button onclick="exportCpus()" class="px-4 py-2 bg-teal-600 text-white rounded-lg hover:bg-teal-700"><i class="ri-download-line mr-2"></i>导出</button>
+                    <button onclick="openDataImportModal('cpus')" class="px-4 py-2 bg-purple-600 text-white rounded-lg hover:bg-purple-700"><i class="ri-upload-line mr-2"></i>导入</button>
                     <button onclick="openSmartAddModal('cpu')" class="px-4 py-2 bg-orange-600 text-white rounded-lg hover:bg-orange-700"><i class="ri-magic-line mr-2"></i>智能添加</button>
                     <button onclick="openAddModal('cpu')" class="px-4 py-2 bg-purple-600 text-white rounded-lg hover:bg-purple-700"><i class="ri-add-line mr-2"></i>手动添加</button>
                 </div>
@@ -501,20 +509,18 @@
     <div id="importModal" class="fixed inset-0 bg-black/50 z-50 hidden flex items-center justify-center">
         <div class="bg-white rounded-xl max-w-2xl w-full mx-4">
             <div class="p-6 border-b flex justify-between items-center">
-                <h2 class="text-xl font-bold text-gray-800"><i class="ri-upload-line mr-2 text-purple-600"></i>导入分类数据</h2>
+                <h2 class="text-xl font-bold text-gray-800"><i class="ri-upload-line mr-2 text-purple-600"></i>导入分类配置</h2>
                 <button onclick="closeImportModal()" class="text-gray-400 hover:text-gray-600"><i class="ri-close-line text-2xl"></i></button>
             </div>
             <div class="p-6">
                 <div class="bg-purple-50 rounded-lg p-4 mb-4">
-                    <p class="text-sm text-purple-700"><i class="ri-information-line mr-1"></i>导入分类数据时，可选择<strong>合并模式</strong>（保留现有数据，只添加新数据）或<strong>替换模式</strong>（覆盖现有数据）。</p>
+                    <p class="text-sm text-purple-700"><i class="ri-information-line mr-1"></i>导入分类配置。可选择<strong>合并模式</strong>（保留现有数据）或<strong>替换模式</strong>（覆盖现有数据）。</p>
                 </div>
-                
                 <div class="space-y-4">
                     <div>
                         <label class="text-sm text-gray-600 mb-2 block">选择导入文件（JSON格式）</label>
                         <input type="file" id="importFileInput" accept=".json" class="w-full px-4 py-2 border rounded-lg" onchange="handleImportFile(event)">
                     </div>
-                    
                     <div>
                         <label class="text-sm text-gray-600 mb-2 block">导入模式</label>
                         <select id="importMode" class="w-full px-4 py-2 border rounded-lg">
@@ -522,8 +528,6 @@
                             <option value="replace">替换模式 - 覆盖已存在的数据</option>
                         </select>
                     </div>
-                    
-                    <!-- 预览区域 -->
                     <div id="importPreview" class="hidden border rounded-lg p-4 bg-gray-50">
                         <h3 class="text-sm font-semibold text-gray-700 mb-3"><i class="ri-eye-line mr-1"></i>导入预览</h3>
                         <div id="importPreviewContent"></div>
@@ -537,6 +541,42 @@
         </div>
     </div>
 
+    <!-- 数据导入弹窗 -->
+    <div id="dataImportModal" class="fixed inset-0 bg-black/50 z-50 hidden flex items-center justify-center">
+        <div class="bg-white rounded-xl max-w-2xl w-full mx-4">
+            <div class="p-6 border-b flex justify-between items-center">
+                <h2 class="text-xl font-bold text-gray-800"><i class="ri-upload-line mr-2 text-teal-600"></i>导入数据</h2>
+                <button onclick="closeDataImportModal()" class="text-gray-400 hover:text-gray-600"><i class="ri-close-line text-2xl"></i></button>
+            </div>
+            <div class="p-6">
+                <div class="bg-teal-50 rounded-lg p-4 mb-4">
+                    <p class="text-sm text-teal-700"><i class="ri-information-line mr-1"></i>导入数据条目。可选择<strong>合并模式</strong>（保留现有数据）或<strong>替换模式</strong>（覆盖现有数据）。</p>
+                </div>
+                <div class="space-y-4">
+                    <div>
+                        <label class="text-sm text-gray-600 mb-2 block">选择导入文件（JSON格式）</label>
+                        <input type="file" id="dataImportFileInput" accept=".json" class="w-full px-4 py-2 border rounded-lg" onchange="handleDataImportFile(event)">
+                    </div>
+                    <div>
+                        <label class="text-sm text-gray-600 mb-2 block">导入模式</label>
+                        <select id="dataImportMode" class="w-full px-4 py-2 border rounded-lg">
+                            <option value="merge">合并模式 - 保留现有数据，只添加新数据</option>
+                            <option value="replace">替换模式 - 覆盖已存在的数据</option>
+                        </select>
+                    </div>
+                    <div id="dataImportPreview" class="hidden border rounded-lg p-4 bg-gray-50">
+                        <h3 class="text-sm font-semibold text-gray-700 mb-3"><i class="ri-eye-line mr-1"></i>导入预览</h3>
+                        <div id="dataImportPreviewContent"></div>
+                    </div>
+                </div>
+            </div>
+            <div class="p-6 border-t flex justify-end gap-4">
+                <button onclick="closeDataImportModal()" class="px-4 py-2 bg-gray-200 text-gray-600 rounded-lg hover:bg-gray-300">取消</button>
+                <button onclick="doDataImport()" class="px-4 py-2 bg-teal-600 text-white rounded-lg hover:bg-teal-700"><i class="ri-upload-line mr-1"></i>确认导入</button>
+            </div>
+        </div>
+    </div>
+
     <script>
         let currentType = '';
         let currentId = '';
@@ -2729,154 +2769,228 @@
         async function exportAllCategories() {
             try {
                 const res = await fetch('/api/categories/export');
-                if (!res.ok) {
-                    const err = await res.json();
-                    alert('导出失败: ' + err.error);
-                    return;
-                }
-                
-                // 获取文件并下载
+                if (!res.ok) { const err = await res.json(); alert('导出失败: ' + err.error); return; }
                 const blob = await res.blob();
                 const url = window.URL.createObjectURL(blob);
                 const a = document.createElement('a');
                 a.href = url;
-                a.download = `param-hub-categories-export-${new Date().toISOString().slice(0,19).replace(/[:-]/g,'')}.json`;
+                a.download = `categories-${new Date().toISOString().slice(0,19).replace(/[:-]/g,'')}.json`;
                 document.body.appendChild(a);
                 a.click();
                 window.URL.revokeObjectURL(url);
                 a.remove();
-            } catch (e) {
-                alert('导出失败: ' + e.message);
-            }
+            } catch (e) { alert('导出失败: ' + e.message); }
         }
 
-        // 导出单个分类
+        // 导出单个分类配置
         async function exportSingleCategory(categoryId) {
             try {
                 const res = await fetch(`/api/categories/export/${categoryId}`);
-                if (!res.ok) {
-                    const err = await res.json();
-                    alert('导出失败: ' + err.error);
-                    return;
-                }
-                
+                if (!res.ok) { const err = await res.json(); alert('导出失败: ' + err.error); return; }
                 const blob = await res.blob();
                 const url = window.URL.createObjectURL(blob);
                 const a = document.createElement('a');
                 a.href = url;
-                a.download = `${categoryId}-export-${new Date().toISOString().slice(0,19).replace(/[:-]/g,'')}.json`;
+                a.download = `${categoryId}-${new Date().toISOString().slice(0,19).replace(/[:-]/g,'')}.json`;
                 document.body.appendChild(a);
                 a.click();
                 window.URL.revokeObjectURL(url);
                 a.remove();
-            } catch (e) {
-                alert('导出失败: ' + e.message);
-            }
+            } catch (e) { alert('导出失败: ' + e.message); }
         }
 
-        // 打开导入弹窗
+        // 打开分类导入弹窗
         function openImportModal() {
             document.getElementById('importModal').classList.remove('hidden');
             document.getElementById('importPreview').classList.add('hidden');
             document.getElementById('importFileInput').value = '';
+            importData = null;
         }
 
-        // 关闭导入弹窗
-        function closeImportModal() {
-            document.getElementById('importModal').classList.add('hidden');
-        }
+        function closeImportModal() { document.getElementById('importModal').classList.add('hidden'); }
 
-        // 处理导入文件选择
         let importData = null;
-        
         function handleImportFile(event) {
             const file = event.target.files[0];
             if (!file) return;
-            
             const reader = new FileReader();
-            reader.onload = (e) => {
-                try {
-                    importData = JSON.parse(e.target.result);
-                    showImportPreview();
-                } catch (err) {
-                    alert('JSON 解析失败: ' + err.message);
-                }
-            };
+            reader.onload = (e) => { try { importData = JSON.parse(e.target.result); showImportPreview(); } catch (err) { alert('JSON 解析失败: ' + err.message); } };
             reader.readAsText(file);
         }
 
-        // 显示导入预览
         function showImportPreview() {
             if (!importData) return;
-            
             const preview = document.getElementById('importPreview');
             const content = document.getElementById('importPreviewContent');
-            
             preview.classList.remove('hidden');
-            
             let html = '<div class="space-y-2">';
-            
-            // 分类信息
             if (importData.categories) {
                 html += `<div class="font-medium text-gray-800"><i class="ri-folder-line mr-1"></i>包含 ${importData.categories.length} 个分类</div>`;
                 html += '<div class="flex flex-wrap gap-2 ml-5">';
-                importData.categories.forEach(cat => {
-                    html += `<span class="px-2 py-1 bg-blue-100 text-blue-700 rounded text-xs">${cat.name}</span>`;
-                });
+                importData.categories.forEach(cat => { html += `<span class="px-2 py-1 bg-blue-100 text-blue-700 rounded text-xs">${cat.name}</span>`; });
                 html += '</div>';
             } else if (importData.category) {
                 html += `<div class="font-medium text-gray-800"><i class="ri-folder-line mr-1"></i>单个分类: ${importData.category.name}</div>`;
             }
-            
             html += `<div class="mt-3 text-sm text-gray-500">导出时间: ${importData.export_time || '未知'}</div>`;
             html += '</div>';content.innerHTML = html;
         }
 
-        // 执行导入
         async function doImport() {
-            if (!importData) {
-                alert('请先选择导入文件');
-                return;
-            }
-            
+            if (!importData) { alert('请先选择导入文件'); return; }
             const mode = document.getElementById('importMode').value;
-            
+            try {
+                let endpoint = importData.category ? `/api/categories/import/${importData.category.id}?mode=${mode}` : `/api/categories/import?mode=${mode}`;
+                const res = await fetch(endpoint, { method: 'POST', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify(importData) });
+                const result = await res.json();
+                if (result.error) { alert('导入失败: ' + result.error); } else {
+                    let msg = '导入成功！\n新增: ' + (result.imported||0) + '\n更新: ' + (result.updated||0);
+                    if (result.skipped?.length) msg += '\n跳过: ' + result.skipped.join(', ');
+                    alert(msg);
+                    closeImportModal();
+                    await loadCategories(); renderSidebar(); loadAdminCategories();
+                }
+            } catch (e) { alert('导入失败: ' + e.message); }
+        }
+
+        // ─── 数据导出导入功能 ─────────────────────────────────────────────────
+
+        let dataImportType = null;
+        let dataImportCategoryId = null;
+        let dataImportData = null;
+
+        // 导出模型
+        async function exportModels() {
+            try {
+                const res = await fetch('/api/models/export');
+                if (!res.ok) { const err = await res.json(); alert('导出失败: ' + err.error); return; }
+                const blob = await res.blob();
+                const url = window.URL.createObjectURL(blob);
+                const a = document.createElement('a');
+                a.href = url;
+                a.download = `models-${new Date().toISOString().slice(0,19).replace(/[:-]/g,'')}.json`;
+                document.body.appendChild(a);
+                a.click();
+                window.URL.revokeObjectURL(url);
+                a.remove();
+            } catch (e) { alert('导出失败: ' + e.message); }
+        }
+
+        // 导出GPU
+        async function exportGpus() {
+            try {
+                const res = await fetch('/api/gpus/export');
+                if (!res.ok) { const err = await res.json(); alert('导出失败: ' + err.error); return; }
+                const blob = await res.blob();
+                const url = window.URL.createObjectURL(blob);
+                const a = document.createElement('a');
+                a.href = url;
+                a.download = `gpus-${new Date().toISOString().slice(0,19).replace(/[:-]/g,'')}.json`;
+                document.body.appendChild(a);
+                a.click();
+                window.URL.revokeObjectURL(url);
+                a.remove();
+            } catch (e) { alert('导出失败: ' + e.message); }
+        }
+
+        // 导出CPU
+        async function exportCpus() {
+            try {
+                const res = await fetch('/api/cpus/export');
+                if (!res.ok) { const err = await res.json(); alert('导出失败: ' + err.error); return; }
+                const blob = await res.blob();
+                const url = window.URL.createObjectURL(blob);
+                const a = document.createElement('a');
+                a.href = url;
+                a.download = `cpus-${new Date().toISOString().slice(0,19).replace(/[:-]/g,'')}.json`;
+                document.body.appendChild(a);
+                a.click();
+                window.URL.revokeObjectURL(url);
+                a.remove();
+            } catch (e) { alert('导出失败: ' + e.message); }
+        }
+
+        // 导出动态分类数据
+        async function exportCategoryData(categoryId) {
+            if (!categoryId) { alert('未选择分类'); return; }
+            try {
+                const res = await fetch(`/api/items/${categoryId}/export`);
+                if (!res.ok) { const err = await res.json(); alert('导出失败: ' + err.error); return; }
+                const blob = await res.blob();
+                const url = window.URL.createObjectURL(blob);
+                const a = document.createElement('a');
+                a.href = url;
+                a.download = `${categoryId}-${new Date().toISOString().slice(0,19).replace(/[:-]/g,'')}.json`;
+                document.body.appendChild(a);
+                a.click();
+                window.URL.revokeObjectURL(url);
+                a.remove();
+            } catch (e) { alert('导出失败: ' + e.message); }
+        }
+
+        // 打开数据导入弹窗
+        function openDataImportModal(typeOrCategoryId) {
+            dataImportType = typeOrCategoryId;
+            dataImportCategoryId = null;
+            // 如果是动态分类，需要区分类型
+            if (typeOrCategoryId && !['models', 'gpus', 'cpus'].includes(typeOrCategoryId)) {
+                dataImportCategoryId = typeOrCategoryId;
+                dataImportType = 'items';
+            }
+            document.getElementById('dataImportModal').classList.remove('hidden');
+            document.getElementById('dataImportPreview').classList.add('hidden');
+            document.getElementById('dataImportFileInput').value = '';
+            dataImportData = null;
+        }
+
+        function closeDataImportModal() { document.getElementById('dataImportModal').classList.add('hidden'); }
+
+        function handleDataImportFile(event) {
+            const file = event.target.files[0];
+            if (!file) return;
+            const reader = new FileReader();
+            reader.onload = (e) => { try { dataImportData = JSON.parse(e.target.result); showDataImportPreview(); } catch (err) { alert('JSON 解析失败: ' + err.message); } };
+            reader.readAsText(file);
+        }
+
+        function showDataImportPreview() {
+            if (!dataImportData) return;
+            const preview = document.getElementById('dataImportPreview');
+            const content = document.getElementById('dataImportPreviewContent');
+            preview.classList.remove('hidden');
+            let html = '<div class="space-y-2">';
+            html += `<div class="font-medium text-gray-800"><i class="ri-database-line mr-1"></i>数据类型: ${dataImportData.type || '未知'}</div>`;
+            html += `<div class="text-sm text-gray-600 ml-5">包含 ${dataImportData.count || dataImportData.items?.length || 0} 条数据</div>`;
+            html += `<div class="mt-3 text-sm text-gray-500">导出时间: ${dataImportData.export_time || '未知'}</div>`;
+            html += '</div>';content.innerHTML = html;
+        }
+
+        async function doDataImport() {
+            if (!dataImportData) { alert('请先选择导入文件'); return; }
+            const mode = document.getElementById('dataImportMode').value;
             try {
                 let endpoint;
-                if (importData.category) {
-                    // 导入单个分类
-                    endpoint = `/api/categories/import/${importData.category.id}?mode=${mode}`;
-                } else {
-                    // 导入全部分类
-                    endpoint = `/api/categories/import?mode=${mode}`;
-                }
-                
-                const res = await fetch(endpoint, {
-                    method: 'POST',
-                    headers: { 'Content-Type': 'application/json' },
-                    body: JSON.stringify(importData)
-                });
+                if (dataImportType === 'models') endpoint = '/api/models/import?mode=' + mode;
+                else if (dataImportType === 'gpus') endpoint = '/api/gpus/import?mode=' + mode;
+                else if (dataImportType === 'cpus') endpoint = '/api/cpus/import?mode=' + mode;
+                else if (dataImportCategoryId) endpoint = `/api/items/${dataImportCategoryId}/import?mode=` + mode;
+                else { alert('未知数据类型'); return; }
                 
+                const res = await fetch(endpoint, { method: 'POST', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify(dataImportData) });
                 const result = await res.json();
-                
-                if (result.error) {
-                    alert('导入失败: ' + result.error);
-                } else {
-                    let msg = '导入成功！\n';
-                    msg += `新增分类: ${result.imported || 0}\n`;msg += `更新分类: ${result.updated || 0}`;
-                    if (result.skipped && result.skipped.length > 0) {
-                        msg += `\n跳过已存在分类: ${result.skipped.join(', ')}`;
-                    }
+                if (result.error) { alert('导入失败: ' + result.error); } else {
+                    let msg = '导入成功！\n新增: ' + (result.imported||0) + '\n更新: ' + (result.updated||0);
+                    if (result.skipped?.length) msg += '\n跳过: ' + result.skipped.length + ' 条';
                     alert(msg);
-                    
-                    closeImportModal();
-                    await loadCategories();
-                    renderSidebar();
-                    loadAdminCategories();
+                    closeDataImportModal();
+                    // 刷新当前页面数据
+                    if (dataImportType === 'models') loadAdminModels();
+                    else if (dataImportType === 'gpus') loadAdminGpus();
+                    else if (dataImportType === 'cpus') loadAdminCpus();
+                    else if (dataImportCategoryId) loadDynamicCategoryData(dataImportCategoryId);
+                    loadOverview();
                 }
-            } catch (e) {
-                alert('导入失败: ' + e.message);
-            }
+            } catch (e) { alert('导入失败: ' + e.message); }
         }
 
         init();