fix: 修复后台管理页面JS语法错误（getCategoryForm重复）

templates/admin.html

@@ -5,7 +5,6 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>ParamHub - 参数百科</title>
     <link rel="icon" type="image/svg+xml" href="/static/favicon.svg">
-    <link rel="icon" type="image/svg+xml" href="/static/favicon.svg">
     <script src="https://cdn.tailwindcss.com"></script>
     <link href="https://cdn.jsdelivr.net/npm/remixicon@3.5.0/fonts/remixicon.css" rel="stylesheet">
     <style>
@@ -757,12 +756,6 @@ GPT-4是OpenAI发布的大语言模型，参数量约1.8万亿，支持128K上
                 <div><label class="text-sm text-gray-600 mb-1 block">描述</label><textarea name="description" rows="2" class="w-full px-3 py-2 border rounded-lg">${data.description || ''}</textarea></div>
             </form>`;
         }
-                    </select></div>
-                    <div><label class="text-sm text-gray-600 mb-1 block">排序</label><input type="number" name="order" value="${data.order || 0}" class="w-full px-3 py-2 border rounded-lg"></div>
-                </div>
-                <div><label class="text-sm text-gray-600 mb-1 block">描述</label><textarea name="description" rows="2" class="w-full px-3 py-2 border rounded-lg">${data.description || ''}</textarea></div>
-            </form>`;
-        }
 
         function getKnowledgeForm(data = {}) {
             return `<form id="itemForm" class="space-y-4">