diff --git a/app.py b/app.py
index 4440391..f0cd589 100644
--- a/app.py
+++ b/app.py
@@ -1,4 +1,4 @@
-from flask import Flask, render_template, jsonify, Response, stream_with_context
+from flask import Flask, render_template, jsonify, Response, stream_with_context, request, redirect
 from config import Config
 from extensions import db, redis_client, migrate, s3_client
 from blueprints.auth import auth_bp
@@ -142,6 +142,11 @@ def create_app():
     
     @app.route('/')
     def index():
+        # 检测是否为移动端访问
+        user_agent = request.headers.get('User-Agent', '').lower()
+        mobile_keywords = ['mobile', 'android', 'iphone', 'ipad', 'ipod', 'windows phone', 'blackberry']
+        if any(keyword in user_agent for keyword in mobile_keywords):
+            return redirect('/mobile')
         return render_template('index.html')
         
     @app.route('/ocr')
diff --git a/templates/mobile.html b/templates/mobile.html
index 1f7a060..071a6a4 100644
--- a/templates/mobile.html
+++ b/templates/mobile.html
@@ -189,7 +189,7 @@
                     </select>
                 </div>
 
-                <!-- 比例和尺寸 -->
+                <!-- 比例和数量 -->
                 <div class="grid grid-cols-2 gap-3">
                     <div class="space-y-2">
                         <label class="text-xs font-bold text-slate-500 uppercase tracking-wider flex items-center gap-2">
@@ -198,13 +198,6 @@
                         <select id="ratioSelect" class="w-full bg-white border border-slate-200 rounded-xl p-3.5 text-sm font-bold outline-none focus:border-indigo-500 transition-all appearance-none bg-[url('data:image/svg+xml;charset=US-ASCII,<svg xmlns=\"http://www.w3.org/2000/svg\" width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"%2394a3b8\" stroke-width=\"2\"><polyline points=\"6 9 12 15 18 9\"></polyline></svg>')] bg-no-repeat bg-[right_0.5rem_center] bg-[length:1rem]">
                         </select>
                     </div>
-                    <div id="sizeGroup" class="hidden space-y-2">
-                        <label class="text-xs font-bold text-slate-500 uppercase tracking-wider flex items-center gap-2">
-                            <i data-lucide="maximize" class="w-4 h-4"></i>输出尺寸
-                        </label>
-                        <select id="sizeSelect" class="w-full bg-white border border-slate-200 rounded-xl p-3.5 text-sm font-bold outline-none focus:border-indigo-500 transition-all appearance-none bg-[url('data:image/svg+xml;charset=US-ASCII,<svg xmlns=\"http://www.w3.org/2000/svg\" width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"%2394a3b8\" stroke-width=\"2\"><polyline points=\"6 9 12 15 18 9\"></polyline></svg>')] bg-no-repeat bg-[right_0.5rem_center] bg-[length:1rem]">
-                        </select>
-                    </div>
                     <div class="space-y-2">
                         <label class="text-xs font-bold text-slate-500 uppercase tracking-wider flex items-center gap-2">
                             <i data-lucide="copy" class="w-4 h-4"></i>生成数量
@@ -218,6 +211,15 @@
                     </div>
                 </div>
 
+                <!-- 输出尺寸 (仅特定模型显示) -->
+                <div id="sizeGroup" class="hidden space-y-2">
+                    <label class="text-xs font-bold text-slate-500 uppercase tracking-wider flex items-center gap-2">
+                        <i data-lucide="maximize" class="w-4 h-4"></i>输出尺寸
+                    </label>
+                    <select id="sizeSelect" class="w-full bg-white border border-slate-200 rounded-xl p-3.5 text-sm font-bold outline-none focus:border-indigo-500 transition-all appearance-none bg-[url('data:image/svg+xml;charset=US-ASCII,<svg xmlns=\"http://www.w3.org/2000/svg\" width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"%2394a3b8\" stroke-width=\"2\"><polyline points=\"6 9 12 15 18 9\"></polyline></svg>')] bg-no-repeat bg-[right_1rem_center] bg-[length:1rem]">
+                    </select>
+                </div>
+
                 <!-- 提示词 -->
                 <div class="space-y-2">
                     <label class="text-xs font-bold text-slate-500 uppercase tracking-wider flex items-center gap-2">
@@ -355,6 +357,33 @@
             setTimeout(() => { toast.style.animation = 'slideOutRight 0.3s ease-in'; setTimeout(() => toast.remove(), 300); }, 3000);
         }
 
+        // 填充下拉选择框
+        function fillSelect(id, list) {
+            const el = document.getElementById(id);
+            if (!el || !list) return;
+
+            if (id === 'modelSelect') {
+                el.innerHTML = list.map(i => `<option value="${i.value}" data-cost="${i.cost || 0}">${i.label} (${i.cost || 0}积分)</option>`).join('');
+            } else {
+                el.innerHTML = list.map(i => {
+                    const dataIdAttr = i.id ? ` data-id="${i.id}"` : '';
+                    const disabledAttr = i.disabled ? ' disabled' : '';
+                    return `<option value="${i.value}"${dataIdAttr}${disabledAttr}>${i.label}</option>`;
+                }).join('');
+            }
+        }
+
+        // 加载用户收藏的提示词
+        async function loadUserPrompts() {
+            try {
+                const r = await fetch('/api/prompts');
+                const d = await r.json();
+                return d.error ? [] : d;
+            } catch (e) {
+                return [];
+            }
+        }
+
         // 检查登录状态
         async function checkAuth() {
             const r = await fetch('/api/auth/me');
@@ -384,40 +413,49 @@
 
         // 加载配置
         async function loadConfig() {
-            const r = await fetch('/api/config');
-            config = await r.json();
+            try {
+                const r = await fetch('/api/config');
+                config = await r.json();
 
-            // 填充模型选择
+                // 填充模型选择
+                fillSelect('modelSelect', config.models);
+
+                // 填充比例选择
+                fillSelect('ratioSelect', config.ratios);
+
+                // 填充尺寸选择
+                fillSelect('sizeSelect', config.sizes);
+
+                // 加载用户收藏的提示词
+                const userPrompts = await loadUserPrompts();
+
+                // 合并提示词列表
+                const mergedPrompts = [
+                    { label: '✨ 自定义创作', value: 'manual' },
+                    ...(userPrompts.length > 0 ? [{ label: '--- 我的收藏 ---', value: 'manual', disabled: true }] : []),
+                    ...userPrompts.map(p => ({ id: p.id, label: '⭐ ' + p.label, value: p.value })),
+                    { label: '--- 系统预设 ---', value: 'manual', disabled: true },
+                    ...config.prompts
+                ];
+
+                fillSelect('promptTpl', mergedPrompts);
+
+                // 初始化尺寸选择器显示状态
+                updateSizeVisibility();
+            } catch (e) {
+                console.error('加载配置失败', e);
+            }
+        }
+
+        // 尺寸模型常量 (与PC端一致)
+        const SIZE_MODELS = ['nano-banana-2', 'gemini-3.1-flash-image-preview'];
+
+        // 更新尺寸选择器显示状态
+        function updateSizeVisibility() {
             const modelSelect = document.getElementById('modelSelect');
-            modelSelect.innerHTML = '';
-            for (const [name, info] of Object.entries(config.models || {})) {
-                const opt = document.createElement('option');
-                opt.value = name;
-                opt.innerText = info.display_name || name;
-                if (info.default) opt.selected = true;
-                modelSelect.appendChild(opt);
-            }
-
-            // 填充比例选择
-            const ratioSelect = document.getElementById('ratioSelect');
-            ratioSelect.innerHTML = '';
-            for (const ratio of (config.ratios || ['1:1', '16:9', '9:16', '4:3', '3:4'])) {
-                const opt = document.createElement('option');
-                opt.value = ratio;
-                opt.innerText = ratio;
-                if (ratio === '1:1') opt.selected = true;
-                ratioSelect.appendChild(opt);
-            }
-
-            // 填充提示词模板
-            const promptTpl = document.getElementById('promptTpl');
-            if (config.prompt_templates) {
-                for (const tpl of config.prompt_templates) {
-                    const opt = document.createElement('option');
-                    opt.value = tpl.content;
-                    opt.innerText = tpl.name;
-                    promptTpl.appendChild(opt);
-                }
+            const sizeGroup = document.getElementById('sizeGroup');
+            if (modelSelect && sizeGroup) {
+                sizeGroup.classList.toggle('hidden', !SIZE_MODELS.includes(modelSelect.value));
             }
         }
 
@@ -566,7 +604,12 @@
 
         // 提示词模板选择
         document.getElementById('promptTpl').onchange = function() {
-            document.getElementById('manualPrompt').value = this.value === 'manual' ? '' : this.value;
+            const manualPrompt = document.getElementById('manualPrompt');
+            if (this.value === 'manual') {
+                manualPrompt.value = '';
+            } else {
+                manualPrompt.value = this.value;
+            }
         };
 
         // 图片生成
@@ -734,64 +777,77 @@
 
         // 加载历史记录
         async function loadHistory() {
-            const r = await fetch('/api/history?page=1&per_page=20');
-            const d = await r.json();
-            const list = document.getElementById('historyList');
+            try {
+                const r = await fetch('/api/history?page=1&per_page=20');
+                const d = await r.json();
+                const list = document.getElementById('historyList');
 
-            if (!d.records || d.records.length === 0) {
-                list.innerHTML = `
-                    <div class="text-center py-10 text-slate-400">
-                        <i data-lucide="inbox" class="w-12 h-12 mx-auto mb-2 opacity-50"></i>
-                        <p class="text-sm font-bold">暂无历史记录</p>
-                    </div>
-                `;
-                lucide.createIcons();
-                return;
-            }
+                if (!d.history || d.history.length === 0) {
+                    list.innerHTML = `
+                        <div class="text-center py-10 text-slate-400">
+                            <i data-lucide="inbox" class="w-12 h-12 mx-auto mb-2 opacity-50"></i>
+                            <p class="text-sm font-bold">暂无历史记录</p>
+                        </div>
+                    `;
+                    lucide.createIcons();
+                    return;
+                }
 
-            list.innerHTML = '';
-            for (const record of d.records) {
-                const item = document.createElement('div');
-                item.className = 'bg-white rounded-2xl border border-slate-100 overflow-hidden';
-                const img = record.thumbnail_url || (record.image_urls?.[0]) || '';
-                item.innerHTML = `
-                    <div class="flex gap-3 p-3">
-                        ${img ? `<img src="${img}" class="w-16 h-16 rounded-xl object-cover cursor-pointer" onclick="openImagePreview('${img}')">` : ''}
-                        <div class="flex-1 min-w-0">
-                            <p class="text-xs font-bold text-slate-700 truncate">${record.prompt || '无提示词'}</p>
-                            <p class="text-[10px] text-slate-400 mt-1">${record.created_at || ''}</p>
-                            <div class="flex gap-1 mt-2">
-                                <span class="text-[9px] bg-indigo-50 text-indigo-600 px-2 py-0.5 rounded-full font-bold">${record.model || ''}</span>
+                list.innerHTML = '';
+                for (const record of d.history) {
+                    const item = document.createElement('div');
+                    item.className = 'bg-white rounded-2xl border border-slate-100 overflow-hidden';
+
+                    // 获取第一张图片的缩略图
+                    const firstImg = record.urls?.[0];
+                    const img = firstImg?.thumb || firstImg?.url || '';
+
+                    item.innerHTML = `
+                        <div class="flex gap-3 p-3">
+                            ${img ? `<img src="${img}" class="w-16 h-16 rounded-xl object-cover cursor-pointer" onclick="openImagePreview('${img}')">` : ''}
+                            <div class="flex-1 min-w-0">
+                                <p class="text-xs font-bold text-slate-700 truncate">${record.prompt || '无提示词'}</p>
+                                <p class="text-[10px] text-slate-400 mt-1">${record.created_at || ''}</p>
+                                <div class="flex gap-1 mt-2">
+                                    <span class="text-[9px] bg-indigo-50 text-indigo-600 px-2 py-0.5 rounded-full font-bold">${record.model || ''}</span>
+                                </div>
                             </div>
                         </div>
-                    </div>
-                `;
-                list.appendChild(item);
+                    `;
+                    list.appendChild(item);
+                }
+                lucide.createIcons();
+            } catch (e) {
+                console.error('加载历史记录失败', e);
             }
-            lucide.createIcons();
         }
 
         // 更新积分消耗预览
         function updateCostPreview() {
-            const model = document.getElementById('modelSelect').value;
-            const num = parseInt(document.getElementById('numSelect').value);
-            const isPremium = document.getElementById('isPremium').checked;
+            const modelSelect = document.getElementById('modelSelect');
+            const numSelect = document.getElementById('numSelect');
+            const isPremium = document.getElementById('isPremium');
+            const costPreview = document.getElementById('costPreview');
 
-            let cost = 1;
-            const modelInfo = config.models?.[model];
-            if (modelInfo?.cost) cost = modelInfo.cost;
+            if (!modelSelect || !numSelect || !isPremium || !costPreview) return;
 
-            if (isPremium) cost *= 2;
-            cost *= num;
+            const selectedOption = modelSelect.options[modelSelect.selectedIndex];
+            let baseCost = parseInt(selectedOption?.getAttribute('data-cost') || 0);
+            let num = parseInt(numSelect.value || 1);
+            let totalCost = baseCost * num;
 
-            const preview = document.getElementById('costPreview');
-            preview.innerText = `预计消耗: ${cost} 积分`;
-            preview.classList.remove('hidden');
+            if (isPremium.checked) totalCost *= 2;
+
+            costPreview.innerText = `本次生成将消耗 ${totalCost} 积分`;
+            costPreview.classList.remove('hidden');
         }
 
         // 事件绑定
         document.getElementById('generateBtn').onclick = generateImage;
-        document.getElementById('modelSelect').onchange = updateCostPreview;
+        document.getElementById('modelSelect').onchange = () => {
+            updateSizeVisibility();
+            updateCostPreview();
+        };
         document.getElementById('numSelect').onchange = updateCostPreview;
         document.getElementById('isPremium').onchange = updateCostPreview;