update at 2026-02-14 16:39:10

update at 2026-02-14 16:38:52
update at 2026-02-14 16:35:57
2026-02-14 16:39:10 +08:00 · 2026-02-14 16:38:52 +08:00 · 2026-02-14 16:35:57 +08:00 · 2026-02-14 16:32:17 +08:00 · 2026-02-14 16:24:00 +08:00 · 2026-02-14 16:11:35 +08:00
32 changed files with 4019 additions and 404 deletions
--- a/.env.production
+++ b/.env.production
@@ -1,15 +0,0 @@
-# 生产环境配置,此文件不会被提交到 Git（已在 .gitignore 中）
-# Supabase 配置（服务端/脚本使用）
-SUPABASE_URL=https://fwwsxicqmsoimyrafyek.supabase.co
-SUPABASE_KEY=sb_publishable_FgA0knvKiNMJEv4k-Q1cAA_IqZW0kjn
-SUPABASE_SECRET_KEY=sb_secret_8uVHDbhMxE4HOlMBxMWjjw_vsHoZVI8
-
-ALIBABA_CLOUD_ACCESS_KEY_ID=LTAI5tDM8CzT8ABCdYKrfzH8
-ALIBABA_CLOUD_ACCESS_KEY_SECRET=hCejmpYoaCGehw2I4jcJo2qd2TwB62
-
-# 微信小程序 appID和apprSecret
-mpAppID=wxeda897f274ff33cf
-mpAppSecret=a2240b3b6bbc3f7757ad689a89d334cc
-
-
-
--- a/.gitignore
+++ b/.gitignore
@@ -9,8 +9,6 @@ lerna-debug.log*

 node_modules
 .npm-cache
-dist
-dist-ssr
 *.local

 # Editor directories and files
@@ -26,7 +24,9 @@ dist-ssr

 *.ttf
 frontend/vite.config.ts
+frontend/dist/fonts.json
 frontend/public/fonts.json
+miniprogram/assets/fonts.json

 # secrets
 .env
@@ -35,3 +35,4 @@ frontend/public/fonts.json
 private.*.key
 miniprogram/private.*.key
 project.private.config.json
+__pycache__
--- a/AI_CONTEXT.md
+++ b/AI_CONTEXT.md
@@ -0,0 +1,5 @@
+# 项目 AI 协作说明
+## 项目目录结构
+
+
+
--- a/pycache/pic2svg.cpython-312.pyc
+++ b/pycache/pic2svg.cpython-312.pyc
--- a/apiserver/pycache/renderer.cpython-312.pyc
+++ b/apiserver/pycache/renderer.cpython-312.pyc
--- a/font2svg.mac.conf
+++ b/font2svg.mac.conf
@@ -1,5 +1,7 @@
-# Font2SVG - Nginx 配置（mac.biboer.cn）
-# 用途：为微信小程序提供静态字体资源 + 远端 SVG 渲染 API
+# Font2SVG - Mac Nginx 配置（mac.biboer.cn / mac-tunnel.biboer.cn）
+# 用途：
+# 1) 为微信小程序提供字体清单、默认配置、路由配置与渲染 API
+# 2) 提供 Web 应用静态页面（frontend/dist）

 server {
    listen 80;
@@ -9,15 +11,15 @@ server {
 }

 # Cloudflare Tunnel 入口（推荐）：
-# 外部 https://mac-tunnel.biboer.cn(443) -> cloudflared -> 本机 80（直连本机服务）
+# 外部 https://mac-tunnel.biboer.cn(443) -> cloudflared -> 本机 80（Nginx）
 server {
    listen 80;
    listen [::]:80;
    server_name mac-tunnel.biboer.cn;

-    # 静态资源根目录（包含 fonts/、fonts.json、miniprogram/assets/*）
+    # 项目根目录（包含 fonts/、fonts.json、miniprogram/assets/*、frontend/dist/*）
    root /Users/gavin/font2svg;
-    index fonts.json;
+    index index.html;

    access_log /opt/homebrew/var/log/nginx/access.log;
    error_log /opt/homebrew/var/log/nginx/error.log;
@@ -32,6 +34,14 @@ server {

    # MIME
    types {
+        text/html html htm shtml;
+        text/css css;
+        application/javascript js mjs;
+        image/svg+xml svg;
+        image/png png;
+        image/jpeg jpg jpeg;
+        image/gif gif;
+        image/x-icon ico;
        application/json json;
        font/ttf ttf;
        font/otf otf;
@@ -66,11 +76,14 @@ server {
        proxy_set_header X-Forwarded-Proto $scheme;
    }

-    # 配置文件：短缓存，便于切换
+    # -------------------- 小程序静态配置 --------------------
+
+    # 字体清单：短缓存，便于更新
    location = /fonts.json {
        expires 1h;
        add_header Cache-Control "public, must-revalidate" always;
-        try_files $uri =404;
+        # Web 端固定请求 /fonts.json，依次回退到 dist/public/root 三处清单
+        try_files /frontend/dist/fonts.json /frontend/public/fonts.json /fonts.json =404;
    }

    location = /miniprogram/assets/fonts.json {
@@ -98,9 +111,45 @@ server {
        try_files $uri =404;
    }

-    # 默认仅提供静态文件
+    # -------------------- Web 静态应用（frontend/dist） --------------------
+
+    # Vite 构建产物目录：/assets/*
+    location ^~ /assets/ {
+        expires 30d;
+        add_header Cache-Control "public, immutable" always;
+        try_files /frontend/dist$uri =404;
+    }
+
+    # 常见入口文件（精确匹配）
+    location = /index.html {
+        try_files /frontend/dist/index.html =404;
+    }
+
+    location = /default.json {
+        try_files /frontend/dist/default.json =404;
+    }
+
+    location = /favicon.ico {
+        try_files /frontend/dist/favicon.ico =404;
+    }
+
+    location = /favicon.png {
+        try_files /frontend/dist/favicon.png =404;
+    }
+
+    location = /favicon.svg {
+        try_files /frontend/dist/favicon.svg =404;
+    }
+
+    location = /favicon_new.png {
+        try_files /frontend/dist/favicon_new.png =404;
+    }
+
+    # Web SPA 路由回退（刷新任意前端路径时返回 index.html）
+    # 为 Web 单独指定 root，避免 try_files 内部重定向循环导致 500。
    location / {
-        try_files $uri =404;
+        root /Users/gavin/font2svg/frontend/dist;
+        try_files $uri $uri/ /index.html;
    }

    # 禁止访问隐藏文件
--- a/frontend/.gitignore
+++ b/frontend/.gitignore
@@ -1,24 +0,0 @@
-# Logs
-logs
-*.log
-npm-debug.log*
-yarn-debug.log*
-yarn-error.log*
-pnpm-debug.log*
-lerna-debug.log*
-
-node_modules
-dist
-dist-ssr
-*.local
-
-# Editor directories and files
-.vscode/*
-!.vscode/extensions.json
-.idea
-.DS_Store
-*.suo
-*.ntvs*
-*.njsproj
-*.sln
-*.sw?
--- a/frontend/dist/assets/download-CsugWKTX.js
+++ b/frontend/dist/assets/download-CsugWKTX.js
@@ -0,0 +1 @@
+import{_ as v}from"./index-JIsg-Hgz.js";function p(t,e,n="text/plain"){const o=new Blob([t],{type:n});s(o,e)}function s(t,e){const n=URL.createObjectURL(t),o=document.createElement("a");o.href=n,o.download=e,document.body.appendChild(o),o.click(),document.body.removeChild(o),URL.revokeObjectURL(n)}function P(t,e){p(t,e,"image/svg+xml")}async function F(t,e="font2svg-export.zip"){const n=(await v(async()=>{const{default:r}=await import("./jszip.min-D7KnG0-e.js").then(i=>i.j);return{default:r}},[])).default,o=new n;for(const r of t)o.file(r.name,r.content);const a=await o.generateAsync({type:"blob"});s(a,e)}function d(t){if(!t)return null;const e=t.match(/-?\d+(\.\d+)?/);if(!e)return null;const n=Number(e[0]);return Number.isFinite(n)?n:null}function x(t){const n=new DOMParser().parseFromString(t,"image/svg+xml").documentElement,o=d(n.getAttribute("width")),a=d(n.getAttribute("height"));if(o&&a)return{width:o,height:a};const r=n.getAttribute("viewBox");if(r){const i=r.trim().split(/[\s,]+/).map(Number);if(i.length===4&&Number.isFinite(i[2])&&Number.isFinite(i[3]))return{width:Math.max(1,i[2]),height:Math.max(1,i[3])}}return{width:1024,height:1024}}async function _(t,e){const n=x(t),o=e?.scale??1,a=Math.max(1,Math.round((e?.width??n.width)*o)),r=Math.max(1,Math.round((e?.height??n.height)*o)),i=document.createElement("canvas");i.width=a,i.height=r;const l=i.getContext("2d");if(!l)throw new Error("无法创建 PNG 画布");e?.backgroundColor?(l.fillStyle=e.backgroundColor,l.fillRect(0,0,a,r)):l.clearRect(0,0,a,r);const f=new Blob([t],{type:"image/svg+xml;charset=utf-8"}),u=URL.createObjectURL(f);try{const c=new Image;await new Promise((w,b)=>{c.onload=()=>w(),c.onerror=()=>b(new Error("SVG 转 PNG 失败")),c.src=u}),l.drawImage(c,0,0,a,r)}finally{URL.revokeObjectURL(u)}const g=await new Promise(c=>{i.toBlob(c,"image/png")});if(!g)throw new Error("PNG 编码失败");return g}async function R(t,e,n){const o=await _(t,n);s(o,e)}function m(t){return t.replace(/[<>:"/\\|?*\x00-\x1F]/g,"_").replace(/\s+/g,"_").substring(0,200)}function h(t,e){const n=m(Array.from(t).slice(0,8).join(""));return`${m(e.substring(0,20))}_${n}`}function B(t,e){return`${h(t,e)}.svg`}function L(t,e){return`${h(t,e)}.png`}export{_ as convertSvgToPngBlob,s as downloadBlob,F as downloadMultipleFiles,R as downloadPngFromSvg,P as downloadSvg,p as downloadText,L as generatePngFilename,B as generateSvgFilename,m as sanitizeFilename};
--- a/frontend/dist/assets/index-BvZNih7U.css
+++ b/frontend/dist/assets/index-BvZNih7U.css
--- a/frontend/dist/assets/index-JIsg-Hgz.js
+++ b/frontend/dist/assets/index-JIsg-Hgz.js
--- a/frontend/dist/assets/jszip.min-D7KnG0-e.js
+++ b/frontend/dist/assets/jszip.min-D7KnG0-e.js
--- a/frontend/dist/assets/webicon-K25S575h.svg
+++ b/frontend/dist/assets/webicon-K25S575h.svg
--- a/frontend/dist/assets/weixin-nJMOnnsQ.svg
+++ b/frontend/dist/assets/weixin-nJMOnnsQ.svg
--- a/frontend/dist/default.json
+++ b/frontend/dist/default.json
@@ -0,0 +1,11 @@
+{
+  "inputText": "星程字体转换",
+  "fontSize": 50,
+  "textColor": "#dc2626",
+  "selectedFontIds": [
+    "0001"
+  ],
+  "favoriteFontIds": [
+    "0001"
+  ]
+}
--- a/frontend/dist/favicon.png
+++ b/frontend/dist/favicon.png
--- a/frontend/dist/favicon.svg
+++ b/frontend/dist/favicon.svg
--- a/frontend/dist/favicon_new.png
+++ b/frontend/dist/favicon_new.png
--- a/frontend/dist/index.html
+++ b/frontend/dist/index.html
@@ -0,0 +1,17 @@
+<!doctype html>
+<html lang="zh-CN">
+  <head>
+    <meta charset="UTF-8" />
+    <!-- 统一使用 favicon_new.png 作为站点图标，避免 Safari 继续优先采用 SVG 或 mask 图标 -->
+    <link rel="icon" type="image/png" href="/favicon_new.png" />
+    <link rel="shortcut icon" href="/favicon_new.png" />
+    <link rel="apple-touch-icon" href="/favicon_new.png" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>Font2SVG - 字体转SVG工具</title>
+    <script type="module" crossorigin src="/assets/index-JIsg-Hgz.js"></script>
+    <link rel="stylesheet" crossorigin href="/assets/index-BvZNih7U.css">
+  </head>
+  <body>
+    <div id="app"></div>
+  </body>
+</html>
--- a/frontend/src/App.vue
+++ b/frontend/src/App.vue
@@ -20,6 +20,7 @@ type SvgPreviewExpose = {
 }

 const svgPreviewRef = ref<SvgPreviewExpose | null>(null)
+const showWeixinQrModal = ref(false)

 const fontSizePercent = computed(() => {
  const raw = ((uiStore.fontSize - 10) / (500 - 10)) * 100
@@ -78,7 +79,7 @@ async function handleExport(format: ExportFormat) {
  }

  try {
-    const { generateSvg } = await import('./utils/svg-builder')
+    const { renderSvgByApi } = await import('./utils/render-api')
    const {
      convertSvgToPngBlob,
      downloadSvg,
@@ -88,22 +89,27 @@ async function handleExport(format: ExportFormat) {
      generateSvgFilename,
    } = await import('./utils/download')

+    const renderByApi = async (fontId: string) => {
+      return renderSvgByApi({
+        fontId,
+        text: inputText,
+        fontSize: uiStore.fontSize,
+        fillColor: uiStore.textColor,
+        letterSpacing: Number(uiStore.letterSpacing) || 0,
+        maxCharsPerLine: MAX_CHARS_PER_LINE,
+      })
+    }
+    
    if (selectedItems.length === 1) {
      // 单个字体，直接下载 SVG
      const item = selectedItems[0]
-      if (!item?.fontInfo.font) {
-        alert('选中字体未加载完成，请稍后重试')
+      const fontId = item?.fontInfo?.id
+      if (!fontId) {
+        alert('选中字体信息无效，请重新选择后重试')
        return
      }

-      const font = item.fontInfo.font
-      const svgResult = await generateSvg({
-        text: inputText,
-        font,
-        fontSize: uiStore.fontSize,
-        fillColor: uiStore.textColor,
-        letterSpacing: 0
-      })
+      const svgResult = await renderByApi(fontId)
      
      if (format === 'svg') {
        const filename = generateSvgFilename(inputText, svgResult.fontName)
@@ -122,19 +128,13 @@ async function handleExport(format: ExportFormat) {
      
      for (const item of selectedItems) {
        try {
-          const font = item.fontInfo.font
-          if (!font) {
-            console.warn(`字体 ${item.fontInfo.name} 尚未加载，已跳过导出`)
+          const fontId = item?.fontInfo?.id
+          if (!fontId) {
+            console.warn('发现无效字体项，已跳过')
            continue
          }

-          const svgResult = await generateSvg({
-            text: inputText,
-            font,
-            fontSize: uiStore.fontSize,
-            fillColor: uiStore.textColor,
-            letterSpacing: 0
-          })
+          const svgResult = await renderByApi(fontId)
          
          if (format === 'svg') {
            const filename = generateSvgFilename(inputText, svgResult.fontName)
@@ -215,21 +215,21 @@ console.log('App.vue: script setup completed')
 </script>

 <template>
-  <div class="w-screen h-screen box-border p-8px bg-white flex flex-col overflow-hidden">
+  <div class="app-container w-screen h-screen box-border p-8px bg-white flex flex-col overflow-hidden">
    <!-- Frame 7: 顶部工具栏 -->
-    <div class="flex gap-2 items-center shrink-0 h-24 px-2 py-1">
+    <div class="header-row flex gap-2 items-center shrink-0 h-24 px-2 py-1">
      <!-- webicon - 48x48 -->
-      <div class="w-12 h-12 rounded-xl overflow-hidden shrink-0">
+      <div class="logo-box w-12 h-12 rounded-xl overflow-hidden shrink-0">
        <img src="./assets/webicon.svg" alt="logo" class="w-full h-full object-cover" />
      </div>

-      <!-- 星程字体转换 - 弹性宽度 -->
-      <div class="shrink-0 max-w-[225px] min-w-[120px]" style="height: 72px;">
+      <!-- 星程字体转换 - 弹性宽度 (移动端隐藏) -->
+      <div class="app-title shrink-0 max-w-[225px] min-w-[120px]" style="height: 72px;">
        <img src="./assets/icons/星程字体转换.svg" alt="星程SVG文字生成 TEXT to SVG" class="w-full h-full object-contain" />
      </div>

      <!-- slider - 增加宽度 -->
-      <div class="flex items-center gap-3 px-2 shrink-0 relative" style="width: 280px; height: 32px;">
+      <div class="slider-box flex items-center gap-3 px-2 shrink-0 relative" style="width: 280px; height: 32px;">
        <button 
          @click="handleFontSizeChange(uiStore.fontSize - 10)"
          class="w-4 h-4 shrink-0 cursor-pointer hover:opacity-70 transition-opacity flex items-center justify-center p-0 border-0 bg-transparent"
@@ -281,8 +281,8 @@ console.log('App.vue: script setup completed')
        </label>
      </div>

-      <!-- Frame 14: 输入框 - 弹性宽度 -->
-      <div class="flex-1 min-w-[80px] bg-[#f7f8fa] rounded-lg px-2 py-1 h-12">
+      <!-- Frame 14: 输入框 - 弹性宽度 (桌面端显示) -->
+      <div class="input-box-desktop flex-1 min-w-[80px] bg-[#f7f8fa] rounded-lg px-2 py-1 h-12">
        <textarea
          :value="uiStore.inputText"
          @input="handleTextInput"
@@ -292,14 +292,14 @@ console.log('App.vue: script setup completed')
      </div>

      <!-- Export Group -->
-      <div class="flex items-center gap-1 shrink-0 border border-[#8552A1] rounded-lg px-1 py-1 bg-[#f7f8fa] shadow-sm">
-        <div class="w-[18px] h-[42px] shrink-0 pointer-events-none">
+      <div class="export-group flex items-center gap-1 shrink-0 border border-[#8552A1] rounded-lg px-1 py-1 bg-[#f7f8fa] shadow-sm">
+        <div class="export-label w-[18px] h-[42px] shrink-0 pointer-events-none">
          <img src="./assets/icons/export.svg" alt="导出" class="w-full h-full object-contain" />
        </div>

        <button
          @click="handleExport('svg')"
-          class="w-12 h-12 shrink-0 cursor-pointer hover:opacity-85 transition-opacity flex items-center justify-center p-0 border-0 bg-transparent"
+          class="export-btn w-12 h-12 shrink-0 cursor-pointer hover:opacity-85 transition-opacity flex items-center justify-center p-0 border-0 bg-transparent"
          title="导出 SVG"
        >
          <img src="./assets/icons/export-svg.svg" alt="导出SVG" class="w-12 h-12 object-contain" />
@@ -307,27 +307,66 @@ console.log('App.vue: script setup completed')

        <button
          @click="handleExport('png')"
-          class="w-12 h-12 shrink-0 cursor-pointer hover:opacity-85 transition-opacity flex items-center justify-center p-0 border-0 bg-transparent"
+          class="export-btn w-12 h-12 shrink-0 cursor-pointer hover:opacity-85 transition-opacity flex items-center justify-center p-0 border-0 bg-transparent"
          title="导出 PNG"
        >
          <img src="./assets/icons/export-png.svg" alt="导出PNG" class="w-12 h-12 object-contain" />
        </button>
+
+        <button
+          @click="showWeixinQrModal = true"
+          class="weixin-btn w-[54px] h-[42px] shrink-0 cursor-pointer hover:opacity-85 transition-opacity p-0 border-0 bg-transparent"
+          title="微信小程序"
+        >
+          <img src="./assets/icons/weixin.svg" alt="微信小程序二维码" class="w-full h-full object-contain" />
+        </button>
+      </div>
+    </div>
+
+    <!-- 移动端输入栏 (仅移动端显示) -->
+    <div class="input-row-mobile hidden px-2 py-1 shrink-0">
+      <div class="flex-1 bg-[#f7f8fa] rounded-lg px-2 h-[30px]">
+        <textarea
+          :value="uiStore.inputText"
+          @input="handleTextInput"
+          placeholder="此处输入内容"
+          class="w-full h-full bg-transparent border-none outline-none text-sm text-[#4e5969] placeholder-[#4e5969] resize-none leading-[30px] overflow-hidden"
+        />
+      </div>
+    </div>
+
+    <!-- 微信小程序二维码弹窗 -->
+    <div
+      v-if="showWeixinQrModal"
+      class="fixed inset-0 z-50 flex items-center justify-center bg-black/50"
+      @click.self="showWeixinQrModal = false"
+    >
+      <div class="bg-white rounded-xl p-6 shadow-xl relative max-w-[320px]">
+        <button
+          @click="showWeixinQrModal = false"
+          class="absolute top-2 right-2 w-8 h-8 flex items-center justify-center text-gray-400 hover:text-gray-600 transition-colors border-0 bg-transparent cursor-pointer text-xl"
+          title="关闭"
+        >
+          &times;
+        </button>
+        <h3 class="text-center text-gray-800 font-medium mb-4">微信扫码使用小程序</h3>
+        <img src="./assets/icons/weixin.svg" alt="微信小程序二维码" class="w-64 h-64 object-contain" />
      </div>
    </div>

    <!-- Frame 9: 主内容区 -->
-    <div class="flex-1 flex gap-2 min-h-0 overflow-hidden px-2">
-      <!-- Frame 15: 左侧栏 - 弹性宽度 -->
-      <div class="flex flex-col gap-2 shrink-0 overflow-hidden" style="flex-basis: 400px; max-width: 480px; min-width: 320px;">
+    <div class="main-content flex-1 flex gap-2 min-h-0 overflow-hidden px-2">
+      <!-- Frame 15: 左侧栏 - 弹性宽度 (桌面端) -->
+      <div class="sidebar-left flex flex-col gap-2 shrink-0 overflow-hidden" style="flex-basis: 400px; max-width: 480px; min-width: 320px;">
        <!-- Frame 5: 字体选择 - 弹性高度 -->
-        <div class="flex-[2] border border-solid border-[#f7e0e0] rounded-lg p-1.5 flex flex-col gap-2 overflow-hidden min-h-0">
+        <div class="font-selector-box flex-[2] border border-solid border-[#f7e0e0] rounded-lg p-1.5 flex flex-col gap-2 overflow-hidden min-h-0">
          <div v-overflow-aware class="scrollbar-hover flex-1 overflow-y-auto overflow-x-hidden pr-2">
            <FontSelector />
          </div>
        </div>

        <!-- Frame 5: 已收藏字体 - 弹性高度 -->
-        <div class="border border-solid border-[#f7e0e0] rounded-lg p-1.5 flex flex-col gap-2 flex-1 overflow-hidden min-h-[120px]">
+        <div class="favorites-box border border-solid border-[#f7e0e0] rounded-lg p-1.5 flex flex-col gap-2 flex-1 overflow-hidden min-h-[120px]">
          <div class="flex items-center pr-[9px]">
            <h2 class="text-base text-black shrink-0 leading-none flex-1">
              已收藏字体（{{ favoriteFontCount }}字体）
@@ -351,7 +390,7 @@ console.log('App.vue: script setup completed')
      </div>

      <!-- Frame 8: 右侧预览区 - 弹性宽度 -->
-      <div class="flex-1 border border-solid border-[#f7e0e0] rounded-lg p-1.5 flex flex-col gap-2 overflow-hidden min-w-0">
+      <div class="preview-box flex-1 border border-solid border-[#f7e0e0] rounded-lg p-1.5 flex flex-col gap-2 overflow-hidden min-w-0">
        <div class="flex items-center pr-[9px]">
          <h2 class="text-base text-black shrink-0 leading-none flex-1">效果预览</h2>
          <button
@@ -370,10 +409,27 @@ console.log('App.vue: script setup completed')
          <SvgPreview ref="svgPreviewRef" />
        </div>
      </div>
+
+      <!-- 移动端底部区域: 选择 + 已收藏 并排 -->
+      <div class="bottom-section-mobile hidden">
+        <!-- 字体选择 -->
+        <div class="font-selector-mobile border border-solid border-[#3EE4C3] rounded-lg p-1.5 flex flex-col gap-1 overflow-hidden">
+          <div v-overflow-aware class="scrollbar-hover flex-1 overflow-y-auto overflow-x-hidden">
+            <FontSelector />
+          </div>
+        </div>
+        <!-- 已收藏字体 -->
+        <div class="favorites-mobile border border-solid border-[#3EE4C3] rounded-lg p-1.5 flex flex-col gap-1 overflow-hidden">
+          <h2 class="text-sm text-black shrink-0 leading-none">已收藏</h2>
+          <div v-overflow-aware class="scrollbar-hover flex-1 overflow-y-auto overflow-x-hidden">
+            <FavoritesList />
+          </div>
+        </div>
+      </div>
    </div>

    <!-- 底部版权 -->
-    <div class="text-[#86909c] text-xs text-center shrink-0 h-6 pt-4 flex items-center justify-center px-2">
+    <div class="copyright-footer text-[#86909c] text-xs text-center shrink-0 flex items-center justify-center px-2">
      @版权说明：所有字体来源互联网分享，仅供效果预览，不做下载传播，如有侵权，请告知douboer@gmail.com
    </div>
  </div>
@@ -415,4 +471,188 @@ console.log('App.vue: script setup completed')
  border-radius: 10px;
  background: transparent;
 }
+
+/* 桌面端版权区域 */
+.copyright-footer {
+  height: 24px;
+  padding-top: 16px;
+}
+
+/* 移动端响应式布局 (iOS/Android web) */
+@media (max-width: 768px) {
+  .app-container {
+    padding: 4px;
+    overflow: hidden;
+  }
+
+  /* 顶部工具栏 - 压缩 */
+  .header-row {
+    height: 48px;
+    gap: 4px;
+    padding: 0 4px;
+    flex-wrap: nowrap;
+  }
+
+  .logo-box {
+    width: 48px;
+    height: 48px;
+    border-radius: 12px;
+  }
+
+  /* 隐藏标题 */
+  .app-title {
+    display: none;
+  }
+
+  /* slider 压缩 */
+  .slider-box {
+    width: 132px !important;
+    flex: 1;
+    min-width: 100px;
+    gap: 4px;
+    padding: 0 4px;
+    height: 24px !important;
+  }
+
+  /* 隐藏桌面端输入框 */
+  .input-box-desktop {
+    display: none;
+  }
+
+  /* 显示移动端输入框 */
+  .input-row-mobile {
+    display: flex !important;
+    gap: 6px;
+    margin-bottom: 4px;
+    padding-top: 0;
+    padding-bottom: 0;
+  }
+
+  /* 导出组缩小 */
+  .export-group {
+    gap: 2px;
+    padding: 2px;
+  }
+
+  .export-label {
+    width: 12px;
+    height: 28px;
+  }
+
+  .export-btn {
+    width: 32px;
+    height: 32px;
+  }
+
+  .export-btn img {
+    width: 32px;
+    height: 32px;
+  }
+
+  .weixin-btn {
+    width: 36px !important;
+    height: 28px !important;
+  }
+
+  /* 主内容区 - 改为垂直布局 */
+  .main-content {
+    flex-direction: column;
+    gap: 4px;
+    padding: 0 4px;
+    overflow: hidden;
+  }
+
+  /* 隐藏桌面端左侧栏 */
+  .sidebar-left {
+    display: none;
+  }
+
+  /* 预览区 - 占上半部分 */
+  .preview-box {
+    flex: 1;
+    min-height: 0;
+    border-color: #3EE4C3;
+  }
+
+  .preview-box h2 {
+    font-size: 14px;
+  }
+
+  /* 显示移动端底部区域 */
+  .bottom-section-mobile {
+    display: flex !important;
+    flex-direction: row;
+    gap: 8px;
+    flex: 1;
+    min-height: 0;
+  }
+
+  .font-selector-mobile,
+  .favorites-mobile {
+    flex: 1;
+    min-width: 0;
+    min-height: 0;
+  }
+
+  .font-selector-mobile h2,
+  .favorites-mobile h2 {
+    font-size: 14px;
+    margin-bottom: 4px;
+  }
+
+  /* 移动端字体选择器文字大小统一 */
+  .font-selector-mobile :deep(.text-\[16px\]) {
+    font-size: 14px !important;
+  }
+
+  .font-selector-mobile :deep(.text-base) {
+    font-size: 14px !important;
+  }
+
+  /* 版权信息缩小 */
+  .copyright-footer {
+    font-size: 10px;
+    padding: 4px 0;
+    height: auto;
+    flex-shrink: 0;
+  }
+}
+
+/* 更小屏幕适配 (iPhone SE 等) */
+@media (max-width: 480px) {
+  .header-row {
+    height: 44px;
+    gap: 2px;
+  }
+
+  .logo-box {
+    width: 44px;
+    height: 44px;
+  }
+
+  .slider-box {
+    width: 100px !important;
+    min-width: 80px;
+  }
+
+  .export-btn {
+    width: 28px;
+    height: 28px;
+  }
+
+  .export-btn img {
+    width: 28px;
+    height: 28px;
+  }
+
+  .weixin-btn {
+    width: 32px !important;
+    height: 24px !important;
+  }
+
+  /* 手机端底部区域垂直布局 */
+  .bottom-section-mobile {
+    flex-direction: column;
+  }
+}
 </style>
--- a/frontend/src/assets/icons/weixin.svg
+++ b/frontend/src/assets/icons/weixin.svg
--- a/frontend/src/components/FontSelector.vue
+++ b/frontend/src/components/FontSelector.vue
@@ -56,7 +56,7 @@ const hasMatchedFonts = computed(() => {
    <div class="sticky top-0 z-10 bg-white pt-1 pb-1">
      <div class="flex items-center gap-3">
        <div class="text-[16px] leading-none text-black font-bold shrink-0">
-          选择预览字体
+          选择字体
        </div>
        <div class="flex-1 min-w-0">
          <div class="h-8 rounded-[10px] bg-[#F3EDF7] pl-2 flex items-center">
--- a/frontend/src/components/SvgPreview.vue
+++ b/frontend/src/components/SvgPreview.vue
@@ -2,20 +2,37 @@
 import { ref, computed, watch, onBeforeUnmount, nextTick } from 'vue'
 import { useFontStore } from '../stores/fontStore'
 import { useUiStore } from '../stores/uiStore'
-import { generateSvg } from '../utils/svg-builder'
+import { renderSvgByApi } from '../utils/render-api'
+import { MAX_CHARS_PER_LINE } from '../utils/text-layout'
 import type { PreviewItem as PreviewItemType } from '../types/font'
 import type { SvgGenerateResult, FontInfo } from '../types/font'

 const fontStore = useFontStore()
 const uiStore = useUiStore()

-const previewItems = ref<PreviewItemType[]>([])
+interface PreviewApiCacheItem {
+  svg: string
+  width: number
+  height: number
+  fontName: string
+  renderFontSize: number
+}
+
+interface PreviewRenderItem extends PreviewItemType {
+  baseSvg: string
+  baseWidth: number
+  baseHeight: number
+  renderFontSize: number
+}
+
+const previewItems = ref<PreviewRenderItem[]>([])
 const isGenerating = ref(false)
 const isBatchGenerating = ref(false)
 const activePreviewFonts = ref<FontInfo[]>([])
 const processedFontCount = ref(0)
 const renderedPreviewCount = ref(0)
 const previewTriggerItemEl = ref<HTMLElement | null>(null)
+const previewErrorMessage = ref('')

 const previewFonts = computed(() => fontStore.previewFonts)
 const inputText = computed(() => uiStore.inputText)
@@ -24,17 +41,18 @@ const fillColor = computed(() => uiStore.textColor)

 const PREVIEW_DEBOUNCE_MS = 240
 const PREVIEW_CONCURRENCY = 4
-const PREVIEW_GEOMETRY_CACHE_LIMIT = 600
-const PREVIEW_COLOR_TOKEN = '__FONT2SVG_FILL__'
+const PREVIEW_API_CACHE_LIMIT = 600
 const PREVIEW_BATCH_SIZE = 20
 const PREVIEW_PREFETCH_OFFSET = 10
+const PREVIEW_RENDER_FONT_SIZE = 120

 let previewGenerateTimer: ReturnType<typeof setTimeout> | null = null
 let previewGenerationToken = 0
 let hasTriggeredInitialGenerate = false
 let previewLazyLoadObserver: IntersectionObserver | null = null
+let batchOwnerToken: number | null = null

-const previewGeometryCache = new Map<string, Omit<SvgGenerateResult, 'svg'> & { svgTemplate: string }>()
+const previewApiCache = new Map<string, PreviewApiCacheItem>()

 const isAllPreviewSelected = computed(() => {
  return previewItems.value.length > 0 && previewItems.value.every(item => item.selected)
@@ -51,6 +69,10 @@ const visiblePreviewItems = computed(() => {
  return previewItems.value.slice(0, renderedPreviewCount.value)
 })

+const hasRenderableInput = computed(() => {
+  return inputText.value.trim() !== '' && activePreviewFonts.value.length > 0
+})
+
 const previewTriggerIndex = computed(() => {
  if (!hasMorePreviewItems.value || visiblePreviewItems.value.length <= 0) {
    return -1
@@ -131,88 +153,173 @@ function setPreviewItemRef(el: unknown, index: number) {
  previewTriggerItemEl.value = el instanceof HTMLElement ? el : null
 }

-function getPreviewGeometryCacheKey(fontInfo: FontInfo): string {
-  return [fontInfo.id, fontInfo.path, inputText.value, fontSize.value].join('::')
+function normalizeHexColor(input: string, fallback = '#000000'): string {
+  const value = String(input || '').trim()
+  if (/^#[0-9a-fA-F]{6}$/.test(value)) {
+    return value
+  }
+  return fallback
 }

-function readPreviewGeometryFromCache(key: string) {
-  const cached = previewGeometryCache.get(key)
+function clampFontSize(value: number, fallback = PREVIEW_RENDER_FONT_SIZE): number {
+  if (!Number.isFinite(value)) {
+    return fallback
+  }
+  return Math.max(1, Math.min(2048, Math.round(value)))
+}
+
+function formatSvgNumber(value: number): string {
+  const text = Number(value).toFixed(2)
+  return text.replace(/\.?0+$/, '')
+}
+
+function replaceSvgFillColor(svg: string, color: string): string {
+  const normalizedColor = normalizeHexColor(color)
+  if (!svg) return ''
+
+  if (/<g\b[^>]*\sfill="[^"]*"/.test(svg)) {
+    return svg.replace(/(<g\b[^>]*\sfill=")[^"]*(")/, `$1${normalizedColor}$2`)
+  }
+
+  return svg.replace(/<g\b([^>]*)>/, `<g$1 fill="${normalizedColor}">`)
+}
+
+function scaleSvgDimensions(svg: string, scale: number): string {
+  if (!svg || !Number.isFinite(scale) || scale <= 0) {
+    return svg
+  }
+
+  return svg
+    .replace(/width="([0-9]+(?:\.[0-9]+)?)"/, (_, width) => {
+      const scaledWidth = Number(width) * scale
+      return `width="${formatSvgNumber(scaledWidth)}"`
+    })
+    .replace(/height="([0-9]+(?:\.[0-9]+)?)"/, (_, height) => {
+      const scaledHeight = Number(height) * scale
+      return `height="${formatSvgNumber(scaledHeight)}"`
+    })
+}
+
+function buildPreviewCacheKey(
+  fontId: string,
+  text: string,
+  letterSpacing: number,
+  maxCharsPerLine: number,
+): string {
+  const safeSpacing = Number.isFinite(letterSpacing) ? letterSpacing.toFixed(4) : '0.0000'
+  return [fontId, safeSpacing, String(maxCharsPerLine), text].join('::')
+}
+
+function getPreviewApiCacheKey(fontInfo: FontInfo): string {
+  return buildPreviewCacheKey(
+    fontInfo.id,
+    String(inputText.value || ''),
+    Number(uiStore.letterSpacing) || 0,
+    MAX_CHARS_PER_LINE,
+  )
+}
+
+function readPreviewFromCache(key: string): PreviewApiCacheItem | null {
+  const cached = previewApiCache.get(key)
  if (!cached) {
    return null
  }

-  previewGeometryCache.delete(key)
-  previewGeometryCache.set(key, cached)
+  previewApiCache.delete(key)
+  previewApiCache.set(key, cached)
  return cached
 }

-function writePreviewGeometryToCache(
-  key: string,
-  geometry: Omit<SvgGenerateResult, 'svg'> & { svgTemplate: string },
-) {
-  if (previewGeometryCache.has(key)) {
-    previewGeometryCache.delete(key)
+function writePreviewToCache(key: string, value: PreviewApiCacheItem) {
+  if (previewApiCache.has(key)) {
+    previewApiCache.delete(key)
  }
-  previewGeometryCache.set(key, geometry)
+  previewApiCache.set(key, value)

-  while (previewGeometryCache.size > PREVIEW_GEOMETRY_CACHE_LIMIT) {
-    const oldestKey = previewGeometryCache.keys().next().value
+  while (previewApiCache.size > PREVIEW_API_CACHE_LIMIT) {
+    const oldestKey = previewApiCache.keys().next().value
    if (oldestKey === undefined) {
      break
    }
-    previewGeometryCache.delete(oldestKey)
+    previewApiCache.delete(oldestKey)
  }
 }

-async function generateSvgWithPreviewCache(fontInfo: FontInfo): Promise<SvgGenerateResult | null> {
-  if (!fontInfo.font) {
-    return null
-  }
-
-  const cacheKey = getPreviewGeometryCacheKey(fontInfo)
-  let geometry = readPreviewGeometryFromCache(cacheKey)
-  if (!geometry) {
-    const baseResult = await generateSvg({
-      text: inputText.value,
-      font: fontInfo.font,
-      fontSize: fontSize.value,
-      fillColor: PREVIEW_COLOR_TOKEN,
-    })
-
-    geometry = {
-      width: baseResult.width,
-      height: baseResult.height,
-      fontName: baseResult.fontName,
-      svgTemplate: baseResult.svg,
-    }
-
-    writePreviewGeometryToCache(cacheKey, geometry)
-  }
+function toStyledSvgResult(item: PreviewRenderItem): SvgGenerateResult {
+  const targetSize = clampFontSize(Number(fontSize.value), PREVIEW_RENDER_FONT_SIZE)
+  const renderSize = Number(item.renderFontSize) > 0 ? Number(item.renderFontSize) : PREVIEW_RENDER_FONT_SIZE
+  const scale = targetSize / renderSize
+  const styledSvg = scaleSvgDimensions(
+    replaceSvgFillColor(item.baseSvg, fillColor.value),
+    scale,
+  )

  return {
-    width: geometry.width,
-    height: geometry.height,
-    fontName: geometry.fontName,
-    svg: geometry.svgTemplate.split(PREVIEW_COLOR_TOKEN).join(fillColor.value),
+    svg: styledSvg,
+    width: Number(item.baseWidth) > 0 ? Number(item.baseWidth) * scale : 0,
+    height: Number(item.baseHeight) > 0 ? Number(item.baseHeight) * scale : 0,
+    fontName: item.svgResult.fontName || item.fontInfo.name,
  }
 }

+function applyLocalStyleToPreviewItem(item: PreviewRenderItem): PreviewRenderItem {
+  return {
+    ...item,
+    svgResult: toStyledSvgResult(item),
+  }
+}
+
+function applyLocalPreviewStyles() {
+  if (previewItems.value.length === 0) {
+    return
+  }
+  previewItems.value = previewItems.value.map(item => applyLocalStyleToPreviewItem(item))
+}
+
+async function getOrRenderPreviewBase(fontInfo: FontInfo): Promise<PreviewApiCacheItem | null> {
+  const cacheKey = getPreviewApiCacheKey(fontInfo)
+  const cached = readPreviewFromCache(cacheKey)
+  if (cached) {
+    return cached
+  }
+
+  const result = await renderSvgByApi({
+    fontId: fontInfo.id,
+    text: inputText.value,
+    fontSize: PREVIEW_RENDER_FONT_SIZE,
+    fillColor: '#000000',
+    letterSpacing: Number(uiStore.letterSpacing) || 0,
+    maxCharsPerLine: MAX_CHARS_PER_LINE,
+  })
+
+  const base: PreviewApiCacheItem = {
+    svg: result.svg,
+    width: result.width,
+    height: result.height,
+    fontName: result.fontName || fontInfo.name,
+    renderFontSize: PREVIEW_RENDER_FONT_SIZE,
+  }
+  writePreviewToCache(cacheKey, base)
+  return base
+}
+
 async function generatePreviewBatch(
  fonts: FontInfo[],
  startIndex: number,
  batchSize: number,
  generationToken: number,
-): Promise<PreviewItemType[]> {
+): Promise<{ items: PreviewRenderItem[]; errors: string[] }> {
  const endIndex = Math.min(startIndex + batchSize, fonts.length)
  const batchFonts = fonts.slice(startIndex, endIndex)
  if (batchFonts.length === 0) {
-    return []
+    return { items: [], errors: [] }
  }

  const selectedFontIdSet = new Set(uiStore.selectedExportItems.map(item => item.fontInfo.id))
-  const items = new Array<PreviewItemType | null>(batchFonts.length).fill(null)
+  const items = new Array<PreviewRenderItem | null>(batchFonts.length).fill(null)
  const workerCount = Math.min(PREVIEW_CONCURRENCY, batchFonts.length)
  let nextIndex = 0
+  const errors: string[] = []

  const worker = async () => {
    while (true) {
@@ -231,36 +338,31 @@ async function generatePreviewBatch(
        continue
      }

-      if (!fontInfo.loaded) {
      try {
-          await fontStore.loadFont(fontInfo)
-        } catch (error) {
-          console.error(`Failed to load font ${fontInfo.name}:`, error)
-          continue
-        }
-      }
-
-      if (isStaleGeneration(generationToken) || !fontInfo.font) {
+        const base = await getOrRenderPreviewBase(fontInfo)
+        if (!base || isStaleGeneration(generationToken)) {
          continue
        }

-      try {
-        const svgResult = await generateSvgWithPreviewCache(fontInfo)
-        if (!svgResult) {
-          continue
-        }
-
-        if (isStaleGeneration(generationToken)) {
-          return
-        }
-
-        items[localIndex] = {
+        const item: PreviewRenderItem = {
          fontInfo,
-          svgResult,
          selected: selectedFontIdSet.has(fontInfo.id),
+          baseSvg: base.svg,
+          baseWidth: base.width,
+          baseHeight: base.height,
+          renderFontSize: base.renderFontSize,
+          svgResult: {
+            svg: '',
+            width: 0,
+            height: 0,
+            fontName: base.fontName || fontInfo.name,
+          },
        }
+        items[localIndex] = applyLocalStyleToPreviewItem(item)
      } catch (error) {
-        console.error(`Failed to generate SVG for ${fontInfo.name}:`, error)
+        const message = error instanceof Error ? error.message : String(error)
+        console.error(`Failed to render preview for ${fontInfo.name}:`, error)
+        errors.push(`${fontInfo.name}: ${message}`)
      }
    }
  }
@@ -268,23 +370,36 @@ async function generatePreviewBatch(
  await Promise.all(Array.from({ length: workerCount }, () => worker()))

  if (isStaleGeneration(generationToken)) {
-    return []
+    return { items: [], errors: [] }
  }

-  return items.filter((item): item is PreviewItemType => item !== null)
+  return {
+    items: items.filter((item): item is PreviewRenderItem => item !== null),
+    errors,
+  }
 }

 async function loadNextPreviewBatch(generationToken: number) {
-  if (isBatchGenerating.value || isStaleGeneration(generationToken)) {
+  if (isStaleGeneration(generationToken)) {
    return
  }

+  if (isBatchGenerating.value) {
+    if (batchOwnerToken === generationToken) {
+      return
+    }
+    // 旧批次仍在收尾时，允许新批次接管
+    isBatchGenerating.value = false
+    batchOwnerToken = null
+  }
+
  const startIndex = processedFontCount.value
  if (startIndex >= activePreviewFonts.value.length) {
    return
  }

  isBatchGenerating.value = true
+  batchOwnerToken = generationToken

  try {
    const batchItems = await generatePreviewBatch(
@@ -303,16 +418,110 @@ async function loadNextPreviewBatch(generationToken: number) {
      activePreviewFonts.value.length,
    )

-    previewItems.value = [...previewItems.value, ...batchItems]
+    const existingIds = new Set(previewItems.value.map(item => item.fontInfo.id))
+    const uniqueBatchItems = batchItems.items.filter(item => !existingIds.has(item.fontInfo.id))
+    previewItems.value = [...previewItems.value, ...uniqueBatchItems]
    renderedPreviewCount.value = Math.min(
-      renderedPreviewCount.value + PREVIEW_BATCH_SIZE,
+      renderedPreviewCount.value + uniqueBatchItems.length,
      previewItems.value.length,
    )
+
+    if (batchItems.errors.length > 0 && previewItems.value.length === 0) {
+      previewErrorMessage.value = `预览生成失败：${batchItems.errors[0]}`
+    } else if (previewItems.value.length > 0) {
+      previewErrorMessage.value = ''
+    }
  } catch (error) {
    console.error('Failed to load preview batch:', error)
+    previewErrorMessage.value = `预览生成失败：${error instanceof Error ? error.message : String(error)}`
+  } finally {
+    if (batchOwnerToken === generationToken) {
+      isBatchGenerating.value = false
+      batchOwnerToken = null
+    }
+  }
+}
+
+async function syncPreviewFontsIncrementally(previousFonts: FontInfo[]) {
+  const generationToken = ++previewGenerationToken
+  const nextPreviewFonts = [...previewFonts.value]
+  const validPreviewFontIds = new Set(nextPreviewFonts.map(font => font.id))
+  uiStore.retainExportItemsByFontIds(validPreviewFontIds)
+
+  activePreviewFonts.value = nextPreviewFonts
+  previewErrorMessage.value = ''
+
+  if (!inputText.value || inputText.value.trim() === '' || nextPreviewFonts.length === 0) {
+    previewItems.value = []
+    renderedPreviewCount.value = 0
+    processedFontCount.value = 0
+    isGenerating.value = false
+    isBatchGenerating.value = false
+    batchOwnerToken = null
+    return
+  }
+
+  const nextIdSet = new Set(nextPreviewFonts.map(font => font.id))
+  const previousIdSet = new Set(previousFonts.map(font => font.id))
+  const addedFonts = nextPreviewFonts.filter(font => !previousIdSet.has(font.id))
+
+  previewItems.value = previewItems.value.filter(item => nextIdSet.has(item.fontInfo.id))
+  renderedPreviewCount.value = Math.min(renderedPreviewCount.value, previewItems.value.length)
+  processedFontCount.value = Math.min(processedFontCount.value, nextPreviewFonts.length)
+
+  if (addedFonts.length > 0) {
+    if (previewItems.value.length === 0) {
+      isGenerating.value = true
+    }
+
+    try {
+      const addedBatch = await generatePreviewBatch(
+        addedFonts,
+        0,
+        addedFonts.length,
+        generationToken,
+      )
+      if (isStaleGeneration(generationToken)) {
+        return
+      }
+
+      const existingIds = new Set(previewItems.value.map(item => item.fontInfo.id))
+      const uniqueAddedItems = addedBatch.items.filter(item => !existingIds.has(item.fontInfo.id))
+      if (uniqueAddedItems.length > 0) {
+        // 新勾选字体插到顶部，避免全量刷新带来的闪烁。
+        previewItems.value = [...uniqueAddedItems, ...previewItems.value]
+        renderedPreviewCount.value = Math.min(
+          renderedPreviewCount.value + uniqueAddedItems.length,
+          previewItems.value.length,
+        )
+      }
+
+      if (addedBatch.errors.length > 0 && previewItems.value.length === 0) {
+        previewErrorMessage.value = `预览生成失败：${addedBatch.errors[0]}`
+      }
+    } catch (error) {
+      console.error('Failed to incrementally load preview fonts:', error)
+      previewErrorMessage.value = `预览生成失败：${error instanceof Error ? error.message : String(error)}`
    } finally {
      if (!isStaleGeneration(generationToken)) {
-      isBatchGenerating.value = false
+        isGenerating.value = false
+      }
+    }
+  }
+
+  if (
+    !isStaleGeneration(generationToken) &&
+    previewItems.value.length === 0 &&
+    processedFontCount.value < activePreviewFonts.value.length &&
+    !isBatchGenerating.value
+  ) {
+    isGenerating.value = true
+    try {
+      await loadNextPreviewBatch(generationToken)
+    } finally {
+      if (!isStaleGeneration(generationToken)) {
+        isGenerating.value = false
+      }
    }
  }
 }
@@ -347,9 +556,12 @@ async function regeneratePreviews() {
  processedFontCount.value = 0
  previewItems.value = []
  renderedPreviewCount.value = 0
+  previewErrorMessage.value = ''

  if (!inputText.value || inputText.value.trim() === '' || nextPreviewFonts.length === 0) {
    isGenerating.value = false
+    isBatchGenerating.value = false
+    batchOwnerToken = null
    return
  }

@@ -357,8 +569,26 @@ async function regeneratePreviews() {

  try {
    await loadNextPreviewBatch(generationToken)
+    if (
+      !isStaleGeneration(generationToken) &&
+      previewItems.value.length === 0 &&
+      processedFontCount.value < activePreviewFonts.value.length &&
+      !isBatchGenerating.value
+    ) {
+      await loadNextPreviewBatch(generationToken)
+    }
+    if (
+      !isStaleGeneration(generationToken) &&
+      previewItems.value.length === 0 &&
+      nextPreviewFonts.length > 0 &&
+      inputText.value.trim() !== '' &&
+      !previewErrorMessage.value
+    ) {
+      previewErrorMessage.value = '预览生成失败：服务未返回可用结果'
+    }
  } catch (error) {
    console.error('Failed to regenerate previews:', error)
+    previewErrorMessage.value = `预览生成失败：${error instanceof Error ? error.message : String(error)}`
  } finally {
    if (!isStaleGeneration(generationToken)) {
      isGenerating.value = false
@@ -367,12 +597,41 @@ async function regeneratePreviews() {
 }

 watch(
-  [previewFonts, inputText, fontSize, fillColor],
+  previewFonts,
+  (nextFonts, previousFonts) => {
+    if (!hasTriggeredInitialGenerate || !previousFonts) {
+      scheduleGeneratePreviews(false)
+      hasTriggeredInitialGenerate = true
+      return
+    }
+
+    const previousIds = new Set(previousFonts.map(font => font.id))
+    if (
+      nextFonts.length === previousFonts.length &&
+      nextFonts.every(font => previousIds.has(font.id))
+    ) {
+      return
+    }
+
+    void syncPreviewFontsIncrementally(previousFonts)
+    hasTriggeredInitialGenerate = true
+  },
+  { immediate: true },
+)
+
+watch(
+  [inputText, () => uiStore.letterSpacing],
  () => {
    scheduleGeneratePreviews(hasTriggeredInitialGenerate)
    hasTriggeredInitialGenerate = true
  },
-  { immediate: true },
+)
+
+watch(
+  [fontSize, fillColor],
+  () => {
+    applyLocalPreviewStyles()
+  },
 )

 watch(
@@ -392,6 +651,7 @@ onBeforeUnmount(() => {
  }
  disconnectPreviewLazyLoadObserver()
  previewGenerationToken += 1
+  batchOwnerToken = null
 })

 function toggleSelectItem(item: PreviewItemType) {
@@ -426,7 +686,19 @@ defineExpose({
 <template>
  <div class="flex flex-col gap-2">
    <div v-if="previewItems.length === 0" class="text-[#86909c] text-center py-20">
-      {{ isGenerating ? '生成预览中...' : '请选择字体并输入内容' }}
+      {{
+        isGenerating
+          ? '生成预览中...'
+          : (
+              previewErrorMessage
+                ? previewErrorMessage
+                : (
+                    inputText.trim() === '' || activePreviewFonts.length === 0
+                      ? '请选择字体并输入内容'
+                      : (hasRenderableInput ? '暂无可显示预览' : '请选择字体并输入内容')
+                  )
+            )
+      }}
    </div>

    <div v-else class="flex flex-col gap-2">
--- a/frontend/src/composables/useFontLoader.ts
+++ b/frontend/src/composables/useFontLoader.ts
@@ -13,20 +13,43 @@ interface FontListItem {
 export function useFontLoader() {
  const fontStore = useFontStore()

+  async function fetchFontListWithFallback(): Promise<FontListItem[]> {
+    const candidates = ['/frontend/public/fonts.json', '/fonts.json']
+    const errors: string[] = []
+
+    for (const url of candidates) {
+      const requestUrl = `${url}?_ts=${Date.now()}`
+      try {
+        console.log(`Fetching ${requestUrl}...`)
+        const response = await fetch(requestUrl, { cache: 'no-store' })
+        console.log(`${url} response:`, response.status, response.statusText)
+
+        if (!response.ok) {
+          errors.push(`${url}: HTTP ${response.status}`)
+          continue
+        }
+
+        const data = await response.json()
+        if (!Array.isArray(data)) {
+          errors.push(`${url}: JSON 不是数组`)
+          continue
+        }
+
+        return data as FontListItem[]
+      } catch (error) {
+        errors.push(`${url}: ${error instanceof Error ? error.message : String(error)}`)
+      }
+    }
+
+    throw new Error(errors.join(' | '))
+  }
+
  async function loadFontList() {
    console.log('Starting to load font list...')
    fontStore.isLoadingFonts = true

    try {
-      console.log('Fetching /fonts.json...')
-      const response = await fetch('/fonts.json')
-      console.log('Response status:', response.status, response.statusText)
-      
-      if (!response.ok) {
-        throw new Error(`Failed to load fonts.json: ${response.statusText}`)
-      }
-
-      const fontList: FontListItem[] = await response.json()
+      const fontList = await fetchFontListWithFallback()
      console.log('Loaded font list:', fontList.length, 'fonts')

      // 转换为 FontInfo
@@ -50,7 +73,7 @@ export function useFontLoader() {
      console.log(`Successfully loaded ${fontList.length} fonts`)
    } catch (error) {
      console.error('Failed to load font list:', error)
-      alert('加载字体列表失败，请刷新页面重试')
+      alert(`加载字体列表失败：${error instanceof Error ? error.message : '未知错误'}`)
    } finally {
      fontStore.isLoadingFonts = false
      console.log('Font loading finished')
--- a/frontend/src/utils/render-api.ts
+++ b/frontend/src/utils/render-api.ts
@@ -0,0 +1,140 @@
+import { MAX_CHARS_PER_LINE } from './text-layout'
+
+const DEFAULT_RENDER_API_URL = '/api/render-svg'
+const REQUEST_TIMEOUT_MS = 30000
+
+interface RenderApiResponseData {
+  svg: string
+  width: number
+  height: number
+  fontName: string
+  fontId?: string
+}
+
+interface RenderApiResponseBody {
+  ok?: boolean
+  data?: RenderApiResponseData
+  error?: string
+}
+
+type BrowserWithRenderApiConfig = Window & {
+  __FONT2SVG_API_URL__?: string
+}
+
+export interface RenderSvgPayload {
+  fontId: string
+  text: string
+  fontSize?: number
+  fillColor?: string
+  letterSpacing?: number
+  maxCharsPerLine?: number
+}
+
+export interface RenderSvgResult {
+  svg: string
+  width: number
+  height: number
+  fontName: string
+  fontId: string
+}
+
+function resolveRenderApiUrl(): string {
+  const envUrl = (import.meta.env.VITE_RENDER_API_URL as string | undefined)?.trim()
+  if (envUrl) {
+    return envUrl
+  }
+
+  if (typeof window !== 'undefined') {
+    const globalUrl = (window as BrowserWithRenderApiConfig).__FONT2SVG_API_URL__
+    if (typeof globalUrl === 'string' && globalUrl.trim()) {
+      return globalUrl.trim()
+    }
+  }
+
+  return DEFAULT_RENDER_API_URL
+}
+
+function normalizeRenderResult(data: RenderApiResponseData | undefined): RenderSvgResult {
+  if (!data || typeof data !== 'object') {
+    throw new Error('渲染服务返回格式无效')
+  }
+
+  const svg = typeof data.svg === 'string' ? data.svg : ''
+  if (!svg.trim()) {
+    throw new Error('渲染服务未返回有效 SVG')
+  }
+
+  return {
+    svg,
+    width: Number(data.width) || 0,
+    height: Number(data.height) || 0,
+    fontName: data.fontName || 'Unknown',
+    fontId: data.fontId || '',
+  }
+}
+
+function normalizePayload(payload: RenderSvgPayload) {
+  const fontId = String(payload.fontId || '').trim()
+  const text = String(payload.text || '')
+
+  if (!fontId) {
+    throw new Error('缺少字体 ID')
+  }
+  if (!text.trim()) {
+    throw new Error('文本内容不能为空')
+  }
+
+  return {
+    fontId,
+    text,
+    fontSize: Number(payload.fontSize) || 120,
+    fillColor: payload.fillColor || '#000000',
+    letterSpacing: Number(payload.letterSpacing) || 0,
+    maxCharsPerLine: Number(payload.maxCharsPerLine) || MAX_CHARS_PER_LINE,
+  }
+}
+
+export async function renderSvgByApi(payload: RenderSvgPayload): Promise<RenderSvgResult> {
+  const requestBody = normalizePayload(payload)
+  const controller = new AbortController()
+  const timer = setTimeout(() => controller.abort(), REQUEST_TIMEOUT_MS)
+
+  let response: Response
+  try {
+    response = await fetch(resolveRenderApiUrl(), {
+      method: 'POST',
+      headers: {
+        'content-type': 'application/json',
+      },
+      body: JSON.stringify(requestBody),
+      signal: controller.signal,
+    })
+  } catch (error) {
+    if (error instanceof DOMException && error.name === 'AbortError') {
+      throw new Error('渲染服务请求超时')
+    }
+    throw new Error(`渲染服务请求失败：${error instanceof Error ? error.message : String(error)}`)
+  } finally {
+    clearTimeout(timer)
+  }
+
+  let body: RenderApiResponseBody | null = null
+  try {
+    body = (await response.json()) as RenderApiResponseBody
+  } catch {
+    body = null
+  }
+
+  if (!response.ok) {
+    const errMsg = body && typeof body.error === 'string' && body.error.trim()
+      ? body.error
+      : `渲染服务请求失败（HTTP ${response.status}）`
+    throw new Error(errMsg)
+  }
+
+  if (!body || !body.ok) {
+    throw new Error((body && body.error) || '渲染服务返回错误')
+  }
+
+  return normalizeRenderResult(body.data)
+}
--- a/miniprogram/assets/fonts.js
+++ b/miniprogram/assets/fonts.js
--- a/miniprogram/assets/fonts.json
+++ b/miniprogram/assets/fonts.json
@@ -1,170 +0,0 @@
-[
-  {
-    "id": "0001",
-    "name": "AlimamaDaoLiTi",
-    "filename": "AlimamaDaoLiTi.ttf",
-    "category": "其他字体",
-    "path": "/fonts/其他字体/AlimamaDaoLiTi.ttf"
-  },
-  {
-    "id": "0002",
-    "name": "Hangeuljaemin4-Regular",
-    "filename": "Hangeuljaemin4-Regular.ttf",
-    "category": "其他字体",
-    "path": "/fonts/其他字体/Hangeuljaemin4-Regular.ttf"
-  },
-  {
-    "id": "0003",
-    "name": "I.顏體",
-    "filename": "I.顏體.ttf",
-    "category": "其他字体",
-    "path": "/fonts/其他字体/I.顏體.ttf"
-  },
-  {
-    "id": "0004",
-    "name": "XCDUANZHUANGSONGTI",
-    "filename": "XCDUANZHUANGSONGTI.ttf",
-    "category": "其他字体",
-    "path": "/fonts/其他字体/XCDUANZHUANGSONGTI.ttf"
-  },
-  {
-    "id": "0005",
-    "name": "qiji-combo",
-    "filename": "qiji-combo.ttf",
-    "category": "其他字体",
-    "path": "/fonts/其他字体/qiji-combo.ttf"
-  },
-  {
-    "id": "0006",
-    "name": "临海隶书",
-    "filename": "临海隶书.ttf",
-    "category": "其他字体",
-    "path": "/fonts/其他字体/临海隶书.ttf"
-  },
-  {
-    "id": "0007",
-    "name": "京華老宋体_KingHwa_OldSong",
-    "filename": "京華老宋体_KingHwa_OldSong.ttf",
-    "category": "其他字体",
-    "path": "/fonts/其他字体/京華老宋体_KingHwa_OldSong.ttf"
-  },
-  {
-    "id": "0008",
-    "name": "优设标题黑",
-    "filename": "优设标题黑.ttf",
-    "category": "其他字体",
-    "path": "/fonts/其他字体/优设标题黑.ttf"
-  },
-  {
-    "id": "0009",
-    "name": "包图小白体",
-    "filename": "包图小白体.ttf",
-    "category": "其他字体",
-    "path": "/fonts/其他字体/包图小白体.ttf"
-  },
-  {
-    "id": "0010",
-    "name": "源界明朝",
-    "filename": "源界明朝.ttf",
-    "category": "其他字体",
-    "path": "/fonts/其他字体/源界明朝.ttf"
-  },
-  {
-    "id": "0011",
-    "name": "演示佛系体",
-    "filename": "演示佛系体.ttf",
-    "category": "其他字体",
-    "path": "/fonts/其他字体/演示佛系体.ttf"
-  },
-  {
-    "id": "0012",
-    "name": "站酷快乐体",
-    "filename": "站酷快乐体.ttf",
-    "category": "其他字体",
-    "path": "/fonts/其他字体/站酷快乐体.ttf"
-  },
-  {
-    "id": "0013",
-    "name": "问藏书房",
-    "filename": "问藏书房.ttf",
-    "category": "其他字体",
-    "path": "/fonts/其他字体/问藏书房.ttf"
-  },
-  {
-    "id": "0014",
-    "name": "霞鹜臻楷",
-    "filename": "霞鹜臻楷.ttf",
-    "category": "其他字体",
-    "path": "/fonts/其他字体/霞鹜臻楷.ttf"
-  },
-  {
-    "id": "0015",
-    "name": "庞门正道标题体",
-    "filename": "庞门正道标题体.ttf",
-    "category": "庞门正道",
-    "path": "/fonts/庞门正道/庞门正道标题体.ttf"
-  },
-  {
-    "id": "0016",
-    "name": "庞门正道标题体",
-    "filename": "庞门正道标题体.ttf",
-    "category": "庞门正道-测试",
-    "path": "/fonts/庞门正道-测试/庞门正道标题体.ttf"
-  },
-  {
-    "id": "0017",
-    "name": "王漢宗勘亭流繁",
-    "filename": "王漢宗勘亭流繁.ttf",
-    "category": "王漢宗",
-    "path": "/fonts/王漢宗/王漢宗勘亭流繁.ttf"
-  },
-  {
-    "id": "0018",
-    "name": "王漢宗新潮體",
-    "filename": "王漢宗新潮體.ttf",
-    "category": "王漢宗",
-    "path": "/fonts/王漢宗/王漢宗新潮體.ttf"
-  },
-  {
-    "id": "0019",
-    "name": "王漢宗波卡體空陰",
-    "filename": "王漢宗波卡體空陰.ttf",
-    "category": "王漢宗",
-    "path": "/fonts/王漢宗/王漢宗波卡體空陰.ttf"
-  },
-  {
-    "id": "0020",
-    "name": "王漢宗細黑體繁",
-    "filename": "王漢宗細黑體繁.ttf",
-    "category": "王漢宗",
-    "path": "/fonts/王漢宗/王漢宗細黑體繁.ttf"
-  },
-  {
-    "id": "0021",
-    "name": "王漢宗綜藝體雙空陰",
-    "filename": "王漢宗綜藝體雙空陰.ttf",
-    "category": "王漢宗",
-    "path": "/fonts/王漢宗/王漢宗綜藝體雙空陰.ttf"
-  },
-  {
-    "id": "0022",
-    "name": "王漢宗超明體繁",
-    "filename": "王漢宗超明體繁.ttf",
-    "category": "王漢宗",
-    "path": "/fonts/王漢宗/王漢宗超明體繁.ttf"
-  },
-  {
-    "id": "0023",
-    "name": "王漢宗酷儷海報",
-    "filename": "王漢宗酷儷海報.ttf",
-    "category": "王漢宗",
-    "path": "/fonts/王漢宗/王漢宗酷儷海報.ttf"
-  },
-  {
-    "id": "0024",
-    "name": "王漢宗顏楷體繁",
-    "filename": "王漢宗顏楷體繁.ttf",
-    "category": "王漢宗",
-    "path": "/fonts/王漢宗/王漢宗顏楷體繁.ttf"
-  }
-]
--- a/miniprogram/assets/route-config.json
+++ b/miniprogram/assets/route-config.json
@@ -1,5 +1,5 @@
 {
-  "active": "A",
+  "active": "B",
  "cooldownMinutes": 0,
  "servers": {
    "A": {
--- a/miniprogram/pages/index/index.js
+++ b/miniprogram/pages/index/index.js
@@ -104,6 +104,22 @@ function showExportError(title, error, fallback) {
  })
 }

+function toPngSaveError(saveResult) {
+  if (!saveResult || saveResult.success) {
+    return null
+  }
+
+  if (saveResult.reason === 'private_api_banned') {
+    return new Error('当前小程序账号不支持“保存到相册”（private api banned）。请改用“导出 SVG”分享，或更换支持该能力的账号/版本。')
+  }
+
+  if (saveResult.reason === 'auth_denied') {
+    return saveResult.error || new Error('保存失败，请检查相册权限')
+  }
+
+  return saveResult.error || new Error('保存 PNG 失败')
+}
+
 function writePngBufferToTempFile(pngBuffer, fontName) {
  const safeName = String(fontName || 'font').replace(/[<>:"/\\|?*\x00-\x1F]/g, '_').slice(0, 60) || 'font'
  const filePath = `${wx.env.USER_DATA_PATH}/${safeName}_${Date.now()}.png`
@@ -906,7 +922,7 @@ Page({

        const saveResult = await savePngToAlbum(pngPath)
        if (!saveResult.success) {
-          throw saveResult.error || new Error('保存 PNG 失败')
+          throw toPngSaveError(saveResult)
        }
      }
      wx.showToast({ title: 'PNG 已保存到相册', icon: 'success' })
@@ -970,7 +986,7 @@ Page({
        if (saveResult.success) {
          wx.showToast({ title: 'PNG 已保存到相册', icon: 'success' })
        } else {
-          showExportError('导出 PNG 失败', saveResult.error, '保存失败，请检查相册权限')
+          showExportError('导出 PNG 失败', toPngSaveError(saveResult), '保存 PNG 失败')
        }
      } catch (error) {
        showExportError('导出 PNG 失败', error, '请稍后重试')
@@ -1029,7 +1045,7 @@ Page({
      if (saveResult.success) {
        wx.showToast({ title: 'PNG 已保存到相册', icon: 'success' })
      } else {
-        showExportError('导出 PNG 失败', saveResult.error, '保存失败，请检查相册权限')
+        showExportError('导出 PNG 失败', toPngSaveError(saveResult), '保存 PNG 失败')
      }
    } catch (error) {
      showExportError('导出 PNG 失败', error, '请稍后重试')
--- a/miniprogram/utils/mp/canvas-export.js
+++ b/miniprogram/utils/mp/canvas-export.js
@@ -104,7 +104,9 @@ async function savePngToAlbum(filePath) {
    return { success: true }
  } catch (error) {
    const errMsg = String(error && error.errMsg ? error.errMsg : error)
-    const needAuth = errMsg.includes('auth deny') || errMsg.includes('authorize')
+    const lowerErrMsg = errMsg.toLowerCase()
+    const needAuth = lowerErrMsg.includes('auth deny') || lowerErrMsg.includes('authorize')
+    const privateApiBanned = lowerErrMsg.includes('private api banned')

    if (needAuth) {
      const modalRes = await showModal({
@@ -120,6 +122,10 @@ async function savePngToAlbum(filePath) {
    return {
      success: false,
      needAuth,
+      privateApiBanned,
+      reason: privateApiBanned
+        ? 'private_api_banned'
+        : (needAuth ? 'auth_denied' : 'save_failed'),
      error,
    }
  }
--- a/run.sh
+++ b/run.sh
@@ -1,10 +1,13 @@
-
 source .venv/bin/activate
-
 lsof -ti:5173,5174,5175,5176 | xargs kill -9 2>/dev/null;
-
 python font2svg.py --fontdir font --text "星程紫微" --outdir svg

-
-# 新增字体放在frontend/public/fonts目录下，运行以下命令，fonts.json会被更新
+# 新增字体放在fonts目录下，运行以下命令，fonts.json会被更新
 npm run prepare-fonts
+
+# 查看请求日志 MacMini
+tail -f /tmp/font2svg-api.log
+
+# 查看请求日志 Linux
+sudo journalctl -u font2svg-api -f
+
--- a/scripts/font-id-state.json
+++ b/scripts/font-id-state.json
@@ -0,0 +1,376 @@
+{
+  "version": 1,
+  "nextId": 370,
+  "pathToId": {
+    "上首造字/No.1-上首锐博体.ttf": "0001",
+    "上首造字/No.10-上首叮当体.ttf": "0002",
+    "上首造字/No.100-上首纤宋体.ttf": "0003",
+    "上首造字/No.101-上首武士黑体.ttf": "0004",
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+    "上首造字/No.36-上首金牛体.ttf": "0256",
+    "上首造字/No.37-上首朗倩体.ttf": "0257",
+    "上首造字/No.38-上首漠云体.ttf": "0258",
+    "上首造字/No.39-上首至尊书法体.ttf": "0259",
+    "上首造字/No.4-上首秀黑体.ttf": "0260",
+    "上首造字/No.40-上首星芒体.ttf": "0261",
+    "上首造字/No.41-上首山川体.ttf": "0262",
+    "上首造字/No.42-上首芋圆体.ttf": "0263",
+    "上首造字/No.43-上首星辰体.ttf": "0264",
+    "上首造字/No.44-上首哥特体.ttf": "0265",
+    "上首造字/No.45-上首黑岩体 .ttf": "0266",
+    "上首造字/No.46-上首言黑体.ttf": "0267",
+    "上首造字/No.47-上首御宋体.ttf": "0268",
+    "上首造字/No.48-上首三国体.ttf": "0269",
+    "上首造字/No.49-上首熊猫体.ttf": "0270",
+    "上首造字/No.5-上首时尚体.ttf": "0271",
+    "上首造字/No.50-上首国潮体.ttf": "0272",
+    "上首造字/No.51-上首酷方体.ttf": "0273",
+    "上首造字/No.52-上首碑楷体.ttf": "0274",
+    "上首造字/No.53-上首逸飞体.ttf": "0275",
+    "上首造字/No.54-上首少年体.ttf": "0276",
+    "上首造字/No.55-上首锋芒体.ttf": "0277",
+    "上首造字/No.56-上首新艺体.ttf": "0278",
+    "上首造字/No.57-上首嘉木体.ttf": "0279",
+    "上首造字/No.58-上首力方体.ttf": "0280",
+    "上首造字/No.59-上首折言体.ttf": "0281",
+    "上首造字/No.6-上首宽窄体.ttf": "0282",
+    "上首造字/No.60-上首本刻体.ttf": "0283",
+    "上首造字/No.61-上首古宋体.ttf": "0284",
+    "上首造字/No.62-上首黑风体.ttf": "0285",
+    "上首造字/No.63-上首迎风手写体.ttf": "0286",
+    "上首造字/No.64-上首奕星体.ttf": "0287",
+    "上首造字/No.65-上首山河体.ttf": "0288",
+    "上首造字/No.66-上首和风体.ttf": "0289",
+    "上首造字/No.67-上首轩宋体.ttf": "0290",
+    "上首造字/No.68-上首正雅体.ttf": "0291",
+    "上首造字/No.69-上首太空体.ttf": "0292",
+    "上首造字/No.7-上首文正体.ttf": "0293",
+    "上首造字/No.70-上首夏木体.ttf": "0294",
+    "上首造字/No.71-上首锐锋体.TTF": "0295",
+    "上首造字/No.72-上首喵尾体.ttf": "0296",
+    "上首造字/No.73-上首粉笔体.ttf": "0297",
+    "上首造字/No.74-上首战戟体.ttf": "0298",
+    "上首造字/No.75-上首玉立体.ttf": "0299",
+    "上首造字/No.76-上首战刃体.ttf": "0300",
+    "上首造字/No.77-上首苍穹书法体.ttf": "0301",
+    "上首造字/No.78-上首梦黑体.ttf": "0302",
+    "上首造字/No.79-上首博瀚体.ttf": "0303",
+    "上首造字/No.8-上首京东体.ttf": "0304",
+    "上首造字/No.80-上首乐高体.ttf": "0305",
+    "上首造字/No.81-上首胖墩体.ttf": "0306",
+    "上首造字/No.82-上首简黑粗体.ttf": "0307",
+    "上首造字/No.83-上首粗楷体.ttf": "0308",
+    "上首造字/No.84-上首状元体.ttf": "0309",
+    "上首造字/No.85-上首元气体.ttf": "0310",
+    "上首造字/No.86-上首圆盾体.ttf": "0311",
+    "上首造字/No.87-上首乾坤体.ttf": "0312",
+    "上首造字/No.88-上首典宋体.ttf": "0313",
+    "上首造字/No.89-上首金刚体.ttf": "0314",
+    "上首造字/No.9-上首宽云体.ttf": "0315",
+    "上首造字/No.90-上首嘻哈体.ttf": "0316",
+    "上首造字/No.91-上首婷雅体.ttf": "0317",
+    "上首造字/No.92-上首虎啸体.ttf": "0318",
+    "上首造字/No.93-上首萌动体.ttf": "0319",
+    "上首造字/No.94-上首奥丁体.ttf": "0320",
+    "上首造字/No.95-上首昆仑体.ttf": "0321",
+    "上首造字/No.96-上首锦宋体.ttf": "0322",
+    "上首造字/No.97-上首国宋体.ttf": "0323",
+    "上首造字/No.98-上首趣泡手写体.ttf": "0324",
+    "上首造字/No.99-上首元正体.ttf": "0325",
+    "上首造字/Sounso Art.ttf": "0326",
+    "上首造字/Sounso Beauty.ttf": "0327",
+    "上首造字/Sounso Cecily.ttf": "0328",
+    "上首造字/Sounso Diamond.ttf": "0329",
+    "上首造字/Sounso Earnestly.ttf": "0330",
+    "上首造字/上首兰亭体.ttf": "0331",
+    "上首造字/上首凤凰体.ttf": "0332",
+    "上首造字/上首刀锋体.ttf": "0333",
+    "上首造字/上首华光体.ttf": "0334",
+    "上首造字/上首华木体.ttf": "0335",
+    "上首造字/上首南城体.ttf": "0336",
+    "上首造字/上首品尚体.ttf": "0337",
+    "上首造字/上首战马体.ttf": "0338",
+    "上首造字/上首星语体.ttf": "0339",
+    "上首造字/上首熔岩体.ttf": "0340",
+    "上首造字/上首纤云体.ttf": "0341",
+    "上首造字/上首纯元体.ttf": "0342",
+    "上首造字/上首苍兰体.ttf": "0343",
+    "上首造字/上首轩辕体.ttf": "0344",
+    "上首造字/上首锦云体.ttf": "0345",
+    "上首造字/上首雅居体.ttf": "0346",
+    "其他字体/AlimamaDaoLiTi.ttf": "0347",
+    "其他字体/Hangeuljaemin4-Regular.ttf": "0348",
+    "其他字体/I.顏體.ttf": "0349",
+    "其他字体/XCDUANZHUANGSONGTI.ttf": "0350",
+    "其他字体/qiji-combo.ttf": "0351",
+    "其他字体/临海隶书.ttf": "0352",
+    "其他字体/京華老宋体_KingHwa_OldSong.ttf": "0353",
+    "其他字体/优设标题黑.ttf": "0354",
+    "其他字体/包图小白体.ttf": "0355",
+    "其他字体/源界明朝.ttf": "0356",
+    "其他字体/演示佛系体.ttf": "0357",
+    "其他字体/站酷快乐体.ttf": "0358",
+    "其他字体/问藏书房.ttf": "0359",
+    "其他字体/霞鹜臻楷.ttf": "0360",
+    "庞门正道-测试/庞门正道标题体.ttf": "0016",
+    "庞门正道/庞门正道标题体.ttf": "0361",
+    "王漢宗/王漢宗勘亭流繁.ttf": "0362",
+    "王漢宗/王漢宗新潮體.ttf": "0363",
+    "王漢宗/王漢宗波卡體空陰.ttf": "0364",
+    "王漢宗/王漢宗細黑體繁.ttf": "0365",
+    "王漢宗/王漢宗綜藝體雙空陰.ttf": "0366",
+    "王漢宗/王漢宗超明體繁.ttf": "0367",
+    "王漢宗/王漢宗酷儷海報.ttf": "0368",
+    "王漢宗/王漢宗顏楷體繁.ttf": "0369"
+  }
+}
--- a/scripts/generate-font-list.py
+++ b/scripts/generate-font-list.py
@@ -1,15 +1,176 @@
 #!/usr/bin/env python3
 """
-生成字体清单文件
+生成字体清单文件（稳定 ID 版本）
 扫描 fonts/ 目录下的所有字体文件，同时生成：
 1. frontend/public/fonts.json
 2. miniprogram/assets/fonts.json
 3. miniprogram/assets/fonts.js
+
+ID 分配规则：
+1. 已存在字体（按 relativePath 识别）保持原 ID 不变。
+2. 新增字体按“上次游标”分配新 ID。
+3. ID 从 0001 递增到 10000，之后循环分配（跳过当前正在使用的 ID）。
 """

 import os
 import json
 from pathlib import Path
+from urllib.parse import unquote, urlparse
+
+FONT_DIR = Path('fonts')
+WEB_FONTS_JSON = Path('frontend/public/fonts.json')
+MP_FONTS_JSON = Path('miniprogram/assets/fonts.json')
+MP_FONTS_JS = Path('miniprogram/assets/fonts.js')
+ID_STATE_FILE = Path('scripts/font-id-state.json')
+
+ID_MIN = 1
+ID_MAX = 10000
+
+
+def format_font_id(num):
+    return str(num).zfill(4)
+
+
+def parse_font_id(raw):
+    try:
+        value = int(str(raw).strip())
+    except (TypeError, ValueError):
+        return None
+    if ID_MIN <= value <= ID_MAX:
+        return value
+    return None
+
+
+def increment_id(num):
+    return ID_MIN if num >= ID_MAX else num + 1
+
+
+def normalize_relative_path(raw_path):
+    if not raw_path:
+        return None
+
+    text = str(raw_path).strip()
+    if not text:
+        return None
+
+    parsed = urlparse(text)
+    if parsed.scheme and parsed.netloc:
+        text = parsed.path
+
+    text = unquote(text)
+    text = text.split('?', 1)[0].split('#', 1)[0]
+    text = text.replace('\\', '/')
+
+    if '/fonts/' in text:
+        text = text.split('/fonts/', 1)[1]
+    elif text.startswith('fonts/'):
+        text = text[len('fonts/'):]
+    elif text.startswith('/fonts'):
+        text = text[len('/fonts'):]
+
+    text = text.lstrip('/')
+    return text or None
+
+
+def load_manifest_id_map(manifest_file):
+    mapping = {}
+    if not manifest_file.exists():
+        return mapping
+
+    try:
+        with open(manifest_file, 'r', encoding='utf-8') as f:
+            data = json.load(f)
+    except (OSError, json.JSONDecodeError):
+        return mapping
+
+    if not isinstance(data, list):
+        return mapping
+
+    for item in data:
+        if not isinstance(item, dict):
+            continue
+        relative_path = normalize_relative_path(
+            item.get('path') or item.get('relativePath')
+        )
+        id_num = parse_font_id(item.get('id'))
+        if relative_path and id_num:
+            mapping[relative_path] = format_font_id(id_num)
+
+    return mapping
+
+
+def load_id_state(state_file):
+    default_state = {
+        'version': 1,
+        'nextId': ID_MIN,
+        'pathToId': {},
+    }
+
+    if not state_file.exists():
+        return default_state
+
+    try:
+        with open(state_file, 'r', encoding='utf-8') as f:
+            data = json.load(f)
+    except (OSError, json.JSONDecodeError):
+        return default_state
+
+    if not isinstance(data, dict):
+        return default_state
+
+    path_to_id = {}
+    raw_map = data.get('pathToId')
+    if isinstance(raw_map, dict):
+        for path_key, raw_id in raw_map.items():
+            relative_path = normalize_relative_path(path_key)
+            id_num = parse_font_id(raw_id)
+            if relative_path and id_num:
+                path_to_id[relative_path] = format_font_id(id_num)
+
+    next_id = parse_font_id(data.get('nextId')) or ID_MIN
+
+    return {
+        'version': 1,
+        'nextId': next_id,
+        'pathToId': path_to_id,
+    }
+
+
+def save_id_state(state, state_file):
+    state_file.parent.mkdir(parents=True, exist_ok=True)
+    normalized_map = dict(sorted(state['pathToId'].items(), key=lambda x: x[0]))
+    data = {
+        'version': 1,
+        'nextId': state['nextId'],
+        'pathToId': normalized_map,
+    }
+    with open(state_file, 'w', encoding='utf-8') as f:
+        json.dump(data, f, ensure_ascii=False, indent=2)
+        f.write('\n')
+
+
+def bootstrap_state_mappings(state):
+    # 优先级：state 文件 > 小程序现有清单 > web 现有清单
+    for manifest_path in (MP_FONTS_JSON, WEB_FONTS_JSON):
+        mapping = load_manifest_id_map(manifest_path)
+        for relative_path, font_id in mapping.items():
+            state['pathToId'].setdefault(relative_path, font_id)
+
+    if parse_font_id(state.get('nextId')) is None:
+        state['nextId'] = ID_MIN
+
+    if state['nextId'] == ID_MIN and state['pathToId']:
+        max_id = max(parse_font_id(v) for v in state['pathToId'].values())
+        state['nextId'] = increment_id(max_id)
+
+
+def allocate_new_id(start_id, used_ids):
+    candidate = start_id
+    for _ in range(ID_MAX):
+        if candidate not in used_ids:
+            return candidate, increment_id(candidate)
+        candidate = increment_id(candidate)
+    raise RuntimeError('可用 ID 已耗尽（0001-10000 全部被当前字体占用）')

 def scan_fonts(font_dir='fonts'):
    """扫描字体目录，返回字体信息列表"""
@@ -45,14 +206,48 @@ def scan_fonts(font_dir='fonts'):

        fonts.append(font_info)

-    # 统一排序后分配 4 位数字 id（0001、0002...）
-    fonts = sorted(fonts, key=lambda x: (x['category'], x['name'], x['filename']))
-    for index, font in enumerate(fonts, start=1):
-        font['id'] = f"{index:04d}"
-
+    # 固定顺序，保证分配冲突时结果稳定
+    fonts = sorted(fonts, key=lambda x: (x['category'], x['name'], x['filename'], x['relativePath']))
    return fonts


+def assign_stable_ids(fonts):
+    state = load_id_state(ID_STATE_FILE)
+    bootstrap_state_mappings(state)
+
+    cursor = parse_font_id(state.get('nextId')) or ID_MIN
+    used_ids = set()
+    new_count = 0
+
+    for font in fonts:
+        relative_path = font['relativePath']
+        existing_id = state['pathToId'].get(relative_path)
+        existing_num = parse_font_id(existing_id)
+
+        if existing_num and existing_num not in used_ids:
+            assigned_num = existing_num
+        else:
+            if existing_num and existing_num in used_ids:
+                print(
+                    f"警告: 发现 ID 冲突，路径 {relative_path} 原 ID {existing_id} 将重新分配。"
+                )
+            assigned_num, cursor = allocate_new_id(cursor, used_ids)
+            state['pathToId'][relative_path] = format_font_id(assigned_num)
+            new_count += 1
+
+        used_ids.add(assigned_num)
+        font['id'] = format_font_id(assigned_num)
+
+    state['nextId'] = cursor
+    save_id_state(state, ID_STATE_FILE)
+
+    return {
+        'newCount': new_count,
+        'nextId': format_font_id(cursor),
+        'stateFile': str(ID_STATE_FILE),
+    }
+
+
 def build_manifest(fonts, path_prefix):
    """根据路径前缀构建对外清单"""
    prefix = f"/{str(path_prefix or '').strip('/')}"
@@ -91,18 +286,25 @@ def write_fonts_js(fonts, output_file):
 def main():
    """主函数"""
    # 扫描字体（唯一来源：仓库根目录 fonts/）
-    fonts = scan_fonts('fonts')
+    fonts = scan_fonts(str(FONT_DIR))
    
    print(f"找到 {len(fonts)} 个字体文件")

+    allocation_result = assign_stable_ids(fonts)
+    print(
+        f"ID 分配完成：新增 {allocation_result['newCount']} 个，"
+        f"下次起始 ID {allocation_result['nextId']}，"
+        f"状态文件 {allocation_result['stateFile']}"
+    )
+    
    # Web 清单：统一指向根目录 fonts
    web_fonts = build_manifest(fonts, '/fonts')
-    write_fonts_json(web_fonts, 'frontend/public/fonts.json')
+    write_fonts_json(web_fonts, str(WEB_FONTS_JSON))

    # 小程序清单：同样指向根目录 fonts（与 web 共用一份字体目录）
    miniprogram_fonts = build_manifest(fonts, '/fonts')
-    write_fonts_json(miniprogram_fonts, 'miniprogram/assets/fonts.json')
-    write_fonts_js(miniprogram_fonts, 'miniprogram/assets/fonts.js')
+    write_fonts_json(miniprogram_fonts, str(MP_FONTS_JSON))
+    write_fonts_js(miniprogram_fonts, str(MP_FONTS_JS))
    
    # 统计信息
    categories = {}
Author	SHA1	Message	Date
douboer	82ab714405	update at 2026-02-14 16:39:10	2026-02-14 16:39:10 +08:00
douboer	b7dac22327	update at 2026-02-14 16:38:52	2026-02-14 16:38:52 +08:00
douboer	1fb3b51beb	update at 2026-02-14 16:35:57	2026-02-14 16:35:57 +08:00
douboer	e4e552cca6	update at 2026-02-14 16:32:17	2026-02-14 16:32:17 +08:00
douboer	35e17b4ba2	update at 2026-02-14 16:24:00	2026-02-14 16:24:00 +08:00
douboer	797da6eb76	update at 2026-02-14 16:11:35	2026-02-14 16:11:35 +08:00
douboer	88648748e7	update at 2026-02-14 16:09:24	2026-02-14 16:09:24 +08:00
douboer	46327636b0	update at 2026-02-14 16:06:19	2026-02-14 16:06:19 +08:00
douboer	3fc17e7f45	update at 2026-02-12 09:56:46	2026-02-12 09:56:46 +08:00
douboer	a8f6168433	update at 2026-02-11 19:45:21	2026-02-11 19:45:21 +08:00
douboer	9d8316332b	update at 2026-02-11 19:40:43	2026-02-11 19:40:43 +08:00
douboer	e55d0d00c0	update at 2026-02-11 19:39:59	2026-02-11 19:39:59 +08:00
douboer	63f11b0067	update at 2026-02-11 19:35:34	2026-02-11 19:35:34 +08:00
douboer	cc6c9c8a99	update at 2026-02-11 19:31:11	2026-02-11 19:31:11 +08:00
douboer	b0c7ea4cba	update at 2026-02-11 19:25:25	2026-02-11 19:25:25 +08:00
douboer	3d5d517439	update at 2026-02-11 19:17:20	2026-02-11 19:17:20 +08:00
douboer	b3add14421	update at 2026-02-11 19:13:31	2026-02-11 19:13:31 +08:00
douboer	74eebc19db	update at 2026-02-11 18:37:30	2026-02-11 18:37:30 +08:00
douboer	2a737f2857	update at 2026-02-11 18:33:57	2026-02-11 18:33:57 +08:00
douboer	eb27b93d1e	update at 2026-02-11 18:31:17	2026-02-11 18:31:17 +08:00
douboer	3bbd9e3069	update at 2026-02-11 18:27:51	2026-02-11 18:27:51 +08:00
douboer	22685a412b	update at 2026-02-11 18:26:06	2026-02-11 18:26:06 +08:00
douboer	91fa46bd0c	remove frontend/.gitignore and track frontend dist	2026-02-11 17:32:46 +08:00
douboer@gmail.com	494c9aec0e	update at 2026-02-11 17:32:09	2026-02-11 17:32:09 +08:00
douboer@gmail.com	05ccc985c5	update at 2026-02-11 17:30:44	2026-02-11 17:30:44 +08:00
douboer	2329d36260	refresh gitignore	2026-02-11 17:17:24 +08:00
douboer	4c7cbc8ae2	update at 2026-02-11 17:05:23	2026-02-11 17:05:23 +08:00
douboer@gmail.com	831d708838	update at 2026-02-11 17:03:38	2026-02-11 17:03:38 +08:00
douboer	859ec836df	update at 2026-02-11 16:55:46	2026-02-11 16:55:46 +08:00
douboer	1076ca1fa0	add frontend dist	2026-02-11 16:54:17 +08:00
douboer	7899b42e5c	update at 2026-02-11 16:50:49	2026-02-11 16:50:49 +08:00
douboer	b5f5ade1f3	update at 2026-02-11 16:48:41	2026-02-11 16:48:41 +08:00
douboer	0dbb991522	update at 2026-02-11 12:10:49	2026-02-11 12:10:49 +08:00
				`@@ -0,0 +1 @@`
				import{_ as v}from"./index-JIsg-Hgz.js";function p(t,e,n="text/plain"){const o=new Blob([t],{type:n});s(o,e)}function s(t,e){const n=URL.createObjectURL(t),o=document.createElement("a");o.href=n,o.download=e,document.body.appendChild(o),o.click(),document.body.removeChild(o),URL.revokeObjectURL(n)}function P(t,e){p(t,e,"image/svg+xml")}async function F(t,e="font2svg-export.zip"){const n=(await v(async()=>{const{default:r}=await import("./jszip.min-D7KnG0-e.js").then(i=>i.j);return{default:r}},[])).default,o=new n;for(const r of t)o.file(r.name,r.content);const a=await o.generateAsync({type:"blob"});s(a,e)}function d(t){if(!t)return null;const e=t.match(/-?\d+(\.\d+)?/);if(!e)return null;const n=Number(e[0]);return Number.isFinite(n)?n:null}function x(t){const n=new DOMParser().parseFromString(t,"image/svg+xml").documentElement,o=d(n.getAttribute("width")),a=d(n.getAttribute("height"));if(o&&a)return{width:o,height:a};const r=n.getAttribute("viewBox");if(r){const i=r.trim().split(/[\s,]+/).map(Number);if(i.length===4&&Number.isFinite(i[2])&&Number.isFinite(i[3]))return{width:Math.max(1,i[2]),height:Math.max(1,i[3])}}return{width:1024,height:1024}}async function _(t,e){const n=x(t),o=e?.scale??1,a=Math.max(1,Math.round((e?.width??n.width)o)),r=Math.max(1,Math.round((e?.height??n.height)o)),i=document.createElement("canvas");i.width=a,i.height=r;const l=i.getContext("2d");if(!l)throw new Error("无法创建 PNG 画布");e?.backgroundColor?(l.fillStyle=e.backgroundColor,l.fillRect(0,0,a,r)):l.clearRect(0,0,a,r);const f=new Blob([t],{type:"image/svg+xml;charset=utf-8"}),u=URL.createObjectURL(f);try{const c=new Image;await new Promise((w,b)=>{c.onload=()=>w(),c.onerror=()=>b(new Error("SVG 转 PNG 失败")),c.src=u}),l.drawImage(c,0,0,a,r)}finally{URL.revokeObjectURL(u)}const g=await new Promise(c=>{i.toBlob(c,"image/png")});if(!g)throw new Error("PNG 编码失败");return g}async function R(t,e,n){const o=await _(t,n);s(o,e)}function m(t){return t.replace(/[<>:"/\\\|?*\x00-\x1F]/g,"_").replace(/\s+/g,"_").substring(0,200)}function h(t,e){const n=m(Array.from(t).slice(0,8).join(""));return`${m(e.substring(0,20))}_${n}`}function B(t,e){return`${h(t,e)}.svg`}function L(t,e){return`${h(t,e)}.png`}export{_ as convertSvgToPngBlob,s as downloadBlob,F as downloadMultipleFiles,R as downloadPngFromSvg,P as downloadSvg,p as downloadText,L as generatePngFilename,B as generateSvgFilename,m as sanitizeFilename};