diff --git a/apiserver/README.md b/apiserver/README.md
index 19862f2..40e5119 100644
--- a/apiserver/README.md
+++ b/apiserver/README.md
@@ -2,7 +2,7 @@
 
 `apiserver/` 提供微信小程序用的远端渲染接口：
 - 小程序只上传参数（字体 ID、文字、字号、颜色等）
-- 服务端读取 `fonts.json` + `fonts/`，生成 SVG/PNG 后返回
+- 服务端读取字体清单 + 字体目录，生成 SVG/PNG 后返回
 
 ## 1. 启动
 
@@ -17,10 +17,10 @@ python3 apiserver/server.py \
 
 其中 `--static-root` 目录必须包含：
 
-- `fonts.json`
-- `fonts/`（字体文件目录）
+- `fonts/`（统一字体目录）
+- `miniprogram/assets/fonts.json`（小程序清单）
 
-如果不传 `--manifest`，默认读取 `<static-root>/fonts.json`。
+如果不传 `--manifest`，默认优先读取 `<static-root>/miniprogram/assets/fonts.json`，不存在时回退到 `<static-root>/fonts.json`。
 
 ## 2. API
 
@@ -34,7 +34,7 @@ python3 apiserver/server.py \
 
 ```json
 {
-  "fontId": "其他字体/AlimamaDaoLiTi",
+  "fontId": "0001",
   "text": "星程字体转换",
   "fontSize": 120,
   "fillColor": "#000000",
@@ -54,7 +54,7 @@ python3 apiserver/server.py \
 {
   "ok": true,
   "data": {
-    "fontId": "其他字体/AlimamaDaoLiTi",
+    "fontId": "0001",
     "fontName": "AlimamaDaoLiTi",
     "width": 956.2,
     "height": 144.3,
@@ -100,7 +100,7 @@ sudo systemctl status font2svg-api
 
 ## 5. 约束
 
-- 字体解析完全基于 `fonts.json`，`fontId` 必须存在。
+- 字体解析完全基于字体清单（默认 `miniprogram/assets/fonts.json`），字体文件统一从 `<static-root>/fonts/` 读取，`fontId` 必须存在。
 - 服务端启用 CORS，允许小程序访问。
 - 不依赖 Flask/FastAPI，使用 Python 标准库 HTTP 服务。
 - `/api/render-png` 依赖 `node + sharp`（使用 `apiserver/svg_to_png.js` 转换）。
diff --git a/apiserver/server.py b/apiserver/server.py
index 966e6a7..2e035e0 100644
--- a/apiserver/server.py
+++ b/apiserver/server.py
@@ -7,6 +7,7 @@ import json
 import logging
 import os
 import threading
+import time
 from http.server import BaseHTTPRequestHandler, ThreadingHTTPServer
 from urllib.parse import urlparse
 
@@ -164,12 +165,29 @@ class FontCatalog:
 class RenderHandler(BaseHTTPRequestHandler):
     catalog = None
 
+    def send_response(self, code, message=None):
+        self._response_status = code
+        super().send_response(code, message)
+
     def _set_cors_headers(self):
         self.send_header("Access-Control-Allow-Origin", "*")
         self.send_header("Access-Control-Allow-Methods", "GET,POST,OPTIONS")
         self.send_header("Access-Control-Allow-Headers", "Content-Type,Authorization")
         self.send_header("Access-Control-Max-Age", "86400")
 
+    def _log_request_timing(self, start_time):
+        elapsed_ms = (time.perf_counter() - start_time) * 1000
+        status = getattr(self, "_response_status", "-")
+        client_ip = self.client_address[0] if self.client_address else "-"
+        LOGGER.info(
+            "请求完成 method=%s path=%s status=%s duration_ms=%.2f client=%s",
+            self.command,
+            self.path,
+            status,
+            elapsed_ms,
+            client_ip,
+        )
+
     def _send_json(self, status_code, payload):
         body = json.dumps(payload, ensure_ascii=False).encode("utf-8")
         self.send_response(status_code)
@@ -240,69 +258,84 @@ class RenderHandler(BaseHTTPRequestHandler):
         return font_info, result
 
     def do_OPTIONS(self):  # noqa: N802
-        self.send_response(204)
-        self._set_cors_headers()
-        self.end_headers()
+        start_time = time.perf_counter()
+        self._response_status = None
+        try:
+            self.send_response(204)
+            self._set_cors_headers()
+            self.end_headers()
+        finally:
+            self._log_request_timing(start_time)
 
     def do_GET(self):  # noqa: N802
-        parsed = urlparse(self.path)
-        if parsed.path == "/healthz":
-            try:
-                data = self.catalog.health()
-                self._send_json(200, {"ok": True, "data": data})
-            except Exception as error:
-                LOGGER.exception("健康检查失败")
-                self._send_json(500, {"ok": False, "error": str(error)})
-            return
+        start_time = time.perf_counter()
+        self._response_status = None
+        try:
+            parsed = urlparse(self.path)
+            if parsed.path == "/healthz":
+                try:
+                    data = self.catalog.health()
+                    self._send_json(200, {"ok": True, "data": data})
+                except Exception as error:
+                    LOGGER.exception("健康检查失败")
+                    self._send_json(500, {"ok": False, "error": str(error)})
+                return
 
-        self._send_json(404, {"ok": False, "error": "Not Found"})
+            self._send_json(404, {"ok": False, "error": "Not Found"})
+        finally:
+            self._log_request_timing(start_time)
 
     def do_POST(self):  # noqa: N802
-        parsed = urlparse(self.path)
-        if parsed.path not in ("/api/render-svg", "/api/render-png"):
-            self._send_json(404, {"ok": False, "error": "Not Found"})
-            return
-
+        start_time = time.perf_counter()
+        self._response_status = None
         try:
-            render_params = self._parse_render_payload()
-            font_info, result = self._render_svg_core(render_params)
-        except KeyError as error:
-            self._send_json(404, {"ok": False, "error": str(error)})
-            return
-        except FileNotFoundError as error:
-            self._send_json(404, {"ok": False, "error": str(error)})
-            return
-        except ValueError as error:
-            self._send_json(400, {"ok": False, "error": str(error)})
-            return
-        except Exception as error:
-            LOGGER.exception("渲染失败")
-            self._send_json(500, {"ok": False, "error": str(error)})
-            return
+            parsed = urlparse(self.path)
+            if parsed.path not in ("/api/render-svg", "/api/render-png"):
+                self._send_json(404, {"ok": False, "error": "Not Found"})
+                return
 
-        if parsed.path == "/api/render-png":
             try:
-                png_bytes = render_png_from_svg(
-                    result["svg"],
-                    result["width"],
-                    result["height"],
-                )
+                render_params = self._parse_render_payload()
+                font_info, result = self._render_svg_core(render_params)
+            except KeyError as error:
+                self._send_json(404, {"ok": False, "error": str(error)})
+                return
+            except FileNotFoundError as error:
+                self._send_json(404, {"ok": False, "error": str(error)})
+                return
+            except ValueError as error:
+                self._send_json(400, {"ok": False, "error": str(error)})
+                return
             except Exception as error:
-                LOGGER.exception("PNG 渲染失败")
+                LOGGER.exception("渲染失败")
                 self._send_json(500, {"ok": False, "error": str(error)})
                 return
 
-            self._send_binary(200, png_bytes, "image/png")
-            return
+            if parsed.path == "/api/render-png":
+                try:
+                    png_bytes = render_png_from_svg(
+                        result["svg"],
+                        result["width"],
+                        result["height"],
+                    )
+                except Exception as error:
+                    LOGGER.exception("PNG 渲染失败")
+                    self._send_json(500, {"ok": False, "error": str(error)})
+                    return
 
-        response_data = {
-            "svg": result["svg"],
-            "width": result["width"],
-            "height": result["height"],
-            "fontName": result.get("fontName") or font_info.get("name") or "Unknown",
-            "fontId": render_params["fontId"],
-        }
-        self._send_json(200, {"ok": True, "data": response_data})
+                self._send_binary(200, png_bytes, "image/png")
+                return
+
+            response_data = {
+                "svg": result["svg"],
+                "width": result["width"],
+                "height": result["height"],
+                "fontName": result.get("fontName") or font_info.get("name") or "Unknown",
+                "fontId": render_params["fontId"],
+            }
+            self._send_json(200, {"ok": True, "data": response_data})
+        finally:
+            self._log_request_timing(start_time)
 
     def log_message(self, format_str, *args):
         LOGGER.info("%s - %s", self.address_string(), format_str % args)
@@ -321,12 +354,12 @@ def main():
     parser.add_argument(
         "--static-root",
         default=os.getenv("FONT2SVG_STATIC_ROOT", os.getcwd()),
-        help="静态资源根目录（包含 fonts/ 与 fonts.json）",
+        help="静态资源根目录（包含 fonts/ 与配置清单）",
     )
     parser.add_argument(
         "--manifest",
         default=os.getenv("FONT2SVG_MANIFEST_PATH", ""),
-        help="字体清单路径，默认使用 <static-root>/fonts.json",
+        help="字体清单路径，默认优先使用 <static-root>/miniprogram/assets/fonts.json，其次 <static-root>/fonts.json",
     )
     args = parser.parse_args()
 
@@ -336,7 +369,14 @@ def main():
     )
 
     static_root = os.path.abspath(args.static_root)
-    manifest_path = args.manifest.strip() or os.path.join(static_root, "fonts.json")
+    if args.manifest.strip():
+        manifest_path = args.manifest.strip()
+    else:
+        manifest_candidates = [
+            os.path.join(static_root, "miniprogram", "assets", "fonts.json"),
+            os.path.join(static_root, "fonts.json"),
+        ]
+        manifest_path = next((item for item in manifest_candidates if os.path.isfile(item)), manifest_candidates[0])
 
     server = build_server(
         host=args.host,
diff --git a/frontend/public/default.json b/frontend/public/default.json
new file mode 100644
index 0000000..b482310
--- /dev/null
+++ b/frontend/public/default.json
@@ -0,0 +1,11 @@
+{
+  "inputText": "星程字体转换",
+  "fontSize": 50,
+  "textColor": "#dc2626",
+  "selectedFontIds": [
+    "0001"
+  ],
+  "favoriteFontIds": [
+    "0001"
+  ]
+}
diff --git a/miniprogram/README.md b/miniprogram/README.md
index c146d3b..5e52cb4 100644
--- a/miniprogram/README.md
+++ b/miniprogram/README.md
@@ -17,10 +17,13 @@ miniprogram/
 ├── pages/
 │   ├── index/                  # 首页：输入、预览、导出
 │   └── font-picker/            # 字体选择页
+├── config/
+│   └── server.js               # 远端地址/端口/API 路径统一配置
 ├── utils/
 │   ├── core/                   # 纯算法模块
 │   └── mp/                     # 小程序 API 适配层
 ├── assets/fonts.json           # 字体清单（由脚本生成）
+├── assets/default.json         # 首次加载默认配置（内容/颜色/字号/默认字体）
 ├── app.js / app.json / app.wxss
 └── project.config.json
 ```
@@ -34,6 +37,19 @@ miniprogram/
 5. Nginx 配置 `/api/` 反向代理到渲染服务。
 6. 编译运行。
 
+## 服务器配置（换服务器只改一处）
+
+修改 `miniprogram/config/server.js` 中的 `SERVER_CONFIG`：
+
+- `protocol`: `https` / `http`
+- `host`: 服务器域名
+- `port`: 端口（默认 443/80 可留空）
+- `apiPrefix`: API 前缀（默认 `/api`）
+- `fontsManifestPath`: 字体清单路径（默认 `/miniprogram/assets/fonts.json`）
+- `defaultConfigPath`: 默认配置路径（默认 `/miniprogram/assets/default.json`）
+
+`app.js` 和 API 调用会自动使用该配置生成完整 URL。
+
 ## 导出说明
 
 - `SVG`：受微信限制，`shareFileMessage` 需由单次点击直接触发，建议逐个字体导出。
@@ -50,6 +66,29 @@ miniprogram/
 
 如果 `path` 是相对路径（例如 `/fonts/a.ttf`），服务端会根据静态根目录拼接到实际文件路径。
 
+推荐部署结构：
+- 字体目录统一放在服务器根目录：`/fonts/`
+- Web 配置文件独立管理：`/fonts.json`（可选 `/default.json`）
+- 小程序配置文件独立管理：`/miniprogram/assets/fonts.json`、`/miniprogram/assets/default.json`
+
+## 首次默认配置（default.json）
+
+- 默认配置文件与 `fonts.json` 同目录：由 `config/server.js` 自动拼接（默认是 `https://fonts.biboer.cn/miniprogram/assets/default.json`）
+- 小程序会在首次加载时读取该配置（远端失败则回退本地 `miniprogram/assets/default.js`）
+- 配置只在首次加载生效，后续始终使用用户本地已保存配置（选择、收藏、颜色、字号、内容）
+
+示例：
+
+```json
+{
+  "inputText": "星程字体转换",
+  "fontSize": 50,
+  "textColor": "#dc2626",
+  "selectedFontIds": ["0001"],
+  "favoriteFontIds": ["0001"]
+}
+```
+
 ## 调试命令（仓库根目录）
 
 ```bash
diff --git a/miniprogram/app.js b/miniprogram/app.js
index 1ed08e5..993d999 100644
--- a/miniprogram/app.js
+++ b/miniprogram/app.js
@@ -1,9 +1,12 @@
+const { buildRuntimeConfig } = require('./config/server')
+
+const runtimeConfig = buildRuntimeConfig()
+
 App({
   globalData: {
-    fontsManifestUrl: 'https://fonts.biboer.cn/fonts.json',
-    fontsBaseUrl: 'https://fonts.biboer.cn',
-    svgRenderApiUrl: 'https://fonts.biboer.cn/api/render-svg',
+    ...runtimeConfig,
     apiTimeoutMs: 30000,
     fonts: null,
+    defaultConfig: null,
   },
 })
diff --git a/miniprogram/assets/default.js b/miniprogram/assets/default.js
new file mode 100644
index 0000000..57c06fe
--- /dev/null
+++ b/miniprogram/assets/default.js
@@ -0,0 +1,19 @@
+module.exports = {
+  inputText: '星程字体转换',
+  fontSize: 50,
+  textColor: '#dc2626',
+  selectedFontIds: [
+    '0001',
+    '0003',
+    '0006',
+    '0011',
+    '0015',
+  ],
+  favoriteFontIds: [
+    '0001',
+    '0003',
+    '0006',
+    '0011',
+    '0015',
+  ],
+}
diff --git a/miniprogram/assets/default.json b/miniprogram/assets/default.json
new file mode 100644
index 0000000..621348a
--- /dev/null
+++ b/miniprogram/assets/default.json
@@ -0,0 +1,19 @@
+{
+  "inputText": "星程字体转换",
+  "fontSize": 50,
+  "textColor": "#dc2626",
+  "selectedFontIds": [
+    "0001",
+    "0003",
+    "0006",
+    "0011",
+    "0015"
+  ],
+  "favoriteFontIds": [
+    "0001",
+    "0003",
+    "0006",
+    "0011",
+    "0015"
+  ]
+}
diff --git a/miniprogram/assets/fonts.js b/miniprogram/assets/fonts.js
index 4beb935..75019c0 100644
--- a/miniprogram/assets/fonts.js
+++ b/miniprogram/assets/fonts.js
@@ -1,167 +1,167 @@
 module.exports = [
   {
-    "id": "其他字体/AlimamaDaoLiTi",
+    "id": "0001",
     "name": "AlimamaDaoLiTi",
     "filename": "AlimamaDaoLiTi.ttf",
     "category": "其他字体",
     "path": "/fonts/其他字体/AlimamaDaoLiTi.ttf"
   },
   {
-    "id": "其他字体/Hangeuljaemin4-Regular",
+    "id": "0002",
     "name": "Hangeuljaemin4-Regular",
     "filename": "Hangeuljaemin4-Regular.ttf",
     "category": "其他字体",
     "path": "/fonts/其他字体/Hangeuljaemin4-Regular.ttf"
   },
   {
-    "id": "其他字体/I.顏體",
+    "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": "其他字体/XCDUANZHUANGSONGTI",
+    "id": "0004",
     "name": "XCDUANZHUANGSONGTI",
     "filename": "XCDUANZHUANGSONGTI.ttf",
     "category": "其他字体",
     "path": "/fonts/其他字体/XCDUANZHUANGSONGTI.ttf"
   },
   {
-    "id": "其他字体/qiji-combo",
+    "id": "0005",
     "name": "qiji-combo",
     "filename": "qiji-combo.ttf",
     "category": "其他字体",
     "path": "/fonts/其他字体/qiji-combo.ttf"
   },
   {
-    "id": "其他字体/临海隶书",
+    "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": "其他字体/京華老宋体_KingHwa_OldSong",
+    "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": "其他字体/优设标题黑",
+    "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": "其他字体/包图小白体",
+    "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": "其他字体/源界明朝",
+    "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": "其他字体/演示佛系体",
+    "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": "其他字体/站酷快乐体",
+    "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": "其他字体/问藏书房",
+    "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": "其他字体/霞鹜臻楷",
+    "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": "庞门正道/庞门正道标题体",
+    "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": "庞门正道-测试/庞门正道标题体",
+    "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": "王漢宗/王漢宗勘亭流繁",
+    "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": "王漢宗/王漢宗新潮體",
+    "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": "王漢宗/王漢宗波卡體空陰",
+    "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": "王漢宗/王漢宗細黑體繁",
+    "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": "王漢宗/王漢宗綜藝體雙空陰",
+    "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": "王漢宗/王漢宗超明體繁",
+    "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": "王漢宗/王漢宗酷儷海報",
+    "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": "王漢宗/王漢宗顏楷體繁",
+    "id": "0024",
     "name": "王漢宗顏楷體繁",
     "filename": "王漢宗顏楷體繁.ttf",
     "category": "王漢宗",
diff --git a/miniprogram/assets/fonts.json b/miniprogram/assets/fonts.json
index 141559d..4be1f6c 100644
--- a/miniprogram/assets/fonts.json
+++ b/miniprogram/assets/fonts.json
@@ -1,167 +1,167 @@
 [
   {
-    "id": "其他字体/AlimamaDaoLiTi",
+    "id": "0001",
     "name": "AlimamaDaoLiTi",
     "filename": "AlimamaDaoLiTi.ttf",
     "category": "其他字体",
     "path": "/fonts/其他字体/AlimamaDaoLiTi.ttf"
   },
   {
-    "id": "其他字体/Hangeuljaemin4-Regular",
+    "id": "0002",
     "name": "Hangeuljaemin4-Regular",
     "filename": "Hangeuljaemin4-Regular.ttf",
     "category": "其他字体",
     "path": "/fonts/其他字体/Hangeuljaemin4-Regular.ttf"
   },
   {
-    "id": "其他字体/I.顏體",
+    "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": "其他字体/XCDUANZHUANGSONGTI",
+    "id": "0004",
     "name": "XCDUANZHUANGSONGTI",
     "filename": "XCDUANZHUANGSONGTI.ttf",
     "category": "其他字体",
     "path": "/fonts/其他字体/XCDUANZHUANGSONGTI.ttf"
   },
   {
-    "id": "其他字体/qiji-combo",
+    "id": "0005",
     "name": "qiji-combo",
     "filename": "qiji-combo.ttf",
     "category": "其他字体",
     "path": "/fonts/其他字体/qiji-combo.ttf"
   },
   {
-    "id": "其他字体/临海隶书",
+    "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": "其他字体/京華老宋体_KingHwa_OldSong",
+    "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": "其他字体/优设标题黑",
+    "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": "其他字体/包图小白体",
+    "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": "其他字体/源界明朝",
+    "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": "其他字体/演示佛系体",
+    "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": "其他字体/站酷快乐体",
+    "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": "其他字体/问藏书房",
+    "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": "其他字体/霞鹜臻楷",
+    "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": "庞门正道/庞门正道标题体",
+    "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": "庞门正道-测试/庞门正道标题体",
+    "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": "王漢宗/王漢宗勘亭流繁",
+    "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": "王漢宗/王漢宗新潮體",
+    "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": "王漢宗/王漢宗波卡體空陰",
+    "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": "王漢宗/王漢宗細黑體繁",
+    "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": "王漢宗/王漢宗綜藝體雙空陰",
+    "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": "王漢宗/王漢宗超明體繁",
+    "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": "王漢宗/王漢宗酷儷海報",
+    "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": "王漢宗/王漢宗顏楷體繁",
+    "id": "0024",
     "name": "王漢宗顏楷體繁",
     "filename": "王漢宗顏楷體繁.ttf",
     "category": "王漢宗",
diff --git a/miniprogram/config/cdn.js b/miniprogram/config/cdn.js
index 6c00f7f..a0e9e56 100644
--- a/miniprogram/config/cdn.js
+++ b/miniprogram/config/cdn.js
@@ -1,7 +1,9 @@
 // CDN 配置文件
 // 管理所有静态资源的 CDN 地址
 
-const CDN_BASE_URL = 'https://fonts.biboer.cn';
+const { buildRuntimeConfig } = require('./server')
+const runtimeConfig = buildRuntimeConfig()
+const CDN_BASE_URL = runtimeConfig.fontsBaseUrl;
 
 // 图标路径配置
 const ICON_PATHS = {
@@ -30,7 +32,7 @@ const ICON_PATHS = {
 
 // 字体资源路径
 const FONT_BASE_URL = `${CDN_BASE_URL}/fonts`;
-const FONTS_JSON_URL = `${CDN_BASE_URL}/fonts.json`;
+const FONTS_JSON_URL = runtimeConfig.fontsManifestUrl;
 
 module.exports = {
   CDN_BASE_URL,
diff --git a/miniprogram/config/server.js b/miniprogram/config/server.js
new file mode 100644
index 0000000..9c09435
--- /dev/null
+++ b/miniprogram/config/server.js
@@ -0,0 +1,54 @@
+// 远端服务配置（统一修改入口）
+// 更换服务器时，仅需修改这里。
+
+const SERVER_CONFIG = {
+  protocol: 'https',
+  host: 'fonts.biboer.cn',
+  // 留空表示使用协议默认端口（https:443 / http:80）
+  port: '',
+  apiPrefix: '/api',
+  fontsManifestPath: '/miniprogram/assets/fonts.json',
+  defaultConfigPath: '/miniprogram/assets/default.json',
+}
+
+function buildOrigin() {
+  const protocol = String(SERVER_CONFIG.protocol || 'https').replace(/:$/, '')
+  const host = String(SERVER_CONFIG.host || '').trim()
+  const port = String(SERVER_CONFIG.port || '').trim()
+
+  if (!host) {
+    throw new Error('SERVER_CONFIG.host 未配置')
+  }
+
+  const hasDefaultPort = (protocol === 'https' && port === '443') || (protocol === 'http' && port === '80')
+  const portPart = !port || hasDefaultPort ? '' : `:${port}`
+  return `${protocol}://${host}${portPart}`
+}
+
+function normalizePath(path, fallback) {
+  const value = String(path || fallback || '').trim()
+  if (!value) {
+    return '/'
+  }
+  return value.startsWith('/') ? value : `/${value}`
+}
+
+function buildRuntimeConfig() {
+  const origin = buildOrigin()
+  const apiPrefix = normalizePath(SERVER_CONFIG.apiPrefix, '/api').replace(/\/$/, '')
+  const fontsManifestPath = normalizePath(SERVER_CONFIG.fontsManifestPath, '/miniprogram/assets/fonts.json')
+  const defaultConfigPath = normalizePath(SERVER_CONFIG.defaultConfigPath, '/miniprogram/assets/default.json')
+
+  return {
+    fontsBaseUrl: origin,
+    fontsManifestUrl: `${origin}${fontsManifestPath}`,
+    defaultConfigUrl: `${origin}${defaultConfigPath}`,
+    svgRenderApiUrl: `${origin}${apiPrefix}/render-svg`,
+    pngRenderApiUrl: `${origin}${apiPrefix}/render-png`,
+  }
+}
+
+module.exports = {
+  SERVER_CONFIG,
+  buildRuntimeConfig,
+}
diff --git a/miniprogram/pages/index/index.js b/miniprogram/pages/index/index.js
index c0bd411..94891cc 100644
--- a/miniprogram/pages/index/index.js
+++ b/miniprogram/pages/index/index.js
@@ -1,4 +1,4 @@
-const { loadFontsManifest } = require('../../utils/mp/font-loader')
+const { loadFontsManifest, loadDefaultConfig } = require('../../utils/mp/font-loader')
 const { loadAppState, saveAppState, loadFavorites, saveFavorites } = require('../../utils/mp/storage')
 const {
   shareSvgFromUserTap,
@@ -11,8 +11,11 @@ const COLOR_PALETTE = ['#000000', '#1d4ed8', '#047857', '#b45309', '#dc2626', '#
 const FONT_SIZE_MIN = 20
 const FONT_SIZE_MAX = 120
 const PREVIEW_RENDER_FONT_SIZE = 120
+const PREVIEW_MAX_CHARS_PER_LINE = 45
+const PREVIEW_CACHE_LIMIT = 300
 const MIN_PREVIEW_IMAGE_WIDTH = 24
 const MAX_PREVIEW_IMAGE_WIDTH = 2400
+const FEEDBACK_EMAIL = 'douboer@gmail.com'
 
 // 临时使用本地图标 - 根据Figma annotation配置
 const LOCAL_ICON_PATHS = {
@@ -58,6 +61,31 @@ function clampFontSize(value, fallback = PREVIEW_RENDER_FONT_SIZE) {
   return Math.min(FONT_SIZE_MAX, Math.max(FONT_SIZE_MIN, Math.round(base)))
 }
 
+function normalizeSelectedFontIds(fontIds) {
+  if (!Array.isArray(fontIds)) {
+    return []
+  }
+  return Array.from(
+    new Set(
+      fontIds
+        .map((id) => String(id || '').trim())
+        .filter(Boolean),
+    ),
+  )
+}
+
+function buildLegacyFontId(font) {
+  if (!font || typeof font !== 'object') {
+    return ''
+  }
+  const category = String(font.category || '').trim()
+  const name = String(font.name || '').trim()
+  if (!category || !name) {
+    return ''
+  }
+  return `${category}/${name}`
+}
+
 function extractErrorMessage(error, fallback) {
   if (!error) {
     return fallback
@@ -84,6 +112,25 @@ function writePngBufferToTempFile(pngBuffer, fontName) {
   return filePath
 }
 
+function buildPreviewCacheKey(fontId, text, letterSpacing, maxCharsPerLine = PREVIEW_MAX_CHARS_PER_LINE) {
+  const safeFontId = String(fontId || '')
+  const safeText = String(text || '')
+  const spacingNumber = Number(letterSpacing)
+  const safeSpacing = Number.isFinite(spacingNumber) ? spacingNumber.toFixed(4) : '0.0000'
+  return [safeFontId, safeSpacing, String(maxCharsPerLine), safeText].join('::')
+}
+
+function setPreviewCache(previewCache, key, value) {
+  previewCache.set(key, value)
+  if (previewCache.size <= PREVIEW_CACHE_LIMIT) {
+    return
+  }
+  const oldestKey = previewCache.keys().next().value
+  if (oldestKey !== undefined) {
+    previewCache.delete(oldestKey)
+  }
+}
+
 function formatSvgNumber(value) {
   const text = String(Number(value).toFixed(2))
   return text.replace(/\.?0+$/, '')
@@ -146,9 +193,9 @@ function applyLocalStyleToFontItem(font, fontSize, color) {
 Page({
   data: {
     inputText: '星程字体转换',
-    fontSize: FONT_SIZE_MAX,
+    fontSize: 50,
     letterSpacingInput: '0',
-    textColor: '#000000',
+    textColor: '#dc2626',
     colorPalette: COLOR_PALETTE,
     selectedFonts: [], // 当前已选中的字体列表
     fontCategories: [], // 字体分类树
@@ -160,6 +207,7 @@ Page({
     // 搜索功能
     searchKeyword: '',
     showSearch: true,
+    feedbackEmail: FEEDBACK_EMAIL,
   },
 
   async onLoad() {
@@ -170,6 +218,8 @@ Page({
     console.log('============================')
 
     this.fontMap = new Map()
+    this.legacyFontIdMap = new Map()
+    this.previewCache = new Map()
     this.generateTimer = null
     this.categoryExpandedMap = {}
 
@@ -177,7 +227,11 @@ Page({
   },
 
   onShow() {
-    const favorites = loadFavorites()
+    const rawFavorites = loadFavorites()
+    const favorites = this.normalizeFontIdList(rawFavorites)
+    if (normalizeSelectedFontIds(rawFavorites).join(',') !== favorites.join(',')) {
+      saveFavorites(favorites)
+    }
     this.setData({ favorites })
     this.updateFontTrees()
   },
@@ -196,35 +250,126 @@ Page({
     this.setData({ selectedFonts })
   },
 
+  buildFontMaps(fonts) {
+    this.fontMap = new Map()
+    this.legacyFontIdMap = new Map()
+
+    if (!Array.isArray(fonts)) {
+      return
+    }
+
+    fonts.forEach((font) => {
+      const fontId = String(font.id || '').trim()
+      if (!fontId) {
+        return
+      }
+
+      this.fontMap.set(fontId, font)
+
+      const legacyId = buildLegacyFontId(font)
+      if (legacyId && !this.legacyFontIdMap.has(legacyId)) {
+        this.legacyFontIdMap.set(legacyId, fontId)
+      }
+    })
+  },
+
+  resolveFontId(fontId) {
+    const normalizedId = String(fontId || '').trim()
+    if (!normalizedId) {
+      return ''
+    }
+
+    const hasFontMap = this.fontMap instanceof Map && this.fontMap.size > 0
+    if (!hasFontMap) {
+      return normalizedId
+    }
+
+    if (this.fontMap.has(normalizedId)) {
+      return normalizedId
+    }
+
+    if (this.legacyFontIdMap instanceof Map && this.legacyFontIdMap.has(normalizedId)) {
+      return this.legacyFontIdMap.get(normalizedId) || ''
+    }
+
+    return ''
+  },
+
+  normalizeFontIdList(fontIds) {
+    const normalized = normalizeSelectedFontIds(fontIds)
+    return Array.from(
+      new Set(
+        normalized
+          .map((fontId) => this.resolveFontId(fontId))
+          .filter(Boolean),
+      ),
+    )
+  },
+
   async bootstrap() {
     wx.showLoading({ title: '加载中', mask: true })
     try {
       const state = loadAppState()
-      const fonts = await loadFontsManifest()
-      const favorites = loadFavorites()
+      const isFirstLaunch = !state || !state.updatedAt
+      const [fonts, defaultConfig] = await Promise.all([
+        loadFontsManifest(),
+        loadDefaultConfig(),
+      ])
+      this.buildFontMaps(fonts)
 
-      for (const font of fonts) {
-        this.fontMap.set(font.id, font)
+      const rawFavorites = loadFavorites()
+      const normalizedStoredFavorites = this.normalizeFontIdList(rawFavorites)
+      const normalizedDefaultFavorites = this.normalizeFontIdList(defaultConfig.favoriteFontIds)
+      const favorites = isFirstLaunch ? normalizedDefaultFavorites : normalizedStoredFavorites
+
+      if (
+        normalizeSelectedFontIds(rawFavorites).join(',') !== favorites.join(',') ||
+        (isFirstLaunch && favorites.length > 0)
+      ) {
+        saveFavorites(favorites)
       }
 
+      const initialInputText = isFirstLaunch
+        ? ((typeof defaultConfig.inputText === 'string' && defaultConfig.inputText) || this.data.inputText)
+        : (state.inputText || this.data.inputText)
+      const initialFontSize = isFirstLaunch
+        ? clampFontSize(defaultConfig.fontSize, this.data.fontSize)
+        : clampFontSize(state.fontSize, this.data.fontSize)
+      const initialLetterSpacingInput = isFirstLaunch
+        ? (
+          typeof defaultConfig.letterSpacing === 'number'
+            ? String(defaultConfig.letterSpacing)
+            : this.data.letterSpacingInput
+        )
+        : (
+          typeof state.letterSpacing === 'number'
+            ? String(state.letterSpacing)
+            : this.data.letterSpacingInput
+        )
+      const initialTextColor = isFirstLaunch
+        ? normalizeHexColor(defaultConfig.textColor || this.data.textColor)
+        : normalizeHexColor(state.textColor || this.data.textColor)
+
       this.setData({
-        inputText: state.inputText || this.data.inputText,
-        fontSize: clampFontSize(state.fontSize, this.data.fontSize),
-        letterSpacingInput:
-          typeof state.letterSpacing === 'number' ? String(state.letterSpacing) : this.data.letterSpacingInput,
-        textColor: normalizeHexColor(state.textColor || this.data.textColor),
+        inputText: initialInputText,
+        fontSize: initialFontSize,
+        letterSpacingInput: initialLetterSpacingInput,
+        textColor: initialTextColor,
         favorites,
       })
-      this.categoryExpandedMap = state.categoryExpandedMap && typeof state.categoryExpandedMap === 'object'
+      this.categoryExpandedMap = !isFirstLaunch && state.categoryExpandedMap && typeof state.categoryExpandedMap === 'object'
         ? { ...state.categoryExpandedMap }
         : {}
 
       // 构建字体树
       this.updateFontTrees()
 
-      // 如果有保存的选中字体，恢复它们
-      if (state.selectedFontIds && state.selectedFontIds.length > 0) {
-        const selectedFonts = state.selectedFontIds
+      // 恢复选中字体（首次使用走 default.json，后续走本地用户配置）
+      const rawSelectedFontIds = isFirstLaunch ? defaultConfig.selectedFontIds : state.selectedFontIds
+      const normalizedStoredSelectedIds = normalizeSelectedFontIds(rawSelectedFontIds)
+      const initialSelectedFontIds = this.normalizeFontIdList(normalizedStoredSelectedIds)
+      if (initialSelectedFontIds.length > 0) {
+        const selectedFonts = initialSelectedFontIds
           .map(id => this.fontMap.get(id))
           .filter(font => font)
           .map(font => ({
@@ -240,6 +385,21 @@ Page({
         this.updateFontTrees()
         await this.generateAllPreviews()
       }
+
+      const migratedSelectedIdsChanged = !isFirstLaunch &&
+        normalizedStoredSelectedIds.join(',') !== initialSelectedFontIds.join(',')
+
+      // 首次加载后立即固化配置，后续全部以用户配置为准
+      if (isFirstLaunch || migratedSelectedIdsChanged) {
+        saveAppState({
+          inputText: this.data.inputText,
+          selectedFontIds: this.data.selectedFonts.map(font => font.id),
+          fontSize: Number(this.data.fontSize),
+          letterSpacing: Number(this.data.letterSpacingInput || 0),
+          textColor: this.data.textColor,
+          categoryExpandedMap: this.categoryExpandedMap,
+        })
+      }
     } catch (error) {
       const message = error && error.message ? error.message : '初始化失败'
       wx.showToast({ title: message, icon: 'none', duration: 2200 })
@@ -317,7 +477,7 @@ Page({
         cat.allSelected = false
       }
     })
-    
+
     favoriteFonts.sort((a, b) => {
       const categoryCompare = String(a.category || '').localeCompare(String(b.category || ''))
       if (categoryCompare !== 0) return categoryCompare
@@ -430,7 +590,7 @@ Page({
   },
 
   // 切换分类全选/取消全选
-  onToggleSelectAllInCategory(e) {
+  async onToggleSelectAllInCategory(e) {
     const category = e.currentTarget.dataset.category
     if (!category) return
 
@@ -438,8 +598,9 @@ Page({
     if (!categoryFonts || categoryFonts.fonts.length === 0) return
 
     const allSelected = categoryFonts.allSelected
-    const selectedFonts = [...this.data.selectedFonts]
-    const selectedIdSet = new Set(selectedFonts.map(f => f.id))
+    const previousSelectedMap = new Map(this.data.selectedFonts.map(font => [font.id, font]))
+    const selectedIdSet = new Set(previousSelectedMap.keys())
+    const addedFontIds = []
 
     if (allSelected) {
       // 取消全选：移除该分类下的所有字体
@@ -449,6 +610,9 @@ Page({
     } else {
       // 全选：添加该分类下的所有字体
       categoryFonts.fonts.forEach(font => {
+        if (!selectedIdSet.has(font.id)) {
+          addedFontIds.push(font.id)
+        }
         selectedIdSet.add(font.id)
       })
     }
@@ -456,19 +620,32 @@ Page({
     const newSelectedFonts = []
     this.fontMap.forEach(font => {
       if (selectedIdSet.has(font.id)) {
-        newSelectedFonts.push({
-          id: font.id,
-          name: font.name,
-          category: font.category,
-          showInPreview: true,
-          previewSrc: '',
-        })
+        const existingFont = previousSelectedMap.get(font.id)
+        if (existingFont) {
+          newSelectedFonts.push({
+            ...existingFont,
+            showInPreview: typeof existingFont.showInPreview === 'boolean' ? existingFont.showInPreview : true,
+          })
+        } else {
+          newSelectedFonts.push({
+            id: font.id,
+            name: font.name,
+            category: font.category,
+            showInPreview: true,
+            previewSrc: '',
+          })
+        }
       }
     })
 
     this.setData({ selectedFonts: newSelectedFonts })
     this.updateFontTrees()
-    this.scheduleGenerate()
+
+    if (addedFontIds.length > 0) {
+      for (const fontId of addedFontIds) {
+        await this.generatePreviewForFont(fontId)
+      }
+    }
 
     saveAppState({
       inputText: this.data.inputText,
@@ -488,6 +665,26 @@ Page({
 
     try {
       const letterSpacing = Number(this.data.letterSpacingInput || 0)
+      const cacheKey = buildPreviewCacheKey(fontId, text, letterSpacing, PREVIEW_MAX_CHARS_PER_LINE)
+      const cached = this.previewCache.get(cacheKey)
+
+      if (cached) {
+        const selectedFonts = this.data.selectedFonts
+        const index = selectedFonts.findIndex(f => f.id === fontId)
+        if (index >= 0) {
+          selectedFonts[index].baseSvg = cached.svg
+          selectedFonts[index].baseWidth = cached.width
+          selectedFonts[index].baseHeight = cached.height
+          selectedFonts[index].renderFontSize = PREVIEW_RENDER_FONT_SIZE
+          selectedFonts[index] = applyLocalStyleToFontItem(
+            selectedFonts[index],
+            Number(this.data.fontSize),
+            this.data.textColor,
+          )
+          this.setData({ selectedFonts })
+        }
+        return
+      }
 
       const result = await renderSvgByApi({
         fontId,
@@ -496,7 +693,12 @@ Page({
         fontSize: PREVIEW_RENDER_FONT_SIZE,
         fillColor: '#000000',
         letterSpacing,
-        maxCharsPerLine: 45,
+        maxCharsPerLine: PREVIEW_MAX_CHARS_PER_LINE,
+      })
+      setPreviewCache(this.previewCache, cacheKey, {
+        svg: result.svg,
+        width: result.width,
+        height: result.height,
       })
 
       // 更新对应字体的预览
@@ -850,4 +1052,42 @@ Page({
     this.setData({ searchKeyword: keyword })
     this.updateFontTrees()
   },
+
+  onTapFeedbackEmail() {
+    const email = this.data.feedbackEmail || FEEDBACK_EMAIL
+    const mailtoUrl = `mailto:${email}`
+
+    // 微信环境对 mailto 支持不稳定：优先尝试跳转，失败时自动复制邮箱
+    if (typeof wx.openUrl === 'function') {
+      wx.openUrl({
+        url: mailtoUrl,
+        fail: () => {
+          this.copyFeedbackEmail(email)
+        },
+      })
+      return
+    }
+
+    this.copyFeedbackEmail(email)
+  },
+
+  copyFeedbackEmail(email) {
+    wx.setClipboardData({
+      data: String(email || FEEDBACK_EMAIL),
+      success: () => {
+        wx.showModal({
+          title: '已复制邮箱',
+          content: '请打开邮件应用并粘贴收件人地址发送反馈。',
+          showCancel: false,
+          confirmText: '知道了',
+        })
+      },
+      fail: () => {
+        wx.showToast({
+          title: '邮箱复制失败',
+          icon: 'none',
+        })
+      },
+    })
+  },
 })
diff --git a/miniprogram/pages/index/index.wxml b/miniprogram/pages/index/index.wxml
index e040ffb..d7ff281 100644
--- a/miniprogram/pages/index/index.wxml
+++ b/miniprogram/pages/index/index.wxml
@@ -177,7 +177,8 @@
 
   <!-- 版权说明 -->
   <view class="copyright-footer">
-    @版权说明：仅SVG和PNG分享，无TTF下载，如侵权，反馈：douboer@gmail.com
+    <text>@版权说明：仅SVG和PNG分享，无TTF下载，如侵权，反馈：</text>
+    <text class="copyright-email-link" bindtap="onTapFeedbackEmail">{{feedbackEmail}}</text>
   </view>
 
   <!-- 颜色选择器弹窗 -->
diff --git a/miniprogram/pages/index/index.wxss b/miniprogram/pages/index/index.wxss
index f0f7acb..c30f40a 100644
--- a/miniprogram/pages/index/index.wxss
+++ b/miniprogram/pages/index/index.wxss
@@ -233,7 +233,7 @@
 .preview-content {
   background: transparent;
   padding: 4rpx 0;
-  min-height: 80rpx;
+  min-height: 40rpx;
   display: flex;
   align-items: center;
   justify-content: flex-start;
@@ -284,6 +284,11 @@
   padding: 8rpx 8rpx;
   overflow: hidden;
   min-width: 0;
+  box-sizing: border-box;
+}
+
+.favorite-selection {
+  border-left: 2rpx solid #3EE4C3;
 }
 
 /* 搜索相关样式 */
diff --git a/miniprogram/utils/mp/font-loader.js b/miniprogram/utils/mp/font-loader.js
index 4fcdffa..9233346 100644
--- a/miniprogram/utils/mp/font-loader.js
+++ b/miniprogram/utils/mp/font-loader.js
@@ -1,6 +1,7 @@
 const { request, downloadFile, readFile } = require('./wx-promisify')
 
 const localFonts = require('../../assets/fonts')
+const localDefaultConfig = require('../../assets/default')
 
 const fontBufferCache = new Map()
 const MAX_FONT_CACHE = 4
@@ -44,6 +45,70 @@ function normalizeManifest(fonts, baseUrl) {
     .filter((item) => item.url)
 }
 
+function normalizeDefaultConfig(config) {
+  const payload = config && typeof config === 'object' ? config : {}
+  const selectedRaw = Array.isArray(payload.selectedFontIds)
+    ? payload.selectedFontIds
+    : (Array.isArray(payload.selectedFonts) ? payload.selectedFonts : [])
+  const favoriteRaw = Array.isArray(payload.favoriteFontIds)
+    ? payload.favoriteFontIds
+    : (Array.isArray(payload.favoriteFonts) ? payload.favoriteFonts : [])
+
+  const selectedFontIds = Array.from(
+    new Set(
+      selectedRaw
+        .map((item) => String(item || '').trim())
+        .filter(Boolean),
+    ),
+  )
+  const favoriteFontIds = Array.from(
+    new Set(
+      favoriteRaw
+        .map((item) => String(item || '').trim())
+        .filter(Boolean),
+    ),
+  )
+
+  const result = {
+    selectedFontIds,
+    favoriteFontIds,
+  }
+
+  if (typeof payload.inputText === 'string') {
+    result.inputText = payload.inputText
+  }
+  if (typeof payload.textColor === 'string') {
+    result.textColor = payload.textColor
+  }
+  if (payload.fontSize !== undefined && payload.fontSize !== null && payload.fontSize !== '') {
+    const fontSize = Number(payload.fontSize)
+    if (Number.isFinite(fontSize)) {
+      result.fontSize = fontSize
+    }
+  }
+  if (payload.letterSpacing !== undefined && payload.letterSpacing !== null && payload.letterSpacing !== '') {
+    const letterSpacing = Number(payload.letterSpacing)
+    if (Number.isFinite(letterSpacing)) {
+      result.letterSpacing = letterSpacing
+    }
+  }
+
+  return result
+}
+
+function buildDefaultConfigUrl(manifestUrl, baseUrl) {
+  const manifest = String(manifestUrl || '').trim()
+  if (manifest) {
+    const withoutHash = manifest.split('#')[0]
+    const [pathPart] = withoutHash.split('?')
+    const slashIndex = pathPart.lastIndexOf('/')
+    if (slashIndex >= 0) {
+      return `${pathPart.slice(0, slashIndex + 1)}default.json`
+    }
+  }
+  return normalizePath('/miniprogram/assets/default.json', baseUrl)
+}
+
 async function loadFontsManifest(options = {}) {
   const app = getApp()
   const manifestUrl = options.manifestUrl || app.globalData.fontsManifestUrl
@@ -79,6 +144,40 @@ async function loadFontsManifest(options = {}) {
   }
 }
 
+async function loadDefaultConfig(options = {}) {
+  const app = getApp()
+  const manifestUrl = options.manifestUrl || app.globalData.fontsManifestUrl
+  const baseUrl = options.baseUrl || app.globalData.fontsBaseUrl
+  const defaultConfigUrl = options.defaultConfigUrl ||
+    app.globalData.defaultConfigUrl ||
+    buildDefaultConfigUrl(manifestUrl, baseUrl)
+
+  if (app.globalData.defaultConfig && typeof app.globalData.defaultConfig === 'object') {
+    return app.globalData.defaultConfig
+  }
+
+  try {
+    const response = await request({
+      url: defaultConfigUrl,
+      method: 'GET',
+      timeout: 10000,
+    })
+
+    if (response.statusCode < 200 || response.statusCode >= 300) {
+      throw new Error(`获取默认配置失败，状态码: ${response.statusCode}`)
+    }
+
+    const remoteConfig = normalizeDefaultConfig(response.data)
+    app.globalData.defaultConfig = remoteConfig
+    return remoteConfig
+  } catch (error) {
+    console.warn('远程 default.json 加载失败，回退到本地默认配置:', error)
+    const fallbackConfig = normalizeDefaultConfig(localDefaultConfig)
+    app.globalData.defaultConfig = fallbackConfig
+    return fallbackConfig
+  }
+}
+
 function setLruCache(key, value) {
   if (fontBufferCache.has(key)) {
     fontBufferCache.delete(key)
@@ -125,6 +224,7 @@ function listCategories(fonts) {
 
 module.exports = {
   loadFontsManifest,
+  loadDefaultConfig,
   loadFontBuffer,
   listCategories,
 }
diff --git a/miniprogram/utils/mp/render-api.js b/miniprogram/utils/mp/render-api.js
index f3cc0c0..6ee881f 100644
--- a/miniprogram/utils/mp/render-api.js
+++ b/miniprogram/utils/mp/render-api.js
@@ -86,9 +86,12 @@ async function renderPngByApi(payload) {
     ? Number(app.globalData.apiTimeoutMs)
     : 30000
   const baseApiUrl = buildApiUrl()
-  const apiUrl = /\/api\/render-svg$/.test(baseApiUrl)
-    ? baseApiUrl.replace(/\/api\/render-svg$/, '/api/render-png')
-    : `${baseApiUrl.replace(/\/$/, '')}/render-png`
+  const configuredPngApiUrl = app && app.globalData ? app.globalData.pngRenderApiUrl : ''
+  const apiUrl = configuredPngApiUrl || (
+    /\/api\/render-svg$/.test(baseApiUrl)
+      ? baseApiUrl.replace(/\/api\/render-svg$/, '/api/render-png')
+      : `${baseApiUrl.replace(/\/$/, '')}/render-png`
+  )
 
   const response = await request({
     url: apiUrl,
diff --git a/scripts/check-miniprogram-core-test.js b/scripts/check-miniprogram-core-test.js
index 65e6200..0d0a58a 100755
--- a/scripts/check-miniprogram-core-test.js
+++ b/scripts/check-miniprogram-core-test.js
@@ -36,7 +36,14 @@ function run() {
   const wrapped = wrapTextByChars('123456', 2)
   assert(wrapped === '12\n34\n56', 'wrapTextByChars 结果不符合预期')
 
-  const fontFile = findFirstFontFile(path.join(__dirname, '..', 'frontend', 'public', 'fonts'))
+  const fontRootCandidates = [
+    path.join(__dirname, '..', 'fonts'),
+    path.join(__dirname, '..', 'frontend', 'public', 'fonts'),
+  ]
+  const fontRoot = fontRootCandidates.find((dir) => fs.existsSync(dir))
+  assert(fontRoot, '未找到字体目录（fonts 或 frontend/public/fonts）')
+
+  const fontFile = findFirstFontFile(fontRoot)
   assert(fontFile, '未找到可用字体文件')
 
   const buffer = fs.readFileSync(fontFile)
diff --git a/scripts/deploy-fonts.sh b/scripts/deploy-fonts.sh
index fef35a7..098d090 100755
--- a/scripts/deploy-fonts.sh
+++ b/scripts/deploy-fonts.sh
@@ -8,8 +8,12 @@ set -e  # 遇到错误立即退出
 # ===== 配置区域 =====
 SERVER="user@fonts.biboer.cn"  # 请替换为你的 SSH 用户名
 REMOTE_DIR="/home/gavin/font2svg"
-LOCAL_FONTS_DIR="frontend/public/fonts"
-LOCAL_FONTS_JSON="frontend/public/fonts.json"
+REMOTE_MP_ASSETS_DIR="$REMOTE_DIR/miniprogram/assets"
+LOCAL_FONTS_DIR="fonts"
+LOCAL_WEB_FONTS_JSON="frontend/public/fonts.json"
+LOCAL_WEB_DEFAULT_JSON="frontend/public/default.json"
+LOCAL_MP_FONTS_JSON="miniprogram/assets/fonts.json"
+LOCAL_MP_DEFAULT_JSON="miniprogram/assets/default.json"
 
 # 颜色输出
 RED='\033[0;31m'
@@ -38,8 +42,13 @@ check_files() {
         exit 1
     fi
     
-    if [ ! -f "$LOCAL_FONTS_JSON" ]; then
-        log_error "fonts.json 文件不存在: $LOCAL_FONTS_JSON"
+    if [ ! -f "$LOCAL_WEB_FONTS_JSON" ]; then
+        log_error "Web fonts.json 文件不存在: $LOCAL_WEB_FONTS_JSON"
+        exit 1
+    fi
+
+    if [ ! -f "$LOCAL_MP_FONTS_JSON" ]; then
+        log_error "小程序 fonts.json 文件不存在: $LOCAL_MP_FONTS_JSON"
         exit 1
     fi
     
@@ -49,7 +58,7 @@ check_files() {
 
 create_remote_dirs() {
     log_info "创建远程目录..."
-    ssh $SERVER "mkdir -p $REMOTE_DIR/fonts"
+    ssh $SERVER "mkdir -p $REMOTE_DIR/fonts $REMOTE_MP_ASSETS_DIR"
 }
 
 upload_fonts() {
@@ -65,34 +74,55 @@ upload_fonts() {
     log_info "字体文件上传完成"
 }
 
-upload_fonts_json() {
-    log_info "上传 fonts.json..."
-    scp "$LOCAL_FONTS_JSON" "$SERVER:$REMOTE_DIR/"
-    log_info "fonts.json 上传完成"
+upload_web_config() {
+    log_info "上传 Web 配置..."
+    scp "$LOCAL_WEB_FONTS_JSON" "$SERVER:$REMOTE_DIR/fonts.json"
+    if [ -f "$LOCAL_WEB_DEFAULT_JSON" ]; then
+        scp "$LOCAL_WEB_DEFAULT_JSON" "$SERVER:$REMOTE_DIR/default.json"
+    fi
+    log_info "Web 配置上传完成"
+}
+
+upload_miniprogram_config() {
+    log_info "上传小程序配置..."
+    scp "$LOCAL_MP_FONTS_JSON" "$SERVER:$REMOTE_MP_ASSETS_DIR/fonts.json"
+    if [ -f "$LOCAL_MP_DEFAULT_JSON" ]; then
+        scp "$LOCAL_MP_DEFAULT_JSON" "$SERVER:$REMOTE_MP_ASSETS_DIR/default.json"
+    else
+        log_warn "未找到小程序 default.json，已跳过: $LOCAL_MP_DEFAULT_JSON"
+    fi
+    log_info "小程序配置上传完成"
 }
 
 set_permissions() {
     log_info "设置文件权限..."
-    ssh $SERVER "chmod -R 755 $REMOTE_DIR"
+    ssh $SERVER "chmod -R 755 $REMOTE_DIR/fonts $REMOTE_MP_ASSETS_DIR"
     log_info "权限设置完成"
 }
 
 verify_deployment() {
     log_info "验证部署结果..."
     
-    # 检查 fonts.json
-    HTTP_CODE=$(curl -s -o /dev/null -w "%{http_code}" "https://fonts.biboer.cn/fonts.json")
+    # 检查小程序 fonts.json
+    MP_HTTP_CODE=$(curl -s -o /dev/null -w "%{http_code}" "https://fonts.biboer.cn/miniprogram/assets/fonts.json")
     
-    if [ "$HTTP_CODE" = "200" ]; then
-        log_info "fonts.json 可访问 ✓"
+    if [ "$MP_HTTP_CODE" = "200" ]; then
+        log_info "小程序 fonts.json 可访问 ✓"
     else
-        log_error "fonts.json 访问失败 (HTTP $HTTP_CODE)"
+        log_error "小程序 fonts.json 访问失败 (HTTP $MP_HTTP_CODE)"
         log_warn "请检查 Cloudflare DNS 配置和 Nginx 配置"
         exit 1
     fi
+
+    WEB_HTTP_CODE=$(curl -s -o /dev/null -w "%{http_code}" "https://fonts.biboer.cn/fonts.json")
+    if [ "$WEB_HTTP_CODE" = "200" ]; then
+        log_info "Web fonts.json 可访问 ✓"
+    else
+        log_warn "Web fonts.json 不可访问 (HTTP $WEB_HTTP_CODE)"
+    fi
     
     # 检查 CORS 头
-    CORS_HEADER=$(curl -s -I "https://fonts.biboer.cn/fonts.json" | grep -i "access-control-allow-origin")
+    CORS_HEADER=$(curl -s -I "https://fonts.biboer.cn/miniprogram/assets/fonts.json" | grep -i "access-control-allow-origin")
     
     if [ -n "$CORS_HEADER" ]; then
         log_info "CORS 配置正确 ✓"
@@ -123,11 +153,12 @@ show_summary() {
     echo ""
     echo "2. 测试字体加载（在小程序开发者工具控制台）："
     echo "   wx.request({"
-    echo "     url: 'https://fonts.biboer.cn/fonts.json',"
+    echo "     url: 'https://fonts.biboer.cn/miniprogram/assets/fonts.json',"
     echo "     success: (res) => console.log(res.data)"
     echo "   })"
     echo ""
     echo "3. 验证 CDN 缓存状态："
+    echo "   curl -I https://fonts.biboer.cn/miniprogram/assets/fonts.json | grep cf-cache-status"
     echo "   curl -I https://fonts.biboer.cn/fonts.json | grep cf-cache-status"
     echo ""
 }
@@ -151,7 +182,8 @@ main() {
     check_files
     create_remote_dirs
     upload_fonts
-    upload_fonts_json
+    upload_web_config
+    upload_miniprogram_config
     set_permissions
     
     # 可选：重启 Nginx（需要 sudo 权限）
diff --git a/scripts/generate-font-list.py b/scripts/generate-font-list.py
index 2ca1997..c0fcd8f 100644
--- a/scripts/generate-font-list.py
+++ b/scripts/generate-font-list.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 """
 生成字体清单文件
-扫描 frontend/public/fonts/ 目录下的所有字体文件，同时生成：
+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
@@ -11,7 +11,7 @@ import os
 import json
 from pathlib import Path
 
-def scan_fonts(font_dir='frontend/public/fonts'):
+def scan_fonts(font_dir='fonts'):
     """扫描字体目录，返回字体信息列表"""
     fonts = []
     font_dir_path = Path(font_dir)
@@ -34,19 +34,43 @@ def scan_fonts(font_dir='frontend/public/fonts'):
 
         relative_path = font_file.relative_to(font_dir_path).as_posix()
 
-        # 生成字体信息
+        # 先生成基础信息，id 在后续统一按序号回填
         font_info = {
-            'id': f"{category_name}/{font_file.stem}",
+            'id': '',
             'name': font_file.stem,
             'filename': font_file.name,
             'category': category_name,
-            'path': f"/fonts/{relative_path}",
+            'relativePath': relative_path,
         }
 
         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}"
+
     return fonts
 
+
+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('/')}"
+    if prefix == '/':
+        prefix = ''
+
+    manifest = []
+    for font in fonts:
+        manifest.append({
+            'id': font['id'],
+            'name': font['name'],
+            'filename': font['filename'],
+            'category': font['category'],
+            'path': f"{prefix}/{font['relativePath']}",
+        })
+
+    return manifest
+
 def write_fonts_json(fonts, output_file):
     """写入字体清单 JSON 文件"""
     os.makedirs(os.path.dirname(output_file), exist_ok=True)
@@ -66,15 +90,19 @@ def write_fonts_js(fonts, output_file):
 
 def main():
     """主函数"""
-    # 扫描字体（唯一来源：frontend/public/fonts）
-    fonts = scan_fonts('frontend/public/fonts')
+    # 扫描字体（唯一来源：仓库根目录 fonts/）
+    fonts = scan_fonts('fonts')
     
     print(f"找到 {len(fonts)} 个字体文件")
     
-    # 同步写入 Web 与小程序清单
-    write_fonts_json(fonts, 'frontend/public/fonts.json')
-    write_fonts_json(fonts, 'miniprogram/assets/fonts.json')
-    write_fonts_js(fonts, 'miniprogram/assets/fonts.js')
+    # 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')
+
+    # 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')
     
     # 统计信息
     categories = {}
diff --git a/scripts/generate-fonts-json.py b/scripts/generate-fonts-json.py
index 854eb04..ac315cb 100755
--- a/scripts/generate-fonts-json.py
+++ b/scripts/generate-fonts-json.py
@@ -3,7 +3,7 @@
 
 """
 Font2SVG - fonts.json 生成脚本
-扫描 frontend/public/fonts/ 目录，生成小程序所需的 fonts.json
+扫描 fonts/ 目录，生成字体清单
 URL 格式：https://fonts.biboer.cn/fonts/{category}/{fontname}.ttf
 """
 
@@ -14,7 +14,7 @@ from urllib.parse import quote
 
 # 配置
 BASE_URL = "https://fonts.biboer.cn/fonts"
-FONTS_DIR = Path(__file__).parent.parent / "frontend" / "public" / "fonts"
+FONTS_DIR = Path(__file__).parent.parent / "fonts"
 OUTPUT_FILE = Path(__file__).parent.parent / "frontend" / "public" / "fonts.json"
 
 def scan_fonts(fonts_dir: Path) -> list:
@@ -51,9 +51,9 @@ def scan_fonts(fonts_dir: Path) -> list:
             encoded_filename = quote(font_file.name)
             url = f"{BASE_URL}/{encoded_category}/{encoded_filename}"
             
-            # 创建字体信息对象
+            # 创建字体信息对象（id 在后续统一按序号回填）
             font_info = {
-                "id": f"{category}/{font_name}",
+                "id": "",
                 "name": font_name,
                 "category": category,
                 "path": url,
@@ -71,7 +71,10 @@ def sort_fonts(fonts: list) -> list:
     1. 按分类排序
     2. 同分类内按名称排序
     """
-    return sorted(fonts, key=lambda x: (x["category"], x["name"]))
+    sorted_fonts = sorted(fonts, key=lambda x: (x["category"], x["name"]))
+    for index, font in enumerate(sorted_fonts, start=1):
+        font["id"] = f"{index:04d}"
+    return sorted_fonts
 
 def save_fonts_json(fonts: list, output_file: Path):
     """