feat(local): 添加本地视频处理功能

- 实现本地视频上传和处理功能
- 新增 LocalDownloader 类处理本地视频
- 更新前端界面支持本地视频选择
- 添加视频封面提取和保存功能
- 优化后端路由支持本地视频上传

.gitignore

@@ -316,4 +316,7 @@ cython_debug/
 /backend/note_results
 /backend/models
 /backend/.idea/*
-/backend/bili_note.db
+/backend/bili_note.db
+/backend/uploads/*
+/backend/.idea/*
+/BiliNote_frontend/.idea/*

BillNote_frontend/src/pages/HomePage/components/NoteForm.tsx

@@ -35,20 +35,48 @@ import { useModelStore } from '@/store/modelStore'
 import { Alert } from 'antd'
 import { Textarea } from '@/components/ui/textarea.tsx'
 import { ScrollArea } from '@/components/ui/scroll-area.tsx'
+import { uploadFile } from '@/services/upload.ts'
 // ✅ 定义表单 schema
-const formSchema = z.object({
-  video_url: z.string().url('请输入正确的视频链接'),
-  platform: z.string().nonempty('请选择平台'),
-  quality: z.enum(['fast', 'medium', 'slow'], {
-    required_error: '请选择音频质量',
-  }),
-  screenshot: z.boolean().optional(),
-  link: z.boolean().optional(),
-  model_name: z.string().nonempty('请选择模型'),
-  format: z.array(z.string()).default([]), // ✨ 确保默认是空数组
-  style: z.string().nonempty('请选择笔记生成风格'),
-  extras: z.string().optional(),
-})
+const formSchema = z
+  .object({
+    video_url: z.string(),
+    platform: z.string().nonempty('请选择平台'),
+    quality: z.enum(['fast', 'medium', 'slow'], {
+      required_error: '请选择音频质量',
+    }),
+    screenshot: z.boolean().optional(),
+    link: z.boolean().optional(),
+    model_name: z.string().nonempty('请选择模型'),
+    format: z.array(z.string()).default([]),
+    style: z.string().nonempty('请选择笔记生成风格'),
+    extras: z.string().optional(),
+  })
+  .superRefine((data, ctx) => {
+    const { video_url, platform } = data
+
+    if (platform === 'local') {
+      if (!video_url || typeof video_url !== 'string') {
+        ctx.addIssue({
+          code: z.ZodIssueCode.custom,
+          message: '本地视频路径不能为空',
+          path: ['video_url'],
+        })
+      }
+    } else {
+      try {
+        const url = new URL(video_url)
+        if (!(url.protocol === 'http:' || url.protocol === 'https:')) {
+          throw new Error()
+        }
+      } catch {
+        ctx.addIssue({
+          code: z.ZodIssueCode.custom,
+          message: '请输入正确的视频链接',
+          path: ['video_url'],
+        })
+      }
+    }
+  })
 
 type NoteFormValues = z.infer<typeof formSchema>
 const noteFormats = [
@@ -121,6 +149,7 @@ const NoteForm = () => {
       extras: '', // 初始化为空字符串
     },
   })
+  const platform = form.watch('platform')
 
   const onClose = () => {
     setShowFeatureHint(false)
@@ -129,7 +158,25 @@ const NoteForm = () => {
     console.log('🚀 isGenerating', getCurrentTask()?.status)
     return getCurrentTask()?.status === 'PENDING'
   }
+  const handleFileUpload = async (file: File, onSuccess: (url: string) => void) => {
+    if (!file) return
+    const formData = new FormData()
+    formData.append('file', file)
 
+    try {
+      const res = await uploadFile(formData)
+      if (res.data.code === 0) {
+        const uploadedUrl = res.data.data.url
+        console.log('✅ 上传成功', uploadedUrl)
+
+        onSuccess(uploadedUrl)
+      }
+    } catch (error) {
+      console.error('上传失败', error)
+      // 可以弹个 toast 或者提示上传失败
+    }
+  }
+  // TODO 修复选择其他视频平台以后再选择本地视频还可以选择 Link 的问题
   const onSubmit = async (data: NoteFormValues) => {
     console.log('🎯 提交内容：', data)
     const payload = {
@@ -151,13 +198,16 @@ const NoteForm = () => {
   }, [])
 
   return (
-    <div className="flex h-full w-full flex-col overflow-hidden p-4">
-
+    <>
       <ScrollArea className="sm:h-[400px] md:h-[800px]">
         <Form {...form}>
           <form onSubmit={form.handleSubmit(onSubmit)} className="space-y-2">
             <div className="flex w-full items-center gap-2 py-1.5">
-              <Button type="submit" className="bg-primary w-full sm:w-full" disabled={isGenerating()}>
+              <Button
+                type="submit"
+                className="bg-primary w-full sm:w-full"
+                disabled={isGenerating()}
+              >
                 {isGenerating() && <Loader2 className="mr-2 h-4 w-4 animate-spin" />}
                 {isGenerating() ? '正在生成…' : '生成笔记'}
               </Button>
@@ -193,7 +243,7 @@ const NoteForm = () => {
                         <SelectContent>
                           <SelectItem value="bilibili">哔哩哔哩</SelectItem>
                           <SelectItem value="youtube">Youtube</SelectItem>
-                          {/*<SelectItem value="local">本地视频</SelectItem>*/}
+                          <SelectItem value="local">本地视频</SelectItem>
                         </SelectContent>
                       </Select>
                       <FormMessage />
@@ -208,13 +258,72 @@ const NoteForm = () => {
                   render={({ field }) => (
                     <FormItem className="flex-1">
                       <FormControl>
-                        <Input placeholder="视频链接" {...field} />
+                        {form.watch('platform') === 'local' ? (
+                          <div className="flex flex-col gap-2">
+                            {/* 第一行：本地路径输入框 */}
+                            <Input placeholder="请输入本地视频路径" {...field} className="w-full" />
+                          </div>
+                        ) : (
+                          <Input placeholder="请输入视频网站链接" {...field} />
+                        )}
                       </FormControl>
                       <FormMessage />
                     </FormItem>
                   )}
                 />
               </div>
+
+              <FormField
+                control={form.control}
+                name="video_url"
+                render={({ field }) => (
+                  <FormItem className="w-full">
+                    <FormControl>
+                      {form.watch('platform') === 'local' ? (
+                        <div
+                          className="hover:border-primary flex h-40 w-full cursor-pointer items-center justify-center rounded-md border-2 border-dashed border-gray-300 transition-colors"
+                          onDragOver={e => {
+                            e.preventDefault()
+                            e.stopPropagation()
+                          }}
+                          onDrop={e => {
+                            e.preventDefault()
+                            e.stopPropagation()
+                            const file = e.dataTransfer.files?.[0]
+                            if (file) {
+                              handleFileUpload(file, uploadedUrl => {
+                                field.onChange(uploadedUrl)
+                              })
+                            }
+                          }}
+                          onClick={() => {
+                            const input = document.createElement('input')
+                            input.type = 'file'
+                            input.accept = 'video/*'
+                            input.onchange = (e: any) => {
+                              const file = e.target.files?.[0]
+                              if (file) {
+                                handleFileUpload(file, uploadedUrl => {
+                                  field.onChange(uploadedUrl)
+                                })
+                              }
+                            }
+                            input.click()
+                          }}
+                        >
+                          <div className="text-center text-sm text-gray-500">
+                            <p className="mb-2">拖拽文件到这里上传</p>
+                            <p className="text-xs text-gray-400">或点击选择文件</p>
+                          </div>
+                        </div>
+                      ) : (
+                        <></>
+                      )}
+                    </FormControl>
+                    {/* ❗可以不要FormMessage，不然重复两次报错提示 */}
+                  </FormItem>
+                )}
+              />
               {/*<p className="text-xs text-neutral-500">*/}
               {/*    支持哔哩哔哩视频链接，例如：*/}
               {/*    https://www.bilibili.com/video/BV1vc25YQE9X/*/}
@@ -366,6 +475,7 @@ const NoteForm = () => {
                         <label key={item.value} className="flex items-center space-x-2">
                           <Checkbox
                             checked={field.value?.includes(item.value)}
+                            disabled={item.value === 'link' && platform === 'local'}
                             onCheckedChange={checked => {
                               const currentValue = field.value ?? [] // ✨ 保底是数组
                               if (checked) {
@@ -419,7 +529,7 @@ const NoteForm = () => {
       {/* 添加一些额外的说明或功能介绍 */}
 
       {/*<div className="bg-primary-light mt-6 rounded-lg p-4"></div>*/}
-    </div>
+    </>
   )
 }
 

BillNote_frontend/src/pages/HomePage/components/NoteHistory.tsx

@@ -45,15 +45,25 @@ const NoteHistory: FC<NoteHistoryProps> = ({ onSelect, selectedId }) => {
               onClick={() => onSelect(task.id)}
             >
               {/* 封面图 */}
-              <img
-                src={
-                  task.audioMeta.cover_url
-                    ? `/api/image_proxy?url=${encodeURIComponent(task.audioMeta.cover_url)}`
-                    : '/placeholder.png'
-                }
-                alt="封面"
-                className="h-10 w-12 rounded-md object-cover"
-              />
+              {task.platform === 'local' ? (
+                <img
+                  src={
+                    task.audioMeta.cover_url ? `${task.audioMeta.cover_url}` : '/placeholder.png'
+                  }
+                  alt="封面"
+                  className="h-10 w-12 rounded-md object-cover"
+                />
+              ) : (
+                <img
+                  src={
+                    task.audioMeta.cover_url
+                      ? `/api/image_proxy?url=${encodeURIComponent(task.audioMeta.cover_url)}`
+                      : '/placeholder.png'
+                  }
+                  alt="封面"
+                  className="h-10 w-12 rounded-md object-cover"
+                />
+              )}
 
               {/* 标题 + 状态 */}
 

BillNote_frontend/src/services/upload.ts

@@ -0,0 +1,9 @@
+import request from '@/utils/request' // 你项目里封装好的axios或者fetch
+
+export const uploadFile = (formData: FormData) => {
+  return request.post('/upload', formData, {
+    headers: {
+      'Content-Type': 'multipart/form-data',
+    },
+  })
+}

README.md

@@ -44,10 +44,10 @@ BiliNote 是一个开源的 AI 视频笔记助手，支持通过哔哩哔哩、Y
 
 ## 📸 截图预览
 ![screenshot](./doc/image1.png)
-![screenshot](./doc/image2.png)
 ![screenshot](./doc/image3.png)
 ![screenshot](./doc/image.png)
 ![screenshot](./doc/image4.png)
+![screenshot](./doc/image5.png)
 
 ## 🚀 快速开始
 

backend/app/downloaders/local_downloader.py

@@ -0,0 +1,137 @@
+import os
+import subprocess
+from abc import ABC
+from typing import Optional
+
+from app.downloaders.base import Downloader
+from app.enmus.note_enums import DownloadQuality
+from app.models.audio_model import AudioDownloadResult
+import os
+import subprocess
+
+from app.utils.video_helper import save_cover_to_static
+
+
+class LocalDownloader(Downloader, ABC):
+    def __init__(self):
+
+        super().__init__()
+
+
+    def extract_cover(self, input_path: str, output_dir: Optional[str] = None) -> str:
+        """
+        从本地视频文件中提取一张封面图（默认取第一帧）
+        :param input_path: 输入视频路径
+        :param output_dir: 输出目录，默认和视频同目录
+        :return: 提取出的封面图片路径
+        """
+        if not os.path.exists(input_path):
+            raise FileNotFoundError(f"输入文件不存在: {input_path}")
+
+        if output_dir is None:
+            output_dir = os.path.dirname(input_path)
+
+        base_name = os.path.splitext(os.path.basename(input_path))[0]
+        output_path = os.path.join(output_dir, f"{base_name}_cover.jpg")
+
+        try:
+            command = [
+                'ffmpeg',
+                '-i', input_path,
+                '-ss', '00:00:01',  # 跳到视频第1秒，防止黑屏
+                '-vframes', '1',  # 只截取一帧
+                '-q:v', '2',  # 输出质量高一点（qscale，2是很高）
+                '-y',  # 覆盖
+                output_path
+            ]
+            subprocess.run(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE, check=True)
+
+            if not os.path.exists(output_path):
+                raise RuntimeError(f"封面图片生成失败: {output_path}")
+
+            return output_path
+        except subprocess.CalledProcessError as e:
+            raise RuntimeError(f"提取封面失败: {output_path}") from e
+
+    def convert_to_mp3(self,input_path: str, output_path: str = None) -> str:
+        """
+        将本地视频文件转为 MP3 音频文件
+        :param input_path: 输入文件路径（如 .mp4）
+        :param output_path: 输出文件路径（可选，默认同目录同名 .mp3）
+        :return: 生成的 mp3 文件路径
+        """
+        if not os.path.exists(input_path):
+            raise FileNotFoundError(f"输入文件不存在: {input_path}")
+
+        if output_path is None:
+            base, _ = os.path.splitext(input_path)
+            output_path = base + ".mp3"
+        try:
+        # 调用 ffmpeg 转换
+            command = [
+                'ffmpeg',
+                '-i', input_path,
+                '-vn',  # 不要视频流
+                '-acodec', 'libmp3lame',  # 使用mp3编码
+                '-y',  # 覆盖输出文件
+                output_path
+            ]
+
+            subprocess.run(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE, check=True)
+
+            if not os.path.exists(output_path):
+                raise RuntimeError(f"mp3 文件生成失败: {output_path}")
+
+            return output_path
+        except subprocess.CalledProcessError as e:
+            raise RuntimeError(f"mp3 文件生成失败: {output_path}") from e
+    def download_video(self, video_url: str, output_dir: str = None) -> str:
+        """
+        处理本地文件路径，返回视频文件路径
+        """
+        if video_url.startswith('/uploads'):
+            project_root = os.getcwd()
+            video_url = os.path.join(project_root, video_url.lstrip('/'))
+            video_url = os.path.normpath(video_url)
+
+        if not os.path.exists(video_url):
+            raise FileNotFoundError()
+        return video_url
+    def download(
+            self,
+            video_url: str,
+            output_dir: str = None,
+            quality: DownloadQuality = "fast",
+            need_video: Optional[bool] = False
+    ) -> AudioDownloadResult:
+        """
+        处理本地文件路径，返回音频元信息
+        """
+        if video_url.startswith('/uploads'):
+            project_root = os.getcwd()
+            video_url = os.path.join(project_root, video_url.lstrip('/'))
+            video_url = os.path.normpath(video_url)
+
+        if not os.path.exists(video_url):
+            raise FileNotFoundError(f"本地文件不存在: {video_url}")
+
+        file_name = os.path.basename(video_url)
+        title, _ = os.path.splitext(file_name)
+        print(title, file_name,video_url)
+        file_path=self.convert_to_mp3(video_url)
+        cover_path = self.extract_cover(video_url)
+        cover_url = save_cover_to_static(cover_path)
+
+        print('file——path',file_path)
+        return AudioDownloadResult(
+            file_path=file_path,
+            title=title,
+            duration=0,  # 可选：后续加上读取时长
+            cover_url=cover_url,  # 暂无封面
+            platform="local",
+            video_id=title,
+            raw_info={
+                'path':  file_path
+            },
+            video_path=None
+        )

backend/app/gpt/prompt.py

@@ -27,10 +27,10 @@ BASE_PROMPT = '''
 根据上面的分段转录内容，生成结构化的笔记，遵循以下原则：
 
 1. **完整信息**：记录尽可能多的相关细节，确保内容全面。
-2. **清晰结构**：用合适的标题级别（`##`，`###`）整理内容，概述每个部分的要点。
+2. **清晰结构**：用合适的标题级别（`##`，`###`）整理内容，概述每个部分的要点。(如果额外重要的任务有格式需求可以不遵守)
 3. **去除无关内容**：省略广告、填充词、问候语和不相关的言论。
-4. **保留关键细节**：保留重要事实、示例、结论和建议。
-5. **可读布局**：必要时使用项目符号，并保持段落简短，增强可读性。
+4. **保留关键细节**：保留重要事实、示例、结论和建议。(如果额外重要的任务有格式需求可以不遵守)
+5. **可读布局**：必要时使用项目符号，并保持段落简短，增强可读性。(如果额外重要的任务有格式需求可以不遵守)
 
 额外重要的任务如下(每一个都必须严格完成):
 

backend/app/gpt/prompt_builder.py

@@ -61,8 +61,24 @@ def get_style_format(style):
         'minimal': '1. **精简信息**: 仅记录最重要的内容，简洁明了。',
         'detailed': '2. **详细记录**: 包含完整的时间戳和每个部分的详细讨论。',
         'academic': '3. **学术风格**: 适合学术报告，正式且结构化。',
+        'xiaohongshu': '''4. **小红书风格**: 
+### 擅长使用下面的爆款关键词：
+好用到哭，大数据，教科书般，小白必看，宝藏，绝绝子神器，都给我冲,划重点，笑不活了，YYDS，秘方，我不允许，压箱底，建议收藏，停止摆烂，上天在提醒你，挑战全网，手把手，揭秘，普通女生，沉浸式，有手就能做吹爆，好用哭了，搞钱必看，狠狠搞钱，打工人，吐血整理，家人们，隐藏，高级感，治愈，破防了，万万没想到，爆款，永远可以相信被夸爆手残党必备，正确姿势
+
+### 采用二极管标题法创作标题：
+- 正面刺激法:产品或方法+只需1秒 (短期)+便可开挂（逆天效果）
+- 负面刺激法:你不XXX+绝对会后悔 (天大损失) +(紧迫感)
+利用人们厌恶损失和负面偏误的心理
+
+### 写作技巧
+1. 使用惊叹号、省略号等标点符号增强表达力，营造紧迫感和惊喜感。
+2. **使用emoji表情符号，来增加文字的活力**
+3. 采用具有挑战性和悬念的表述，引发读、“无敌者好奇心，例如“暴涨词汇量”了”、“拒绝焦虑”等
+4. 利用正面刺激和负面激，诱发读者的本能需求和动物基本驱动力，如“离离原上谱”、“你不知道的项目其实很赚”等
+5. 融入热点话题和实用工具，提高文章的实用性和时效性，如“2023年必知”、“chatGPT狂飙进行时”等
+6. 描述具体的成果和效果，强调标题中的关键词，使其更具吸引力，例如“英语底子再差，搞清这些语法你也能拿130+”
+7. 使用吸引人的标题：''',
 
-        'xiaohongshu': '4. **小红书风格**: 适合社交平台分享，亲切、口语化。',
         'life_journal': '5. **生活向**: 记录个人生活感悟，情感化表达。',
         'task_oriented': '6. **任务导向**: 强调任务、目标，适合工作和待办事项。',
         'business': '7. **商业风格**: 适合商业报告、会议纪要，正式且精准。',

backend/app/routers/note.py

@@ -3,8 +3,9 @@ import json
 import os
 import uuid
 from typing import Optional
+from urllib.parse import urlparse
 
-from fastapi import APIRouter, HTTPException, BackgroundTasks
+from fastapi import APIRouter, HTTPException, BackgroundTasks, UploadFile, File
 from pydantic import BaseModel, validator
 from dataclasses import asdict
 
@@ -46,14 +47,21 @@ class VideoRequest(BaseModel):
     @validator("video_url")
     def validate_supported_url(cls, v):
         url = str(v)
-        # 支持平台校验
-        if not is_supported_video_url(url):
-            raise ValueError("暂不支持该视频平台或链接格式无效")
+        parsed = urlparse(url)
+        if parsed.scheme in ("http", "https"):
+            # 是网络链接，继续用原有平台校验
+            if not is_supported_video_url(url):
+                raise ValueError("暂不支持该视频平台或链接格式无效")
+        else:
+            # 是本地路径，检测一下文件是否存在
+
+            if not url.startswith('/uploads') and not os.path.exists(url):
+                raise ValueError("本地文件路径不存在")
         return v
 
 
 NOTE_OUTPUT_DIR = "note_results"
-
+UPLOAD_DIR = "uploads"
 
 def save_note_to_file(task_id: str, note):
     os.makedirs(NOTE_OUTPUT_DIR, exist_ok=True)
@@ -97,6 +105,19 @@ def delete_task(data:RecordRequest):
         return R.error(msg=e)
 
 
+
+
+@router.post("/upload")
+async def upload(file: UploadFile = File(...)):
+    os.makedirs(UPLOAD_DIR, exist_ok=True)
+    file_location = os.path.join(UPLOAD_DIR, file.filename)
+
+    with open(file_location, "wb+") as f:
+        f.write(await file.read())
+
+    # 假设你静态目录挂载了 /uploads
+    return R.success({"url": f"/uploads/{file.filename}"})
+
 @router.post("/generate_note")
 def generate_note(data: VideoRequest, background_tasks: BackgroundTasks):
     try:

backend/app/services/constant.py

@@ -0,0 +1,12 @@
+from app.downloaders.bilibili_downloader import BilibiliDownloader
+from app.downloaders.douyin_downloader import DouyinDownloader
+from app.downloaders.local_downloader import LocalDownloader
+from app.downloaders.youtube_downloader import YoutubeDownloader
+
+SUPPORT_PLATFORM_MAP = {
+    'youtube':YoutubeDownloader(),
+    'bilibili':BilibiliDownloader(),
+    'tiktok':DouyinDownloader(),
+    'douyin':DouyinDownloader(),
+    'local':LocalDownloader()
+}

backend/app/services/note.py

@@ -1,6 +1,7 @@
 import json
 from dataclasses import asdict
 
+from app.downloaders.local_downloader import LocalDownloader
 from app.enmus.task_status_enums import TaskStatus
 import os
 from typing import Union, Optional
@@ -23,6 +24,7 @@ from app.models.notes_model import NoteResult
 from app.models.notes_model import AudioDownloadResult
 from app.enmus.note_enums import DownloadQuality
 from app.models.transcriber_model import TranscriptResult, TranscriptSegment
+from app.services.constant import SUPPORT_PLATFORM_MAP
 
 from app.services.provider import ProviderService
 from app.transcriber.base import Transcriber
@@ -92,15 +94,10 @@ class NoteGenerator:
         return gpt
 
     def get_downloader(self, platform: str) -> Downloader:
-        if platform == "bilibili":
-            logger.info("下载 Bilibili 平台视频")
-            return BilibiliDownloader()
-        elif platform == "youtube":
-            logger.info("下载 YouTube 平台视频")
-            return YoutubeDownloader()
-        elif platform == 'douyin':
-            logger.info("下载 Douyin 平台视频")
-            return DouyinDownloader()
+        downloader =SUPPORT_PLATFORM_MAP[platform]
+        if downloader:
+            logger.info(f"使用{downloader}下载器")
+            return downloader
         else:
             logger.warning("不支持的平台")
             raise ValueError(f"不支持的平台：{platform}")
@@ -217,6 +214,7 @@ class NoteGenerator:
                         need_video=screenshot
                     )
                     _path=audio.raw_info.get('path')
+                    print('_path',_path)
                     with open(audio_cache_path, "w", encoding="utf-8") as f:
                         json.dump(asdict(audio), f, ensure_ascii=False, indent=2)
                     logger.info(f"音频下载并缓存成功，task_id={task_id}")
@@ -301,9 +299,10 @@ class NoteGenerator:
             # -------- 6. 完成 --------
             self.update_task_status(task_id, TaskStatus.SUCCESS)
             logger.info(f"✅ 笔记生成成功，task_id={task_id}")
-            transcription_finished.send({
-                "file_path": audio.file_path,
-            })
+            if  platform != 'local':
+                transcription_finished.send({
+                    "file_path": audio.file_path,
+                })
             return NoteResult(
                 markdown=markdown,
                 transcript=transcript,

backend/app/utils/video_helper.py

@@ -1,8 +1,15 @@
+import shutil
+from dotenv import load_dotenv
 import subprocess
 import os
 import uuid
+load_dotenv()
+api_path = os.getenv("API_BASE_URL", "http://localhost")
+BACKEND_PORT= os.getenv("BACKEND_PORT", 8000)
 
+BACKEND_BASE_URL = f"{api_path}:{BACKEND_PORT}"
 
+from typing import Optional
 def generate_screenshot(video_path: str, output_dir: str, timestamp: int, index: int) -> str:
     """
     使用 ffmpeg 生成截图，返回生成图片路径
@@ -24,3 +31,30 @@ def generate_screenshot(video_path: str, output_dir: str, timestamp: int, index:
     subprocess.run(command, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
     return output_path
 
+
+
+def save_cover_to_static(local_cover_path: str, subfolder: Optional[str] = "cover") -> str:
+    """
+    将封面图片保存到 static 目录下，并返回前端可访问的路径
+    :param local_cover_path: 本地原封面路径（比如提取出来的jpg）
+    :param subfolder: 子目录，默认是 cover，可以自定义
+    :return: 前端访问路径，例如 /static/cover/xxx.jpg
+    """
+    # 项目根目录
+    project_root = os.getcwd()
+
+    # static目录
+    static_dir = os.path.join(project_root, "static")
+
+    # 确定目标子目录
+    target_dir = os.path.join(static_dir, subfolder or "cover")
+    os.makedirs(target_dir, exist_ok=True)
+
+    # 拷贝文件
+    file_name = os.path.basename(local_cover_path)
+    target_path = os.path.join(target_dir, file_name)
+    shutil.copy2(local_cover_path, target_path)  # 保留原时间戳、权限
+    image_relative_path = f"/static/{subfolder}/{file_name}".replace("\\", "/")
+    url_path = f"{BACKEND_BASE_URL.rstrip('/')}/{image_relative_path.lstrip('/')}"
+    # 返回前端可访问的路径
+    return url_path

backend/main.py

@@ -22,15 +22,18 @@ out_dir = os.getenv('OUT_DIR', './static/screenshots')
 
 # 自动创建本地目录（static 和 static/screenshots）
 static_dir = "static"
+uploads_dir = "uploads"
 if not os.path.exists(static_dir):
     os.makedirs(static_dir)
+if not os.path.exists(uploads_dir):
+    os.makedirs(uploads_dir)
 
 if not os.path.exists(out_dir):
     os.makedirs(out_dir)
 
 app = create_app()
 app.mount(static_path, StaticFiles(directory=static_dir), name="static")
-
+app.mount("/uploads", StaticFiles(directory=uploads_dir), name="uploads")
 async def startup_event():
     register_handler()
 @app.on_event("startup")