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diff --git a/src/app.ts b/src/app.ts
index 280cb98..cffa3c5 100644
--- a/src/app.ts
+++ b/src/app.ts
@@ -12,6 +12,7 @@ import fs from "fs";
 import u from "@/utils";
 import jwt from "jsonwebtoken";
 import socketInit from "@/socket/index";
+import path from "path";
 
 const app = express();
 const server = http.createServer(app);
@@ -29,14 +30,28 @@ export default async function startServe(randomPort: Boolean = false) {
   app.use(express.json({ limit: "100mb" }));
   app.use(express.urlencoded({ extended: true, limit: "100mb" }));
 
-
   // oss 静态资源
-  const rootDir = u.getPath("oss");
-  if (!fs.existsSync(rootDir)) {
-    fs.mkdirSync(rootDir, { recursive: true });
+  const ossDir = u.getPath("oss");
+  if (!fs.existsSync(ossDir)) {
+    fs.mkdirSync(ossDir, { recursive: true });
   }
-  console.log("文件目录:", rootDir);
-  app.use(express.static(rootDir));
+  console.log("文件目录:", ossDir);
+  app.use("/oss", express.static(ossDir));
+  // skills 静态资源
+
+  const skillsDir = u.getPath("skills");
+  if (!fs.existsSync(skillsDir)) {
+    fs.mkdirSync(skillsDir, { recursive: true });
+  }
+  console.log("文件目录:", skillsDir);
+  // 只允许图片文件访问
+  app.use(
+    "/skills",
+    (req, res, next) => {
+      /\.(jpe?g|png|gif|webp|svg|ico|bmp)$/i.test(req.path) ? next() : res.status(403).end();
+    },
+    express.static(skillsDir),
+  );
 
   // data/web 静态网站
   const webDir = u.getPath("web");
diff --git a/src/env.ts b/src/env.ts
index e733138..d1af1b4 100644
--- a/src/env.ts
+++ b/src/env.ts
@@ -3,8 +3,8 @@ import path from "path";
 
 // 默认环境变量（当 env 文件不存在时自动创建）
 const defaultEnvValues: Record<string, string> = {
-  dev: `NODE_ENV=dev\nPORT=10588\nOSSURL=http://127.0.0.1:10588/`,
-  prod: `NODE_ENV=prod\nPORT=10588\nOSSURL=http://127.0.0.1:10588/`,
+  dev: `NODE_ENV=dev\nPORT=10588\nOSSURL=http://127.0.0.1:10588/oss/`,
+  prod: `NODE_ENV=prod\nPORT=10588\nOSSURL=http://127.0.0.1:10588/oss/`,
 };
 
 // 判断是否为打包后的 Electron 环境
diff --git a/src/lib/initDB.ts b/src/lib/initDB.ts
index aaf01c9..983add9 100644
--- a/src/lib/initDB.ts
+++ b/src/lib/initDB.ts
@@ -539,6 +539,7 @@ description: 专注于从剧本内容中提取所使用的资产（角色、场
         table.text("reason");
         table.text("prompt");
         table.integer("selectVideoId");
+        table.integer("duration");
         table.primary(["id"]);
         table.unique(["id"]);
       },
diff --git a/src/routes/assetsGenerate/batchPolishAssetsPrompt.ts b/src/routes/assetsGenerate/batchPolishAssetsPrompt.ts
index 72c9c07..79a375a 100644
--- a/src/routes/assetsGenerate/batchPolishAssetsPrompt.ts
+++ b/src/routes/assetsGenerate/batchPolishAssetsPrompt.ts
@@ -83,21 +83,47 @@ export default router.post(
         });
       });
     const result: ResultItem[] = Object.values(itemMap);
-
-    const typeConfig: Record<string, { promptKey: string; itemType: ItemType; label: string; nameLabel: string; visualManual: string }> = {
-      role: { promptKey: "role-polish", itemType: "characters", label: "角色标准四视图", nameLabel: "角色", visualManual: "art_character" },
-      scene: { promptKey: "scene-polish", itemType: "scenes", label: "场景图", nameLabel: "场景", visualManual: "art_scene" },
-      tool: { promptKey: "tool-polish", itemType: "props", label: "道具图", nameLabel: "道具", visualManual: "art_prop" },
-    };
     // 批量更新所有 item 状态为生成中
     const assetsIds = items.map((item: { assetsId: number }) => item.assetsId);
     await u.db("o_assets").whereIn("id", assetsIds).update({ promptState: "生成中" });
+    //查询所有资产，用于判断每个资产是否是衍生资产
+    const assetsDataList = await u.db("o_assets").whereIn("id", assetsIds).select("id", "assetsId");
+    if (!assetsDataList || assetsDataList.length === 0) return res.status(500).send(error("资产不存在"));
+    const assetsDataMap = new Map(assetsDataList.map((a: any) => [a.id, a]));
+
+    const getTypeConfig = (
+      isDerivative: boolean,
+    ): Record<string, { promptKey: string; itemType: ItemType; label: string; nameLabel: string; visualManual: string }> => ({
+      role: {
+        promptKey: "role-polish",
+        itemType: "characters",
+        label: "角色标准四视图",
+        nameLabel: "角色",
+        visualManual: isDerivative ? "art_character_derivative" : "art_character",
+      },
+      scene: {
+        promptKey: "scene-polish",
+        itemType: "scenes",
+        label: "场景图",
+        nameLabel: "场景",
+        visualManual: isDerivative ? "art_scene_derivative" : "art_scene",
+      },
+      tool: {
+        promptKey: "tool-polish",
+        itemType: "props",
+        label: "道具图",
+        nameLabel: "道具",
+        visualManual: isDerivative ? "art_prop_derivative" : "art_prop",
+      },
+    });
 
     // 后台异步并发生成，不阻塞响应
     const limit = pLimit(concurrentCount ?? 1);
-
     const tasks = items.map((item: { assetsId: number; type: string; name: string; describe: string }) =>
       limit(async () => {
+        const assetData = assetsDataMap.get(item.assetsId);
+        if (!assetData) return;
+        const typeConfig = getTypeConfig(!!assetData.assetsId);
         const config = typeConfig[item.type];
         if (!config) return;
         //获取到视觉手册
diff --git a/src/routes/assetsGenerate/polishAssetsPrompt.ts b/src/routes/assetsGenerate/polishAssetsPrompt.ts
index 438af1e..ee96a7d 100644
--- a/src/routes/assetsGenerate/polishAssetsPrompt.ts
+++ b/src/routes/assetsGenerate/polishAssetsPrompt.ts
@@ -76,11 +76,31 @@ export default router.post(
       });
 
     const result: ResultItem[] = Object.values(itemMap);
-
+    //查询资产是否是衍生资产
+    const assetsData = await u.db("o_assets").where("id", assetsId).select("assetsId").first();
+    if (!assetsData) return { code: 500, message: "资产不存在" };
     const typeConfig: Record<string, { promptKey: string; itemType: ItemType; label: string; nameLabel: string; visualManual: string }> = {
-      role: { promptKey: "role-polish", itemType: "characters", label: "角色标准四视图", nameLabel: "角色", visualManual: "art_character" },
-      scene: { promptKey: "scene-polish", itemType: "scenes", label: "场景图", nameLabel: "场景", visualManual: "art_scene" },
-      tool: { promptKey: "tool-polish", itemType: "props", label: "道具图", nameLabel: "道具", visualManual: "art_prop" },
+      role: {
+        promptKey: "role-polish",
+        itemType: "characters",
+        label: "角色标准四视图",
+        nameLabel: "角色",
+        visualManual: assetsData.assetsId ? "art_character_derivative" : "art_character",
+      },
+      scene: {
+        promptKey: "scene-polish",
+        itemType: "scenes",
+        label: "场景图",
+        nameLabel: "场景",
+        visualManual: assetsData.assetsId ? "art_scene_derivative" : "art_scene",
+      },
+      tool: {
+        promptKey: "tool-polish",
+        itemType: "props",
+        label: "道具图",
+        nameLabel: "道具",
+        visualManual: assetsData.assetsId ? "art_prop_derivative" : "art_prop",
+      },
     };
 
     const config = typeConfig[type];
diff --git a/src/routes/production/workbench/getGenerateData.ts b/src/routes/production/workbench/getGenerateData.ts
index b69f2d2..0a18465 100644
--- a/src/routes/production/workbench/getGenerateData.ts
+++ b/src/routes/production/workbench/getGenerateData.ts
@@ -23,6 +23,7 @@ interface TrackItem {
   prompt: string;
   state: "未生成" | "生成中" | "已完成" | "生成失败";
   reason?: string;
+  duration?: number;
   selectVideoId?: number;
   medias: TrackMedia[];
   videoList: VideoItem[];
@@ -53,6 +54,7 @@ export default router.post(
       const item = trackData.find((t) => t.id === trackId);
       trackList.push({
         id: trackId,
+        duration: item?.duration ?? 0,
         prompt: item?.prompt || "",
         state: (item?.state as "未生成" | "生成中" | "已完成" | "生成失败") ?? "未生成",
         reason: item?.reason ?? "",
diff --git a/src/routes/project/addVisualManual.ts b/src/routes/project/addVisualManual.ts
index 434ed67..e8550fd 100644
--- a/src/routes/project/addVisualManual.ts
+++ b/src/routes/project/addVisualManual.ts
@@ -76,11 +76,11 @@ export default router.post(
         }
         fs.writeFileSync(filePath, item.data, "utf-8");
       }
-      const ossImagesDir = u.getPath(["oss", stylePath]);
+      const imagesDir = path.join(mainPath, "images");
 
       let existingFiles: string[] = [];
       try {
-        const allFiles = fs.readdirSync(ossImagesDir);
+        const allFiles = fs.readdirSync(imagesDir);
         existingFiles = allFiles.filter((f) => /\.(png|jpe?g|gif|webp|svg)$/i.test(f));
       } catch {}
 
@@ -88,12 +88,22 @@ export default router.post(
 
       for (const file of existingFiles) {
         if (!retainedFileNames.has(file)) {
-          await u.oss.deleteFile(`${stylePath}/${file}`);
+          const filePath = path.join(imagesDir, file);
+          if (fs.existsSync(filePath)) fs.unlinkSync(filePath);
         }
       }
 
+      if (!fs.existsSync(imagesDir)) {
+        fs.mkdirSync(imagesDir, { recursive: true });
+      }
+
       for (const item of images) {
-        if (!item.startsWith("http")) await u.oss.writeFile(`${stylePath}/${u.uuid()}.jpg`, item);
+        if (!item.startsWith("http")) {
+          const fileName = `${u.uuid()}.jpg`;
+          const targetPath = path.join(imagesDir, fileName);
+          const buffer = Buffer.from(item.replace(/^data:[^;]+;base64,/, ""), "base64");
+          fs.writeFileSync(targetPath, buffer);
+        }
       }
 
       res.status(200).send(success());
diff --git a/src/routes/project/deleteVisualManual.ts b/src/routes/project/deleteVisualManual.ts
index 5d35333..b0a1244 100644
--- a/src/routes/project/deleteVisualManual.ts
+++ b/src/routes/project/deleteVisualManual.ts
@@ -33,14 +33,6 @@ export default router.post(
       } catch (e) {
         console.error("[删除视觉手册] 删除失败:", artPromptsDir, e);
       }
-
-      // 2. 删除 oss 下的同名文件夹（存放图片），独立于 art_prompts 目录
-      try {
-        await u.oss.deleteDirectory(name);
-      } catch (e) {
-        console.warn("[删除视觉手册] oss 目录删除失败:", name, e);
-      }
-
       res.status(200).send(success({ message: "删除成功" }));
     } catch (err) {
       res.status(500).send(error(u.error(err).message || "删除失败"));
diff --git a/src/routes/project/editVisualManual.ts b/src/routes/project/editVisualManual.ts
index 77c7ea3..69997b0 100644
--- a/src/routes/project/editVisualManual.ts
+++ b/src/routes/project/editVisualManual.ts
@@ -77,11 +77,11 @@ export default router.post(
         const content = item.value === "README" ? `${name}\n${item.data}` : item.data;
         fs.writeFileSync(filePath, content, "utf-8");
       }
-      const ossImagesDir = u.getPath(["oss", stylePath]);
+      const imagesDir = path.join(mainPath, "images");
 
       let existingFiles: string[] = [];
       try {
-        const allFiles = fs.readdirSync(ossImagesDir);
+        const allFiles = fs.readdirSync(imagesDir);
         existingFiles = allFiles.filter((f) => /\.(png|jpe?g|gif|webp|svg)$/i.test(f));
       } catch {}
 
@@ -89,12 +89,22 @@ export default router.post(
 
       for (const file of existingFiles) {
         if (!retainedFileNames.has(file)) {
-          await u.oss.deleteFile(`${stylePath}/${file}`);
+          const filePath = path.join(imagesDir, file);
+          if (fs.existsSync(filePath)) fs.unlinkSync(filePath);
         }
       }
 
+      if (!fs.existsSync(imagesDir)) {
+        fs.mkdirSync(imagesDir, { recursive: true });
+      }
+
       for (const item of images) {
-        if (!item.startsWith("http")) await u.oss.writeFile(`${stylePath}/${u.uuid()}.jpg`, item);
+        if (!item.startsWith("http")) {
+          const fileName = `${u.uuid()}.jpg`;
+          const targetPath = path.join(imagesDir, fileName);
+          const buffer = Buffer.from(item.replace(/^data:[^;]+;base64,/, ""), "base64");
+          fs.writeFileSync(targetPath, buffer);
+        }
       }
 
       res.status(200).send(success());
diff --git a/src/routes/project/getVisualManual.ts b/src/routes/project/getVisualManual.ts
index e227418..b997b96 100644
--- a/src/routes/project/getVisualManual.ts
+++ b/src/routes/project/getVisualManual.ts
@@ -33,11 +33,11 @@ function readMd(filePath: string): string {
 // 获取 images 文件夹下所有图片文件路径列表
 async function readAllImages(imagesDir: string) {
   try {
-    const ossPath = u.getPath(["oss", imagesDir]);
+    const ossPath = u.getPath(path.join("skills", "art_prompts", imagesDir, "images"));
     const files = fs.readdirSync(ossPath);
-    const images = files.filter((f) => /\.(png|jpe?g|gif|webp|svg)$/i.test(f)).map((f) => path.join(imagesDir, f));
+    const images = files.filter((f) => /\.(png|jpe?g|gif|webp|svg)$/i.test(f)).map((f) => path.join("art_prompts", imagesDir, "images", f));
     if (images.length) {
-      return Promise.all(images.map(async (i) => await u.oss.getFileUrl(i)));
+      return Promise.all(images.map(async (i) => await u.oss.getFileUrl(i, "skills")));
     } else {
       return [];
     }
@@ -60,7 +60,6 @@ export default router.post("/", async (req, res) => {
     const result = await Promise.all(
       styleDirs.map(async (styleName) => {
         const styleDir = path.join(artPromptsDir, styleName);
-
         const images = await readAllImages(styleName);
         const readmePath = path.join(styleDir, "README.md");
         const readmeContent = fs.readFileSync(readmePath, "utf-8");
diff --git a/src/types/database.d.ts b/src/types/database.d.ts
index 04139ce..2911895 100644
--- a/src/types/database.d.ts
+++ b/src/types/database.d.ts
@@ -1,6 +1,34 @@
-// @db-hash c0d74bd27b3a41b397705c93d1737a3b
+// @db-hash a6017ee44d67db4a339664cfe7bacb76
 //该文件由脚本自动生成，请勿手动修改
 
+export interface _o_vendorConfig_old_20260401 {
+  'author'?: string | null;
+  'code'?: string | null;
+  'createTime'?: number | null;
+  'description'?: string | null;
+  'icon'?: string | null;
+  'id'?: string;
+  'inputs'?: string | null;
+  'inputValues'?: string | null;
+  'models'?: string | null;
+  'name'?: string | null;
+}
+export interface _o_videoTrack_old_20260401 {
+  'id'?: number;
+  'projectId'?: number | null;
+  'scriptId'?: number | null;
+  'videoId'?: number | null;
+}
+export interface _o_videoTrack_old_20260401_1 {
+  'id'?: number;
+  'projectId'?: number | null;
+  'prompt'?: string | null;
+  'reason'?: string | null;
+  'scriptId'?: number | null;
+  'selectVideoId'?: number | null;
+  'state'?: string | null;
+  'videoId'?: number | null;
+}
 export interface memories {
   'content': string;
   'createTime': number;
@@ -216,6 +244,7 @@ export interface o_video {
   'videoTrackId'?: number | null;
 }
 export interface o_videoTrack {
+  'duration'?: number | null;
   'id'?: number;
   'projectId'?: number | null;
   'prompt'?: string | null;
@@ -227,6 +256,9 @@ export interface o_videoTrack {
 }
 
 export interface DB {
+  "_o_vendorConfig_old_20260401": _o_vendorConfig_old_20260401;
+  "_o_videoTrack_old_20260401": _o_videoTrack_old_20260401;
+  "_o_videoTrack_old_20260401_1": _o_videoTrack_old_20260401_1;
   "memories": memories;
   "o_agentDeploy": o_agentDeploy;
   "o_agentWorkData": o_agentWorkData;
diff --git a/src/utils/oss.ts b/src/utils/oss.ts
index e3e9f0c..8ae4927 100644
--- a/src/utils/oss.ts
+++ b/src/utils/oss.ts
@@ -45,12 +45,13 @@ class OSS {
    * @param userRelPath 用户传入的相对文件路径（使用 / 作为分隔符）
    * @returns 文件的 http 链接（本地服务地址）
    */
-  async getFileUrl(userRelPath: string): Promise<string> {
+  async getFileUrl(userRelPath: string, prefix?: string): Promise<string> {
+    if (!prefix) prefix = "oss";
     await this.ensureInit();
     const safePath = normalizeUserPath(userRelPath);
     // URL 始终使用 /，所以这里需要将系统分隔符转回 /
-    let url = process.env.OSSURL || `http://127.0.0.1:10588/`;
-    if (isEletron()) url = `http://localhost:${process.env.PORT}/`;
+    let url = `${process.env.OSSURL}${prefix}/` || `http://127.0.0.1:10588/${prefix}/`;
+    if (isEletron()) url = `http://localhost:${process.env.PORT}/${prefix}/`;
     return `${url}${safePath.split(path.sep).join("/")}`;
   }
 
@@ -146,10 +147,7 @@ class OSS {
     await fs.mkdir(path.dirname(absPath), { recursive: true });
     // 如果 data 是 string，则视为 base64 编码，先解码再写入
     // 自动去除可能存在的 Data URL 前缀（如 "data:image/png;base64,"）
-    const buffer =
-      typeof data === "string"
-        ? Buffer.from(data.replace(/^data:[^;]+;base64,/, ""), "base64")
-        : data;
+    const buffer = typeof data === "string" ? Buffer.from(data.replace(/^data:[^;]+;base64,/, ""), "base64") : data;
     await fs.writeFile(absPath, buffer);
   }