diff --git a/api/video_flow.ts b/api/video_flow.ts
index 3d55204..88f9705 100644
--- a/api/video_flow.ts
+++ b/api/video_flow.ts
@@ -2,7 +2,7 @@ import { post } from './request';
 import { ProjectTypeEnum } from '@/app/model/enums';
 import { ApiResponse } from '@/api/common';
 import { BASE_URL } from './constants'
-import { AITextEntity, RoleEntity, SceneEntity, ShotEntity, TagEntity } from '@/app/service/domain/Entities';
+import { AITextEntity, RoleEntity, SceneEntity, ShotEntity, TagEntity, ScriptSliceEntity } from '@/app/service/domain/Entities';
 
 // API 响应类型
 interface BaseApiResponse<T> {
@@ -247,6 +247,75 @@ export const applyRoleToShots = async (request: {
   return post<ApiResponse<any>>('/movie/apply_role_to_shots', request);
 };
 
+/**
+ * 获取角色应用到的分镜列表
+ * @param request - 获取角色分镜列表请求参数
+ * @returns Promise<ApiResponse<分镜列表>>
+ */
+export const getRoleShots = async (request: {
+  /** 角色ID */
+  roleId: string;
+}): Promise<ApiResponse<{
+  /** 分镜列表 */
+  shots: ShotEntity[];
+  /** 已应用的分镜ID列表 */
+  appliedShotIds: string[];
+}>> => {
+  return post<ApiResponse<any>>('/movie/get_role_shots', request);
+};
+
+/**
+ * 获取角色列表
+ * @param request - 获取角色列表请求参数
+ * @returns Promise<ApiResponse<角色实体列表>>
+ */
+export const getRoleList = async (request: {
+  /** 项目ID */
+  projectId: string;
+}): Promise<ApiResponse<RoleEntity[]>> => {
+  return post<ApiResponse<any>>('/movie/get_role_list', request);
+};
+
+/**
+ * 获取角色数据
+ * @param request - 获取角色数据请求参数
+ * @returns Promise<ApiResponse<{ AI文本数据, 标签列表 }>>
+ */
+export const getRoleData = async (request: {
+  /** 角色ID */
+  roleId: string;
+}): Promise<ApiResponse<{
+  /** AI文本数据 */
+  text: AITextEntity;
+  /** 标签列表 */
+  tags: TagEntity[];
+}>> => {
+  return post<ApiResponse<any>>('/movie/get_role_data', request);
+};
+
+/**
+ * 获取用户角色库
+ * @returns Promise<ApiResponse<角色实体列表>>
+ */
+export const getUserRoleLibrary = async (): Promise<ApiResponse<RoleEntity[]>> => {
+  return post<ApiResponse<any>>('/movie/get_user_role_library', {});
+};
+
+/**
+ * 替换角色
+ * @param request - 替换角色请求参数
+ * @returns Promise<ApiResponse<替换结果>>
+ */
+export const replaceRole = async (request: {
+  /** 当前角色ID */
+  currentRoleId: string;
+  /** 替换的角色ID */
+  replaceRoleId: string;
+}): Promise<ApiResponse<any>> => {
+  return post<ApiResponse<any>>('/movie/replace_role', request);
+};
+
+
 /**
  * 修改标签
  * @param request - 修改标签请求参数
@@ -305,52 +374,6 @@ export const applySceneToShots = async (request: {
   return post<ApiResponse<any>>('/movie/apply_scene_to_shots', request);
 };
 
-/**
- * 获取角色应用到的分镜列表
- * @param request - 获取角色分镜列表请求参数
- * @returns Promise<ApiResponse<分镜列表>>
- */
-export const getRoleShots = async (request: {
-  /** 角色ID */
-  roleId: string;
-}): Promise<ApiResponse<{
-  /** 分镜列表 */
-  shots: ShotEntity[];
-  /** 已应用的分镜ID列表 */
-  appliedShotIds: string[];
-}>> => {
-  return post<ApiResponse<any>>('/movie/get_role_shots', request);
-};
-
-/**
- * 获取角色列表
- * @param request - 获取角色列表请求参数
- * @returns Promise<ApiResponse<角色实体列表>>
- */
-export const getRoleList = async (request: {
-  /** 项目ID */
-  projectId: string;
-}): Promise<ApiResponse<RoleEntity[]>> => {
-  return post<ApiResponse<any>>('/movie/get_role_list', request);
-};
-
-/**
- * 获取角色数据
- * @param request - 获取角色数据请求参数
- * @returns Promise<ApiResponse<{ AI文本数据, 标签列表 }>>
- */
-export const getRoleData = async (request: {
-  /** 角色ID */
-  roleId: string;
-}): Promise<ApiResponse<{
-  /** AI文本数据 */
-  text: AITextEntity;
-  /** 标签列表 */
-  tags: TagEntity[];
-}>> => {
-  return post<ApiResponse<any>>('/movie/get_role_data', request);
-};
-
 /**
  * 获取场景数据
  * @param request - 获取场景数据请求参数
@@ -398,24 +421,171 @@ export const getSceneShots = async (request: {
 };
 
 /**
- * 获取用户角色库
+ * 获取分镜关联的角色信息列表
+ * @param request - 获取分镜角色信息请求参数
  * @returns Promise<ApiResponse<角色实体列表>>
  */
-export const getUserRoleLibrary = async (): Promise<ApiResponse<RoleEntity[]>> => {
-  return post<ApiResponse<any>>('/movie/get_user_role_library', {});
+export const getShotRoles = async (request: {
+  /** 分镜ID */
+  shotId: string;
+}): Promise<ApiResponse<RoleEntity[]>> => {
+  return post<ApiResponse<any>>('/movie/get_shot_roles', request);
 };
 
 /**
- * 替换角色
- * @param request - 替换角色请求参数
- * @returns Promise<ApiResponse<替换结果>>
+ * 获取分镜关联的场景信息列表
+ * @param request - 获取分镜场景信息请求参数
+ * @returns Promise<ApiResponse<场景实体列表>>
  */
-export const replaceRole = async (request: {
-  /** 当前角色ID */
-  currentRoleId: string;
-  /** 替换的角色ID */
-  replaceRoleId: string;
-}): Promise<ApiResponse<any>> => {
-  return post<ApiResponse<any>>('/movie/replace_role', request);
+export const getShotScenes = async (request: {
+  /** 分镜ID */
+  shotId: string;
+}): Promise<ApiResponse<SceneEntity[]>> => {
+  return post<ApiResponse<any>>('/movie/get_shot_scenes', request);
 };
 
+/**
+ * 获取分镜详细数据
+ * @param request - 获取分镜数据请求参数
+ * @returns Promise<ApiResponse<{ AI文本数据, 标签列表 }>>
+ */
+export const getShotData = async (request: {
+  /** 分镜ID */
+  shotId: string;
+}): Promise<ApiResponse<{
+  /** AI文本数据 */
+  text: AITextEntity;
+  /** 标签列表 */
+  tags: TagEntity[];
+}>> => {
+  return post<ApiResponse<any>>('/movie/get_shot_data', request);
+};
+
+/**
+ * 重新生成分镜
+ * @param request - 重新生成分镜请求参数
+ * @returns Promise<ApiResponse<重新生成的分镜>>
+ */
+export const regenerateShot = async (request: {
+  /** 分镜ID */
+  shotId: string;
+  /** 镜头描述 */
+  shotPrompt: string;
+  /** 对话内容 */
+  dialogueContent: string;
+  /** 角色ID替换参数，格式为{oldId:string,newId:string}[] */
+  roleReplaceParams: { oldId: string; newId: string }[];
+  /** 场景ID替换参数，格式为{oldId:string,newId:string}[] */
+  sceneReplaceParams: { oldId: string; newId: string }[];
+}): Promise<ApiResponse<ShotEntity>> => {
+  return post<ApiResponse<any>>('/movie/regenerate_shot', request);
+};
+
+/**
+ * 修改分镜对话内容
+ * @param request - 修改分镜对话内容请求参数
+ * @returns Promise<ApiResponse<修改后的分镜>>
+ */
+export const updateShotContent = async (request: {
+  /** 分镜ID */
+  shotId: string;
+  /** 新的对话内容，ContentItem数量和ID顺序不能变，只能修改content字段 */
+  content: Array<{
+    /** 角色ID */
+    roleId: string;
+    /** 对话内容 */
+    content: string;
+  }>;
+}): Promise<ApiResponse<ShotEntity>> => {
+  return post<ApiResponse<any>>('/movie/update_shot_content', request);
+};
+
+/**
+ * 获取分镜列表
+ * @param request - 获取分镜列表请求参数
+ * @returns Promise<ApiResponse<分镜实体列表>>
+ */
+export const getShotList = async (request: {
+  /** 项目ID */
+  projectId: string;
+}): Promise<ApiResponse<ShotEntity[]>> => {
+  return post<ApiResponse<any>>('/movie/get_shot_list', request);
+};
+
+/**
+ * 获取分镜详情
+ * @param request - 获取分镜详情请求参数
+ * @returns Promise<ApiResponse<分镜实体>>
+ */
+export const getShotDetail = async (request: {
+  /** 分镜ID */
+  shotId: string;
+}): Promise<ApiResponse<ShotEntity>> => {
+  return post<ApiResponse<any>>('/movie/get_shot_detail', request);
+};
+
+/**
+ * 获取分镜草图数据
+ * @param request - 获取分镜草图数据请求参数
+ * @returns Promise<ApiResponse<草图数据URL>>
+ */
+export const getShotSketchData = async (request: {
+  /** 分镜ID */
+  shotId: string;
+}): Promise<ApiResponse<string>> => {
+  return post<ApiResponse<string>>('/movie/get_shot_sketch_data', request);
+};
+
+/**
+ * 获取分镜视频数据
+ * @param request - 获取分镜视频数据请求参数
+ * @returns Promise<ApiResponse<视频数据URL>>
+ */
+export const getShotVideoData = async (request: {
+  /** 分镜ID */
+  shotId: string;
+}): Promise<ApiResponse<string>> => {
+  return post<ApiResponse<string>>('/movie/get_shot_video_data', request);
+};
+
+/**
+ * 修改分镜镜头
+ * @param request - 修改分镜镜头请求参数
+ * @returns Promise<ApiResponse<修改后的分镜>>
+ */
+export const updateShotShot = async (request: {
+  /** 分镜ID */
+  shotId: string;
+  /** 新的镜头数据 */
+  shot: string[];
+}): Promise<ApiResponse<ShotEntity>> => {
+  return post<ApiResponse<any>>('/movie/update_shot_shot', request);
+};
+
+/**
+ * 替换分镜角色
+ * @param request - 替换分镜角色请求参数
+ * @returns Promise<ApiResponse<替换结果>>
+ */
+export const replaceShotRole = async (request: {
+  /** 分镜ID */
+  shotId: string;
+  /** 旧角色ID */
+  oldRoleId: string;
+  /** 新角色ID */
+  newRoleId: string;
+}): Promise<ApiResponse<any>> => {
+  return post<ApiResponse<any>>('/movie/replace_shot_role', request);
+};
+
+/**
+ * 获取分镜视频剧本内容
+ * @param request - 获取分镜视频剧本请求参数
+ * @returns Promise<ApiResponse<剧本片段列表>>
+ */
+export const getShotVideoScript = async (request: {
+  /** 分镜ID */
+  shotId: string;
+}): Promise<ApiResponse<ScriptSliceEntity[]>> => {
+  return post<ApiResponse<any>>('/movie/get_shot_video_script', request);
+};
diff --git a/app/service/Interaction/ShotService.ts b/app/service/Interaction/ShotService.ts
new file mode 100644
index 0000000..855c466
--- /dev/null
+++ b/app/service/Interaction/ShotService.ts
@@ -0,0 +1,383 @@
+import { useState, useCallback, useMemo } from 'react';
+import { ShotEntity, RoleEntity, SceneEntity, ScriptSliceEntity } from '../domain/Entities';
+import { ShotItem } from '../domain/Item';
+import { ShotEditUseCase } from '../usecase/ShotEditUsecase';
+import {
+  getShotList,
+  getShotDetail,
+  updateShotContent,
+  updateShotShot,
+  getUserRoleLibrary,
+  replaceShotRole,
+  getShotVideoScript
+} from '@/api/video_flow';
+
+/**
+ * 分镜服务Hook接口
+ * 定义分镜服务Hook的所有状态和操作方法
+ */
+export interface UseShotService {
+  // 响应式状态
+  /** 分镜列表 */
+  shotList: ShotEntity[];
+  /** 当前选中的分镜 */
+  selectedShot: ShotItem | null;
+  /** 当前分镜的草图数据URL */
+  shotSketchData: string | null;
+  /** 当前分镜的视频数据URL */
+  shotVideoData: string | null;
+
+  /** 用户角色库 */
+  userRoleLibrary: RoleEntity[];
+  /** 当前分镜的视频剧本片段 */
+  shotVideoScript: ScriptSliceEntity[];
+  /** 加载状态 */
+  loading: boolean;
+  /** 错误信息 */
+  error: string | null;
+
+  // 操作方法
+  /** 获取分镜列表 */
+  fetchShotList: (projectId: string) => Promise<void>;
+  /** 选择分镜并获取详情 */
+  selectShot: (shotId: string) => Promise<void>;
+  /** 修改分镜对话内容 */
+  updateShotContent: (newContent: Array<{ roleId: string; content: string }>) => Promise<void>;
+  /** 修改分镜镜头 */
+  updateShotShot: (newShot: string[]) => Promise<void>;
+  /** 获取用户角色库 */
+  fetchUserRoleLibrary: () => Promise<void>;
+  /** 替换分镜角色 */
+  replaceShotRole: (oldRoleId: string, newRoleId: string) => Promise<void>;
+  /** 获取分镜视频剧本内容 */
+  fetchShotVideoScript: () => Promise<void>;
+  /** 获取分镜关联的角色信息 */
+  getShotRoles: () => Promise<RoleEntity[]>;
+  /** 获取分镜关联的场景信息 */
+  getShotScenes: () => Promise<SceneEntity[]>;
+
+  /** 重新生成分镜 */
+  regenerateShot: (
+    shotPrompt: string,
+    dialogueContent: string,
+    roleReplaceParams: { oldId: string; newId: string }[],
+    sceneReplaceParams: { oldId: string; newId: string }[]
+  ) => Promise<void>;
+}
+
+/**
+ * 分镜服务Hook
+ * 提供分镜相关的所有状态管理和操作方法
+ * 包括分镜列表管理、分镜选择、数据获取、内容修改等功能
+ */
+export const useShotService = (): UseShotService => {
+  // 响应式状态
+  const [shotList, setShotList] = useState<ShotEntity[]>([]);
+  const [selectedShot, setSelectedShot] = useState<ShotItem | null>(null);
+  const [shotSketchData, setShotSketchData] = useState<string | null>(null);
+  const [shotVideoData, setShotVideoData] = useState<string | null>(null);
+  const [userRoleLibrary, setUserRoleLibrary] = useState<RoleEntity[]>([]);
+  const [shotVideoScript, setShotVideoScript] = useState<ScriptSliceEntity[]>([]);
+  const [loading, setLoading] = useState<boolean>(false);
+  const [error, setError] = useState<string | null>(null);
+
+  // UseCase实例
+  const [shotEditUseCase, setShotEditUseCase] = useState<ShotEditUseCase | null>(null);
+
+  /**
+   * 获取分镜列表
+   * @description 根据项目ID获取所有分镜列表
+   * @param projectId 项目ID
+   */
+  const fetchShotList = useCallback(async (projectId: string) => {
+    try {
+      setLoading(true);
+      setError(null);
+      const response = await getShotList({ projectId });
+      if (response.successful) {
+        setShotList(response.data);
+      } else {
+        setError(`获取分镜列表失败: ${response.message}`);
+      }
+    } catch (err) {
+      setError(`获取分镜列表失败: ${err instanceof Error ? err.message : '未知错误'}`);
+    } finally {
+      setLoading(false);
+    }
+  }, []);
+
+  /**
+   * 选择分镜并获取详情
+   * @description 根据分镜ID获取分镜详情，并初始化相关的UseCase和数据
+   * @param shotId 分镜ID
+   */
+  const selectShot = useCallback(async (shotId: string) => {
+    try {
+      setLoading(true);
+      setError(null);
+
+      // 获取分镜详情
+      const response = await getShotDetail({ shotId });
+      if (response.successful) {
+        const shotEntity = response.data;
+        const shotItem = new ShotItem(shotEntity);
+        setSelectedShot(shotItem);
+
+        // 初始化UseCase
+        const newShotEditUseCase = new ShotEditUseCase(shotItem);
+        setShotEditUseCase(newShotEditUseCase);
+
+
+
+        // 从分镜实体中获取草图数据和视频数据
+        setShotSketchData(shotEntity.sketchUrl || null);
+        setShotVideoData(shotEntity.videoUrl || null);
+      } else {
+        setError(`获取分镜详情失败: ${response.message}`);
+      }
+    } catch (err) {
+      setError(`选择分镜失败: ${err instanceof Error ? err.message : '未知错误'}`);
+    } finally {
+      setLoading(false);
+    }
+  }, []);
+
+  /**
+   * 修改分镜对话内容
+   * @description 更新分镜的对话内容，ContentItem数量和ID顺序不能变，只能修改content字段
+   * @param newContent 新的对话内容数组
+   */
+  const updateShotContentHandler = useCallback(async (newContent: Array<{ roleId: string; content: string }>) => {
+    if (!shotEditUseCase) {
+      setError('分镜编辑用例未初始化');
+      return;
+    }
+
+    try {
+      setLoading(true);
+      setError(null);
+      const updatedShot = await shotEditUseCase.updateShotContent(newContent);
+      setSelectedShot(new ShotItem(updatedShot));
+    } catch (err) {
+      setError(`修改分镜对话内容失败: ${err instanceof Error ? err.message : '未知错误'}`);
+    } finally {
+      setLoading(false);
+    }
+  }, [shotEditUseCase]);
+
+  /**
+   * 修改分镜镜头
+   * @description 更新分镜的镜头数据
+   * @param newShot 新的镜头数据
+   */
+  const updateShotShotHandler = useCallback(async (newShot: string[]) => {
+    if (!selectedShot) {
+      setError('未选择分镜');
+      return;
+    }
+
+    try {
+      setLoading(true);
+      setError(null);
+      const response = await updateShotShot({
+        shotId: selectedShot.entity.id,
+        shot: newShot
+      });
+      if (response.successful) {
+        const updatedShot = response.data;
+        setSelectedShot(new ShotItem(updatedShot));
+      } else {
+        setError(`修改分镜镜头失败: ${response.message}`);
+      }
+    } catch (err) {
+      setError(`修改分镜镜头失败: ${err instanceof Error ? err.message : '未知错误'}`);
+    } finally {
+      setLoading(false);
+    }
+  }, [selectedShot]);
+
+  /**
+   * 获取用户角色库
+   * @description 获取当前用户的所有角色库数据
+   */
+  const fetchUserRoleLibrary = useCallback(async () => {
+    try {
+      setLoading(true);
+      setError(null);
+      const response = await getUserRoleLibrary();
+      if (response.successful) {
+        setUserRoleLibrary(response.data);
+      } else {
+        setError(`获取用户角色库失败: ${response.message}`);
+      }
+    } catch (err) {
+      setError(`获取用户角色库失败: ${err instanceof Error ? err.message : '未知错误'}`);
+    } finally {
+      setLoading(false);
+    }
+  }, []);
+
+  /**
+   * 替换分镜角色
+   * @description 将分镜中的某个角色替换为角色库中的另一个角色
+   * @param oldRoleId 旧角色ID
+   * @param newRoleId 新角色ID
+   */
+  const replaceShotRoleHandler = useCallback(async (oldRoleId: string, newRoleId: string) => {
+    if (!selectedShot) {
+      setError('未选择分镜');
+      return;
+    }
+
+    try {
+      setLoading(true);
+      setError(null);
+      const response = await replaceShotRole({
+        shotId: selectedShot.entity.id,
+        oldRoleId,
+        newRoleId
+      });
+      if (response.successful) {
+        // 重新获取分镜详情
+        await selectShot(selectedShot.entity.id);
+      } else {
+        setError(`替换分镜角色失败: ${response.message}`);
+      }
+    } catch (err) {
+      setError(`替换分镜角色失败: ${err instanceof Error ? err.message : '未知错误'}`);
+    } finally {
+      setLoading(false);
+    }
+  }, [selectedShot, selectShot]);
+
+  /**
+   * 获取分镜视频剧本内容
+   * @description 获取分镜视频的剧本内容，通过接口返回多个ScriptSliceEntity片段
+   */
+  const fetchShotVideoScript = useCallback(async () => {
+    if (!selectedShot) {
+      setError('未选择分镜');
+      return;
+    }
+
+    try {
+      setLoading(true);
+      setError(null);
+      const response = await getShotVideoScript({ shotId: selectedShot.entity.id });
+      if (response.successful) {
+        setShotVideoScript(response.data);
+      } else {
+        setError(`获取分镜视频剧本失败: ${response.message}`);
+      }
+    } catch (err) {
+      setError(`获取分镜视频剧本失败: ${err instanceof Error ? err.message : '未知错误'}`);
+    } finally {
+      setLoading(false);
+    }
+  }, [selectedShot]);
+
+  /**
+   * 获取分镜关联的角色信息
+   * @description 获取当前分镜可以使用的角色列表
+   * @returns Promise<RoleEntity[]> 角色信息列表
+   */
+  const getShotRoles = useCallback(async (): Promise<RoleEntity[]> => {
+    if (!shotEditUseCase) {
+      throw new Error('分镜编辑用例未初始化');
+    }
+    return await shotEditUseCase.getShotRoles();
+  }, [shotEditUseCase]);
+
+  /**
+   * 获取分镜关联的场景信息
+   * @description 获取当前分镜可以使用的场景列表
+   * @returns Promise<SceneEntity[]> 场景信息列表
+   */
+  const getShotScenes = useCallback(async (): Promise<SceneEntity[]> => {
+    if (!shotEditUseCase) {
+      throw new Error('分镜编辑用例未初始化');
+    }
+    return await shotEditUseCase.getShotScenes();
+  }, [shotEditUseCase]);
+
+
+
+  /**
+   * 重新生成分镜
+   * @description 使用镜头、对话内容、角色ID替换参数、场景ID替换参数重新生成分镜
+   * @param shotPrompt 镜头描述
+   * @param dialogueContent 对话内容
+   * @param roleReplaceParams 角色ID替换参数，格式为{oldId:string,newId:string}[]
+   * @param sceneReplaceParams 场景ID替换参数，格式为{oldId:string,newId:string}[]
+   */
+  const regenerateShot = useCallback(async (
+    shotPrompt: string,
+    dialogueContent: string,
+    roleReplaceParams: { oldId: string; newId: string }[],
+    sceneReplaceParams: { oldId: string; newId: string }[]
+  ) => {
+    if (!shotEditUseCase) {
+      setError('分镜编辑用例未初始化');
+      return;
+    }
+
+    try {
+      setLoading(true);
+      setError(null);
+      const updatedShot = await shotEditUseCase.regenerateShot(
+        shotPrompt,
+        dialogueContent,
+        roleReplaceParams,
+        sceneReplaceParams
+      );
+      setSelectedShot(new ShotItem(updatedShot));
+    } catch (err) {
+      setError(`重新生成分镜失败: ${err instanceof Error ? err.message : '未知错误'}`);
+    } finally {
+      setLoading(false);
+    }
+  }, [shotEditUseCase]);
+
+  return {
+    // 响应式状态 - 用于UI组件订阅和渲染
+    /** 分镜列表 - 当前项目的所有分镜数据 */
+    shotList,
+    /** 当前选中的分镜 - 包含分镜实体和编辑状态 */
+    selectedShot,
+    /** 当前分镜的草图数据URL - 从分镜实体中获取的草图图片链接 */
+    shotSketchData,
+    /** 当前分镜的视频数据URL - 从分镜实体中获取的视频链接 */
+    shotVideoData,
+
+    /** 用户角色库 - 当前用户可用的所有角色数据 */
+    userRoleLibrary,
+    /** 当前分镜的视频剧本片段 - 通过接口获取的剧本内容 */
+    shotVideoScript,
+    /** 加载状态 - 标识当前是否有异步操作正在进行 */
+    loading,
+    /** 错误信息 - 记录最近一次操作的错误信息 */
+    error,
+
+    // 操作方法 - 提供给UI组件调用的业务逻辑方法
+    /** 获取分镜列表 - 根据项目ID获取所有分镜数据 */
+    fetchShotList,
+    /** 选择分镜并获取详情 - 选择指定分镜并初始化相关数据 */
+    selectShot,
+    /** 修改分镜对话内容 - 更新分镜的对话内容，保持ContentItem结构不变 */
+    updateShotContent: updateShotContentHandler,
+    /** 修改分镜镜头 - 更新分镜的镜头数据 */
+    updateShotShot: updateShotShotHandler,
+    /** 获取用户角色库 - 获取当前用户的所有角色数据 */
+    fetchUserRoleLibrary,
+    /** 替换分镜角色 - 将分镜中的角色替换为角色库中的另一个角色 */
+    replaceShotRole: replaceShotRoleHandler,
+    /** 获取分镜视频剧本内容 - 通过接口获取视频剧本片段 */
+    fetchShotVideoScript,
+    /** 获取分镜关联的角色信息 - 获取当前分镜可用的角色列表 */
+    getShotRoles,
+    /** 获取分镜关联的场景信息 - 获取当前分镜可用的场景列表 */
+    getShotScenes,
+    /** 重新生成分镜 - 使用新参数重新生成分镜内容 */
+    regenerateShot,
+  };
+};
diff --git a/app/service/domain/Entities.ts b/app/service/domain/Entities.ts
index 5a9613d..534b2c1 100644
--- a/app/service/domain/Entities.ts
+++ b/app/service/domain/Entities.ts
@@ -65,19 +65,21 @@ export interface SceneEntity extends BaseEntity {
   /** 场景提示词Id */
   generateTextId: string;
 }
-
-interface RoleMap {
-  /** 角色ID */
-  roleId: string;
-  /** 人物ID */
-  figureId: string;
-}
+/**对话内容项 */
 interface ContentItem {
   /** 角色ID */
   roleId: string;
   /** 对话内容 */
   content: string;
 }
+export enum ShotStatus {
+  /** 草稿加载中 */
+  sketchLoading = 0,
+  /** 视频加载中 */
+  videoLoading = 1,
+  /** 完成 */
+  finished = 2,
+}
 /**
  * 分镜实体接口
  */
@@ -88,10 +90,40 @@ export interface ShotEntity extends BaseEntity {
   sketchUrl: string;
   /**分镜视频Url */
   videoUrl: string;
-  /**人物ID */
-  roleMap: RoleMap[];
+  /**分镜状态 */
+  status: ShotStatus;
+  /**角色ID列表 */
+  roleList: string[];
+  /**场景ID列表 */
+  sceneList: string[];
   /**对话内容 */
   content: ContentItem[];
   /**镜头项 */
   shot: string[];
+  /**分镜剧本 */
+  scriptId: string;
+}
+
+/**不同类型 将有不同元数据 */
+export enum ScriptSliceType {
+  /** 文本 */
+  text = 'text',
+  /** 高亮 */
+  highlight = 'highlight',
+  /**角色 */
+  role = 'role',
+  /** 场景 */
+  scene = 'scene',
+
+}
+/**
+ * 剧本片段实体接口
+ */
+export interface ScriptSliceEntity extends BaseEntity {
+  /** 类型 */
+  type: ScriptSliceType;
+  /** 剧本内容 */
+  text:  string;
+  /** 元数据 */
+  metaData: any;
 }
diff --git a/app/service/domain/Item.ts b/app/service/domain/Item.ts
index 20b29d2..a90c305 100644
--- a/app/service/domain/Item.ts
+++ b/app/service/domain/Item.ts
@@ -116,7 +116,7 @@ export class SceneItem extends EditItem<SceneEntity> {
  * 分镜可编辑项
  */
 export class ShotItem extends EditItem<ShotEntity> {
-  type: ItemType.IMAGE = ItemType.IMAGE;
+  type: ItemType = ItemType.IMAGE;
 
   constructor(
     entity: ShotEntity,
@@ -124,4 +124,10 @@ export class ShotItem extends EditItem<ShotEntity> {
   ) {
     super(entity, metadata);
   }
+  /**
+   * 更新为视频状态
+   */
+  updateToVideoStatus(): void {
+    this.type = ItemType.VIDEO;
+  }
 }
diff --git a/app/service/test/Role.test.ts b/app/service/test/Role.test.ts
index 4b5da97..8544d12 100644
--- a/app/service/test/Role.test.ts
+++ b/app/service/test/Role.test.ts
@@ -3,7 +3,7 @@ import { RoleEditUseCase } from '../usecase/RoleEditUseCase';
 import { TextEditUseCase } from '../usecase/TextEditUseCase';
 import { TagEditUseCase } from '../usecase/TagEditUseCase';
 import { RoleItem, TextItem, TagItem } from '../domain/Item';
-import { RoleEntity, AITextEntity, TagEntity, ShotEntity } from '../domain/Entities';
+import { RoleEntity, AITextEntity, TagEntity, ShotEntity, ShotStatus } from '../domain/Entities';
 
 // Mock API模块
 jest.mock('@/api/video_flow', () => ({
@@ -71,7 +71,10 @@ describe('RoleService 业务逻辑测试', () => {
     name: '分镜1',
     sketchUrl: 'http://example.com/sketch1.jpg',
     videoUrl: 'http://example.com/video1.mp4',
-    roleMap: [],
+    roleList: [],
+    sceneList: [],
+    status: ShotStatus.sketchLoading,
+    scriptId: 'script1',
     content: [],
     shot: [],
     updatedAt: Date.now(),
diff --git a/app/service/test/Scene.test.ts b/app/service/test/Scene.test.ts
new file mode 100644
index 0000000..6fb7c0e
--- /dev/null
+++ b/app/service/test/Scene.test.ts
@@ -0,0 +1,565 @@
+import { getSceneList, getSceneData, updateText, updateTag, regenerateScene, getSceneShots, applySceneToShots } from '@/api/video_flow';
+import { SceneEditUseCase } from '../usecase/SceneEditUseCase';
+import { TextEditUseCase } from '../usecase/TextEditUseCase';
+import { TagEditUseCase } from '../usecase/TagEditUseCase';
+import { SceneItem, TextItem, TagItem } from '../domain/Item';
+import { SceneEntity, AITextEntity, TagEntity, ShotEntity, ShotStatus } from '../domain/Entities';
+
+// Mock API模块
+jest.mock('@/api/video_flow', () => ({
+  getSceneList: jest.fn(),
+  getSceneData: jest.fn(),
+  updateText: jest.fn(),
+  updateTag: jest.fn(),
+  regenerateScene: jest.fn(),
+  getSceneShots: jest.fn(),
+  applySceneToShots: jest.fn(),
+}));
+
+// Mock UseCase模块
+jest.mock('../usecase/SceneEditUseCase');
+jest.mock('../usecase/TextEditUseCase');
+jest.mock('../usecase/TagEditUseCase');
+
+// Mock Domain模块
+jest.mock('../domain/Item', () => ({
+  SceneItem: jest.fn(),
+  TextItem: jest.fn(),
+  TagItem: jest.fn(),
+}));
+
+describe('SceneService 业务逻辑测试', () => {
+  let mockSceneEditUseCase: jest.Mocked<SceneEditUseCase>;
+  let mockTextEditUseCase: jest.Mocked<TextEditUseCase>;
+  let mockTagEditUseCase: jest.Mocked<TagEditUseCase>;
+
+  // 测试数据
+  const mockSceneEntity: SceneEntity = {
+    id: 'scene1',
+    name: '测试场景',
+    imageUrl: 'http://example.com/scene1.jpg',
+    tagIds: ['tag1', 'tag2'],
+    generateTextId: 'text1',
+    updatedAt: Date.now(),
+    loadingProgress: 100,
+    disableEdit: false,
+  };
+
+  const mockTextEntity: AITextEntity = {
+    id: 'text1',
+    content: '这是AI生成的场景文本内容',
+    updatedAt: Date.now(),
+    loadingProgress: 100,
+    disableEdit: false,
+  };
+
+  const mockTagEntity1: TagEntity = {
+    id: 'tag1',
+    name: '场景标签1',
+    content: '场景标签内容1',
+    updatedAt: Date.now(),
+    loadingProgress: 100,
+    disableEdit: false,
+  };
+
+  const mockTagEntity2: TagEntity = {
+    id: 'tag2',
+    name: '场景标签2',
+    content: '场景标签内容2',
+    updatedAt: Date.now(),
+    loadingProgress: 100,
+    disableEdit: false,
+  };
+
+  const mockShotEntity: ShotEntity = {
+    id: 'shot1',
+    name: '分镜1',
+    sketchUrl: 'http://example.com/sketch1.jpg',
+    videoUrl: 'http://example.com/video1.mp4',
+    roleList: [],
+    sceneList: [],
+    content: [],
+    status: ShotStatus.sketchLoading,
+    shot: [],
+    scriptId: 'script1',
+    updatedAt: Date.now(),
+    loadingProgress: 100,
+    disableEdit: false,
+  };
+
+  beforeEach(() => {
+    jest.clearAllMocks();
+
+    // 设置Mock UseCase实例
+    mockSceneEditUseCase = {
+      AIgenerateScene: jest.fn(),
+      applyScene: jest.fn(),
+      refreshSceneData: jest.fn(),
+    } as any;
+
+    mockTextEditUseCase = {
+      getOptimizedContent: jest.fn(),
+      updateText: jest.fn(),
+    } as any;
+
+    mockTagEditUseCase = {
+      updateTag: jest.fn(),
+    } as any;
+
+    // 设置Mock构造函数
+    (SceneEditUseCase as jest.MockedClass<typeof SceneEditUseCase>).mockImplementation(() => mockSceneEditUseCase);
+    (TextEditUseCase as jest.MockedClass<typeof TextEditUseCase>).mockImplementation(() => mockTextEditUseCase);
+    (TagEditUseCase as jest.MockedClass<typeof TagEditUseCase>).mockImplementation(() => mockTagEditUseCase);
+
+    // 设置Mock Item构造函数
+    (SceneItem as jest.MockedClass<typeof SceneItem>).mockImplementation((entity) => ({
+      entity,
+      metadata: {},
+      disableEdit: entity.disableEdit,
+      type: 3,
+    } as any));
+
+    (TextItem as jest.MockedClass<typeof TextItem>).mockImplementation((entity) => ({
+      entity,
+      metadata: {},
+      disableEdit: entity.disableEdit,
+      type: 0,
+    } as any));
+
+    (TagItem as jest.MockedClass<typeof TagItem>).mockImplementation((entity) => ({
+      entity,
+      metadata: {},
+      disableEdit: entity.disableEdit,
+      type: 2,
+    } as any));
+  });
+
+  describe('数据初始化测试', () => {
+    it('应该成功获取场景列表', async () => {
+      const mockScenes = [mockSceneEntity];
+      (getSceneList as jest.Mock).mockResolvedValue({
+        successful: true,
+        data: mockScenes,
+        message: 'success',
+      });
+
+      const result = await getSceneList({ projectId: 'project1' });
+
+      expect(getSceneList).toHaveBeenCalledWith({ projectId: 'project1' });
+      expect(result.successful).toBe(true);
+      expect(result.data).toEqual(mockScenes);
+    });
+
+    it('获取场景列表失败时应该返回错误信息', async () => {
+      (getSceneList as jest.Mock).mockResolvedValue({
+        successful: false,
+        message: '获取失败',
+      });
+
+      const result = await getSceneList({ projectId: 'project1' });
+
+      expect(result.successful).toBe(false);
+      expect(result.message).toBe('获取失败');
+    });
+
+    it('应该成功获取场景数据', async () => {
+      (getSceneData as jest.Mock).mockResolvedValue({
+        successful: true,
+        data: {
+          text: mockTextEntity,
+          tags: [mockTagEntity1, mockTagEntity2],
+        },
+      });
+
+      const result = await getSceneData({ sceneId: 'scene1' });
+
+      expect(getSceneData).toHaveBeenCalledWith({ sceneId: 'scene1' });
+      expect(result.successful).toBe(true);
+      expect(result.data.text).toEqual(mockTextEntity);
+      expect(result.data.tags).toEqual([mockTagEntity1, mockTagEntity2]);
+    });
+  });
+
+  describe('修改文本和标签测试', () => {
+    it('应该成功修改AI文本', async () => {
+      const updatedTextEntity = { ...mockTextEntity, content: '更新后的场景文本' };
+      (updateText as jest.Mock).mockResolvedValue({
+        successful: true,
+        data: updatedTextEntity,
+      });
+
+      const result = await updateText({
+        textId: 'text1',
+        content: '新的场景文本内容'
+      });
+
+      expect(updateText).toHaveBeenCalledWith({
+        textId: 'text1',
+        content: '新的场景文本内容'
+      });
+      expect(result.successful).toBe(true);
+      expect(result.data.content).toBe('更新后的场景文本');
+    });
+
+    it('应该成功修改标签内容', async () => {
+      const updatedTagEntity = { ...mockTagEntity1, content: '更新后的场景标签' };
+      (updateTag as jest.Mock).mockResolvedValue({
+        successful: true,
+        data: updatedTagEntity,
+      });
+
+      const result = await updateTag({
+        tagId: 'tag1',
+        content: '新的场景标签内容'
+      });
+
+      expect(updateTag).toHaveBeenCalledWith({
+        tagId: 'tag1',
+        content: '新的场景标签内容'
+      });
+      expect(result.successful).toBe(true);
+      expect(result.data.content).toBe('更新后的场景标签');
+    });
+  });
+
+  describe('文本AI优化测试', () => {
+    it('应该成功优化AI文本', async () => {
+      const optimizedContent = '优化后的场景文本内容';
+      const updatedTextEntity = { ...mockTextEntity, content: optimizedContent };
+
+      mockTextEditUseCase.getOptimizedContent.mockResolvedValue(optimizedContent);
+      mockTextEditUseCase.updateText.mockResolvedValue({
+        entity: updatedTextEntity,
+        metadata: {},
+        disableEdit: false,
+        type: 0,
+      } as any);
+
+      (updateText as jest.Mock).mockResolvedValue({
+        successful: true,
+        data: updatedTextEntity,
+      });
+
+      // 模拟优化流程
+      const optimizedContentResult = await mockTextEditUseCase.getOptimizedContent();
+      const updateResult = await mockTextEditUseCase.updateText(optimizedContentResult);
+
+      expect(mockTextEditUseCase.getOptimizedContent).toHaveBeenCalled();
+      expect(mockTextEditUseCase.updateText).toHaveBeenCalledWith(optimizedContent);
+      expect(updateResult.entity.content).toBe(optimizedContent);
+    });
+
+    it('没有文本内容时优化应该抛出错误', async () => {
+      const emptyTextEntity = { ...mockTextEntity, content: '' };
+      mockTextEditUseCase.getOptimizedContent.mockRejectedValue(new Error('没有可优化的文本内容'));
+
+      await expect(mockTextEditUseCase.getOptimizedContent()).rejects.toThrow('没有可优化的文本内容');
+    });
+  });
+
+  describe('重新生成场景测试', () => {
+    it('应该成功重新生成场景', async () => {
+      const newSceneEntity = { ...mockSceneEntity, id: 'scene2', name: '新场景' };
+      (regenerateScene as jest.Mock).mockResolvedValue({
+        successful: true,
+        data: newSceneEntity,
+      });
+
+      mockSceneEditUseCase.AIgenerateScene.mockResolvedValue(newSceneEntity);
+
+      const result = await regenerateScene({
+        prompt: '重新生成场景',
+        tagTypes: ['tag1', 'tag2'],
+        sceneId: 'scene1'
+      });
+
+      expect(regenerateScene).toHaveBeenCalledWith({
+        prompt: '重新生成场景',
+        tagTypes: ['tag1', 'tag2'],
+        sceneId: 'scene1'
+      });
+      expect(result.successful).toBe(true);
+      expect(result.data.id).toBe('scene2');
+      expect(result.data.name).toBe('新场景');
+    });
+
+    it('重新生成场景失败时应该返回错误信息', async () => {
+      (regenerateScene as jest.Mock).mockResolvedValue({
+        successful: false,
+        message: '重新生成失败',
+      });
+
+      const result = await regenerateScene({
+        prompt: '重新生成场景',
+        tagTypes: ['tag1', 'tag2'],
+        sceneId: 'scene1'
+      });
+
+      expect(result.successful).toBe(false);
+      expect(result.message).toBe('重新生成失败');
+    });
+  });
+
+  describe('重新获取场景数据测试', () => {
+    it('应该成功重新获取场景数据并更新实体', async () => {
+      const mockTextEntity = {
+        id: 'text1',
+        content: '更新后的场景AI文本',
+        updatedAt: Date.now(),
+        loadingProgress: 100,
+        disableEdit: false,
+      };
+
+      const mockTags = [
+        {
+          id: 'tag1',
+          name: '更新场景标签1',
+          content: '更新场景内容1',
+          updatedAt: Date.now(),
+          loadingProgress: 100,
+          disableEdit: false,
+        },
+        {
+          id: 'tag2',
+          name: '更新场景标签2',
+          content: '更新场景内容2',
+          updatedAt: Date.now(),
+          loadingProgress: 100,
+          disableEdit: false,
+        }
+      ];
+
+      (getSceneData as jest.Mock).mockResolvedValue({
+        successful: true,
+        data: {
+          text: mockTextEntity,
+          tags: mockTags,
+        },
+      });
+
+      // 模拟SceneItem的setEntity方法
+      const mockSetEntity = jest.fn();
+      (SceneItem as jest.MockedClass<typeof SceneItem>).mockImplementation((entity) => ({
+        entity,
+        metadata: {},
+        disableEdit: entity.disableEdit,
+        type: 3,
+        setEntity: mockSetEntity,
+      } as any));
+
+      const sceneItem = new SceneItem(mockSceneEntity);
+      const useCase = new SceneEditUseCase(sceneItem);
+
+      const result = await useCase.refreshSceneData();
+
+      expect(getSceneData).toHaveBeenCalledWith({ sceneId: 'scene1' });
+      expect(result.text).toEqual(mockTextEntity);
+      expect(result.tags).toEqual(mockTags);
+      expect(mockSetEntity).toHaveBeenCalledWith(expect.objectContaining({
+        generateTextId: 'text1',
+        tagIds: ['tag1', 'tag2'],
+        updatedAt: expect.any(Number),
+      }));
+    });
+
+    it('场景ID不存在时应该抛出错误', async () => {
+      const emptySceneEntity = { ...mockSceneEntity, id: '' };
+      const sceneItem = new SceneItem(emptySceneEntity);
+      const useCase = new SceneEditUseCase(sceneItem);
+
+      await expect(useCase.refreshSceneData()).rejects.toThrow('场景ID不存在，无法获取场景数据');
+    });
+
+    it('API调用失败时应该抛出错误', async () => {
+      (getSceneData as jest.Mock).mockResolvedValue({
+        successful: false,
+        message: '获取失败',
+      });
+
+      const sceneItem = new SceneItem(mockSceneEntity);
+      const useCase = new SceneEditUseCase(sceneItem);
+
+      await expect(useCase.refreshSceneData()).rejects.toThrow('获取场景数据失败: 获取失败');
+    });
+  });
+
+  describe('场景应用到多个分镜测试', () => {
+    it('应该成功获取场景分镜列表', async () => {
+      const mockShots = [mockShotEntity];
+      (getSceneShots as jest.Mock).mockResolvedValue({
+        successful: true,
+        data: {
+          shots: mockShots,
+          appliedShotIds: [],
+        },
+      });
+
+      const result = await getSceneShots({ sceneId: 'scene1' });
+
+      expect(getSceneShots).toHaveBeenCalledWith({ sceneId: 'scene1' });
+      expect(result.successful).toBe(true);
+      expect(result.data.shots).toEqual(mockShots);
+      expect(result.data.appliedShotIds).toEqual([]);
+    });
+
+    it('应该成功应用场景到选中的分镜', async () => {
+      (applySceneToShots as jest.Mock).mockResolvedValue({
+        successful: true,
+        data: { success: true },
+      });
+
+      mockSceneEditUseCase.applyScene.mockResolvedValue({} as any);
+
+      const result = await applySceneToShots({
+        sceneId: 'scene1',
+        shotIds: ['shot1', 'shot2']
+      });
+
+      expect(applySceneToShots).toHaveBeenCalledWith({
+        sceneId: 'scene1',
+        shotIds: ['shot1', 'shot2']
+      });
+      expect(result.successful).toBe(true);
+    });
+
+    it('应用场景失败时应该返回错误信息', async () => {
+      (applySceneToShots as jest.Mock).mockResolvedValue({
+        successful: false,
+        message: '应用失败',
+      });
+
+      const result = await applySceneToShots({
+        sceneId: 'scene1',
+        shotIds: ['shot1']
+      });
+
+      expect(result.successful).toBe(false);
+      expect(result.message).toBe('应用失败');
+    });
+
+    it('应该正确处理已应用的分镜状态', async () => {
+      const mockShots = [mockShotEntity];
+      (getSceneShots as jest.Mock).mockResolvedValue({
+        successful: true,
+        data: {
+          shots: mockShots,
+          appliedShotIds: ['shot1'], // 分镜1已应用
+        },
+      });
+
+      const result = await getSceneShots({ sceneId: 'scene1' });
+
+      expect(result.data.appliedShotIds).toEqual(['shot1']);
+      expect(result.data.shots).toEqual(mockShots);
+    });
+  });
+
+  describe('UseCase业务逻辑测试', () => {
+    it('SceneEditUseCase应该正确初始化', () => {
+      const sceneItem = new SceneItem(mockSceneEntity);
+      const useCase = new SceneEditUseCase(sceneItem);
+
+      expect(SceneEditUseCase).toHaveBeenCalledWith(sceneItem);
+      expect(useCase).toBeDefined();
+    });
+
+    it('TextEditUseCase应该正确初始化', () => {
+      const textItem = new TextItem(mockTextEntity);
+      const useCase = new TextEditUseCase(textItem);
+
+      expect(TextEditUseCase).toHaveBeenCalledWith(textItem);
+      expect(useCase).toBeDefined();
+    });
+
+    it('TagEditUseCase应该正确初始化', () => {
+      const tagItem = new TagItem(mockTagEntity1);
+      const useCase = new TagEditUseCase(tagItem);
+
+      expect(TagEditUseCase).toHaveBeenCalledWith(tagItem);
+      expect(useCase).toBeDefined();
+    });
+  });
+
+  describe('Domain实体测试', () => {
+    it('SceneItem应该正确包装SceneEntity', () => {
+      const sceneItem = new SceneItem(mockSceneEntity);
+
+      expect(SceneItem).toHaveBeenCalledWith(mockSceneEntity);
+      expect(sceneItem.entity).toEqual(mockSceneEntity);
+      expect(sceneItem.disableEdit).toBe(false);
+    });
+
+    it('TextItem应该正确包装AITextEntity', () => {
+      const textItem = new TextItem(mockTextEntity);
+
+      expect(TextItem).toHaveBeenCalledWith(mockTextEntity);
+      expect(textItem.entity).toEqual(mockTextEntity);
+      expect(textItem.disableEdit).toBe(false);
+    });
+
+    it('TagItem应该正确包装TagEntity', () => {
+      const tagItem = new TagItem(mockTagEntity1);
+
+      expect(TagItem).toHaveBeenCalledWith(mockTagEntity1);
+      expect(tagItem.entity).toEqual(mockTagEntity1);
+      expect(tagItem.disableEdit).toBe(false);
+    });
+  });
+
+  describe('错误处理测试', () => {
+    it('API调用失败时应该正确处理错误', async () => {
+      (getSceneList as jest.Mock).mockRejectedValue(new Error('网络错误'));
+
+      await expect(getSceneList({ projectId: 'project1' })).rejects.toThrow('网络错误');
+    });
+
+    it('API返回失败状态时应该正确处理', async () => {
+      (getSceneList as jest.Mock).mockResolvedValue({
+        successful: false,
+        message: '服务器错误',
+      });
+
+      const result = await getSceneList({ projectId: 'project1' });
+
+      expect(result.successful).toBe(false);
+      expect(result.message).toBe('服务器错误');
+    });
+
+    it('UseCase未初始化时应该抛出相应错误', async () => {
+      const sceneItem = new SceneItem(mockSceneEntity);
+      const useCase = new SceneEditUseCase(sceneItem);
+
+      // 模拟UseCase未初始化的情况
+      mockSceneEditUseCase.AIgenerateScene.mockRejectedValue(new Error('场景编辑UseCase未初始化'));
+
+      await expect(useCase.AIgenerateScene({} as any, [])).rejects.toThrow('场景编辑UseCase未初始化');
+    });
+  });
+
+  describe('场景数据完整性测试', () => {
+    it('应该验证场景实体的完整性', () => {
+      const sceneItem = new SceneItem(mockSceneEntity);
+
+      expect(sceneItem.entity.id).toBe('scene1');
+      expect(sceneItem.entity.name).toBe('测试场景');
+      expect(sceneItem.entity.imageUrl).toBe('http://example.com/scene1.jpg');
+      expect(sceneItem.entity.tagIds).toEqual(['tag1', 'tag2']);
+      expect(sceneItem.entity.generateTextId).toBe('text1');
+    });
+
+    it('应该验证文本实体的完整性', () => {
+      const textItem = new TextItem(mockTextEntity);
+
+      expect(textItem.entity.id).toBe('text1');
+      expect(textItem.entity.content).toBe('这是AI生成的场景文本内容');
+    });
+
+    it('应该验证标签实体的完整性', () => {
+      const tagItem = new TagItem(mockTagEntity1);
+
+      expect(tagItem.entity.id).toBe('tag1');
+      expect(tagItem.entity.name).toBe('场景标签1');
+      expect(tagItem.entity.content).toBe('场景标签内容1');
+    });
+  });
+});
diff --git a/app/service/usecase/SceneEditUseCase.ts b/app/service/usecase/SceneEditUseCase.ts
index ea87d30..34198c7 100644
--- a/app/service/usecase/SceneEditUseCase.ts
+++ b/app/service/usecase/SceneEditUseCase.ts
@@ -1,6 +1,6 @@
-import { SceneEntity } from '../domain/Entities';
+import { SceneEntity, AITextEntity, TagEntity } from '../domain/Entities';
 import { SceneItem, TagItem, TextItem } from '../domain/Item';
-import { regenerateScene, applySceneToShots } from '@/api/video_flow';
+import { regenerateScene, applySceneToShots, getSceneData } from '@/api/video_flow';
 
 /**
  * 场景编辑用例
@@ -49,4 +49,42 @@ export class SceneEditUseCase {
       shotIds
     });
   }
+
+  /**
+   * 重新获取当前场景的数据
+   * @description 从服务器重新获取当前场景的AI文本和标签数据，并更新当前实体
+   * @returns Promise<{ text: AITextEntity; tags: TagEntity[] }> 场景相关的AI文本和标签数据
+   * @throws {Error} 当API调用失败时抛出错误
+   */
+  async refreshSceneData(): Promise<{ text: AITextEntity; tags: TagEntity[] }> {
+    const sceneId = this.sceneItem.entity.id;
+
+    if (!sceneId) {
+      throw new Error('场景ID不存在，无法获取场景数据');
+    }
+
+    const response = await getSceneData({
+      sceneId: sceneId
+    });
+
+    if (response.successful) {
+      // 更新当前场景的实体数据
+      const { text, tags } = response.data;
+
+      // 更新场景实体中的相关字段
+      const updatedSceneEntity = {
+        ...this.sceneItem.entity,
+        generateTextId: text.id, // 更新AI文本ID
+        tagIds: tags.map(tag => tag.id), // 更新标签ID列表
+        updatedAt: Date.now(), // 更新时间戳
+      };
+
+      // 更新当前UseCase中的实体
+      this.sceneItem.setEntity(updatedSceneEntity);
+
+      return response.data;
+    } else {
+      throw new Error(`获取场景数据失败: ${response.message}`);
+    }
+  }
 }
diff --git a/app/service/usecase/ShotEditUsecase.ts b/app/service/usecase/ShotEditUsecase.ts
new file mode 100644
index 0000000..0397ccc
--- /dev/null
+++ b/app/service/usecase/ShotEditUsecase.ts
@@ -0,0 +1,203 @@
+import { ShotEntity, RoleEntity, SceneEntity, AITextEntity, TagEntity } from '../domain/Entities';
+import { ShotItem, RoleItem, SceneItem, TextItem, TagItem } from '../domain/Item';
+import {
+  getShotRoles,
+  getShotScenes,
+  getShotData,
+  regenerateShot,
+  updateShotContent
+} from '@/api/video_flow';
+
+/**
+ * 分镜编辑用例
+ * 负责分镜内容的初始化、修改和优化
+ */
+export class ShotEditUseCase {
+  constructor(private shotItem: ShotItem) {
+  }
+
+  /**
+   * 获取分镜关联的角色信息列表
+   * @description 获取当前分镜可以使用的角色列表
+   * @returns Promise<RoleEntity[]> 角色信息列表
+   * @throws {Error} 当API调用失败时抛出错误
+   */
+  async getShotRoles(): Promise<RoleEntity[]> {
+    const shotId = this.shotItem.entity.id;
+
+    if (!shotId) {
+      throw new Error('分镜ID不存在，无法获取角色信息');
+    }
+
+    const response = await getShotRoles({
+      shotId: shotId
+    });
+
+    if (response.successful) {
+      return response.data;
+    } else {
+      throw new Error(`获取分镜角色信息失败: ${response.message}`);
+    }
+  }
+
+  /**
+   * 获取分镜关联的场景信息列表
+   * @description 获取当前分镜可以使用的场景列表
+   * @returns Promise<SceneEntity[]> 场景信息列表
+   * @throws {Error} 当API调用失败时抛出错误
+   */
+  async getShotScenes(): Promise<SceneEntity[]> {
+    const shotId = this.shotItem.entity.id;
+
+    if (!shotId) {
+      throw new Error('分镜ID不存在，无法获取场景信息');
+    }
+
+    const response = await getShotScenes({
+      shotId: shotId
+    });
+
+    if (response.successful) {
+      return response.data;
+    } else {
+      throw new Error(`获取分镜场景信息失败: ${response.message}`);
+    }
+  }
+
+  /**
+   * 重新获取当前分镜信息
+   * @description 从服务器重新获取当前分镜的详细数据，并更新当前实体
+   * @returns Promise<{ text: AITextEntity; tags: TagEntity[] }> 分镜相关的AI文本和标签数据
+   * @throws {Error} 当API调用失败时抛出错误
+   */
+  async refreshShotData(): Promise<{ text: AITextEntity; tags: TagEntity[] }> {
+    const shotId = this.shotItem.entity.id;
+
+    if (!shotId) {
+      throw new Error('分镜ID不存在，无法获取分镜数据');
+    }
+
+    const response = await getShotData({
+      shotId: shotId
+    });
+
+    if (response.successful) {
+      // 更新当前分镜的实体数据
+      const { text, tags } = response.data;
+
+      // 更新分镜实体中的相关字段
+      const updatedShotEntity = {
+        ...this.shotItem.entity,
+        generateTextId: text.id, // 更新AI文本ID
+        tagIds: tags.map((tag: TagEntity) => tag.id), // 更新标签ID列表
+        updatedAt: Date.now(), // 更新时间戳
+      };
+
+      // 更新当前UseCase中的实体
+      this.shotItem.setEntity(updatedShotEntity);
+      // 检查状态是否需要更新为视频状态
+      this.checkAndUpdateVideoStatus(updatedShotEntity);
+
+      return response.data;
+    } else {
+      throw new Error(`获取分镜数据失败: ${response.message}`);
+    }
+  }
+
+  /**
+   * 重新生成当前分镜
+   * @description 使用镜头、对话内容、角色ID替换参数、场景ID替换参数重新生成分镜
+   * @param shotPrompt 镜头描述
+   * @param dialogueContent 对话内容
+   * @param roleReplaceParams 角色ID替换参数，格式为{oldId:string,newId:string}[]
+   * @param sceneReplaceParams 场景ID替换参数，格式为{oldId:string,newId:string}[]
+   * @returns Promise<ShotEntity> 重新生成的分镜实体
+   * @throws {Error} 当API调用失败时抛出错误
+   */
+  async regenerateShot(
+    shotPrompt: string,
+    dialogueContent: string,
+    roleReplaceParams: { oldId: string; newId: string }[],
+    sceneReplaceParams: { oldId: string; newId: string }[]
+  ): Promise<ShotEntity> {
+    const shotId = this.shotItem.entity.id;
+
+    if (!shotId) {
+      throw new Error('分镜ID不存在，无法重新生成分镜');
+    }
+
+    // 调用重新生成分镜接口
+    const response = await regenerateShot({
+      shotId: shotId,
+      shotPrompt: shotPrompt,
+      dialogueContent: dialogueContent,
+      roleReplaceParams: roleReplaceParams,
+      sceneReplaceParams: sceneReplaceParams,
+    });
+
+    if (response.successful) {
+      const shotEntity = response.data;
+      this.shotItem.setEntity(shotEntity);
+      // 检查状态是否需要更新为视频状态
+      this.checkAndUpdateVideoStatus(shotEntity);
+      return shotEntity;
+    } else {
+      throw new Error(`重新生成分镜失败: ${response.message}`);
+    }
+  }
+
+  /**
+   * 修改分镜对话内容
+   * @description 更新分镜的对话内容，ContentItem数量和ID顺序不能变，只能修改content字段
+   * @param newContent 新的对话内容数组
+   * @returns Promise<ShotEntity> 修改后的分镜实体
+   * @throws {Error} 当API调用失败时抛出错误
+   */
+  async updateShotContent(newContent: Array<{ roleId: string; content: string }>): Promise<ShotEntity> {
+    const shotId = this.shotItem.entity.id;
+
+    if (!shotId) {
+      throw new Error('分镜ID不存在，无法修改对话内容');
+    }
+
+    // 验证ContentItem数量和ID顺序
+    const currentContent = this.shotItem.entity.content;
+    if (newContent.length !== currentContent.length) {
+      throw new Error('ContentItem数量不能改变');
+    }
+
+    // 验证角色ID顺序
+    for (let i = 0; i < newContent.length; i++) {
+      if (newContent[i].roleId !== currentContent[i].roleId) {
+        throw new Error('ContentItem的roleId顺序不能改变');
+      }
+    }
+
+    const response = await updateShotContent({
+      shotId: shotId,
+      content: newContent,
+    });
+
+    if (response.successful) {
+      const shotEntity = response.data;
+      this.shotItem.setEntity(shotEntity);
+      // 检查状态是否需要更新为视频状态
+      this.checkAndUpdateVideoStatus(shotEntity);
+      return shotEntity;
+    } else {
+      throw new Error(`修改分镜对话内容失败: ${response.message}`);
+    }
+  }
+
+  /**
+   * 检查并更新视频状态
+   * @description 当分镜状态变为视频加载中或完成时，调用updateToVideoStatus
+   * @param shotEntity 分镜实体
+   */
+  private checkAndUpdateVideoStatus(shotEntity: ShotEntity): void {
+    // 当状态为视频加载中或完成时，更新为视频状态
+    if (shotEntity.status === 1 || shotEntity.status === 2) { // videoLoading 或 finished
+      this.shotItem.updateToVideoStatus();
+    }
+  }
+}
diff --git a/package.json b/package.json
index cfd7fe8..c00f8ab 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,9 @@
     "dev": "next dev",
     "build": "next build",
     "start": "next start",
-    "lint": "next lint"
+    "lint": "next lint",
+    "test": "jest",
+    "test:watch": "jest --watch"
   },
   "dependencies": {
     "@dnd-kit/core": "^6.3.1",