diff --git a/app/api/playedu-api/src/main/java/xyz/playedu/api/controller/backend/jc/BookChapterController.java b/app/api/playedu-api/src/main/java/xyz/playedu/api/controller/backend/jc/BookChapterController.java
index a7fdf79..c5333b9 100644
--- a/app/api/playedu-api/src/main/java/xyz/playedu/api/controller/backend/jc/BookChapterController.java
+++ b/app/api/playedu-api/src/main/java/xyz/playedu/api/controller/backend/jc/BookChapterController.java
@@ -17,7 +17,7 @@ import java.util.Optional;
  * 1.1 章节管理：新增/编辑/删除/拖拽排序/三级目录树
  */
 @RestController
-@RequestMapping("/textbook/chapter")
+@RequestMapping("/backend/v1/jc/chapter")
 public class BookChapterController {
 
     @Autowired
diff --git a/app/api/playedu-api/src/main/java/xyz/playedu/api/controller/backend/jc/BookPaperController.java b/app/api/playedu-api/src/main/java/xyz/playedu/api/controller/backend/jc/BookPaperController.java
index 60f9474..027ffc9 100644
--- a/app/api/playedu-api/src/main/java/xyz/playedu/api/controller/backend/jc/BookPaperController.java
+++ b/app/api/playedu-api/src/main/java/xyz/playedu/api/controller/backend/jc/BookPaperController.java
@@ -9,7 +9,7 @@ import xyz.playedu.jc.service.IBookPaperService;
 import java.util.List;
 
 @RestController
-@RequestMapping("/textbook/paper")
+@RequestMapping("/backend/v1/jc/paper")
 public class BookPaperController {
 
     @Autowired
@@ -20,7 +20,7 @@ public class BookPaperController {
         com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper<BookPaper> wrapper =
                 new com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper<>();
         wrapper.eq(BookPaper::getBookId, bookId)
-                .orderByAsc(BookPaper::getSort)
+//                .orderByAsc(BookPaper::getSort)
                 .orderByAsc(BookPaper::getId);
         List<BookPaper> list = bookPaperService.list(wrapper);
         return JsonResponse.data(list);
diff --git a/app/api/playedu-api/src/main/java/xyz/playedu/api/controller/backend/jc/BookScopeController.java b/app/api/playedu-api/src/main/java/xyz/playedu/api/controller/backend/jc/BookScopeController.java
index 430e374..0c0a9dc 100644
--- a/app/api/playedu-api/src/main/java/xyz/playedu/api/controller/backend/jc/BookScopeController.java
+++ b/app/api/playedu-api/src/main/java/xyz/playedu/api/controller/backend/jc/BookScopeController.java
@@ -9,7 +9,7 @@ import xyz.playedu.jc.service.IBookDepartmentUserService;
 import java.util.List;
 
 @RestController
-@RequestMapping("/textbook/scope")
+@RequestMapping("/backend/v1/jc/scope")
 public class BookScopeController {
 
     @Autowired
diff --git a/app/api/playedu-api/src/main/java/xyz/playedu/api/controller/backend/jc/ChapterContentController.java b/app/api/playedu-api/src/main/java/xyz/playedu/api/controller/backend/jc/ChapterContentController.java
index 8316f3e..cb53498 100644
--- a/app/api/playedu-api/src/main/java/xyz/playedu/api/controller/backend/jc/ChapterContentController.java
+++ b/app/api/playedu-api/src/main/java/xyz/playedu/api/controller/backend/jc/ChapterContentController.java
@@ -4,6 +4,7 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.*;
 import xyz.playedu.common.types.JsonResponse;
 import xyz.playedu.jc.domain.ChapterContent;
+import xyz.playedu.jc.domain.dto.ChapterContentSaveDTO;
 import xyz.playedu.jc.service.IChapterContentService;
 
 /**
@@ -12,30 +13,40 @@ import xyz.playedu.jc.service.IChapterContentService;
  * 章节内容 后台接口
  */
 @RestController
-@RequestMapping("/textbook/chapter-content")
+@RequestMapping("/backend/v1/jc/chapter-content")
 public class ChapterContentController {
 
+
     @Autowired
     private IChapterContentService chapterContentService;
 
+    /** 获取章节内容 */
     @GetMapping("/{chapterId}")
     public JsonResponse detail(@PathVariable("chapterId") Integer chapterId) {
         ChapterContent content = chapterContentService.getByChapterId(chapterId);
         return JsonResponse.data(content);
     }
 
+    /** 保存 / 更新章节内容（富文本 + 资源关联 + 知识点关联） */
     @PostMapping("/{chapterId}")
     public JsonResponse save(@PathVariable("chapterId") Integer chapterId,
-                             @RequestBody ChapterContent body) {
-        body.setChapterId(chapterId);
-        // 如果该章节已存在内容则更新，否则新增
-        ChapterContent old = chapterContentService.getByChapterId(chapterId);
-        if (old == null) {
-            chapterContentService.save(body);
-        } else {
-            body.setId(old.getId());
-            chapterContentService.updateById(body);
-        }
+                             @RequestBody ChapterContentSaveDTO dto) {
+        chapterContentService.saveOrUpdate(chapterId, dto);
+        return JsonResponse.success();
+    }
+
+    /** 设置/取消重点标记 */
+    @PostMapping("/{chapterId}/highlight")
+    public JsonResponse highlight(@PathVariable("chapterId") Integer chapterId,
+                                  @RequestParam("highlight") Boolean highlight) {
+        chapterContentService.highlight(chapterId, Boolean.TRUE.equals(highlight));
+        return JsonResponse.success();
+    }
+
+    /** OCR 导入（这里只是预留接口，具体调用你自己本地 OCR 模块） */
+    @PostMapping("/{chapterId}/ocr")
+    public JsonResponse ocrImport(@PathVariable("chapterId") Integer chapterId) {
+        // TODO: 在这里接入你的本地 OCR 服务，把结果写入章节内容
         return JsonResponse.success();
     }
 }
\ No newline at end of file
diff --git a/app/api/playedu-api/src/main/java/xyz/playedu/api/controller/backend/jc/JCResourceController.java b/app/api/playedu-api/src/main/java/xyz/playedu/api/controller/backend/jc/JCResourceController.java
index d45e41f..a2e98b8 100644
--- a/app/api/playedu-api/src/main/java/xyz/playedu/api/controller/backend/jc/JCResourceController.java
+++ b/app/api/playedu-api/src/main/java/xyz/playedu/api/controller/backend/jc/JCResourceController.java
@@ -11,7 +11,7 @@ import xyz.playedu.jc.service.JCIResourceService;
 import java.util.List;
 
 @RestController
-@RequestMapping("/textbook/resource")
+@RequestMapping("/backend/v1/jc/resource")
 public class JCResourceController {
 
     @Autowired
diff --git a/app/api/playedu-api/src/main/java/xyz/playedu/api/controller/backend/jc/TextbookController.java b/app/api/playedu-api/src/main/java/xyz/playedu/api/controller/backend/jc/TextbookController.java
index 68be68f..9788ae0 100644
--- a/app/api/playedu-api/src/main/java/xyz/playedu/api/controller/backend/jc/TextbookController.java
+++ b/app/api/playedu-api/src/main/java/xyz/playedu/api/controller/backend/jc/TextbookController.java
@@ -2,22 +2,39 @@ package xyz.playedu.api.controller.backend.jc;
 
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.*;
+import xyz.playedu.common.annotation.Log;
+import xyz.playedu.common.constant.BusinessTypeConstant;
 import xyz.playedu.common.types.JsonResponse;
+import xyz.playedu.common.types.paginate.PaginationResult;
 import xyz.playedu.jc.domain.Textbook;
 import xyz.playedu.jc.service.ITextbookService;
+import xyz.playedu.knowledge.domain.KnowledgeMessages;
 
+import java.util.HashMap;
 import java.util.List;
 
 /**
  * 教材管理 后台接口
  */
 @RestController
-@RequestMapping("/textbook")
+@RequestMapping("/backend/v1/jc/textbook")
 public class TextbookController {
 
     @Autowired
     private ITextbookService textbookService;
 
+
+    @GetMapping("/index")
+    public JsonResponse index(@RequestParam HashMap<String, Object> params) {
+
+        /** 调用服务层分页查询方法，Service 层已包含完整的分页信息 */
+        PaginationResult<Textbook> result = textbookService.paginate(params);
+
+        /** 直接返回 Service 层的结果 */
+        return JsonResponse.data(result);
+    }
+
+
     @GetMapping("/list")
     public JsonResponse list() {
         List<Textbook> list = textbookService.list();
@@ -47,4 +64,15 @@ public class TextbookController {
         textbookService.removeById(id);
         return JsonResponse.success();
     }
+
+    /** 教材发布 / 下架 */
+    @PostMapping("/{id}/publish")
+    public JsonResponse publish(@PathVariable("id") Integer id,
+                                @RequestParam("status") Integer status) {
+        Textbook textbook = new Textbook();
+        textbook.setId(id);
+//        textbook.setStatus(status);
+        textbookService.updateById(textbook);
+        return JsonResponse.success();
+    }
 }
\ No newline at end of file
diff --git a/app/api/playedu-common/src/main/java/xyz/playedu/common/bus/BackendBus.java b/app/api/playedu-common/src/main/java/xyz/playedu/common/bus/BackendBus.java
index 15dc414..e2d956f 100644
--- a/app/api/playedu-common/src/main/java/xyz/playedu/common/bus/BackendBus.java
+++ b/app/api/playedu-common/src/main/java/xyz/playedu/common/bus/BackendBus.java
@@ -19,6 +19,7 @@ import xyz.playedu.common.service.*;
 import xyz.playedu.common.util.PrivacyUtil;
 import xyz.playedu.common.util.StringUtil;
 
+import static xyz.playedu.framework.tenant.context.TenantContextHolder.getRequiredTenantId;
 import static xyz.playedu.framework.tenant.context.TenantContextHolder.getTenantId;
 
 @Component
@@ -49,9 +50,12 @@ public class BackendBus {
         if (roleIds.isEmpty()&&platformRoleIds.isEmpty()) {
             return permissions;
         }
-
+        System.out.println("getTenantId()"+getTenantId());
+        System.out.println("platformRoleIds"+platformRoleIds);
+        System.out.println("platFormRole"+platFormRole);
         List<Integer> permissionIds;
-        if (getTenantId() == -1L&&platformRoleIds.contains(platFormRole.getId())){
+//        if (getTenantId() == -1L&&platformRoleIds.contains(platFormRole.getId())){
+        if (getRequiredTenantId() == -1L&&platformRoleIds.contains(platFormRole.getId())){
             HashMap<String, Boolean> slugsByIds = new HashMap<>();
             slugsByIds.put("tenantManage", true);
             slugsByIds.put("equInfoManage", true);
diff --git a/app/api/playedu-course/src/main/java/xyz/playedu/jc/domain/BookDepartmentUser.java b/app/api/playedu-course/src/main/java/xyz/playedu/jc/domain/BookDepartmentUser.java
index a7ada42..e387e4a 100644
--- a/app/api/playedu-course/src/main/java/xyz/playedu/jc/domain/BookDepartmentUser.java
+++ b/app/api/playedu-course/src/main/java/xyz/playedu/jc/domain/BookDepartmentUser.java
@@ -16,20 +16,17 @@ import java.util.Date;
 @TableName("jc_book_department_user")
 public class BookDepartmentUser {
 
-    @TableId(type = IdType.AUTO)
-    private Integer id;
-
     /** 教材ID */
     @TableField("book_id")
     private Integer bookId;
 
-    /** 部门ID */
-    @TableField("department_id")
-    private Integer departmentId;
+    /** 指派范围ID */
+    @TableField("range_id")
+    private Integer rangeId;
 
     /** 用户ID */
-    @TableField("user_id")
-    private Integer userId;
+    @TableField("type")
+    private Integer type;
 
     @TableField("creator")
     private String creator;
diff --git a/app/api/playedu-course/src/main/java/xyz/playedu/jc/domain/BookPaper.java b/app/api/playedu-course/src/main/java/xyz/playedu/jc/domain/BookPaper.java
index 2e9603c..001e75d 100644
--- a/app/api/playedu-course/src/main/java/xyz/playedu/jc/domain/BookPaper.java
+++ b/app/api/playedu-course/src/main/java/xyz/playedu/jc/domain/BookPaper.java
@@ -27,17 +27,10 @@ public class BookPaper {
     @TableField("paper_id")
     private Integer paperId;
 
-    /** 章节ID（可选） */
-    @TableField("chapter_id")
-    private Integer chapterId;
 
-    /** 类型 1-随堂 2-单元 3-期末 等 */
-    @TableField("type")
-    private Integer type;
-
-    /** 排序 */
-    @TableField("sort")
-    private Integer sort;
+    /** 其它规则[试题顺序,选项顺序,考试次数,考试时长,及格分,阅卷方式] */
+    @TableField("extra")
+    private String extra;
 
     @TableField("creator")
     private String creator;
diff --git a/app/api/playedu-course/src/main/java/xyz/playedu/jc/domain/ChapterContent.java b/app/api/playedu-course/src/main/java/xyz/playedu/jc/domain/ChapterContent.java
index da30c36..96205e8 100644
--- a/app/api/playedu-course/src/main/java/xyz/playedu/jc/domain/ChapterContent.java
+++ b/app/api/playedu-course/src/main/java/xyz/playedu/jc/domain/ChapterContent.java
@@ -20,6 +20,9 @@ public class ChapterContent {
     @TableId(type = IdType.AUTO)
     private Integer id;
 
+    /** 教材id */
+    @TableField("book_id")
+    private Integer bookId;
     /** 章节ID */
     @TableField("chapter_id")
     private Integer chapterId;
@@ -27,14 +30,17 @@ public class ChapterContent {
     /** 富文本内容 */
     @TableField("content")
     private String content;
+    /** 内容类型：html等，当前默认为html，前端不用显示此字段 */
+    @TableField("type")
+    private String type;
 
-    /** 关联资源ID（逗号分隔） */
-    @TableField("resource_ids")
-    private String resourceIds;
-
-    /** 关联知识点ID（逗号分隔） */
-    @TableField("knowledge_ids")
-    private String knowledgeIds;
+//    /** 关联资源ID（逗号分隔） */
+//    @TableField("resource_ids")
+//    private String resourceIds;
+//
+//    /** 关联知识点ID（逗号分隔） */
+//    @TableField("knowledge_ids")
+//    private String knowledgeIds;
 
     /** 创建人 */
     @TableField("creator")
diff --git a/app/api/playedu-course/src/main/java/xyz/playedu/jc/domain/JCResource.java b/app/api/playedu-course/src/main/java/xyz/playedu/jc/domain/JCResource.java
index a8965e1..938c58b 100644
--- a/app/api/playedu-course/src/main/java/xyz/playedu/jc/domain/JCResource.java
+++ b/app/api/playedu-course/src/main/java/xyz/playedu/jc/domain/JCResource.java
@@ -31,33 +31,35 @@ public class JCResource {
     @TableField("name")
     private String name;
 
+    @TableField("konwledge_code")
+    private String konwledgeCode;
+
+
+    /** 文本描述 AI分析或自动填入 */
+    @TableField("txt_desc")
+    private String txtDesc;
+
     /** 资源类型 video/ppt/image/audio/... */
     @TableField("type")
     private String type;
 
-    /** 文件后缀 */
-    @TableField("ext")
-    private String ext;
+    /** 文件类型 */
+    @TableField("extension")
+    private String extension;
 
     /** 文件大小（字节） */
     @TableField("size")
     private Long size;
 
-    /** 时长（秒），仅视频/音频 */
-    @TableField("duration")
-    private Integer duration;
+    /** 存储磁盘 */
+    @TableField("disk")
+    private Integer disk;
 
     /** 访问URL */
-    @TableField("url")
-    private String url;
+    @TableField("path")
+    private String path;
 
-    /** 封面图 */
-    @TableField("cover")
-    private String cover;
 
-    /** 状态 0-禁用 1-启用 */
-    @TableField("status")
-    private Integer status;
 
     @TableField("creator")
     private String creator;
diff --git a/app/api/playedu-course/src/main/java/xyz/playedu/jc/domain/Textbook.java b/app/api/playedu-course/src/main/java/xyz/playedu/jc/domain/Textbook.java
index 3b2b11a..d4ce03b 100644
--- a/app/api/playedu-course/src/main/java/xyz/playedu/jc/domain/Textbook.java
+++ b/app/api/playedu-course/src/main/java/xyz/playedu/jc/domain/Textbook.java
@@ -24,12 +24,16 @@ public class Textbook {
     private String title;
 
     /** 封面地址 */
-    @TableField("cover")
-    private String cover;
+    @TableField("thumb")
+    private String thumb;
 
     /** 简介 */
-    @TableField("description")
-    private String description;
+    @TableField("short_desc")
+    private String shortDesc;
+
+    /** 学科专业信息 */
+    @TableField("major")
+    private String major;
 
     /** 作者 */
     @TableField("author")
@@ -39,21 +43,12 @@ public class Textbook {
     @TableField("isbn")
     private String isbn;
 
+    /** 章节总数（最小层级总节点数） */
+    @TableField("chapter_num")
+    private String chapterNum;
     /** 出版社 */
-    @TableField("publisher")
-    private String publisher;
-
-    /** 适用专业/课程 */
-    @TableField("subject")
-    private String subject;
-
-    /** 发布状态 0-未发布 1-已发布 */
-    @TableField("status")
-    private Integer status;
-
-    /** 版本号 */
-    @TableField("version")
-    private String version;
+    @TableField("publish_unit")
+    private String publishUnit;
 
     /** 发布时间 */
     @TableField("publish_time")
diff --git a/app/api/playedu-course/src/main/java/xyz/playedu/jc/service/IChapterContentService.java b/app/api/playedu-course/src/main/java/xyz/playedu/jc/service/IChapterContentService.java
index d9a02a5..0c42832 100644
--- a/app/api/playedu-course/src/main/java/xyz/playedu/jc/service/IChapterContentService.java
+++ b/app/api/playedu-course/src/main/java/xyz/playedu/jc/service/IChapterContentService.java
@@ -2,6 +2,7 @@ package xyz.playedu.jc.service;
 
 import com.baomidou.mybatisplus.extension.service.IService;
 import xyz.playedu.jc.domain.ChapterContent;
+import xyz.playedu.jc.domain.dto.ChapterContentSaveDTO;
 
 /**
  * 章节内容 Service
@@ -9,4 +10,8 @@ import xyz.playedu.jc.domain.ChapterContent;
 public interface IChapterContentService extends IService<ChapterContent> {
 
     ChapterContent getByChapterId(Integer chapterId);
+
+    void saveOrUpdate(Integer chapterId, ChapterContentSaveDTO dto);
+
+    void highlight(Integer chapterId, boolean highlight);
 }
\ No newline at end of file
diff --git a/app/api/playedu-course/src/main/java/xyz/playedu/jc/service/ITextbookService.java b/app/api/playedu-course/src/main/java/xyz/playedu/jc/service/ITextbookService.java
index 55389eb..c989c7e 100644
--- a/app/api/playedu-course/src/main/java/xyz/playedu/jc/service/ITextbookService.java
+++ b/app/api/playedu-course/src/main/java/xyz/playedu/jc/service/ITextbookService.java
@@ -1,11 +1,15 @@
 package xyz.playedu.jc.service;
 
 import com.baomidou.mybatisplus.extension.service.IService;
+import xyz.playedu.common.types.paginate.PaginationResult;
 import xyz.playedu.jc.domain.Textbook;
 
+import java.util.HashMap;
+
 /**
  * 教材 Service
  */
 public interface ITextbookService extends IService<Textbook> {
 
+    PaginationResult<Textbook> paginate(HashMap<String, Object> params);
 }
\ No newline at end of file
diff --git a/app/api/playedu-course/src/main/java/xyz/playedu/jc/service/impl/ChapterContentServiceImpl.java b/app/api/playedu-course/src/main/java/xyz/playedu/jc/service/impl/ChapterContentServiceImpl.java
index d1cc4da..9103c5e 100644
--- a/app/api/playedu-course/src/main/java/xyz/playedu/jc/service/impl/ChapterContentServiceImpl.java
+++ b/app/api/playedu-course/src/main/java/xyz/playedu/jc/service/impl/ChapterContentServiceImpl.java
@@ -4,9 +4,12 @@ import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import org.springframework.stereotype.Service;
 import xyz.playedu.jc.domain.ChapterContent;
+import xyz.playedu.jc.domain.dto.ChapterContentSaveDTO;
 import xyz.playedu.jc.mapper.ChapterContentMapper;
 import xyz.playedu.jc.service.IChapterContentService;
 
+import java.util.stream.Collectors;
+
 @Service
 public class ChapterContentServiceImpl
         extends ServiceImpl<ChapterContentMapper, ChapterContent>
@@ -18,4 +21,37 @@ public class ChapterContentServiceImpl
         wrapper.eq(ChapterContent::getChapterId, chapterId);
         return getOne(wrapper, false);
     }
+
+    @Override
+    public void saveOrUpdate(Integer chapterId, ChapterContentSaveDTO dto) {
+        ChapterContent exist = getByChapterId(chapterId);
+        String resourceIds = dto.getResourceIds() == null ? null :
+                dto.getResourceIds().stream()
+                        .map(String::valueOf).collect(Collectors.joining(","));
+        String knowledgeIds = dto.getKnowledgeIds() == null ? null :
+                dto.getKnowledgeIds().stream()
+                        .map(String::valueOf).collect(Collectors.joining(","));
+
+        if (exist == null) {
+            ChapterContent entity = new ChapterContent();
+            entity.setChapterId(chapterId);
+            entity.setContent(dto.getContent());
+
+            save(entity);
+        } else {
+            exist.setContent(dto.getContent());
+            // exist.setHighlight(Boolean.TRUE.equals(dto.getHighlight()) ? 1 : 0);
+            updateById(exist);
+        }
+    }
+
+    @Override
+    public void highlight(Integer chapterId, boolean highlight) {
+        ChapterContent exist = getByChapterId(chapterId);
+        if (exist == null) {
+            return;
+        }
+        // exist.setHighlight(highlight ? 1 : 0);
+        updateById(exist);
+    }
 }
\ No newline at end of file
diff --git a/app/api/playedu-course/src/main/java/xyz/playedu/jc/service/impl/TextbookServiceImpl.java b/app/api/playedu-course/src/main/java/xyz/playedu/jc/service/impl/TextbookServiceImpl.java
index 594e913..91e90d6 100644
--- a/app/api/playedu-course/src/main/java/xyz/playedu/jc/service/impl/TextbookServiceImpl.java
+++ b/app/api/playedu-course/src/main/java/xyz/playedu/jc/service/impl/TextbookServiceImpl.java
@@ -1,16 +1,88 @@
 package xyz.playedu.jc.service.impl;
 
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.baomidou.mybatisplus.core.metadata.IPage;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.collections4.MapUtils;
 import org.springframework.stereotype.Service;
+import xyz.playedu.common.types.paginate.PaginationResult;
 import xyz.playedu.jc.domain.Textbook;
 import xyz.playedu.jc.mapper.TextbookMapper;
 import xyz.playedu.jc.service.ITextbookService;
+import xyz.playedu.knowledge.domain.KnowledgeMessages;
+
+import java.util.ArrayList;
+import java.util.HashMap;
 
 /**
  * 教材 Service 实现
  */
+@Slf4j
 @Service
 public class TextbookServiceImpl
         extends ServiceImpl<TextbookMapper, Textbook>
         implements ITextbookService {
+
+
+    /**
+     * 分页查询消息列表
+     * 支持与 getMessages 相同的动态查询条件
+     *
+     * @param params 查询参数 Map，支持的参数与 getMessages 相同
+     * @return 分页结果，包含数据列表和总数
+     */
+    @Override
+    public PaginationResult<Textbook> paginate(HashMap<String, Object> params) {
+        try {
+            /** 获取分页参数，默认第1页，每页10条 */
+            Integer page = MapUtils.getInteger(params, "page", 1);
+            Integer size = MapUtils.getInteger(params, "size", 10);
+            /** 创建分页对象 */
+            Page<Textbook> pageParam = new Page<>(page, size);
+
+            /** 创建 Lambda 条件构造器，用于构建类型安全的查询条件 */
+            LambdaQueryWrapper<Textbook> queryWrapper = new LambdaQueryWrapper<>();
+
+            /** 固定条件：只查询未删除的记录（km_is_del = false） */
+//            queryWrapper.eq(Textbook::getKmIsDel, false);
+
+            /** 动态添加查询条件：会话ID */
+            if (MapUtils.getString(params, "title") != null && !MapUtils.getString(params, "title").isEmpty()) {
+                queryWrapper.eq(Textbook::getTitle, MapUtils.getString(params, "title"));
+            }
+
+
+            /** 添加排序条件：按创建时间降序排列 */
+            queryWrapper.orderByDesc(Textbook::getCreateTime);
+
+            /** 执行分页查询 */
+            IPage<Textbook> pageResult = this.page(pageParam, queryWrapper);
+
+            /** 计算总页数 */
+            Long total = pageResult.getTotal();
+            Long pages = (total + size - 1) / size; // 向上取整
+
+            /** 构建返回结果，包含完整的分页信息 */
+            PaginationResult<Textbook> result = new PaginationResult<>();
+            result.setData(pageResult.getRecords());
+            result.setTotal(total);
+            result.setCurrent(page); // 当前页码
+            result.setSize(size); // 每页大小
+            result.setPages(pages); // 总页数
+
+            return result;
+        } catch (Exception e) {
+            log.error("分页查询消息失败，参数：{}", params, e);
+            /** 返回空结果 */
+            PaginationResult<Textbook> emptyResult = new PaginationResult<>();
+            emptyResult.setData(new ArrayList<>());
+            emptyResult.setTotal(0L);
+            emptyResult.setCurrent(MapUtils.getInteger(params, "page", 1));
+            emptyResult.setSize(MapUtils.getInteger(params, "size", 10));
+            emptyResult.setPages(0L);
+            return emptyResult;
+        }
+    }
 }
\ No newline at end of file
diff --git a/app/api/playedu-course/src/main/resources/mapper/jc/BookDepartmentUserMapper.xml b/app/api/playedu-course/src/main/resources/mapper/jc/BookDepartmentUserMapper.xml
index 1ba2478..f54e7ab 100644
--- a/app/api/playedu-course/src/main/resources/mapper/jc/BookDepartmentUserMapper.xml
+++ b/app/api/playedu-course/src/main/resources/mapper/jc/BookDepartmentUserMapper.xml
@@ -5,10 +5,7 @@
 <mapper namespace="xyz.playedu.jc.mapper.BookDepartmentUserMapper">
 
     <resultMap id="BookDepartmentUserResultMap" type="xyz.playedu.jc.domain.BookDepartmentUser">
-        <id     column="id"            property="id"/>
         <result column="book_id"       property="bookId"/>
-        <result column="department_id" property="departmentId"/>
-        <result column="user_id"       property="userId"/>
         <result column="creator"       property="creator"/>
         <result column="updater"       property="updater"/>
         <result column="create_time"   property="createTime"/>
diff --git a/app/api/playedu-course/src/main/resources/mapper/jc/BookPaperMapper.xml b/app/api/playedu-course/src/main/resources/mapper/jc/BookPaperMapper.xml
index 8ca1f59..d6bde06 100644
--- a/app/api/playedu-course/src/main/resources/mapper/jc/BookPaperMapper.xml
+++ b/app/api/playedu-course/src/main/resources/mapper/jc/BookPaperMapper.xml
@@ -8,9 +8,6 @@
         <id     column="id"         property="id"/>
         <result column="book_id"    property="bookId"/>
         <result column="paper_id"   property="paperId"/>
-        <result column="chapter_id" property="chapterId"/>
-        <result column="type"       property="type"/>
-        <result column="sort"       property="sort"/>
         <result column="creator"    property="creator"/>
         <result column="updater"    property="updater"/>
         <result column="create_time" property="createTime"/>
diff --git a/app/api/playedu-course/src/main/resources/mapper/jc/ChapterContentMapper.xml b/app/api/playedu-course/src/main/resources/mapper/jc/ChapterContentMapper.xml
index f8371b4..520d876 100644
--- a/app/api/playedu-course/src/main/resources/mapper/jc/ChapterContentMapper.xml
+++ b/app/api/playedu-course/src/main/resources/mapper/jc/ChapterContentMapper.xml
@@ -8,8 +8,6 @@
         <id     column="id"            property="id"/>
         <result column="chapter_id"    property="chapterId"/>
         <result column="content"       property="content"/>
-        <result column="resource_ids"  property="resourceIds"/>
-        <result column="knowledge_ids" property="knowledgeIds"/>
         <result column="creator"       property="creator"/>
         <result column="updater"       property="updater"/>
         <result column="create_time"   property="createTime"/>
diff --git a/app/api/playedu-course/src/main/resources/mapper/jc/JCResourceMapper.xml b/app/api/playedu-course/src/main/resources/mapper/jc/JCResourceMapper.xml
index 269ecd0..0299df3 100644
--- a/app/api/playedu-course/src/main/resources/mapper/jc/JCResourceMapper.xml
+++ b/app/api/playedu-course/src/main/resources/mapper/jc/JCResourceMapper.xml
@@ -10,12 +10,8 @@
         <result column="chapter_id" property="chapterId"/>
         <result column="name"      property="name"/>
         <result column="type"      property="type"/>
-        <result column="ext"       property="ext"/>
         <result column="size"      property="size"/>
-        <result column="duration"  property="duration"/>
-        <result column="url"       property="url"/>
-        <result column="cover"     property="cover"/>
-        <result column="status"    property="status"/>
+
         <result column="creator"   property="creator"/>
         <result column="updater"   property="updater"/>
         <result column="create_time" property="createTime"/>
diff --git a/app/api/playedu-course/src/main/resources/mapper/jc/TextbookMapper.xml b/app/api/playedu-course/src/main/resources/mapper/jc/TextbookMapper.xml
index c3be9cb..8147efe 100644
--- a/app/api/playedu-course/src/main/resources/mapper/jc/TextbookMapper.xml
+++ b/app/api/playedu-course/src/main/resources/mapper/jc/TextbookMapper.xml
@@ -7,14 +7,10 @@
     <resultMap id="TextbookResultMap" type="xyz.playedu.jc.domain.Textbook">
         <id     column="id"           property="id"/>
         <result column="title"        property="title"/>
-        <result column="cover"        property="cover"/>
-        <result column="description"  property="description"/>
+
         <result column="author"       property="author"/>
         <result column="isbn"         property="isbn"/>
-        <result column="publisher"    property="publisher"/>
-        <result column="subject"      property="subject"/>
-        <result column="status"       property="status"/>
-        <result column="version"      property="version"/>
+
         <result column="publish_time" property="publishTime"/>
         <result column="creator"      property="creator"/>
         <result column="updater"      property="updater"/>