diff --git a/src/main/java/asia/yulinling/workflow/controller/NoteController.java b/src/main/java/asia/yulinling/workflow/controller/NoteController.java
index e995295..fb2ed2a 100644
--- a/src/main/java/asia/yulinling/workflow/controller/NoteController.java
+++ b/src/main/java/asia/yulinling/workflow/controller/NoteController.java
@@ -1,10 +1,26 @@
 package asia.yulinling.workflow.controller;
 
+import asia.yulinling.workflow.constant.Status;
+import asia.yulinling.workflow.model.ApiResponse;
+import asia.yulinling.workflow.model.entity.Note;
+import asia.yulinling.workflow.service.NoteService;
+import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
+import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
 
 @Slf4j
-@RequestMapping("/api22")
+@RequestMapping("/api")
+@RestController
+@RequiredArgsConstructor
 public class NoteController {
+    private final NoteService noteService;
 
+    @PostMapping("/note")
+    public ApiResponse<?> note() {
+        Note note = new Note();
+        noteService.addNote(note);
+        return ApiResponse.ofStatus(Status.SUCCESS);
+    }
 }
diff --git a/src/main/java/asia/yulinling/workflow/model/vo/NoteVO.java b/src/main/java/asia/yulinling/workflow/model/vo/NoteVO.java
new file mode 100644
index 0000000..daedb4e
--- /dev/null
+++ b/src/main/java/asia/yulinling/workflow/model/vo/NoteVO.java
@@ -0,0 +1,88 @@
+package asia.yulinling.workflow.model.vo;
+
+import lombok.Data;
+
+import java.util.Date;
+
+/**
+ * <p>
+ * 笔记VO
+ * </p>
+ *
+ * @author yulinling
+ * @since 2025/8/13
+ */
+@Data
+public class NoteVO {
+    Long id;
+
+    /**
+     * 用户id，外键
+     */
+    Long userId;
+
+    /**
+     * 笔记本id，外键
+     */
+    Long notebookId;
+
+    /**
+     * 笔记标题
+     */
+    String title;
+
+    /**
+     * 笔记本内容
+     */
+    String content;
+
+    /**
+     * 笔记本内容预览，截取前200字符
+     */
+    String previewText;
+
+    /**
+     * 笔记内容字数统计
+     */
+    Integer wordCount;
+
+    /**
+     * 是否置顶显示
+     */
+    Boolean isPinned;
+
+    /**
+     * 是否归档(不显示在默认列表中)
+     */
+    Boolean isArchived;
+
+    /**
+     * 是否标记为收藏
+     */
+    Boolean isFavorite;
+
+    /**
+     * 是否需要密码查看
+     */
+    Boolean passwordProtected;
+
+    /**
+     * 创建时间
+     */
+    Date createTime;
+
+    /**
+     * 更新时间
+     */
+    Date updateTime;
+
+    /**
+     * 提醒时间
+     */
+    Date reminderTime;
+
+    /**
+     * 笔记封面图片url
+     */
+    String coverImage;
+}
diff --git a/src/main/java/asia/yulinling/workflow/service/NoteService.java b/src/main/java/asia/yulinling/workflow/service/NoteService.java
index fd08f08..6f30235 100644
--- a/src/main/java/asia/yulinling/workflow/service/NoteService.java
+++ b/src/main/java/asia/yulinling/workflow/service/NoteService.java
@@ -1,5 +1,65 @@
 package asia.yulinling.workflow.service;
 
-public interface NoteService {
+import asia.yulinling.workflow.dto.request.PageParam;
+import asia.yulinling.workflow.dto.response.PageResult;
+import asia.yulinling.workflow.model.entity.Note;
+import asia.yulinling.workflow.model.vo.NoteVO;
+import org.springframework.transaction.annotation.Transactional;
 
+import java.util.List;
+
+@Transactional
+public interface NoteService {
+    /**
+     * 添加笔记本
+     *
+     * @param note 笔记
+     */
+    void addNote(Note note);
+
+    /**
+     * 删除笔记本
+     *
+     * @param noteId 笔记本id
+     */
+    void deleteNoteById(Long noteId);
+
+    /**
+     * 更新笔记本
+     *
+     * @param note 笔记本
+     */
+    void updateNote(Note note);
+
+    /**
+     * 获取笔记内容
+     *
+     * @param noteId 笔记本id
+     * @return 结果
+     */
+    NoteVO getNote(Long noteId);
+
+    /**
+     * 获取笔记本列表
+     *
+     * @param pageParam 分页参数
+     * @return 笔记列表
+     */
+    PageResult<NoteVO> getNoteList(PageParam pageParam);
+
+    /**
+     * 获取指定用户的笔记本列表
+     *
+     * @param userId 用户id
+     * @return 笔记本列表
+     */
+    List<Note> getNoteListByUserId(Long userId);
+
+    /**
+     * 根据笔记Id检测笔记是否存在
+     *
+     * @param noteId 笔记本id
+     * @return 结果
+     */
+    boolean isNoteNotExist(Long noteId);
 }
diff --git a/src/main/java/asia/yulinling/workflow/service/UserService.java b/src/main/java/asia/yulinling/workflow/service/UserService.java
index 76d9851..25483f5 100644
--- a/src/main/java/asia/yulinling/workflow/service/UserService.java
+++ b/src/main/java/asia/yulinling/workflow/service/UserService.java
@@ -18,7 +18,7 @@ import org.springframework.transaction.annotation.Transactional;
 @Transactional
 public interface UserService {
 
-    boolean checkUserIdExist(Long userId);
+    boolean isUserIdNoteExist(Long userId);
 
     /**
      * 获取用户列表分页
diff --git a/src/main/java/asia/yulinling/workflow/service/impl/NoteServiceImpl.java b/src/main/java/asia/yulinling/workflow/service/impl/NoteServiceImpl.java
index a9cc988..4c7d393 100644
--- a/src/main/java/asia/yulinling/workflow/service/impl/NoteServiceImpl.java
+++ b/src/main/java/asia/yulinling/workflow/service/impl/NoteServiceImpl.java
@@ -1,10 +1,118 @@
 package asia.yulinling.workflow.service.impl;
 
+import asia.yulinling.workflow.dto.request.PageParam;
+import asia.yulinling.workflow.dto.response.PageResult;
+import asia.yulinling.workflow.exception.ServiceException;
+import asia.yulinling.workflow.mapper.NoteMapper;
+import asia.yulinling.workflow.model.entity.Note;
+import asia.yulinling.workflow.model.vo.NoteVO;
 import asia.yulinling.workflow.service.NoteService;
+import asia.yulinling.workflow.service.NotebookService;
+import asia.yulinling.workflow.service.UserService;
+import asia.yulinling.workflow.utils.PageUtil;
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.BeanUtils;
 import org.springframework.stereotype.Service;
 
+import java.util.ArrayList;
+import java.util.List;
+
+@Slf4j
 @Service
 @RequiredArgsConstructor
 public class NoteServiceImpl implements NoteService {
+    private final NoteMapper noteMapper;
+    private final NotebookService notebookService;
+    private final UserService userService;
+
+    /**
+     * 添加笔记本
+     *
+     * @param note 笔记
+     */
+    @Override
+    public void addNote(Note note) {
+        if (notebookService.isNotebookNotExist(note.getNotebookId())) {
+            throw new ServiceException("笔记本不存在");
+        }
+
+        int result = noteMapper.insert(note);
+
+        if (result == 0) {
+            throw new ServiceException("新增笔记失败");
+        }
+    }
+
+    /**
+     * 删除笔记本
+     *
+     * @param noteId 笔记本id
+     */
+    @Override
+    public void deleteNoteById(Long noteId) {
+        if (isNoteNotExist(noteId)) {
+            throw new ServiceException("笔记不存在");
+        }
+
+        int result = noteMapper.deleteById(noteId);
+
+        if (result == 0) {
+            throw new ServiceException("删除笔记失败");
+        }
+    }
+
+    /**
+     * 更新笔记本
+     *
+     * @param note 笔记本
+     */
+    @Override
+    public void updateNote(Note note) {
+        if (isNoteNotExist(note.getId())) {
+            throw new ServiceException("笔记不存在");
+        }
+
+        int result = noteMapper.updateById(note);
+        if (result == 0) {
+            throw new ServiceException("更新笔记成功");
+        }
+    }
+
+    @Override
+    public NoteVO getNote(Long noteId) {
+        Note note = noteMapper.selectById(noteId);
+        NoteVO noteVO = new NoteVO();
+        BeanUtils.copyProperties(note, noteVO);
+        return noteVO;
+    }
+
+    @Override
+    public PageResult<NoteVO> getNoteList(PageParam pageParam) {
+        Page<Note> page = new Page<>(pageParam.getPageNum(), pageParam.getPageSize());
+        Page<Note> pageResult = noteMapper.selectPage(page, null);
+        List<NoteVO> noteVOList = new ArrayList<>();
+        for (Note note : pageResult.getRecords()) {
+            NoteVO noteVO = new NoteVO();
+            BeanUtils.copyProperties(note, noteVO);
+            noteVOList.add(noteVO);
+        }
+        return PageUtil.buildPageResult(pageResult, noteVOList);
+    }
+
+    @Override
+    public List<Note> getNoteListByUserId(Long userId) {
+        if (userService.isUserIdNoteExist(userId)) {
+            throw new ServiceException("用户不存在");
+        }
+
+        return noteMapper.selectList(new LambdaQueryWrapper<Note>().eq(Note::getUserId, userId));
+    }
+
+    @Override
+    public boolean isNoteNotExist(Long noteId) {
+        return noteMapper.exists(new LambdaQueryWrapper<Note>().eq(Note::getId, noteId));
+    }
 }
diff --git a/src/main/java/asia/yulinling/workflow/service/impl/NotebookServiceImpl.java b/src/main/java/asia/yulinling/workflow/service/impl/NotebookServiceImpl.java
index 025b948..ad2a8b1 100644
--- a/src/main/java/asia/yulinling/workflow/service/impl/NotebookServiceImpl.java
+++ b/src/main/java/asia/yulinling/workflow/service/impl/NotebookServiceImpl.java
@@ -29,7 +29,7 @@ public class NotebookServiceImpl implements NotebookService {
     @Override
     public void addNotebook(Notebook notebook) {
 
-        if (userService.checkUserIdExist(notebook.getUserId())) {
+        if (userService.isUserIdNoteExist(notebook.getUserId())) {
             throw new ServiceException("用户不存在");
         }
 
@@ -42,7 +42,7 @@ public class NotebookServiceImpl implements NotebookService {
 
     @Override
     public void deleteNotebookById(Long notebookId) {
-        if (userService.checkUserIdExist(notebookId)) {
+        if (isNotebookNotExist(notebookId)) {
             throw new ServiceException("笔记本不存在");
         }
 
@@ -54,7 +54,7 @@ public class NotebookServiceImpl implements NotebookService {
 
     @Override
     public void updateNotebook(Notebook notebook) {
-        if (userService.checkUserIdExist(notebook.getUserId())) {
+        if (userService.isUserIdNoteExist(notebook.getUserId())) {
             throw new ServiceException("用户不存在");
         }
 
@@ -112,7 +112,7 @@ public class NotebookServiceImpl implements NotebookService {
      */
     @Override
     public List<Notebook> getNotebookListByUserId(Long userId) {
-        if (userService.checkUserIdExist(userId)) {
+        if (userService.isUserIdNoteExist(userId)) {
             throw new ServiceException("用户不存在");
         }
 
diff --git a/src/main/java/asia/yulinling/workflow/service/impl/UserServiceImpl.java b/src/main/java/asia/yulinling/workflow/service/impl/UserServiceImpl.java
index 6f07bc4..ffe6ca5 100644
--- a/src/main/java/asia/yulinling/workflow/service/impl/UserServiceImpl.java
+++ b/src/main/java/asia/yulinling/workflow/service/impl/UserServiceImpl.java
@@ -56,7 +56,7 @@ public class UserServiceImpl implements UserService {
      * @return 结果
      */
     @Override
-    public boolean checkUserIdExist(Long userId) {
+    public boolean isUserIdNoteExist(Long userId) {
         return !userMapper.exists(new LambdaQueryWrapper<User>().eq(User::getId, userId));
     }