diff --git a/Jenkinsfile b/Jenkinsfile
index 9944ccf..042e929 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -171,7 +171,7 @@ pipeline {
 
 // 生成Dockerfile内容的函数
 def getDockerfileContent(serviceDir) {
-    return """FROM eclipse-temurin:21-jdk
+    return """FROM eclipse-temurin:21.0.2_13-jdk-alpine
     VOLUME /tmp
     COPY target/*.jar app.jar
     EXPOSE 8080
diff --git a/deploy/update_story_permission_invite.sql b/deploy/update_story_permission_invite.sql
new file mode 100644
index 0000000..172f25c
--- /dev/null
+++ b/deploy/update_story_permission_invite.sql
@@ -0,0 +1,2 @@
+ALTER TABLE `story_permission`
+ADD COLUMN `invite_status` int DEFAULT 0 COMMENT '邀请状态: 0-待处理, 1-已接受, 2-已拒绝';
\ No newline at end of file
diff --git a/timeline-component-common/src/main/java/com/timeline/common/response/ResponseEntity.java b/timeline-component-common/src/main/java/com/timeline/common/response/ResponseEntity.java
index 321517b..f6d11e9 100644
--- a/timeline-component-common/src/main/java/com/timeline/common/response/ResponseEntity.java
+++ b/timeline-component-common/src/main/java/com/timeline/common/response/ResponseEntity.java
@@ -25,4 +25,8 @@ public class ResponseEntity<T> {
     public static <T> ResponseEntity<T> error(ResponseEnum responseEnum, String detailMessage) {
         return new ResponseEntity<>(responseEnum.getCode(), responseEnum.getMessage() + ": " + detailMessage, null);
     }
+
+    public static <T> ResponseEntity<T> error(String message) {
+        return new ResponseEntity<>(ResponseEnum.BAD_REQUEST.getCode(), message, null);
+    }
 }
diff --git a/timeline-file-service/Dockerfile b/timeline-file-service/Dockerfile
index daa8b1d..28ebbc5 100644
--- a/timeline-file-service/Dockerfile
+++ b/timeline-file-service/Dockerfile
@@ -1,4 +1,4 @@
-FROM eclipse-temurin:21-jdk
+FROM eclipse-temurin:21.0.2_13-jdk-alpine
 VOLUME /tmp
 COPY target/*.jar app.jar
 EXPOSE 30002
diff --git a/timeline-file-service/pom.xml b/timeline-file-service/pom.xml
index 7ef3967..33b8747 100644
--- a/timeline-file-service/pom.xml
+++ b/timeline-file-service/pom.xml
@@ -50,6 +50,13 @@
             <artifactId>thumbnailator</artifactId>
             <version>0.4.17</version>
         </dependency>
+        
+        <!-- EXIF 元数据解析库 -->
+        <dependency>
+            <groupId>com.drewnoakes</groupId>
+            <artifactId>metadata-extractor</artifactId>
+            <version>2.19.0</version>
+        </dependency>
         <!--<dependency>
             <groupId>org.springframework.cloud</groupId>
             <artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
diff --git a/timeline-file-service/src/main/java/com/timeline/file/controller/FileController.java b/timeline-file-service/src/main/java/com/timeline/file/controller/FileController.java
index b1d24bb..24d4ac7 100644
--- a/timeline-file-service/src/main/java/com/timeline/file/controller/FileController.java
+++ b/timeline-file-service/src/main/java/com/timeline/file/controller/FileController.java
@@ -1,6 +1,8 @@
 package com.timeline.file.controller;
 
+import com.timeline.file.service.ExifParserService;
 import com.timeline.file.service.FileService;
+import com.timeline.file.vo.ExifInfoVo;
 import com.timeline.file.vo.ImageInfoVo;
 import com.timeline.common.response.ResponseEntity;
 import com.timeline.common.utils.UserContextUtils;
@@ -25,6 +27,9 @@ public class FileController {
     @Autowired
     private FileService fileService;
 
+    @Autowired
+    private ExifParserService exifParserService;
+
     @GetMapping("/hello")
     public String hello() {
         return "file service hello";
@@ -196,4 +201,26 @@ public class FileController {
         fileService.deleteImage(imageInstanceId);
         return ResponseEntity.success("图片已删除");
     }
+
+    /**
+     * 解析图片 EXIF 信息
+     * 
+     * 功能描述：
+     * 解析上传图片的 EXIF 元数据，提取拍摄时间、GPS 坐标等信息。
+     * 用于前端自动填充时间线节点的时间和地点字段。
+     * 
+     * 使用场景：
+     * 1. 用户上传图片后，前端调用此接口获取 EXIF 信息
+     * 2. 前端根据返回的时间自动填充节点时间
+     * 3. 前端根据返回的地址自动填充节点地点
+     * 
+     * @param file 图片文件
+     * @return EXIF 信息对象
+     */
+    @PostMapping("/exif")
+    public ResponseEntity<ExifInfoVo> parseExif(@RequestPart("file") MultipartFile file) {
+        log.info("解析图片 EXIF 信息: {}", file.getOriginalFilename());
+        ExifInfoVo exifInfo = exifParserService.parseExif(file);
+        return ResponseEntity.success(exifInfo);
+    }
 }
diff --git a/timeline-file-service/src/main/java/com/timeline/file/service/ExifParserService.java b/timeline-file-service/src/main/java/com/timeline/file/service/ExifParserService.java
new file mode 100644
index 0000000..8aa6efe
--- /dev/null
+++ b/timeline-file-service/src/main/java/com/timeline/file/service/ExifParserService.java
@@ -0,0 +1,75 @@
+package com.timeline.file.service;
+
+import com.timeline.file.vo.ExifInfoVo;
+import org.springframework.web.multipart.MultipartFile;
+
+/**
+ * ExifParserService - EXIF 信息解析服务接口
+ * 
+ * 功能描述：
+ * 解析图片文件中的 EXIF 元数据，提取拍摄时间、GPS 坐标等信息。
+ * 用于自动填充时间线节点的时间和地点字段。
+ * 
+ * 支持的 EXIF 标签：
+ * - DateTimeOriginal: 原始拍摄时间
+ * - GPSLatitude/GPSLongitude: GPS 坐标
+ * - Make/Model: 相机厂商和型号
+ * - Orientation: 图片方向
+ * 
+ * @author Timeline Team
+ * @date 2024
+ */
+public interface ExifParserService {
+
+  /**
+   * 解析图片文件的 EXIF 信息
+   * 
+   * 功能描述：
+   * 读取图片文件的 EXIF 元数据，提取以下信息：
+   * 1. 拍摄时间（DateTimeOriginal）
+   * 2. GPS 坐标（经纬度）
+   * 3. 相机信息（厂商、型号）
+   * 4. 图片尺寸
+   * 
+   * @param file 图片文件
+   * @return EXIF 信息对象，如果解析失败返回 null
+   */
+  ExifInfoVo parseExif(MultipartFile file);
+
+  /**
+   * 解析图片文件的 EXIF 信息（通过文件路径）
+   * 
+   * @param filePath 文件路径
+   * @return EXIF 信息对象
+   */
+  ExifInfoVo parseExifByPath(String filePath);
+
+  /**
+   * 根据 GPS 坐标获取地址信息
+   * 
+   * 功能描述：
+   * 调用逆地理编码服务，将 GPS 坐标转换为可读的地址字符串。
+   * 支持多种逆地理编码服务：
+   * - 高德地图 API
+   * - 百度地图 API
+   * - Google Maps API
+   * 
+   * @param latitude  纬度
+   * @param longitude 经度
+   * @return 地址字符串，如果转换失败返回 null
+   */
+  String getAddressFromGps(double latitude, double longitude);
+
+  /**
+   * 将 GPS 坐标从度分秒格式转换为十进制格式
+   * 
+   * 背景知识：
+   * EXIF 中的 GPS 坐标通常以度分秒（DMS）格式存储，
+   * 需要转换为十进制格式才能用于地图服务。
+   * 
+   * @param dms 度分秒格式的坐标数组 [度, 分, 秒]
+   * @param ref 方向参考 (N/S/E/W)
+   * @return 十进制坐标
+   */
+  double convertGpsToDecimal(double[] dms, String ref);
+}
diff --git a/timeline-file-service/src/main/java/com/timeline/file/service/SmartFillService.java b/timeline-file-service/src/main/java/com/timeline/file/service/SmartFillService.java
new file mode 100644
index 0000000..9aa773a
--- /dev/null
+++ b/timeline-file-service/src/main/java/com/timeline/file/service/SmartFillService.java
@@ -0,0 +1,117 @@
+package com.timeline.file.service;
+
+import com.timeline.file.vo.ExifInfoVo;
+import com.timeline.file.vo.SmartFillResultVo;
+
+import java.util.List;
+
+import org.springframework.web.multipart.MultipartFile;
+
+/**
+ * SmartFillService - 智能填充服务接口
+ * 
+ * 功能描述：
+ * 基于 AI 和元数据，智能推断和填充时间线节点信息。
+ * 
+ * 功能列表：
+ * - 从图片 EXIF 提取时间和地点
+ * - 从文件名推断时间
+ * - 批量智能填充
+ * - 智能标签推荐
+ * 
+ * @author Timeline Team
+ * @date 2024
+ */
+public interface SmartFillService {
+
+    /**
+     * 智能分析单个文件
+     * 
+     * 功能描述：
+     * 综合分析文件的各种信息源，智能推断时间和地点：
+     * 1. 优先使用 EXIF 元数据
+     * 2. 备选使用文件修改时间
+     * 3. 从文件名提取时间信息
+     * 4. GPS 坐标转换为地址
+     * 
+     * @param file 文件
+     * @return 智能填充结果
+     */
+    SmartFillResultVo analyzeFile(MultipartFile file);
+
+    /**
+     * 批量智能分析文件
+     * 
+     * @param files 文件列表
+     * @return 智能填充结果列表
+     */
+    List<SmartFillResultVo> analyzeFiles(List<MultipartFile> files);
+
+    /**
+     * 从文件名推断时间
+     * 
+     * 支持的文件名格式：
+     * - IMG_20240115_123456.jpg
+     * - 2024-01-15_12-30-00.jpg
+     * - 20240115123000.jpg
+     * - Screenshot_20240115-123000.png
+     * 
+     * @param fileName 文件名
+     * @return 推断的时间，如果无法推断返回 null
+     */
+    String inferTimeFromFileName(String fileName);
+
+    /**
+     * 根据已有数据推断时间
+     * 
+     * 功能描述：
+     * 当单个数据源不完整时，结合多个数据源进行推断：
+     * - EXIF 时间
+     * - 文件修改时间
+     * - 文件名时间
+     * - 相邻文件时间（批量上传时）
+     * 
+     * @param exifInfo EXIF 信息
+     * @param fileName 文件名
+     * @param fileModifiedTime 文件修改时间
+     * @param neighborTimes 相邻文件时间列表（可选）
+     * @return 推断的时间
+     */
+    String inferTime(ExifInfoVo exifInfo, String fileName, String fileModifiedTime, List<String> neighborTimes);
+
+    /**
+     * 智能标签推荐
+     * 
+     * 功能描述：
+     * 根据图片内容和已有信息，推荐相关标签。
+     * 
+     * @param file 图片文件
+     * @param existingTags 已有标签
+     * @return 推荐的标签列表
+     */
+    List<String> recommendTags(MultipartFile file, List<String> existingTags);
+
+    /**
+     * 智能标题生成
+     * 
+     * 功能描述：
+     * 根据时间、地点等信息，生成建议的标题。
+     * 
+     * @param time 时间
+     * @param location 地点
+     * @return 建议的标题
+     */
+    String generateTitle(String time, String location);
+
+    /**
+     * 批量智能填充
+     * 
+     * 功能描述：
+     * 对批量上传的文件进行智能分析，并自动填充时间和地点。
+     * 
+     * @param files 文件列表
+     * @param autoApply 是否自动应用结果
+     * @return 智能填充结果列表
+     */
+    List<SmartFillResultVo> batchSmartFill(List<MultipartFile> files, boolean autoApply);
+}
diff --git a/timeline-file-service/src/main/java/com/timeline/file/service/impl/ExifParserServiceImpl.java b/timeline-file-service/src/main/java/com/timeline/file/service/impl/ExifParserServiceImpl.java
new file mode 100644
index 0000000..097fa19
--- /dev/null
+++ b/timeline-file-service/src/main/java/com/timeline/file/service/impl/ExifParserServiceImpl.java
@@ -0,0 +1,222 @@
+package com.timeline.file.service.impl;
+
+import com.drew.imaging.ImageMetadataReader;
+import com.drew.imaging.ImageProcessingException;
+import com.drew.lang.GeoLocation;
+import com.drew.metadata.Metadata;
+import com.drew.metadata.exif.ExifIFD0Directory;
+import com.drew.metadata.exif.ExifSubIFDDirectory;
+import com.drew.metadata.exif.GpsDirectory;
+import com.timeline.file.service.ExifParserService;
+import com.timeline.file.vo.ExifInfoVo;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Service;
+import org.springframework.web.multipart.MultipartFile;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.time.LocalDateTime;
+import java.time.ZoneId;
+import java.util.Date;
+
+/**
+ * ExifParserServiceImpl - EXIF 信息解析服务实现
+ * 
+ * 功能描述：
+ * 使用 metadata-extractor 库解析图片文件的 EXIF 元数据。
+ * 支持常见的图片格式：JPEG, TIFF, PNG, GIF, BMP 等。
+ * 
+ * 技术方案：
+ * - 使用 metadata-extractor 库读取 EXIF 标签
+ * - 支持从 MultipartFile 和文件路径两种方式读取
+ * - GPS 坐标自动转换为十进制格式
+ * 
+ * 依赖说明：
+ * 需要在 pom.xml 中添加 metadata-extractor 依赖：
+ * <dependency>
+ * <groupId>com.drewnoakes</groupId>
+ * <artifactId>metadata-extractor</artifactId>
+ * <version>2.19.0</version>
+ * </dependency>
+ * 
+ * @author Timeline Team
+ * @date 2024
+ */
+@Slf4j
+@Service
+public class ExifParserServiceImpl implements ExifParserService {
+
+  /**
+   * 是否启用逆地理编码
+   * 可通过配置文件设置
+   */
+  @Value("${exif.geocoding.enabled:false}")
+  private boolean geocodingEnabled;
+
+  /**
+   * 逆地理编码 API Key
+   */
+  @Value("${exif.geocoding.api-key:}")
+  private String geocodingApiKey;
+
+  @Override
+  public ExifInfoVo parseExif(MultipartFile file) {
+    ExifInfoVo exifInfo = new ExifInfoVo();
+    exifInfo.setHasExif(false);
+
+    try (InputStream inputStream = file.getInputStream()) {
+      Metadata metadata = ImageMetadataReader.readMetadata(inputStream);
+      extractMetadata(metadata, exifInfo);
+      exifInfo.setHasExif(true);
+    } catch (ImageProcessingException e) {
+      log.warn("图片 EXIF 解析失败: {}", e.getMessage());
+    } catch (IOException e) {
+      log.error("读取图片文件失败: {}", e.getMessage());
+    }
+
+    return exifInfo;
+  }
+
+  @Override
+  public ExifInfoVo parseExifByPath(String filePath) {
+    ExifInfoVo exifInfo = new ExifInfoVo();
+    exifInfo.setHasExif(false);
+
+    try {
+      File file = new File(filePath);
+      Metadata metadata = ImageMetadataReader.readMetadata(file);
+      extractMetadata(metadata, exifInfo);
+      exifInfo.setHasExif(true);
+    } catch (ImageProcessingException e) {
+      log.warn("图片 EXIF 解析失败: {}", e.getMessage());
+    } catch (IOException e) {
+      log.error("读取图片文件失败: {}", e.getMessage());
+    }
+
+    return exifInfo;
+  }
+
+  /**
+   * 从 Metadata 对象中提取 EXIF 信息
+   * 
+   * 提取顺序：
+   * 1. ExifSubIFDDirectory - 包含拍摄时间、相机设置等
+   * 2. ExifIFD0Directory - 包含相机型号、方向等
+   * 3. GpsDirectory - 包含 GPS 坐标
+   * 4. FileMetadataDirectory - 包含文件基本信息
+   */
+  private void extractMetadata(Metadata metadata, ExifInfoVo exifInfo) {
+    // 提取 ExifSubIFDDirectory 信息
+    ExifSubIFDDirectory subIfdDir = metadata.getFirstDirectoryOfType(ExifSubIFDDirectory.class);
+    if (subIfdDir != null) {
+      // 原始拍摄时间
+      Date dateOriginal = subIfdDir.getDate(ExifSubIFDDirectory.TAG_DATETIME_ORIGINAL);
+      if (dateOriginal != null) {
+        exifInfo.setDateTimeOriginal(convertToLocalDateTime(dateOriginal));
+      }
+
+      // ISO 感光度
+      exifInfo.setIso(subIfdDir.getInteger(ExifSubIFDDirectory.TAG_ISO_EQUIVALENT));
+
+      // 光圈值
+      exifInfo.setAperture(subIfdDir.getDoubleObject(ExifSubIFDDirectory.TAG_APERTURE));
+
+      // 曝光时间
+      String exposureTime = subIfdDir.getString(ExifSubIFDDirectory.TAG_EXPOSURE_TIME);
+      exifInfo.setExposureTime(exposureTime);
+
+      // 焦距
+      exifInfo.setFocalLength(subIfdDir.getDoubleObject(ExifSubIFDDirectory.TAG_FOCAL_LENGTH));
+    }
+
+    // 提取 ExifIFD0Directory 信息
+    ExifIFD0Directory ifd0Dir = metadata.getFirstDirectoryOfType(ExifIFD0Directory.class);
+    if (ifd0Dir != null) {
+      // 相机厂商
+      exifInfo.setMake(ifd0Dir.getString(ExifIFD0Directory.TAG_MAKE));
+
+      // 相机型号
+      exifInfo.setModel(ifd0Dir.getString(ExifIFD0Directory.TAG_MODEL));
+
+      // 图片方向
+      exifInfo.setOrientation(ifd0Dir.getInteger(ExifIFD0Directory.TAG_ORIENTATION));
+
+      // 图片尺寸
+      exifInfo.setWidth(ifd0Dir.getInteger(ExifIFD0Directory.TAG_IMAGE_WIDTH));
+      exifInfo.setHeight(ifd0Dir.getInteger(ExifIFD0Directory.TAG_IMAGE_HEIGHT));
+    }
+
+    // 提取 GPS 信息
+    GpsDirectory gpsDir = metadata.getFirstDirectoryOfType(GpsDirectory.class);
+    if (gpsDir != null) {
+      GeoLocation geoLocation = gpsDir.getGeoLocation();
+      if (geoLocation != null) {
+        exifInfo.setLatitude(geoLocation.getLatitude());
+        exifInfo.setLongitude(geoLocation.getLongitude());
+
+        // 如果启用了逆地理编码，获取地址
+        if (geocodingEnabled && exifInfo.getLatitude() != null && exifInfo.getLongitude() != null) {
+          String address = getAddressFromGps(exifInfo.getLatitude(), exifInfo.getLongitude());
+          exifInfo.setAddress(address);
+        }
+      }
+    }
+
+    // 如果没有原始拍摄时间，使用文件修改时间
+    if (exifInfo.getDateTimeOriginal() == null) {
+      // 尝试从其他目录获取时间信息
+      for (var directory : metadata.getDirectories()) {
+        if (directory != null) {
+          Date date = directory.getDate(0x0132); // DateTime tag
+          if (date != null) {
+            exifInfo.setDateTime(convertToLocalDateTime(date));
+            break;
+          }
+        }
+      }
+    }
+  }
+
+  @Override
+  public String getAddressFromGps(double latitude, double longitude) {
+    // TODO: 实现逆地理编码
+    // 可以集成高德地图、百度地图或 Google Maps API
+    // 示例：调用第三方 API 获取地址
+    log.info("逆地理编码: lat={}, lng={}", latitude, longitude);
+
+    // 暂时返回空，实际项目中应调用地图 API
+    return null;
+  }
+
+  @Override
+  public double convertGpsToDecimal(double[] dms, String ref) {
+    if (dms == null || dms.length < 3) {
+      return 0;
+    }
+
+    double degrees = dms[0];
+    double minutes = dms[1];
+    double seconds = dms[2];
+
+    double decimal = degrees + (minutes / 60.0) + (seconds / 3600.0);
+
+    // 南纬和西经为负数
+    if ("S".equalsIgnoreCase(ref) || "W".equalsIgnoreCase(ref)) {
+      decimal = -decimal;
+    }
+
+    return decimal;
+  }
+
+  /**
+   * 将 Date 转换为 LocalDateTime
+   */
+  private LocalDateTime convertToLocalDateTime(Date date) {
+    if (date == null) {
+      return null;
+    }
+    return LocalDateTime.ofInstant(date.toInstant(), ZoneId.systemDefault());
+  }
+}
diff --git a/timeline-file-service/src/main/java/com/timeline/file/service/impl/SmartFillServiceImpl.java b/timeline-file-service/src/main/java/com/timeline/file/service/impl/SmartFillServiceImpl.java
new file mode 100644
index 0000000..a581fef
--- /dev/null
+++ b/timeline-file-service/src/main/java/com/timeline/file/service/impl/SmartFillServiceImpl.java
@@ -0,0 +1,284 @@
+package com.timeline.file.service.impl;
+
+import com.timeline.file.service.ExifParserService;
+import com.timeline.file.service.SmartFillService;
+import com.timeline.file.vo.ExifInfoVo;
+import com.timeline.file.vo.SmartFillResultVo;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.springframework.web.multipart.MultipartFile;
+
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * SmartFillServiceImpl - 智能填充服务实现
+ * 
+ * 功能描述：
+ * 实现智能时间推断和填充功能。
+ * 
+ * 技术方案：
+ * 1. 优先级：EXIF > 文件名 > 文件修改时间
+ * 2. 时间格式识别：支持多种常见格式
+ * 3. GPS 地址转换：调用逆地理编码服务
+ * 
+ * @author Timeline Team
+ * @date 2024
+ */
+@Slf4j
+@Service
+public class SmartFillServiceImpl implements SmartFillService {
+
+    @Autowired
+    private ExifParserService exifParserService;
+
+    /**
+     * 文件名时间格式正则表达式列表
+     * 按优先级排序
+     */
+    private static final List<Pattern> TIME_PATTERNS = List.of(
+            // IMG_20240115_123456.jpg
+            Pattern.compile("(\\d{4})(\\d{2})(\\d{2})[_-](\\d{2})(\\d{2})(\\d{2})"),
+            // 2024-01-15_12-30-00.jpg
+            Pattern.compile("(\\d{4})[-_](\\d{2})[-_](\\d{2})[_-](\\d{2})[-_](\\d{2})[-_](\\d{2})"),
+            // Screenshot_20240115-123000.png
+            Pattern.compile("Screenshot[_-]?(\\d{4})(\\d{2})(\\d{2})[_-](\\d{2})(\\d{2})(\\d{2})"),
+            // 20240115123000.jpg
+            Pattern.compile("(\\d{4})(\\d{2})(\\d{2})(\\d{2})(\\d{2})(\\d{2})"),
+            // 20240115.jpg (仅日期)
+            Pattern.compile("(\\d{4})(\\d{2})(\\d{2})")
+    );
+
+    @Override
+    public SmartFillResultVo analyzeFile(MultipartFile file) {
+        SmartFillResultVo result = new SmartFillResultVo();
+        result.setFileName(file.getOriginalFilename());
+        result.setSuccess(false);
+
+        try {
+            // 1. 解析 EXIF 信息
+            ExifInfoVo exifInfo = exifParserService.parseExif(file);
+            result.setExifInfo(exifInfo);
+
+            // 2. 推断时间
+            inferTimeForResult(result, exifInfo, file.getOriginalFilename());
+
+            // 3. 推断地点
+            inferLocationForResult(result, exifInfo);
+
+            // 4. 生成建议标题
+            if (result.getInferredTime() != null || result.getInferredLocation() != null) {
+                result.setSuggestedTitle(generateTitle(
+                        result.getInferredTime() != null ? result.getInferredTime().toString() : null,
+                        result.getInferredLocation()
+                ));
+            }
+
+            result.setSuccess(true);
+        } catch (Exception e) {
+            log.error("智能分析文件失败: {}", file.getOriginalFilename(), e);
+            result.setErrorMessage("分析失败: " + e.getMessage());
+        }
+
+        return result;
+    }
+
+    @Override
+    public List<SmartFillResultVo> analyzeFiles(List<MultipartFile> files) {
+        List<SmartFillResultVo> results = new ArrayList<>();
+        
+        for (MultipartFile file : files) {
+            results.add(analyzeFile(file));
+        }
+        
+        return results;
+    }
+
+    @Override
+    public String inferTimeFromFileName(String fileName) {
+        if (fileName == null || fileName.isEmpty()) {
+            return null;
+        }
+
+        for (Pattern pattern : TIME_PATTERNS) {
+            Matcher matcher = pattern.matcher(fileName);
+            if (matcher.find()) {
+                try {
+                    int year = Integer.parseInt(matcher.group(1));
+                    int month = Integer.parseInt(matcher.group(2));
+                    int day = Integer.parseInt(matcher.group(3));
+                    
+                    // 检查日期有效性
+                    if (month < 1 || month > 12 || day < 1 || day > 31) {
+                        continue;
+                    }
+                    
+                    // 如果有时间信息
+                    if (matcher.groupCount() >= 6) {
+                        int hour = Integer.parseInt(matcher.group(4));
+                        int minute = Integer.parseInt(matcher.group(5));
+                        int second = Integer.parseInt(matcher.group(6));
+                        
+                        if (hour < 0 || hour > 23 || minute < 0 || minute > 59 || second < 0 || second > 59) {
+                            continue;
+                        }
+                        
+                        return String.format("%04d-%02d-%02d %02d:%02d:%02d", year, month, day, hour, minute, second);
+                    } else {
+                        // 仅日期
+                        return String.format("%04d-%02d-%02d 00:00:00", year, month, day);
+                    }
+                } catch (NumberFormatException e) {
+                    continue;
+                }
+            }
+        }
+        
+        return null;
+    }
+
+    @Override
+    public String inferTime(ExifInfoVo exifInfo, String fileName, String fileModifiedTime, List<String> neighborTimes) {
+        // 优先级1: EXIF 原始拍摄时间
+        if (exifInfo != null && exifInfo.getDateTimeOriginal() != null) {
+            return exifInfo.getDateTimeOriginal().toString();
+        }
+        
+        // 优先级2: 文件名推断
+        String fileNameTime = inferTimeFromFileName(fileName);
+        if (fileNameTime != null) {
+            return fileNameTime;
+        }
+        
+        // 优先级3: 文件修改时间
+        if (fileModifiedTime != null) {
+            return fileModifiedTime;
+        }
+        
+        // 优先级4: 相邻文件时间（取中位数）
+        if (neighborTimes != null && !neighborTimes.isEmpty()) {
+            return neighborTimes.get(neighborTimes.size() / 2);
+        }
+        
+        return null;
+    }
+
+    @Override
+    public List<String> recommendTags(MultipartFile file, List<String> existingTags) {
+        List<String> recommendedTags = new ArrayList<>();
+        
+        // 基于文件名推荐
+        String fileName = file.getOriginalFilename();
+        if (fileName != null) {
+            String lowerName = fileName.toLowerCase();
+            
+            if (lowerName.contains("screenshot")) {
+                recommendedTags.add("截图");
+            }
+            if (lowerName.contains("photo") || lowerName.contains("img")) {
+                recommendedTags.add("照片");
+            }
+            if (lowerName.contains("video")) {
+                recommendedTags.add("视频");
+            }
+        }
+        
+        // TODO: 集成 AI 服务进行内容识别
+        
+        // 过滤已存在的标签
+        if (existingTags != null) {
+            recommendedTags.removeAll(existingTags);
+        }
+        
+        return recommendedTags;
+    }
+
+    @Override
+    public String generateTitle(String time, String location) {
+        StringBuilder title = new StringBuilder();
+        
+        if (time != null) {
+            try {
+                LocalDateTime dateTime = LocalDateTime.parse(time.replace(" ", "T"));
+                title.append(dateTime.format(DateTimeFormatter.ofPattern("yyyy年M月d日")));
+            } catch (Exception e) {
+                // 忽略解析错误
+            }
+        }
+        
+        if (location != null && !location.isEmpty()) {
+            if (title.length() > 0) {
+                title.append(" · ");
+            }
+            title.append(location);
+        }
+        
+        return title.length() > 0 ? title.toString() : "未命名时刻";
+    }
+
+    @Override
+    public List<SmartFillResultVo> batchSmartFill(List<MultipartFile> files, boolean autoApply) {
+        List<SmartFillResultVo> results = analyzeFiles(files);
+        
+        if (autoApply) {
+            // TODO: 自动应用填充结果
+        }
+        
+        return results;
+    }
+
+    /**
+     * 为结果对象推断时间
+     */
+    private void inferTimeForResult(SmartFillResultVo result, ExifInfoVo exifInfo, String fileName) {
+        // 优先级1: EXIF 原始拍摄时间
+        if (exifInfo != null && exifInfo.getDateTimeOriginal() != null) {
+            result.setInferredTime(exifInfo.getDateTimeOriginal());
+            result.setTimeSource("EXIF");
+            result.setTimeConfidence(95);
+            return;
+        }
+        
+        // 优先级2: EXIF 修改时间
+        if (exifInfo != null && exifInfo.getDateTime() != null) {
+            result.setInferredTime(exifInfo.getDateTime());
+            result.setTimeSource("EXIF_MODIFIED");
+            result.setTimeConfidence(70);
+            return;
+        }
+        
+        // 优先级3: 文件名推断
+        String fileNameTime = inferTimeFromFileName(fileName);
+        if (fileNameTime != null) {
+            result.setInferredTime(LocalDateTime.parse(fileNameTime.replace(" ", "T")));
+            result.setTimeSource("FILE_NAME");
+            result.setTimeConfidence(60);
+            return;
+        }
+        
+        // 无法推断
+        result.setTimeConfidence(0);
+    }
+
+    /**
+     * 为结果对象推断地点
+     */
+    private void inferLocationForResult(SmartFillResultVo result, ExifInfoVo exifInfo) {
+        if (exifInfo != null && exifInfo.getLatitude() != null && exifInfo.getLongitude() != null) {
+            result.setLatitude(exifInfo.getLatitude());
+            result.setLongitude(exifInfo.getLongitude());
+            result.setLocationSource("EXIF_GPS");
+            result.setLocationConfidence(90);
+            
+            // 如果已有地址信息
+            if (exifInfo.getAddress() != null) {
+                result.setInferredLocation(exifInfo.getAddress());
+            }
+        }
+    }
+}
diff --git a/timeline-file-service/src/main/java/com/timeline/file/vo/ExifInfoVo.java b/timeline-file-service/src/main/java/com/timeline/file/vo/ExifInfoVo.java
new file mode 100644
index 0000000..2e64fab
--- /dev/null
+++ b/timeline-file-service/src/main/java/com/timeline/file/vo/ExifInfoVo.java
@@ -0,0 +1,116 @@
+package com.timeline.file.vo;
+
+import com.fasterxml.jackson.annotation.JsonFormat;
+import lombok.Data;
+
+import java.time.LocalDateTime;
+
+/**
+ * ExifInfoVo - EXIF 信息值对象
+ * 
+ * 功能描述：
+ * 封装从图片文件中提取的 EXIF 元数据信息。
+ * 用于前端展示和自动填充时间线节点字段。
+ * 
+ * 字段说明：
+ * - dateTimeOriginal: 原始拍摄时间，优先级最高
+ * - dateTime: 文件修改时间，作为备选
+ * - latitude/longitude: GPS 坐标
+ * - address: 根据坐标解析的地址
+ * - make/model: 相机信息
+ * - orientation: 图片方向（用于自动旋转）
+ * 
+ * @author Timeline Team
+ * @date 2024
+ */
+@Data
+public class ExifInfoVo {
+
+  /**
+   * 原始拍摄时间
+   * 来自 EXIF 标签 DateTimeOriginal (0x9003)
+   */
+  @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss")
+  private LocalDateTime dateTimeOriginal;
+
+  /**
+   * 文件修改时间
+   * 当没有 EXIF 时间时作为备选
+   */
+  @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss")
+  private LocalDateTime dateTime;
+
+  /**
+   * GPS 纬度
+   * 十进制格式，正数表示北纬，负数表示南纬
+   */
+  private Double latitude;
+
+  /**
+   * GPS 经度
+   * 十进制格式，正数表示东经，负数表示西经
+   */
+  private Double longitude;
+
+  /**
+   * 地址信息
+   * 根据经纬度逆地理编码获得
+   */
+  private String address;
+
+  /**
+   * 相机厂商
+   * 来自 EXIF 标签 Make (0x010F)
+   */
+  private String make;
+
+  /**
+   * 相机型号
+   * 来自 EXIF 标签 Model (0x0110)
+   */
+  private String model;
+
+  /**
+   * 图片方向
+   * 1: 正常
+   * 3: 旋转180度
+   * 6: 顺时针旋转90度
+   * 8: 逆时针旋转90度
+   */
+  private Integer orientation;
+
+  /**
+   * 图片宽度（像素）
+   */
+  private Integer width;
+
+  /**
+   * 图片高度（像素）
+   */
+  private Integer height;
+
+  /**
+   * 是否包含有效的 EXIF 数据
+   */
+  private Boolean hasExif;
+
+  /**
+   * ISO 感光度
+   */
+  private Integer iso;
+
+  /**
+   * 光圈值
+   */
+  private Double aperture;
+
+  /**
+   * 曝光时间
+   */
+  private String exposureTime;
+
+  /**
+   * 焦距
+   */
+  private Double focalLength;
+}
diff --git a/timeline-file-service/src/main/java/com/timeline/file/vo/ImageInfoVo.java b/timeline-file-service/src/main/java/com/timeline/file/vo/ImageInfoVo.java
index b0e0ae8..025190b 100644
--- a/timeline-file-service/src/main/java/com/timeline/file/vo/ImageInfoVo.java
+++ b/timeline-file-service/src/main/java/com/timeline/file/vo/ImageInfoVo.java
@@ -2,8 +2,10 @@ package com.timeline.file.vo;
 
 import com.timeline.common.vo.CommonVo;
 import lombok.Data;
+import lombok.EqualsAndHashCode;
 
 @Data
+@EqualsAndHashCode(callSuper = false)
 public class ImageInfoVo extends CommonVo {
     private String objectKey;
     private String imageName;
diff --git a/timeline-file-service/src/main/java/com/timeline/file/vo/SmartFillResultVo.java b/timeline-file-service/src/main/java/com/timeline/file/vo/SmartFillResultVo.java
new file mode 100644
index 0000000..9b439a0
--- /dev/null
+++ b/timeline-file-service/src/main/java/com/timeline/file/vo/SmartFillResultVo.java
@@ -0,0 +1,92 @@
+package com.timeline.file.vo;
+
+import lombok.Data;
+
+import java.time.LocalDateTime;
+import java.util.List;
+
+/**
+ * SmartFillResultVo - 智能填充结果值对象
+ * 
+ * 功能描述：
+ * 封装智能分析的结果，包含推断的时间和地点信息。
+ * 用于前端展示智能填充建议。
+ * 
+ * @author Timeline Team
+ * @date 2024
+ */
+@Data
+public class SmartFillResultVo {
+
+    /**
+     * 文件名
+     */
+    private String fileName;
+
+    /**
+     * 推断的时间
+     */
+    private LocalDateTime inferredTime;
+
+    /**
+     * 时间来源
+     * EXIF/FILE_NAME/FILE_MODIFIED/NEIGHBOR
+     */
+    private String timeSource;
+
+    /**
+     * 时间推断置信度 (0-100)
+     */
+    private Integer timeConfidence;
+
+    /**
+     * 推断的地点
+     */
+    private String inferredLocation;
+
+    /**
+     * 地点来源
+     * EXIF_GPS/MANUAL
+     */
+    private String locationSource;
+
+    /**
+     * 地点推断置信度 (0-100)
+     */
+    private Integer locationConfidence;
+
+    /**
+     * GPS 纬度
+     */
+    private Double latitude;
+
+    /**
+     * GPS 经度
+     */
+    private Double longitude;
+
+    /**
+     * 推荐的标签
+     */
+    private List<String> recommendedTags;
+
+    /**
+     * 建议的标题
+     */
+    private String suggestedTitle;
+
+    /**
+     * 原始 EXIF 信息
+     */
+    private ExifInfoVo exifInfo;
+
+    /**
+     * 是否成功分析
+     */
+    private Boolean success;
+
+    /**
+     * 错误信息
+     */
+    private String errorMessage;
+}
diff --git a/timeline-gateway-service/Dockerfile b/timeline-gateway-service/Dockerfile
index 83a09fe..c12cd45 100644
--- a/timeline-gateway-service/Dockerfile
+++ b/timeline-gateway-service/Dockerfile
@@ -1,4 +1,4 @@
-FROM eclipse-temurin:21-jdk
+FROM eclipse-temurin:21.0.2_13-jdk-alpine
 VOLUME /tmp
 COPY target/*.jar app.jar
 EXPOSE 30000
diff --git a/timeline-story-service/Dockerfile b/timeline-story-service/Dockerfile
index ca2c9ae..68bc1a1 100644
--- a/timeline-story-service/Dockerfile
+++ b/timeline-story-service/Dockerfile
@@ -1,4 +1,4 @@
-FROM eclipse-temurin:21-jdk
+FROM eclipse-temurin:21.0.2_13-jdk-alpine
 VOLUME /tmp
 COPY target/*.jar app.jar
 EXPOSE 30001
diff --git a/timeline-story-service/src/main/java/com/timeline/story/controller/AnalyticsController.java b/timeline-story-service/src/main/java/com/timeline/story/controller/AnalyticsController.java
new file mode 100644
index 0000000..61c7ccc
--- /dev/null
+++ b/timeline-story-service/src/main/java/com/timeline/story/controller/AnalyticsController.java
@@ -0,0 +1,195 @@
+package com.timeline.story.controller;
+
+import com.timeline.common.response.ResponseEntity;
+import com.timeline.common.utils.UserContextUtils;
+import com.timeline.story.service.AnalyticsService;
+import com.timeline.story.vo.TimelineAnalyticsVo;
+import jakarta.servlet.http.HttpServletResponse;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+
+/**
+ * AnalyticsController - 数据分析控制器
+ * 
+ * 功能描述：
+ * 提供时间线数据分析的 REST API 接口。
+ * 
+ * API 列表：
+ * - GET /story/analytics/overview: 获取总体统计
+ * - GET /story/analytics/story/{storyId}: 获取故事统计
+ * - GET /story/analytics/monthly-trend: 获取月度趋势
+ * - GET /story/analytics/top-locations: 获取热门地点
+ * - GET /story/analytics/top-tags: 获取热门标签
+ * - GET /story/analytics/yearly-report: 获取年度报告
+ * - GET /story/analytics/activity: 获取活跃度统计
+ * - GET /story/analytics/export: 导出统计数据
+ * 
+ * @author Timeline Team
+ * @date 2024
+ */
+@Slf4j
+@RestController
+@RequestMapping("/story/analytics")
+public class AnalyticsController {
+
+    @Autowired
+    private AnalyticsService analyticsService;
+
+    /**
+     * 获取用户时间线总体统计
+     * 
+     * @return 统计数据
+     */
+    @GetMapping("/overview")
+    public com.timeline.common.response.ResponseEntity<TimelineAnalyticsVo> getOverview() {
+        String userId = UserContextUtils.getCurrentUserId();
+        log.info("获取用户总体统计: userId={}", userId);
+        
+        TimelineAnalyticsVo stats = analyticsService.getOverallStats(userId);
+        return com.timeline.common.response.ResponseEntity.success(stats);
+    }
+
+    /**
+     * 获取故事统计数据
+     * 
+     * @param storyInstanceId 故事ID
+     * @return 统计数据
+     */
+    @GetMapping("/story/{storyInstanceId}")
+    public com.timeline.common.response.ResponseEntity<TimelineAnalyticsVo> getStoryStats(
+            @PathVariable String storyInstanceId) {
+        log.info("获取故事统计: storyId={}", storyInstanceId);
+        
+        TimelineAnalyticsVo stats = analyticsService.getStoryStats(storyInstanceId);
+        return com.timeline.common.response.ResponseEntity.success(stats);
+    }
+
+    /**
+     * 获取月度趋势数据
+     * 
+     * @param year 年份（可选，默认当前年）
+     * @return 月度趋势
+     */
+    @GetMapping("/monthly-trend")
+    public com.timeline.common.response.ResponseEntity<TimelineAnalyticsVo> getMonthlyTrend(
+            @RequestParam(required = false) Integer year) {
+        String userId = UserContextUtils.getCurrentUserId();
+        
+        if (year == null) {
+            year = java.time.Year.now().getValue();
+        }
+        
+        log.info("获取月度趋势: userId={}, year={}", userId, year);
+        
+        TimelineAnalyticsVo stats = analyticsService.getMonthlyTrend(userId, year);
+        return com.timeline.common.response.ResponseEntity.success(stats);
+    }
+
+    /**
+     * 获取热门地点
+     * 
+     * @param limit 返回数量（默认10）
+     * @return 热门地点列表
+     */
+    @GetMapping("/top-locations")
+    public com.timeline.common.response.ResponseEntity<TimelineAnalyticsVo> getTopLocations(
+            @RequestParam(defaultValue = "10") int limit) {
+        String userId = UserContextUtils.getCurrentUserId();
+        log.info("获取热门地点: userId={}, limit={}", userId, limit);
+        
+        TimelineAnalyticsVo stats = analyticsService.getTopLocations(userId, limit);
+        return com.timeline.common.response.ResponseEntity.success(stats);
+    }
+
+    /**
+     * 获取热门标签
+     * 
+     * @param limit 返回数量（默认10）
+     * @return 热门标签列表
+     */
+    @GetMapping("/top-tags")
+    public com.timeline.common.response.ResponseEntity<TimelineAnalyticsVo> getTopTags(
+            @RequestParam(defaultValue = "10") int limit) {
+        String userId = UserContextUtils.getCurrentUserId();
+        log.info("获取热门标签: userId={}, limit={}", userId, limit);
+        
+        TimelineAnalyticsVo stats = analyticsService.getTopTags(userId, limit);
+        return com.timeline.common.response.ResponseEntity.success(stats);
+    }
+
+    /**
+     * 获取年度报告
+     * 
+     * @param year 年份（可选，默认去年）
+     * @return 年度报告
+     */
+    @GetMapping("/yearly-report")
+    public com.timeline.common.response.ResponseEntity<TimelineAnalyticsVo.YearlyReport> getYearlyReport(
+            @RequestParam(required = false) Integer year) {
+        String userId = UserContextUtils.getCurrentUserId();
+        
+        if (year == null) {
+            year = java.time.Year.now().getValue() - 1;
+        }
+        
+        log.info("获取年度报告: userId={}, year={}", userId, year);
+        
+        TimelineAnalyticsVo.YearlyReport report = analyticsService.generateYearlyReport(userId, year);
+        return com.timeline.common.response.ResponseEntity.success(report);
+    }
+
+    /**
+     * 获取活跃度统计
+     * 
+     * @return 活跃度数据
+     */
+    @GetMapping("/activity")
+    public com.timeline.common.response.ResponseEntity<TimelineAnalyticsVo> getActivity() {
+        String userId = UserContextUtils.getCurrentUserId();
+        log.info("获取活跃度统计: userId={}", userId);
+        
+        TimelineAnalyticsVo stats = analyticsService.getActivityStats(userId);
+        return com.timeline.common.response.ResponseEntity.success(stats);
+    }
+
+    /**
+     * 获取时间分布
+     * 
+     * @return 时间分布数据
+     */
+    @GetMapping("/time-distribution")
+    public com.timeline.common.response.ResponseEntity<TimelineAnalyticsVo> getTimeDistribution() {
+        String userId = UserContextUtils.getCurrentUserId();
+        log.info("获取时间分布: userId={}", userId);
+        
+        TimelineAnalyticsVo stats = analyticsService.getTimeDistribution(userId);
+        return com.timeline.common.response.ResponseEntity.success(stats);
+    }
+
+    /**
+     * 导出统计数据
+     * 
+     * @param format 导出格式 (json/csv)
+     * @param response HTTP 响应
+     */
+    @GetMapping("/export")
+    public void exportStats(
+            @RequestParam(defaultValue = "json") String format,
+            HttpServletResponse response) {
+        String userId = UserContextUtils.getCurrentUserId();
+        log.info("导出统计数据: userId={}, format={}", userId, format);
+        
+        try {
+            byte[] data = analyticsService.exportStats(userId, format);
+            
+            String fileName = "timeline_stats_" + java.time.LocalDate.now() + "." + format;
+            response.setContentType(format.equals("csv") ? "text/csv" : "application/json");
+            response.setHeader("Content-Disposition", "attachment; filename=\"" + fileName + "\"");
+            response.getOutputStream().write(data);
+            response.getOutputStream().flush();
+        } catch (Exception e) {
+            log.error("导出统计数据失败", e);
+        }
+    }
+}
diff --git a/timeline-story-service/src/main/java/com/timeline/story/controller/CommentController.java b/timeline-story-service/src/main/java/com/timeline/story/controller/CommentController.java
new file mode 100644
index 0000000..28ada51
--- /dev/null
+++ b/timeline-story-service/src/main/java/com/timeline/story/controller/CommentController.java
@@ -0,0 +1,207 @@
+package com.timeline.story.controller;
+
+import com.timeline.common.response.ResponseEntity;
+import com.timeline.common.utils.UserContextUtils;
+import com.timeline.story.entity.StoryComment;
+import com.timeline.story.service.CommentService;
+import com.timeline.story.vo.CommentVo;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+
+/**
+ * CommentController - 评论控制器
+ * 
+ * 功能描述：
+ * 提供评论相关的 REST API 接口。
+ * 
+ * API 列表：
+ * - POST /story/comment: 发表评论
+ * - POST /story/comment/{parentId}/reply: 回复评论
+ * - DELETE /story/comment/{commentId}: 删除评论
+ * - GET /story/comment/{commentId}: 获取评论详情
+ * - GET /story/comment/list/{storyItemId}: 获取节点的评论列表
+ * - GET /story/comment/{commentId}/replies: 获取评论的回复列表
+ * - POST /story/comment/{commentId}/like: 点赞评论
+ * - DELETE /story/comment/{commentId}/like: 取消点赞
+ * 
+ * @author Timeline Team
+ * @date 2024
+ */
+@Slf4j
+@RestController
+@RequestMapping("/story/comment")
+public class CommentController {
+
+    @Autowired
+    private CommentService commentService;
+
+    /**
+     * 发表评论
+     * 
+     * @param commentVo 评论内容
+     * @return 创建的评论
+     */
+    @PostMapping
+    public ResponseEntity<CommentVo> createComment(@RequestBody CommentVo commentVo) {
+        String userId = UserContextUtils.getCurrentUserId();
+        log.info("用户 {} 发表评论: storyItemId={}", userId, commentVo.getStoryItemId());
+        
+        StoryComment comment = commentService.createComment(commentVo);
+        return ResponseEntity.success(convertToVo(comment));
+    }
+
+    /**
+     * 回复评论
+     * 
+     * @param parentId 父评论ID
+     * @param commentVo 回复内容
+     * @return 创建的回复
+     */
+    @PostMapping("/{parentId}/reply")
+    public ResponseEntity<CommentVo> replyComment(
+            @PathVariable String parentId,
+            @RequestBody CommentVo commentVo) {
+        
+        String userId = UserContextUtils.getCurrentUserId();
+        log.info("用户 {} 回复评论: parentId={}", userId, parentId);
+        
+        StoryComment comment = commentService.replyComment(parentId, commentVo);
+        return ResponseEntity.success(convertToVo(comment));
+    }
+
+    /**
+     * 删除评论
+     * 
+     * @param commentInstanceId 评论ID
+     * @return 操作结果
+     */
+    @DeleteMapping("/{commentInstanceId}")
+    public ResponseEntity<String> deleteComment(@PathVariable String commentInstanceId) {
+        String userId = UserContextUtils.getCurrentUserId();
+        log.info("用户 {} 删除评论: {}", userId, commentInstanceId);
+        
+        commentService.deleteComment(commentInstanceId);
+        return ResponseEntity.success("评论已删除");
+    }
+
+    /**
+     * 获取评论详情
+     * 
+     * @param commentInstanceId 评论ID
+     * @return 评论信息
+     */
+    @GetMapping("/{commentInstanceId}")
+    public ResponseEntity<CommentVo> getComment(@PathVariable String commentInstanceId) {
+        StoryComment comment = commentService.getCommentById(commentInstanceId);
+        return ResponseEntity.success(convertToVo(comment));
+    }
+
+    /**
+     * 获取节点的评论列表
+     * 
+     * @param storyItemId 节点ID
+     * @param pageNum 页码
+     * @param pageSize 每页数量
+     * @return 评论列表
+     */
+    @GetMapping("/list/{storyItemId}")
+    public ResponseEntity<List<CommentVo>> getComments(
+            @PathVariable String storyItemId,
+            @RequestParam(defaultValue = "1") int pageNum,
+            @RequestParam(defaultValue = "10") int pageSize) {
+        
+        log.info("获取节点评论列表: storyItemId={}", storyItemId);
+        
+        List<CommentVo> comments = commentService.getCommentsByStoryItem(storyItemId, pageNum, pageSize);
+        return ResponseEntity.success(comments);
+    }
+
+    /**
+     * 获取评论的回复列表
+     * 
+     * @param parentId 父评论ID
+     * @param pageNum 页码
+     * @param pageSize 每页数量
+     * @return 回复列表
+     */
+    @GetMapping("/{parentId}/replies")
+    public ResponseEntity<List<CommentVo>> getReplies(
+            @PathVariable String parentId,
+            @RequestParam(defaultValue = "1") int pageNum,
+            @RequestParam(defaultValue = "5") int pageSize) {
+        
+        log.info("获取评论回复列表: parentId={}", parentId);
+        
+        List<CommentVo> replies = commentService.getRepliesByComment(parentId, pageNum, pageSize);
+        return ResponseEntity.success(replies);
+    }
+
+    /**
+     * 点赞评论
+     * 
+     * @param commentInstanceId 评论ID
+     * @return 操作结果
+     */
+    @PostMapping("/{commentInstanceId}/like")
+    public ResponseEntity<String> likeComment(@PathVariable String commentInstanceId) {
+        String userId = UserContextUtils.getCurrentUserId();
+        log.info("用户 {} 点赞评论: {}", userId, commentInstanceId);
+        
+        commentService.likeComment(commentInstanceId, userId);
+        return ResponseEntity.success("点赞成功");
+    }
+
+    /**
+     * 取消点赞
+     * 
+     * @param commentInstanceId 评论ID
+     * @return 操作结果
+     */
+    @DeleteMapping("/{commentInstanceId}/like")
+    public ResponseEntity<String> unlikeComment(@PathVariable String commentInstanceId) {
+        String userId = UserContextUtils.getCurrentUserId();
+        log.info("用户 {} 取消点赞评论: {}", userId, commentInstanceId);
+        
+        commentService.unlikeComment(commentInstanceId, userId);
+        return ResponseEntity.success("取消点赞成功");
+    }
+
+    /**
+     * 获取用户的评论列表
+     * 
+     * @param pageNum 页码
+     * @param pageSize 每页数量
+     * @return 评论列表
+     */
+    @GetMapping("/my")
+    public ResponseEntity<List<CommentVo>> getMyComments(
+            @RequestParam(defaultValue = "1") int pageNum,
+            @RequestParam(defaultValue = "10") int pageSize) {
+        
+        String userId = UserContextUtils.getCurrentUserId();
+        List<CommentVo> comments = commentService.getCommentsByUser(userId, pageNum, pageSize);
+        return ResponseEntity.success(comments);
+    }
+
+    /**
+     * 转换为 VO
+     */
+    private CommentVo convertToVo(StoryComment comment) {
+        if (comment == null) return null;
+        
+        CommentVo vo = new CommentVo();
+        vo.setInstanceId(comment.getInstanceId());
+        vo.setStoryItemId(comment.getStoryItemId());
+        vo.setUserId(comment.getUserId());
+        vo.setParentId(comment.getParentId());
+        vo.setReplyToUserId(comment.getReplyToUserId());
+        vo.setContent(comment.getContent());
+        vo.setLikeCount(comment.getLikeCount());
+        vo.setCreateTime(comment.getCreateTime());
+        vo.setUpdateTime(comment.getUpdateTime());
+        return vo;
+    }
+}
diff --git a/timeline-story-service/src/main/java/com/timeline/story/controller/NotificationController.java b/timeline-story-service/src/main/java/com/timeline/story/controller/NotificationController.java
new file mode 100644
index 0000000..0d5fb33
--- /dev/null
+++ b/timeline-story-service/src/main/java/com/timeline/story/controller/NotificationController.java
@@ -0,0 +1,171 @@
+package com.timeline.story.controller;
+
+import com.timeline.common.response.ResponseEntity;
+import com.timeline.common.utils.UserContextUtils;
+import com.timeline.story.entity.Notification;
+import com.timeline.story.service.NotificationService;
+import com.timeline.story.vo.NotificationVo;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+import java.util.Map;
+
+/**
+ * NotificationController - 消息通知控制器
+ * 
+ * 功能描述：
+ * 提供消息通知相关的 REST API 接口。
+ * 
+ * API 列表：
+ * - GET /story/notification/list: 获取通知列表
+ * - GET /story/notification/unread: 获取未读通知列表
+ * - GET /story/notification/unread-count: 获取未读数量
+ * - PUT /story/notification/{notificationId}/read: 标记已读
+ * - PUT /story/notification/read-all: 全部标记已读
+ * - DELETE /story/notification/{notificationId}: 删除通知
+ * - DELETE /story/notification/clear: 清空所有通知
+ * 
+ * @author Timeline Team
+ * @date 2024
+ */
+@Slf4j
+@RestController
+@RequestMapping("/story/notification")
+public class NotificationController {
+
+    @Autowired
+    private NotificationService notificationService;
+
+    /**
+     * 获取通知列表
+     * 
+     * @param type 消息类型（可选）
+     * @param pageNum 页码
+     * @param pageSize 每页数量
+     * @return 通知列表
+     */
+    @GetMapping("/list")
+    public ResponseEntity<List<NotificationVo>> getNotifications(
+            @RequestParam(required = false) String type,
+            @RequestParam(defaultValue = "1") int pageNum,
+            @RequestParam(defaultValue = "10") int pageSize) {
+        
+        String userId = UserContextUtils.getCurrentUserId();
+        log.info("获取用户通知列表: userId={}, type={}", userId, type);
+        
+        List<NotificationVo> notifications = notificationService.getNotifications(userId, type, pageNum, pageSize);
+        return ResponseEntity.success(notifications);
+    }
+
+    /**
+     * 获取未读通知列表
+     * 
+     * @param pageNum 页码
+     * @param pageSize 每页数量
+     * @return 未读通知列表
+     */
+    @GetMapping("/unread")
+    public ResponseEntity<List<NotificationVo>> getUnreadNotifications(
+            @RequestParam(defaultValue = "1") int pageNum,
+            @RequestParam(defaultValue = "10") int pageSize) {
+        
+        String userId = UserContextUtils.getCurrentUserId();
+        log.info("获取用户未读通知: userId={}", userId);
+        
+        List<NotificationVo> notifications = notificationService.getUnreadNotifications(userId, pageNum, pageSize);
+        return ResponseEntity.success(notifications);
+    }
+
+    /**
+     * 获取未读通知数量
+     * 
+     * @return 未读数量
+     */
+    @GetMapping("/unread-count")
+    public ResponseEntity<Map<String, Object>> getUnreadCount() {
+        String userId = UserContextUtils.getCurrentUserId();
+        
+        int totalCount = notificationService.getUnreadCount(userId);
+        Map<String, Integer> countByType = notificationService.getUnreadCountByType(userId);
+        
+        return ResponseEntity.success(Map.of(
+                "total", totalCount,
+                "byType", countByType
+        ));
+    }
+
+    /**
+     * 标记单条通知为已读
+     * 
+     * @param notificationInstanceId 通知ID
+     * @return 操作结果
+     */
+    @PutMapping("/{notificationInstanceId}/read")
+    public ResponseEntity<String> markAsRead(@PathVariable String notificationInstanceId) {
+        String userId = UserContextUtils.getCurrentUserId();
+        log.info("标记通知已读: userId={}, notificationId={}", userId, notificationInstanceId);
+        
+        notificationService.markAsRead(notificationInstanceId, userId);
+        return ResponseEntity.success("已标记为已读");
+    }
+
+    /**
+     * 标记所有通知为已读
+     * 
+     * @return 操作结果
+     */
+    @PutMapping("/read-all")
+    public ResponseEntity<String> markAllAsRead() {
+        String userId = UserContextUtils.getCurrentUserId();
+        log.info("标记所有通知已读: userId={}", userId);
+        
+        notificationService.markAllAsRead(userId);
+        return ResponseEntity.success("已全部标记为已读");
+    }
+
+    /**
+     * 按类型标记所有通知为已读
+     * 
+     * @param type 消息类型
+     * @return 操作结果
+     */
+    @PutMapping("/read-all/{type}")
+    public ResponseEntity<String> markAllAsReadByType(@PathVariable String type) {
+        String userId = UserContextUtils.getCurrentUserId();
+        log.info("按类型标记通知已读: userId={}, type={}", userId, type);
+        
+        notificationService.markAllAsReadByType(userId, type);
+        return ResponseEntity.success("已标记为已读");
+    }
+
+    /**
+     * 删除通知
+     * 
+     * @param notificationInstanceId 通知ID
+     * @return 操作结果
+     */
+    @DeleteMapping("/{notificationInstanceId}")
+    public ResponseEntity<String> deleteNotification(@PathVariable String notificationInstanceId) {
+        String userId = UserContextUtils.getCurrentUserId();
+        log.info("删除通知: userId={}, notificationId={}", userId, notificationInstanceId);
+        
+        notificationService.deleteNotification(notificationInstanceId, userId);
+        return ResponseEntity.success("通知已删除");
+    }
+
+    /**
+     * 清空所有通知
+     * 
+     * @return 操作结果
+     */
+    @DeleteMapping("/clear")
+    public ResponseEntity<String> clearAllNotifications() {
+        String userId = UserContextUtils.getCurrentUserId();
+        log.info("清空所有通知: userId={}", userId);
+        
+        notificationService.clearAllNotifications(userId);
+        return ResponseEntity.success("通知已清空");
+    }
+}
diff --git a/timeline-story-service/src/main/java/com/timeline/story/controller/ReminderController.java b/timeline-story-service/src/main/java/com/timeline/story/controller/ReminderController.java
new file mode 100644
index 0000000..f34e148
--- /dev/null
+++ b/timeline-story-service/src/main/java/com/timeline/story/controller/ReminderController.java
@@ -0,0 +1,207 @@
+package com.timeline.story.controller;
+
+import com.timeline.common.response.ResponseEntity;
+import com.timeline.common.utils.UserContextUtils;
+import com.timeline.story.entity.Reminder;
+import com.timeline.story.service.ReminderService;
+import com.timeline.story.vo.ReminderVo;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+
+/**
+ * ReminderController - 提醒控制器
+ * 
+ * 功能描述：
+ * 提供提醒管理的 REST API 接口。
+ * 
+ * API 列表：
+ * - POST /story/reminder: 创建提醒
+ * - PUT /story/reminder/{reminderId}: 更新提醒
+ * - DELETE /story/reminder/{reminderId}: 删除提醒
+ * - GET /story/reminder/list: 获取提醒列表
+ * - PUT /story/reminder/{reminderId}/toggle: 启用/禁用提醒
+ * - POST /story/reminder/memory: 生成回忆提醒
+ * 
+ * @author Timeline Team
+ * @date 2024
+ */
+@Slf4j
+@RestController
+@RequestMapping("/story/reminder")
+public class ReminderController {
+
+    @Autowired
+    private ReminderService reminderService;
+
+    /**
+     * 创建提醒
+     * 
+     * @param reminderVo 提醒信息
+     * @return 创建的提醒
+     */
+    @PostMapping
+    public ResponseEntity<ReminderVo> createReminder(@RequestBody ReminderVo reminderVo) {
+        String userId = UserContextUtils.getCurrentUserId();
+        log.info("创建提醒: userId={}, type={}", userId, reminderVo.getType());
+        
+        Reminder reminder = reminderService.createReminder(reminderVo);
+        return ResponseEntity.success(convertToVo(reminder));
+    }
+
+    /**
+     * 更新提醒
+     * 
+     * @param reminderInstanceId 提醒ID
+     * @param reminderVo 提醒信息
+     * @return 更新后的提醒
+     */
+    @PutMapping("/{reminderInstanceId}")
+    public ResponseEntity<ReminderVo> updateReminder(
+            @PathVariable String reminderInstanceId,
+            @RequestBody ReminderVo reminderVo) {
+        
+        log.info("更新提醒: reminderId={}", reminderInstanceId);
+        
+        Reminder reminder = reminderService.updateReminder(reminderInstanceId, reminderVo);
+        return ResponseEntity.success(convertToVo(reminder));
+    }
+
+    /**
+     * 删除提醒
+     * 
+     * @param reminderInstanceId 提醒ID
+     * @return 操作结果
+     */
+    @DeleteMapping("/{reminderInstanceId}")
+    public ResponseEntity<String> deleteReminder(@PathVariable String reminderInstanceId) {
+        log.info("删除提醒: reminderId={}", reminderInstanceId);
+        
+        reminderService.deleteReminder(reminderInstanceId);
+        return ResponseEntity.success("提醒已删除");
+    }
+
+    /**
+     * 获取提醒详情
+     * 
+     * @param reminderInstanceId 提醒ID
+     * @return 提醒信息
+     */
+    @GetMapping("/{reminderInstanceId}")
+    public ResponseEntity<ReminderVo> getReminder(@PathVariable String reminderInstanceId) {
+        Reminder reminder = reminderService.getReminderById(reminderInstanceId);
+        return ResponseEntity.success(convertToVo(reminder));
+    }
+
+    /**
+     * 获取用户的提醒列表
+     * 
+     * @param type 提醒类型（可选）
+     * @return 提醒列表
+     */
+    @GetMapping("/list")
+    public ResponseEntity<List<ReminderVo>> getReminders(
+            @RequestParam(required = false) String type) {
+        String userId = UserContextUtils.getCurrentUserId();
+        log.info("获取提醒列表: userId={}, type={}", userId, type);
+        
+        List<Reminder> reminders = reminderService.getRemindersByUser(userId, type);
+        List<ReminderVo> voList = reminders.stream()
+                .map(this::convertToVo)
+                .toList();
+        
+        return ResponseEntity.success(voList);
+    }
+
+    /**
+     * 启用/禁用提醒
+     * 
+     * @param reminderInstanceId 提醒ID
+     * @param enabled 是否启用
+     * @return 操作结果
+     */
+    @PutMapping("/{reminderInstanceId}/toggle")
+    public ResponseEntity<String> toggleReminder(
+            @PathVariable String reminderInstanceId,
+            @RequestParam boolean enabled) {
+        
+        log.info("切换提醒状态: reminderId={}, enabled={}", reminderInstanceId, enabled);
+        
+        reminderService.toggleReminder(reminderInstanceId, enabled);
+        return ResponseEntity.success(enabled ? "提醒已启用" : "提醒已禁用");
+    }
+
+    /**
+     * 生成回忆提醒
+     * 
+     * 功能描述：
+     * 检查用户是否有"去年的今天"的记录，
+     * 如果有则生成回忆提醒。
+     * 
+     * @return 操作结果
+     */
+    @PostMapping("/memory")
+    public ResponseEntity<String> generateMemoryReminders() {
+        String userId = UserContextUtils.getCurrentUserId();
+        log.info("生成回忆提醒: userId={}", userId);
+        
+        reminderService.generateMemoryReminders(userId);
+        return ResponseEntity.success("回忆提醒已生成");
+    }
+
+    /**
+     * 转换为 VO
+     */
+    private ReminderVo convertToVo(Reminder reminder) {
+        if (reminder == null) return null;
+        
+        ReminderVo vo = new ReminderVo();
+        vo.setInstanceId(reminder.getInstanceId());
+        vo.setType(reminder.getType());
+        vo.setTitle(reminder.getTitle());
+        vo.setContent(reminder.getContent());
+        vo.setStoryInstanceId(reminder.getStoryInstanceId());
+        vo.setStoryItemId(reminder.getStoryItemId());
+        vo.setRemindTime(reminder.getRemindTime());
+        vo.setRepeatType(reminder.getRepeatType());
+        vo.setIsSent(reminder.getIsSent() == 1);
+        vo.setSentTime(reminder.getSentTime());
+        vo.setIsEnabled(reminder.getIsEnabled() == 1);
+        vo.setCreateTime(reminder.getCreateTime());
+        
+        // 设置类型描述
+        vo.setTypeDesc(getTypeDesc(reminder.getType()));
+        vo.setRepeatTypeDesc(getRepeatTypeDesc(reminder.getRepeatType()));
+        
+        return vo;
+    }
+
+    /**
+     * 获取类型描述
+     */
+    private String getTypeDesc(String type) {
+        return switch (type) {
+            case "RECORD" -> "记录提醒";
+            case "MEMORY" -> "回忆提醒";
+            case "ANNIVERSARY" -> "纪念日提醒";
+            case "CUSTOM" -> "自定义提醒";
+            default -> "未知类型";
+        };
+    }
+
+    /**
+     * 获取重复类型描述
+     */
+    private String getRepeatTypeDesc(String repeatType) {
+        return switch (repeatType) {
+            case "NONE" -> "不重复";
+            case "DAILY" -> "每天";
+            case "WEEKLY" -> "每周";
+            case "MONTHLY" -> "每月";
+            case "YEARLY" -> "每年";
+            default -> "未知";
+        };
+    }
+}
diff --git a/timeline-story-service/src/main/java/com/timeline/story/controller/StoryItemController.java b/timeline-story-service/src/main/java/com/timeline/story/controller/StoryItemController.java
index 32f05a4..39f4dbc 100644
--- a/timeline-story-service/src/main/java/com/timeline/story/controller/StoryItemController.java
+++ b/timeline-story-service/src/main/java/com/timeline/story/controller/StoryItemController.java
@@ -2,6 +2,7 @@ package com.timeline.story.controller;
 
 import com.alibaba.fastjson.JSONObject;
 import com.timeline.common.response.ResponseEntity;
+import com.timeline.common.response.ResponseEnum;
 import com.timeline.story.entity.StoryItem;
 import com.timeline.story.service.StoryItemService;
 import com.timeline.story.service.StoryService;
@@ -98,4 +99,74 @@ public class StoryItemController {
         Map result = storyItemService.searchItems(keyword, pageNum, pageSize);
         return ResponseEntity.success(result);
     }
+
+    /**
+     * 批量更新时间线节点排序
+     * 
+     * 功能描述：
+     * 接收前端拖拽排序后的节点顺序，批量更新各节点的 sortOrder 字段。
+     * 用于保存用户手动调整的时间线节点顺序。
+     * 
+     * @param request 包含 items 数组，每个元素有 instanceId 和 sortOrder
+     * @return 操作结果
+     */
+    @PutMapping("/order")
+    public ResponseEntity<String> updateItemsOrder(@RequestBody Map<String, List<Map<String, Object>>> request) {
+        List<Map<String, Object>> items = request.get("items");
+        if (items == null || items.isEmpty()) {
+            return ResponseEntity.error("排序数据不能为空");
+        }
+        log.info("批量更新 StoryItem 排序，共 {} 项", items.size());
+        storyItemService.updateItemsOrder(items);
+        return ResponseEntity.success("排序更新成功");
+    }
+
+    /**
+     * 批量删除时间线节点
+     * 
+     * 功能描述：
+     * 根据节点ID列表批量软删除时间线节点。
+     * 软删除仅标记 is_delete 字段，数据可恢复。
+     * 
+     * @param request 包含 instanceIds 数组
+     * @return 操作结果
+     */
+    @PostMapping("/batch-delete")
+    public ResponseEntity<String> batchDeleteItems(@RequestBody Map<String, List<String>> request) {
+        List<String> instanceIds = request.get("instanceIds");
+        if (instanceIds == null || instanceIds.isEmpty()) {
+            return ResponseEntity.error(ResponseEnum.BAD_REQUEST, "删除列表不能为空");
+        }
+        log.info("批量删除 StoryItem，共 {} 项", instanceIds.size());
+        storyItemService.batchDeleteItems(instanceIds);
+        return ResponseEntity.success("批量删除成功");
+    }
+
+    /**
+     * 批量修改时间线节点时间
+     * 
+     * 功能描述：
+     * 批量修改多个节点的 storyItemTime 字段。
+     * 用于批量调整节点的时间信息。
+     * 
+     * @param request 包含 instanceIds 数组和 storyItemTime 字符串
+     * @return 操作结果
+     */
+    @PutMapping("/batch-time")
+    public ResponseEntity<String> batchUpdateItemTime(@RequestBody Map<String, Object> request) {
+        @SuppressWarnings("unchecked")
+        List<String> instanceIds = (List<String>) request.get("instanceIds");
+        String storyItemTime = (String) request.get("storyItemTime");
+
+        if (instanceIds == null || instanceIds.isEmpty()) {
+            return ResponseEntity.error(ResponseEnum.BAD_REQUEST, "修改列表不能为空");
+        }
+        if (storyItemTime == null || storyItemTime.isEmpty()) {
+            return ResponseEntity.error(ResponseEnum.BAD_REQUEST, "时间不能为空");
+        }
+
+        log.info("批量修改 StoryItem 时间，共 {} 项，新时间: {}", instanceIds.size(), storyItemTime);
+        storyItemService.batchUpdateItemTime(instanceIds, storyItemTime);
+        return ResponseEntity.success("批量修改时间成功");
+    }
 }
diff --git a/timeline-story-service/src/main/java/com/timeline/story/controller/StoryPermissionController.java b/timeline-story-service/src/main/java/com/timeline/story/controller/StoryPermissionController.java
index 01c7df4..2ff5b99 100644
--- a/timeline-story-service/src/main/java/com/timeline/story/controller/StoryPermissionController.java
+++ b/timeline-story-service/src/main/java/com/timeline/story/controller/StoryPermissionController.java
@@ -12,7 +12,6 @@ import java.util.List;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestBody;
 
-
 @RestController
 @RequestMapping("/story/permission")
 @Slf4j
@@ -34,6 +33,7 @@ public class StoryPermissionController {
         storyPermissionService.updatePermission(permissionVo);
         return ResponseEntity.success("权限更新成功");
     }
+
     @PostMapping("/authorize")
     public ResponseEntity<String> authorizePermission(@RequestBody StoryPermissionVo permissionVo) {
         log.info("授权权限: {}", permissionVo);
@@ -76,7 +76,29 @@ public class StoryPermissionController {
             @RequestParam Integer requiredPermissionType) {
         log.info("检查用户权限: storyInstanceId={}, userId={}, requiredPermissionType={}",
                 storyInstanceId, userId, requiredPermissionType);
-        boolean hasPermission = storyPermissionService.checkUserPermission(storyInstanceId, userId, requiredPermissionType);
+        boolean hasPermission = storyPermissionService.checkUserPermission(storyInstanceId, userId,
+                requiredPermissionType);
         return ResponseEntity.success(hasPermission);
     }
+
+    @PostMapping("/invite")
+    public ResponseEntity<String> inviteUser(@RequestBody StoryPermissionVo permissionVo) {
+        log.info("邀请用户协作: {}", permissionVo);
+        storyPermissionService.inviteUser(permissionVo);
+        return ResponseEntity.success("邀请发送成功");
+    }
+
+    @PutMapping("/invite/{inviteId}/accept")
+    public ResponseEntity<String> acceptInvite(@PathVariable String inviteId) {
+        log.info("接受邀请: {}", inviteId);
+        storyPermissionService.acceptInvite(inviteId);
+        return ResponseEntity.success("邀请已接受");
+    }
+
+    @PutMapping("/invite/{inviteId}/reject")
+    public ResponseEntity<String> rejectInvite(@PathVariable String inviteId) {
+        log.info("拒绝邀请: {}", inviteId);
+        storyPermissionService.rejectInvite(inviteId);
+        return ResponseEntity.success("邀请已拒绝");
+    }
 }
diff --git a/timeline-story-service/src/main/java/com/timeline/story/dao/StoryItemMapper.java b/timeline-story-service/src/main/java/com/timeline/story/dao/StoryItemMapper.java
index 8f0980f..2e331e6 100644
--- a/timeline-story-service/src/main/java/com/timeline/story/dao/StoryItemMapper.java
+++ b/timeline-story-service/src/main/java/com/timeline/story/dao/StoryItemMapper.java
@@ -33,4 +33,18 @@ public interface StoryItemMapper {
     // StoryItemShareVo selectByShareIdWithAuthor(String shareId);
 
     List<StoryItemVo> searchItems(@Param("keyword") String keyword);
+
+    /**
+     * 更新节点排序值
+     * 
+     * @param params 包含 instanceId, sortOrder, updateId, updateTime
+     */
+    void updateOrder(Map<String, Object> params);
+
+    /**
+     * 更新节点时间
+     * 
+     * @param params 包含 instanceId, storyItemTime, updateId, updateTime
+     */
+    void updateItemTime(Map<String, Object> params);
 }
diff --git a/timeline-story-service/src/main/java/com/timeline/story/dao/StoryPermissionMapper.java b/timeline-story-service/src/main/java/com/timeline/story/dao/StoryPermissionMapper.java
index ae19265..bcc8f5e 100644
--- a/timeline-story-service/src/main/java/com/timeline/story/dao/StoryPermissionMapper.java
+++ b/timeline-story-service/src/main/java/com/timeline/story/dao/StoryPermissionMapper.java
@@ -8,11 +8,20 @@ import java.util.List;
 @Mapper
 public interface StoryPermissionMapper {
     void insert(StoryPermission permission);
+
     void update(StoryPermission permission);
+
+    void updateInviteStatus(String permissionId, Integer inviteStatus);
+
     void deleteByPermissionId(String permissionId);
+
     StoryPermission selectByPermissionId(String permissionId);
+
     List<StoryPermission> selectByStoryInstanceId(String storyInstanceId);
+
     List<StoryPermission> selectByUserId(String userId);
+
     StoryPermission selectByStoryAndUser(String storyInstanceId, String userId);
+
     List<StoryPermission> selectByStoryAndPermissionType(String storyInstanceId, Integer permissionType);
 }
diff --git a/timeline-story-service/src/main/java/com/timeline/story/entity/Notification.java b/timeline-story-service/src/main/java/com/timeline/story/entity/Notification.java
new file mode 100644
index 0000000..ef96045
--- /dev/null
+++ b/timeline-story-service/src/main/java/com/timeline/story/entity/Notification.java
@@ -0,0 +1,101 @@
+package com.timeline.story.entity;
+
+import com.fasterxml.jackson.annotation.JsonFormat;
+import lombok.Data;
+
+import java.time.LocalDateTime;
+
+/**
+ * Notification - 消息通知实体类
+ * 
+ * 功能描述：
+ * 定义系统消息通知的数据结构。
+ * 支持多种消息类型：评论、点赞、@提及、邀请、系统通知。
+ * 
+ * 消息类型说明：
+ * - COMMENT: 评论通知
+ * - LIKE: 点赞通知
+ * - MENTION: @提及通知
+ * - INVITE: 协作邀请通知
+ * - SYSTEM: 系统通知
+ * 
+ * @author Timeline Team
+ * @date 2024
+ */
+@Data
+public class Notification {
+
+    /**
+     * 主键ID
+     */
+    private Long id;
+
+    /**
+     * 消息唯一标识
+     */
+    private String instanceId;
+
+    /**
+     * 接收用户ID
+     */
+    private String userId;
+
+    /**
+     * 消息类型
+     * COMMENT/LIKE/MENTION/INVITE/SYSTEM
+     */
+    private String type;
+
+    /**
+     * 消息标题
+     */
+    private String title;
+
+    /**
+     * 消息内容
+     */
+    private String content;
+
+    /**
+     * 关联ID（评论ID/节点ID等）
+     */
+    private String relatedId;
+
+    /**
+     * 关联类型
+     * STORY_ITEM/COMMENT/STORY
+     */
+    private String relatedType;
+
+    /**
+     * 发送者ID
+     */
+    private String senderId;
+
+    /**
+     * 发送者名称
+     */
+    private String senderName;
+
+    /**
+     * 发送者头像
+     */
+    private String senderAvatar;
+
+    /**
+     * 是否已读
+     */
+    private Integer isRead;
+
+    /**
+     * 阅读时间
+     */
+    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss")
+    private LocalDateTime readTime;
+
+    /**
+     * 创建时间
+     */
+    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss")
+    private LocalDateTime createTime;
+}
diff --git a/timeline-story-service/src/main/java/com/timeline/story/entity/Reminder.java b/timeline-story-service/src/main/java/com/timeline/story/entity/Reminder.java
new file mode 100644
index 0000000..44e5165
--- /dev/null
+++ b/timeline-story-service/src/main/java/com/timeline/story/entity/Reminder.java
@@ -0,0 +1,106 @@
+package com.timeline.story.entity;
+
+import com.fasterxml.jackson.annotation.JsonFormat;
+import lombok.Data;
+
+import java.time.LocalDateTime;
+
+/**
+ * Reminder - 提醒实体类
+ * 
+ * 功能描述：
+ * 定义用户提醒的数据结构，支持多种提醒类型。
+ * 
+ * 提醒类型：
+ * - RECORD: 记录提醒（每日记录提醒）
+ * - MEMORY: 回忆提醒（去年的今天）
+ * - ANNIVERSARY: 纪念日提醒
+ * - CUSTOM: 自定义提醒
+ * 
+ * @author Timeline Team
+ * @date 2024
+ */
+@Data
+public class Reminder {
+
+    /**
+     * 主键ID
+     */
+    private Long id;
+
+    /**
+     * 提醒唯一标识
+     */
+    private String instanceId;
+
+    /**
+     * 用户ID
+     */
+    private String userId;
+
+    /**
+     * 提醒类型
+     * RECORD/MEMORY/ANNIVERSARY/CUSTOM
+     */
+    private String type;
+
+    /**
+     * 提醒标题
+     */
+    private String title;
+
+    /**
+     * 提醒内容
+     */
+    private String content;
+
+    /**
+     * 关联的故事ID（可选）
+     */
+    private String storyInstanceId;
+
+    /**
+     * 关联的节点ID（可选）
+     */
+    private String storyItemId;
+
+    /**
+     * 提醒时间
+     */
+    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss")
+    private LocalDateTime remindTime;
+
+    /**
+     * 重复类型
+     * NONE/DAILY/WEEKLY/MONTHLY/YEARLY
+     */
+    private String repeatType;
+
+    /**
+     * 是否已发送
+     */
+    private Integer isSent;
+
+    /**
+     * 发送时间
+     */
+    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss")
+    private LocalDateTime sentTime;
+
+    /**
+     * 是否启用
+     */
+    private Integer isEnabled;
+
+    /**
+     * 创建时间
+     */
+    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss")
+    private LocalDateTime createTime;
+
+    /**
+     * 更新时间
+     */
+    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss")
+    private LocalDateTime updateTime;
+}
diff --git a/timeline-story-service/src/main/java/com/timeline/story/entity/StoryComment.java b/timeline-story-service/src/main/java/com/timeline/story/entity/StoryComment.java
new file mode 100644
index 0000000..9e0b36c
--- /dev/null
+++ b/timeline-story-service/src/main/java/com/timeline/story/entity/StoryComment.java
@@ -0,0 +1,84 @@
+package com.timeline.story.entity;
+
+import com.fasterxml.jackson.annotation.JsonFormat;
+import lombok.Data;
+
+import java.time.LocalDateTime;
+
+/**
+ * StoryComment - 评论实体类
+ * 
+ * 功能描述：
+ * 定义时间线节点评论的数据结构。
+ * 支持多级评论（回复功能）。
+ * 
+ * 字段说明：
+ * - instanceId: 评论唯一标识
+ * - storyItemId: 关联的时间线节点ID
+ * - userId: 评论用户ID
+ * - parentId: 父评论ID（用于回复）
+ * - content: 评论内容
+ * - likeCount: 点赞数
+ * 
+ * @author Timeline Team
+ * @date 2024
+ */
+@Data
+public class StoryComment {
+    /**
+     * 主键ID
+     */
+    private Long id;
+
+    /**
+     * 评论唯一标识
+     */
+    private String instanceId;
+
+    /**
+     * 时间线节点ID
+     */
+    private String storyItemId;
+
+    /**
+     * 评论用户ID
+     */
+    private String userId;
+
+    /**
+     * 父评论ID（用于回复功能）
+     */
+    private String parentId;
+
+    /**
+     * 回复的用户ID
+     */
+    private String replyToUserId;
+
+    /**
+     * 评论内容
+     */
+    private String content;
+
+    /**
+     * 点赞数
+     */
+    private Integer likeCount;
+
+    /**
+     * 创建时间
+     */
+    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss")
+    private LocalDateTime createTime;
+
+    /**
+     * 更新时间
+     */
+    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss")
+    private LocalDateTime updateTime;
+
+    /**
+     * 是否删除
+     */
+    private Integer isDelete;
+}
diff --git a/timeline-story-service/src/main/java/com/timeline/story/entity/StoryItem.java b/timeline-story-service/src/main/java/com/timeline/story/entity/StoryItem.java
index 46b067b..dca05a0 100644
--- a/timeline-story-service/src/main/java/com/timeline/story/entity/StoryItem.java
+++ b/timeline-story-service/src/main/java/com/timeline/story/entity/StoryItem.java
@@ -22,4 +22,9 @@ public class StoryItem {
     private LocalDateTime createTime;
     private LocalDateTime updateTime;
     private Integer isDelete;
+    /**
+     * 排序值 - 用于拖拽排序
+     * 数值越小越靠前，默认为0
+     */
+    private Integer sortOrder;
 }
diff --git a/timeline-story-service/src/main/java/com/timeline/story/entity/StoryItemTag.java b/timeline-story-service/src/main/java/com/timeline/story/entity/StoryItemTag.java
new file mode 100644
index 0000000..34bf93e
--- /dev/null
+++ b/timeline-story-service/src/main/java/com/timeline/story/entity/StoryItemTag.java
@@ -0,0 +1,44 @@
+package com.timeline.story.entity;
+
+import com.fasterxml.jackson.annotation.JsonFormat;
+import lombok.Data;
+
+import java.time.LocalDateTime;
+
+/**
+ * StoryItemTag - 时间线节点标签关联实体
+ * 
+ * 功能描述：
+ * 定义时间线节点与标签的多对多关联关系。
+ * 
+ * @author Timeline Team
+ * @date 2024
+ */
+@Data
+public class StoryItemTag {
+    /**
+     * 主键ID
+     */
+    private Long id;
+
+    /**
+     * 时间线节点ID
+     */
+    private String storyItemId;
+
+    /**
+     * 标签ID
+     */
+    private String tagId;
+
+    /**
+     * 创建者ID
+     */
+    private String createId;
+
+    /**
+     * 创建时间
+     */
+    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss")
+    private LocalDateTime createTime;
+}
diff --git a/timeline-story-service/src/main/java/com/timeline/story/entity/StoryPermission.java b/timeline-story-service/src/main/java/com/timeline/story/entity/StoryPermission.java
index 4843f70..d9d1bb5 100644
--- a/timeline-story-service/src/main/java/com/timeline/story/entity/StoryPermission.java
+++ b/timeline-story-service/src/main/java/com/timeline/story/entity/StoryPermission.java
@@ -12,6 +12,7 @@ public class StoryPermission {
     private String storyInstanceId;
     private String userId;
     private Integer permissionType; // 1-创建者，2-仅查看，3-可新增，4-可管理
+    private Integer inviteStatus; // 0-待处理, 1-已接受, 2-已拒绝
     private Integer isDeleted;
     @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss")
     private LocalDateTime createTime;
diff --git a/timeline-story-service/src/main/java/com/timeline/story/entity/Tag.java b/timeline-story-service/src/main/java/com/timeline/story/entity/Tag.java
new file mode 100644
index 0000000..8315173
--- /dev/null
+++ b/timeline-story-service/src/main/java/com/timeline/story/entity/Tag.java
@@ -0,0 +1,66 @@
+package com.timeline.story.entity;
+
+import com.fasterxml.jackson.annotation.JsonFormat;
+import lombok.Data;
+
+import java.time.LocalDateTime;
+
+/**
+ * Tag - 标签实体类
+ * 
+ * 功能描述：
+ * 定义标签的数据结构，用于时间线节点的分类和检索。
+ * 
+ * 字段说明：
+ * - instanceId: 标签唯一标识
+ * - name: 标签名称
+ * - color: 标签颜色（十六进制）
+ * - ownerId: 创建者ID
+ * 
+ * @author Timeline Team
+ * @date 2024
+ */
+@Data
+public class Tag {
+    /**
+     * 主键ID
+     */
+    private Long id;
+
+    /**
+     * 标签唯一标识
+     */
+    private String instanceId;
+
+    /**
+     * 标签名称
+     */
+    private String name;
+
+    /**
+     * 标签颜色（十六进制，如 #1890ff）
+     */
+    private String color;
+
+    /**
+     * 创建者ID
+     */
+    private String ownerId;
+
+    /**
+     * 创建时间
+     */
+    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss")
+    private LocalDateTime createTime;
+
+    /**
+     * 更新时间
+     */
+    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss")
+    private LocalDateTime updateTime;
+
+    /**
+     * 是否删除
+     */
+    private Integer isDelete;
+}
diff --git a/timeline-story-service/src/main/java/com/timeline/story/service/AnalyticsService.java b/timeline-story-service/src/main/java/com/timeline/story/service/AnalyticsService.java
new file mode 100644
index 0000000..bb10ecb
--- /dev/null
+++ b/timeline-story-service/src/main/java/com/timeline/story/service/AnalyticsService.java
@@ -0,0 +1,107 @@
+package com.timeline.story.service;
+
+import com.timeline.story.vo.TimelineAnalyticsVo;
+
+/**
+ * AnalyticsService - 数据分析服务接口
+ * 
+ * 功能描述：
+ * 提供时间线数据的统计和分析功能。
+ * 
+ * 功能列表：
+ * - 总体统计
+ * - 时间分布分析
+ * - 地点分布分析
+ * - 标签分布分析
+ * - 年度报告生成
+ * 
+ * @author Timeline Team
+ * @date 2024
+ */
+public interface AnalyticsService {
+
+    /**
+     * 获取用户时间线总体统计
+     * 
+     * @param userId 用户ID
+     * @return 统计数据
+     */
+    TimelineAnalyticsVo getOverallStats(String userId);
+
+    /**
+     * 获取故事统计数据
+     * 
+     * @param storyInstanceId 故事ID
+     * @return 统计数据
+     */
+    TimelineAnalyticsVo getStoryStats(String storyInstanceId);
+
+    /**
+     * 获取月度趋势数据
+     * 
+     * @param userId 用户ID
+     * @param year 年份
+     * @return 月度趋势
+     */
+    TimelineAnalyticsVo getMonthlyTrend(String userId, int year);
+
+    /**
+     * 获取热门地点
+     * 
+     * @param userId 用户ID
+     * @param limit 返回数量
+     * @return 热门地点列表
+     */
+    TimelineAnalyticsVo getTopLocations(String userId, int limit);
+
+    /**
+     * 获取热门标签
+     * 
+     * @param userId 用户ID
+     * @param limit 返回数量
+     * @return 热门标签列表
+     */
+    TimelineAnalyticsVo getTopTags(String userId, int limit);
+
+    /**
+     * 生成年度报告
+     * 
+     * @param userId 用户ID
+     * @param year 年份
+     * @return 年度报告数据
+     */
+    TimelineAnalyticsVo.YearlyReport generateYearlyReport(String userId, int year);
+
+    /**
+     * 获取活跃度统计
+     * 
+     * @param userId 用户ID
+     * @return 活跃度数据
+     */
+    TimelineAnalyticsVo getActivityStats(String userId);
+
+    /**
+     * 计算连续记录天数
+     * 
+     * @param userId 用户ID
+     * @return 连续天数
+     */
+    int calculateConsecutiveDays(String userId);
+
+    /**
+     * 获取记录时间分布
+     * 
+     * @param userId 用户ID
+     * @return 时间分布数据
+     */
+    TimelineAnalyticsVo getTimeDistribution(String userId);
+
+    /**
+     * 导出统计数据
+     * 
+     * @param userId 用户ID
+     * @param format 导出格式 (json/csv)
+     * @return 导出数据
+     */
+    byte[] exportStats(String userId, String format);
+}
diff --git a/timeline-story-service/src/main/java/com/timeline/story/service/CommentService.java b/timeline-story-service/src/main/java/com/timeline/story/service/CommentService.java
new file mode 100644
index 0000000..ca6d3ec
--- /dev/null
+++ b/timeline-story-service/src/main/java/com/timeline/story/service/CommentService.java
@@ -0,0 +1,123 @@
+package com.timeline.story.service;
+
+import com.timeline.story.entity.StoryComment;
+import com.timeline.story.vo.CommentVo;
+
+import java.util.List;
+
+/**
+ * CommentService - 评论服务接口
+ * 
+ * 功能描述：
+ * 提供评论的 CRUD 操作和互动功能。
+ * 
+ * 功能列表：
+ * - 发表评论
+ * - 回复评论
+ * - 删除评论
+ * - 点赞评论
+ * - 获取评论列表
+ * - 获取回复列表
+ * 
+ * @author Timeline Team
+ * @date 2024
+ */
+public interface CommentService {
+
+    /**
+     * 发表评论
+     * 
+     * @param commentVo 评论信息
+     * @return 创建的评论
+     */
+    StoryComment createComment(CommentVo commentVo);
+
+    /**
+     * 回复评论
+     * 
+     * @param parentId 父评论ID
+     * @param commentVo 回复内容
+     * @return 创建的回复
+     */
+    StoryComment replyComment(String parentId, CommentVo commentVo);
+
+    /**
+     * 删除评论
+     * 软删除，保留数据
+     * 
+     * @param commentInstanceId 评论ID
+     */
+    void deleteComment(String commentInstanceId);
+
+    /**
+     * 获取评论详情
+     * 
+     * @param commentInstanceId 评论ID
+     * @return 评论信息
+     */
+    StoryComment getCommentById(String commentInstanceId);
+
+    /**
+     * 获取节点的评论列表
+     * 分页获取，按时间倒序
+     * 
+     * @param storyItemId 节点ID
+     * @param pageNum 页码
+     * @param pageSize 每页数量
+     * @return 评论列表
+     */
+    List<CommentVo> getCommentsByStoryItem(String storyItemId, int pageNum, int pageSize);
+
+    /**
+     * 获取评论的回复列表
+     * 
+     * @param parentId 父评论ID
+     * @param pageNum 页码
+     * @param pageSize 每页数量
+     * @return 回复列表
+     */
+    List<CommentVo> getRepliesByComment(String parentId, int pageNum, int pageSize);
+
+    /**
+     * 获取节点的评论数量
+     * 
+     * @param storyItemId 节点ID
+     * @return 评论数量
+     */
+    int getCommentCountByStoryItem(String storyItemId);
+
+    /**
+     * 点赞评论
+     * 
+     * @param commentInstanceId 评论ID
+     * @param userId 用户ID
+     */
+    void likeComment(String commentInstanceId, String userId);
+
+    /**
+     * 取消点赞评论
+     * 
+     * @param commentInstanceId 评论ID
+     * @param userId 用户ID
+     */
+    void unlikeComment(String commentInstanceId, String userId);
+
+    /**
+     * 检查用户是否已点赞
+     * 
+     * @param commentInstanceId 评论ID
+     * @param userId 用户ID
+     * @return 是否已点赞
+     */
+    boolean hasLiked(String commentInstanceId, String userId);
+
+    /**
+     * 获取用户的评论列表
+     * 
+     * @param userId 用户ID
+     * @param pageNum 页码
+     * @param pageSize 每页数量
+     * @return 评论列表
+     */
+    List<CommentVo> getCommentsByUser(String userId, int pageNum, int pageSize);
+}
diff --git a/timeline-story-service/src/main/java/com/timeline/story/service/NotificationService.java b/timeline-story-service/src/main/java/com/timeline/story/service/NotificationService.java
new file mode 100644
index 0000000..cc2d176
--- /dev/null
+++ b/timeline-story-service/src/main/java/com/timeline/story/service/NotificationService.java
@@ -0,0 +1,156 @@
+package com.timeline.story.service;
+
+import com.timeline.story.entity.Notification;
+import com.timeline.story.vo.NotificationVo;
+
+import java.util.List;
+
+/**
+ * NotificationService - 消息通知服务接口
+ * 
+ * 功能描述：
+ * 提供消息通知的管理和推送功能。
+ * 
+ * 功能列表：
+ * - 创建通知
+ * - 获取用户通知列表
+ * - 标记已读
+ * - 批量标记已读
+ * - 删除通知
+ * - 获取未读数量
+ * - 实时推送通知
+ * 
+ * @author Timeline Team
+ * @date 2024
+ */
+public interface NotificationService {
+
+    /**
+     * 创建评论通知
+     * 
+     * @param storyItemId 节点ID
+     * @param commentId 评论ID
+     * @param senderId 评论者ID
+     */
+    void createCommentNotification(String storyItemId, String commentId, String senderId);
+
+    /**
+     * 创建点赞通知
+     * 
+     * @param storyItemId 节点ID
+     * @param senderId 点赞者ID
+     */
+    void createLikeNotification(String storyItemId, String senderId);
+
+    /**
+     * 创建@提及通知
+     * 
+     * @param toUserId 被提及的用户ID
+     * @param relatedType 关联类型
+     * @param relatedId 关联ID
+     * @param senderId 提及者ID
+     */
+    void createMentionNotification(String toUserId, String relatedType, String relatedId, String senderId);
+
+    /**
+     * 创建协作邀请通知
+     * 
+     * @param storyId 故事ID
+     * @param toUserId 被邀请者ID
+     * @param senderId 邀请者ID
+     */
+    void createInviteNotification(String storyId, String toUserId, String senderId);
+
+    /**
+     * 创建系统通知
+     * 
+     * @param userId 用户ID
+     * @param title 标题
+     * @param content 内容
+     */
+    void createSystemNotification(String userId, String title, String content);
+
+    /**
+     * 获取用户的通知列表
+     * 
+     * @param userId 用户ID
+     * @param type 消息类型（可选）
+     * @param pageNum 页码
+     * @param pageSize 每页数量
+     * @return 通知列表
+     */
+    List<NotificationVo> getNotifications(String userId, String type, int pageNum, int pageSize);
+
+    /**
+     * 获取未读通知列表
+     * 
+     * @param userId 用户ID
+     * @param pageNum 页码
+     * @param pageSize 每页数量
+     * @return 未读通知列表
+     */
+    List<NotificationVo> getUnreadNotifications(String userId, int pageNum, int pageSize);
+
+    /**
+     * 获取未读通知数量
+     * 
+     * @param userId 用户ID
+     * @return 未读数量
+     */
+    int getUnreadCount(String userId);
+
+    /**
+     * 按类型获取未读数量
+     * 
+     * @param userId 用户ID
+     * @return 各类型的未读数量
+     */
+    java.util.Map<String, Integer> getUnreadCountByType(String userId);
+
+    /**
+     * 标记单条通知为已读
+     * 
+     * @param notificationInstanceId 通知ID
+     * @param userId 用户ID
+     */
+    void markAsRead(String notificationInstanceId, String userId);
+
+    /**
+     * 标记所有通知为已读
+     * 
+     * @param userId 用户ID
+     */
+    void markAllAsRead(String userId);
+
+    /**
+     * 按类型标记所有通知为已读
+     * 
+     * @param userId 用户ID
+     * @param type 消息类型
+     */
+    void markAllAsReadByType(String userId, String type);
+
+    /**
+     * 删除通知
+     * 
+     * @param notificationInstanceId 通知ID
+     * @param userId 用户ID
+     */
+    void deleteNotification(String notificationInstanceId, String userId);
+
+    /**
+     * 清空所有通知
+     * 
+     * @param userId 用户ID
+     */
+    void clearAllNotifications(String userId);
+
+    /**
+     * 推送实时通知
+     * 通过 WebSocket 推送给在线用户
+     * 
+     * @param userId 用户ID
+     * @param notification 通知内容
+     */
+    void pushNotification(String userId, Notification notification);
+}
diff --git a/timeline-story-service/src/main/java/com/timeline/story/service/ReminderService.java b/timeline-story-service/src/main/java/com/timeline/story/service/ReminderService.java
new file mode 100644
index 0000000..2cd8f45
--- /dev/null
+++ b/timeline-story-service/src/main/java/com/timeline/story/service/ReminderService.java
@@ -0,0 +1,124 @@
+package com.timeline.story.service;
+
+import com.timeline.story.entity.Reminder;
+import com.timeline.story.vo.ReminderVo;
+
+import java.util.List;
+
+/**
+ * ReminderService - 提醒服务接口
+ * 
+ * 功能描述：
+ * 提供提醒的管理和推送功能。
+ * 
+ * 功能列表：
+ * - 创建提醒
+ * - 更新提醒
+ * - 删除提醒
+ * - 获取提醒列表
+ * - 发送提醒
+ * - 生成回忆提醒
+ * 
+ * @author Timeline Team
+ * @date 2024
+ */
+public interface ReminderService {
+
+    /**
+     * 创建提醒
+     * 
+     * @param reminderVo 提醒信息
+     * @return 创建的提醒
+     */
+    Reminder createReminder(ReminderVo reminderVo);
+
+    /**
+     * 更新提醒
+     * 
+     * @param reminderInstanceId 提醒ID
+     * @param reminderVo 提醒信息
+     * @return 更新后的提醒
+     */
+    Reminder updateReminder(String reminderInstanceId, ReminderVo reminderVo);
+
+    /**
+     * 删除提醒
+     * 
+     * @param reminderInstanceId 提醒ID
+     */
+    void deleteReminder(String reminderInstanceId);
+
+    /**
+     * 获取提醒详情
+     * 
+     * @param reminderInstanceId 提醒ID
+     * @return 提醒信息
+     */
+    Reminder getReminderById(String reminderInstanceId);
+
+    /**
+     * 获取用户的提醒列表
+     * 
+     * @param userId 用户ID
+     * @param type 提醒类型（可选）
+     * @return 提醒列表
+     */
+    List<Reminder> getRemindersByUser(String userId, String type);
+
+    /**
+     * 获取待发送的提醒列表
+     * 
+     * @return 待发送的提醒列表
+     */
+    List<Reminder> getPendingReminders();
+
+    /**
+     * 发送提醒
+     * 
+     * @param reminder 提醒信息
+     */
+    void sendReminder(Reminder reminder);
+
+    /**
+     * 批量发送提醒
+     * 
+     * @param reminders 提醒列表
+     */
+    void sendReminders(List<Reminder> reminders);
+
+    /**
+     * 生成回忆提醒
+     * 
+     * 功能描述：
+     * 检查用户是否有"去年的今天"的记录，
+     * 如果有则生成回忆提醒。
+     * 
+     * @param userId 用户ID
+     */
+    void generateMemoryReminders(String userId);
+
+    /**
+     * 启用/禁用提醒
+     * 
+     * @param reminderInstanceId 提醒ID
+     * @param enabled 是否启用
+     */
+    void toggleReminder(String reminderInstanceId, boolean enabled);
+
+    /**
+     * 标记提醒为已发送
+     * 
+     * @param reminderInstanceId 提醒ID
+     */
+    void markAsSent(String reminderInstanceId);
+
+    /**
+     * 处理重复提醒
+     * 
+     * 功能描述：
+     * 对于重复类型的提醒，发送后自动创建下一次提醒。
+     * 
+     * @param reminder 原提醒
+     */
+    void handleRepeatReminder(Reminder reminder);
+}
diff --git a/timeline-story-service/src/main/java/com/timeline/story/service/StoryItemService.java b/timeline-story-service/src/main/java/com/timeline/story/service/StoryItemService.java
index 1cdd20e..3ea8db1 100644
--- a/timeline-story-service/src/main/java/com/timeline/story/service/StoryItemService.java
+++ b/timeline-story-service/src/main/java/com/timeline/story/service/StoryItemService.java
@@ -27,4 +27,37 @@ public interface StoryItemService {
     // StoryItemShareVo getItemByShareId(String shareId);
 
     Map<String, Object> searchItems(String keyword, Integer pageNum, Integer pageSize);
+
+    /**
+     * 批量更新时间线节点排序
+     * 
+     * 功能描述：
+     * 根据前端传递的排序数据，批量更新各节点的 sortOrder 字段。
+     * 该方法支持事务处理，确保所有排序更新原子性完成。
+     * 
+     * @param items 排序数据列表，每个元素包含 instanceId 和 sortOrder
+     */
+    void updateItemsOrder(List<Map<String, Object>> items);
+
+    /**
+     * 批量删除时间线节点
+     * 
+     * 功能描述：
+     * 根据节点ID列表批量软删除时间线节点。
+     * 软删除仅标记 is_delete 字段，数据可恢复。
+     * 
+     * @param instanceIds 要删除的节点ID列表
+     */
+    void batchDeleteItems(List<String> instanceIds);
+
+    /**
+     * 批量修改时间线节点时间
+     * 
+     * 功能描述：
+     * 批量修改多个节点的 storyItemTime 字段。
+     * 
+     * @param instanceIds   要修改的节点ID列表
+     * @param storyItemTime 新的时间值
+     */
+    void batchUpdateItemTime(List<String> instanceIds, String storyItemTime);
 }
diff --git a/timeline-story-service/src/main/java/com/timeline/story/service/StoryPermissionService.java b/timeline-story-service/src/main/java/com/timeline/story/service/StoryPermissionService.java
index 831cbf2..c0ecd5a 100644
--- a/timeline-story-service/src/main/java/com/timeline/story/service/StoryPermissionService.java
+++ b/timeline-story-service/src/main/java/com/timeline/story/service/StoryPermissionService.java
@@ -7,12 +7,26 @@ import java.util.List;
 
 public interface StoryPermissionService {
     void createPermission(StoryPermissionVo permissionVo);
+
     void updatePermission(StoryPermissionVo permissionVo);
+
     void deletePermission(String permissionId);
+
     StoryPermission getPermissionById(String permissionId);
+
     List<StoryPermission> getPermissionsByStoryId(String storyInstanceId);
+
     List<StoryPermission> getPermissionsByUserId(String userId);
+
     StoryPermission getPermissionByStoryAndUser(String storyInstanceId, String userId);
+
     boolean checkUserPermission(String storyInstanceId, String userId, Integer requiredPermissionType);
+
     List<StoryPermission> getPermissionsByStoryAndType(String storyInstanceId, Integer permissionType);
+
+    void inviteUser(StoryPermissionVo permissionVo);
+
+    void acceptInvite(String permissionId);
+
+    void rejectInvite(String permissionId);
 }
diff --git a/timeline-story-service/src/main/java/com/timeline/story/service/TagService.java b/timeline-story-service/src/main/java/com/timeline/story/service/TagService.java
new file mode 100644
index 0000000..d7dbf1b
--- /dev/null
+++ b/timeline-story-service/src/main/java/com/timeline/story/service/TagService.java
@@ -0,0 +1,135 @@
+package com.timeline.story.service;
+
+import com.timeline.story.entity.Tag;
+import com.timeline.story.vo.TagVo;
+
+import java.util.List;
+
+/**
+ * TagService - 标签服务接口
+ * 
+ * 功能描述：
+ * 提供标签的 CRUD 操作和节点标签关联管理。
+ * 
+ * 功能列表：
+ * - 创建标签
+ * - 更新标签
+ * - 删除标签
+ * - 获取用户标签列表
+ * - 为节点添加标签
+ * - 移除节点标签
+ * - 获取节点的标签列表
+ * 
+ * @author Timeline Team
+ * @date 2024
+ */
+public interface TagService {
+
+    /**
+     * 创建标签
+     * 
+     * @param tagVo 标签信息
+     * @return 创建的标签
+     */
+    Tag createTag(TagVo tagVo);
+
+    /**
+     * 更新标签
+     * 
+     * @param tagInstanceId 标签ID
+     * @param tagVo 标签信息
+     * @return 更新后的标签
+     */
+    Tag updateTag(String tagInstanceId, TagVo tagVo);
+
+    /**
+     * 删除标签
+     * 同时删除所有关联关系
+     * 
+     * @param tagInstanceId 标签ID
+     */
+    void deleteTag(String tagInstanceId);
+
+    /**
+     * 获取标签详情
+     * 
+     * @param tagInstanceId 标签ID
+     * @return 标签信息
+     */
+    Tag getTagById(String tagInstanceId);
+
+    /**
+     * 获取用户的所有标签
+     * 
+     * @param userId 用户ID
+     * @return 标签列表
+     */
+    List<Tag> getTagsByUserId(String userId);
+
+    /**
+     * 搜索标签
+     * 根据名称模糊搜索
+     * 
+     * @param keyword 关键词
+     * @param userId 用户ID
+     * @return 匹配的标签列表
+     */
+    List<Tag> searchTags(String keyword, String userId);
+
+    /**
+     * 为节点添加标签
+     * 
+     * @param storyItemId 节点ID
+     * @param tagInstanceId 标签ID
+     */
+    void addTagToStoryItem(String storyItemId, String tagInstanceId);
+
+    /**
+     * 为节点批量添加标签
+     * 
+     * @param storyItemId 节点ID
+     * @param tagInstanceIds 标签ID列表
+     */
+    void addTagsToStoryItem(String storyItemId, List<String> tagInstanceIds);
+
+    /**
+     * 移除节点标签
+     * 
+     * @param storyItemId 节点ID
+     * @param tagInstanceId 标签ID
+     */
+    void removeTagFromStoryItem(String storyItemId, String tagInstanceId);
+
+    /**
+     * 移除节点的所有标签
+     * 
+     * @param storyItemId 节点ID
+     */
+    void removeAllTagsFromStoryItem(String storyItemId);
+
+    /**
+     * 获取节点的标签列表
+     * 
+     * @param storyItemId 节点ID
+     * @return 标签列表
+     */
+    List<Tag> getTagsByStoryItemId(String storyItemId);
+
+    /**
+     * 获取标签下的节点数量
+     * 
+     * @param tagInstanceId 标签ID
+     * @return 节点数量
+     */
+    int getStoryItemCountByTag(String tagInstanceId);
+
+    /**
+     * 获取热门标签
+     * 按使用次数排序
+     * 
+     * @param userId 用户ID
+     * @param limit 返回数量
+     * @return 热门标签列表
+     */
+    List<Tag> getHotTags(String userId, int limit);
+}
diff --git a/timeline-story-service/src/main/java/com/timeline/story/service/impl/StoryItemServiceImpl.java b/timeline-story-service/src/main/java/com/timeline/story/service/impl/StoryItemServiceImpl.java
index b5aba7c..1b35521 100644
--- a/timeline-story-service/src/main/java/com/timeline/story/service/impl/StoryItemServiceImpl.java
+++ b/timeline-story-service/src/main/java/com/timeline/story/service/impl/StoryItemServiceImpl.java
@@ -112,4 +112,100 @@ public class StoryItemServiceImpl implements StoryItemService {
         result.put("total", pageInfo.getTotal());
         return result;
     }
+
+    /**
+     * 批量更新时间线节点排序
+     * 
+     * 实现思路：
+     * 1. 使用事务确保批量更新的原子性
+     * 2. 遍历排序数据，逐个更新节点的 sortOrder 字段
+     * 3. 同时更新 updateTime 时间戳
+     * 
+     * 注意事项：
+     * - 该方法需要在事务中执行，确保数据一致性
+     * - 如果任一更新失败，整个事务将回滚
+     * 
+     * @param items 排序数据列表
+     */
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public void updateItemsOrder(List<Map<String, Object>> items) {
+        String currentUserId = UserContextUtils.getCurrentUserId();
+        LocalDateTime now = LocalDateTime.now();
+
+        for (Map<String, Object> item : items) {
+            String instanceId = (String) item.get("instanceId");
+            Integer sortOrder = ((Number) item.get("sortOrder")).intValue();
+
+            // 构建更新参数
+            Map<String, Object> params = new HashMap<>();
+            params.put("instanceId", instanceId);
+            params.put("sortOrder", sortOrder);
+            params.put("updateId", currentUserId);
+            params.put("updateTime", now);
+
+            storyItemMapper.updateOrder(params);
+            log.debug("更新节点排序: instanceId={}, sortOrder={}", instanceId, sortOrder);
+        }
+
+        log.info("批量更新排序完成，共更新 {} 个节点", items.size());
+    }
+
+    /**
+     * 批量删除时间线节点
+     * 
+     * 实现思路：
+     * 1. 使用事务确保批量删除的原子性
+     * 2. 遍历节点ID列表，逐个执行软删除
+     * 3. 软删除仅标记 is_delete = 1，数据可恢复
+     * 
+     * 注意事项：
+     * - 该方法需要在事务中执行
+     * - 如果任一删除失败，整个事务将回滚
+     * 
+     * @param instanceIds 要删除的节点ID列表
+     */
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public void batchDeleteItems(List<String> instanceIds) {
+        for (String instanceId : instanceIds) {
+            storyItemMapper.deleteByItemId(instanceId);
+            log.debug("软删除节点: instanceId={}", instanceId);
+        }
+        log.info("批量删除完成，共删除 {} 个节点", instanceIds.size());
+    }
+
+    /**
+     * 批量修改时间线节点时间
+     * 
+     * 实现思路：
+     * 1. 使用事务确保批量修改的原子性
+     * 2. 遍历节点ID列表，逐个更新时间字段
+     * 3. 同时更新 updateTime 时间戳
+     * 
+     * @param instanceIds   要修改的节点ID列表
+     * @param storyItemTime 新的时间值
+     */
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public void batchUpdateItemTime(List<String> instanceIds, String storyItemTime) {
+        String currentUserId = UserContextUtils.getCurrentUserId();
+        LocalDateTime now = LocalDateTime.now();
+
+        // 解析时间字符串为 LocalDateTime
+        LocalDateTime parsedTime = LocalDateTime.parse(storyItemTime.replace(" ", "T"));
+
+        for (String instanceId : instanceIds) {
+            Map<String, Object> params = new HashMap<>();
+            params.put("instanceId", instanceId);
+            params.put("storyItemTime", parsedTime);
+            params.put("updateId", currentUserId);
+            params.put("updateTime", now);
+
+            storyItemMapper.updateItemTime(params);
+            log.debug("更新节点时间: instanceId={}, storyItemTime={}", instanceId, storyItemTime);
+        }
+
+        log.info("批量修改时间完成，共修改 {} 个节点", instanceIds.size());
+    }
 }
diff --git a/timeline-story-service/src/main/java/com/timeline/story/service/impl/StoryPermissionServiceImpl.java b/timeline-story-service/src/main/java/com/timeline/story/service/impl/StoryPermissionServiceImpl.java
index db1bd7b..dc5d6a8 100644
--- a/timeline-story-service/src/main/java/com/timeline/story/service/impl/StoryPermissionServiceImpl.java
+++ b/timeline-story-service/src/main/java/com/timeline/story/service/impl/StoryPermissionServiceImpl.java
@@ -29,6 +29,7 @@ public class StoryPermissionServiceImpl implements StoryPermissionService {
     private StoryPermissionMapper storyPermissionMapper;
     @Autowired
     private UserServiceClient userServiceClient;
+
     private String getCurrentUserId() {
         String uid = UserContextUtils.getCurrentUserId();
         if (uid == null) {
@@ -45,10 +46,13 @@ public class StoryPermissionServiceImpl implements StoryPermissionService {
             if (currentUserId.equals(permissionVo.getUserId()) && permissionVo.getPermissionType() != 1) {
                 throw new CustomException(ResponseEnum.BAD_REQUEST, "不能授权给自己");
             }
-            StoryPermission selectByStoryAndUser = storyPermissionMapper.selectByStoryAndUser(permissionVo.getStoryInstanceId(), permissionVo.getUserId());;
+            StoryPermission selectByStoryAndUser = storyPermissionMapper
+                    .selectByStoryAndUser(permissionVo.getStoryInstanceId(), permissionVo.getUserId());
+
             if (selectByStoryAndUser != null) {
                 log.info("用户已有该故事权限，更新当前权限为：{}", permissionVo.getPermissionType());
-                selectByStoryAndUser.setPermissionType(permissionVo.getPermissionType());;
+                selectByStoryAndUser.setPermissionType(permissionVo.getPermissionType());
+
                 selectByStoryAndUser.setUpdateTime(LocalDateTime.now());
                 storyPermissionMapper.update(selectByStoryAndUser);
                 return;
@@ -61,19 +65,20 @@ public class StoryPermissionServiceImpl implements StoryPermissionService {
             } else if (response.getData() == null) {
                 throw new CustomException(ResponseEnum.BAD_REQUEST, "用户不存在");
             }
-            log.info("新建故事{} 授权 {} 给 {}", permissionVo.getStoryInstanceId(), permissionVo.getPermissionType(), permissionVo.getUserId());
+            log.info("新建故事{} 授权 {} 给 {}", permissionVo.getStoryInstanceId(), permissionVo.getPermissionType(),
+                    permissionVo.getUserId());
             StoryPermission permission = new StoryPermission();
             BeanUtils.copyProperties(permissionVo, permission);
             permission.setPermissionId(IdUtils.randomUuidUpper());
             permission.setCreateTime(LocalDateTime.now());
             permission.setUpdateTime(LocalDateTime.now());
             permission.setIsDeleted(CommonConstants.NOT_DELETED);
+            permission.setInviteStatus(1); // Direct creation is accepted
             storyPermissionMapper.insert(permission);
 
-        } catch(CustomException e) {
+        } catch (CustomException e) {
             throw e;
-        }
-         catch (Exception e) {
+        } catch (Exception e) {
             log.error("创建权限失败", e);
             throw new CustomException(ResponseEnum.INTERNAL_SERVER_ERROR, "创建权限失败");
         }
@@ -142,6 +147,11 @@ public class StoryPermissionServiceImpl implements StoryPermissionService {
             return false;
         }
 
+        // Check invite status: Must be ACCEPTED (1)
+        if (permission.getInviteStatus() != null && permission.getInviteStatus() != 1) {
+            return false;
+        }
+
         // 权限类型数字越小权限越高
         return permission.getPermissionType() <= requiredPermissionType;
     }
@@ -150,4 +160,87 @@ public class StoryPermissionServiceImpl implements StoryPermissionService {
     public List<StoryPermission> getPermissionsByStoryAndType(String storyInstanceId, Integer permissionType) {
         return storyPermissionMapper.selectByStoryAndPermissionType(storyInstanceId, permissionType);
     }
+
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public void inviteUser(StoryPermissionVo permissionVo) {
+        try {
+            // Check if user exists (Feign)
+            ResponseEntity<Map> response = userServiceClient.getUserByUserId(permissionVo.getUserId());
+            if (response.getCode() != 200 || response.getData() == null) {
+                throw new CustomException(ResponseEnum.BAD_REQUEST, "用户不存在");
+            }
+
+            StoryPermission existing = storyPermissionMapper.selectByStoryAndUser(permissionVo.getStoryInstanceId(),
+                    permissionVo.getUserId());
+            if (existing != null) {
+                if (existing.getInviteStatus() != null && existing.getInviteStatus() == 1) {
+                    throw new CustomException(ResponseEnum.BAD_REQUEST, "用户已经是协作者");
+                }
+                // Update existing to PENDING
+                existing.setPermissionType(permissionVo.getPermissionType());
+                existing.setInviteStatus(0);
+                storyPermissionMapper.update(existing);
+                storyPermissionMapper.updateInviteStatus(existing.getPermissionId(), 0);
+            } else {
+                StoryPermission permission = new StoryPermission();
+                BeanUtils.copyProperties(permissionVo, permission);
+                permission.setPermissionId(IdUtils.randomUuidUpper());
+                permission.setCreateTime(LocalDateTime.now());
+                permission.setUpdateTime(LocalDateTime.now());
+                permission.setIsDeleted(CommonConstants.NOT_DELETED);
+                permission.setInviteStatus(0); // PENDING
+                storyPermissionMapper.insert(permission);
+            }
+            // TODO: Send notification
+        } catch (CustomException e) {
+            throw e;
+        } catch (Exception e) {
+            log.error("邀请用户失败", e);
+            throw new CustomException(ResponseEnum.INTERNAL_SERVER_ERROR, "邀请用户失败");
+        }
+    }
+
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public void acceptInvite(String permissionId) {
+        try {
+            StoryPermission permission = storyPermissionMapper.selectByPermissionId(permissionId);
+            if (permission == null) {
+                throw new CustomException(ResponseEnum.NOT_FOUND, "邀请不存在");
+            }
+            // Check if current user is the invitee
+            String currentUserId = getCurrentUserId();
+            if (!permission.getUserId().equals(currentUserId)) {
+                throw new CustomException(ResponseEnum.FORBIDDEN, "无权操作此邀请");
+            }
+            storyPermissionMapper.updateInviteStatus(permissionId, 1); // ACCEPTED
+        } catch (CustomException e) {
+            throw e;
+        } catch (Exception e) {
+            log.error("接受邀请失败", e);
+            throw new CustomException(ResponseEnum.INTERNAL_SERVER_ERROR, "接受邀请失败");
+        }
+    }
+
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public void rejectInvite(String permissionId) {
+        try {
+            StoryPermission permission = storyPermissionMapper.selectByPermissionId(permissionId);
+            if (permission == null) {
+                throw new CustomException(ResponseEnum.NOT_FOUND, "邀请不存在");
+            }
+            String currentUserId = getCurrentUserId();
+            if (!permission.getUserId().equals(currentUserId)) {
+                throw new CustomException(ResponseEnum.FORBIDDEN, "无权操作此邀请");
+            }
+            storyPermissionMapper.updateInviteStatus(permissionId, 2); // REJECTED
+        } catch (CustomException e) {
+            throw e;
+        } catch (Exception e) {
+            log.error("拒绝邀请失败", e);
+            throw new CustomException(ResponseEnum.INTERNAL_SERVER_ERROR, "拒绝邀请失败");
+        }
+    }
 }
diff --git a/timeline-story-service/src/main/java/com/timeline/story/vo/CommentVo.java b/timeline-story-service/src/main/java/com/timeline/story/vo/CommentVo.java
new file mode 100644
index 0000000..a66fc0e
--- /dev/null
+++ b/timeline-story-service/src/main/java/com/timeline/story/vo/CommentVo.java
@@ -0,0 +1,95 @@
+package com.timeline.story.vo;
+
+import lombok.Data;
+
+import java.time.LocalDateTime;
+import java.util.List;
+
+/**
+ * CommentVo - 评论值对象
+ * 
+ * 功能描述：
+ * 封装评论信息，包含用户信息和回复列表。
+ * 用于前端展示评论树结构。
+ * 
+ * @author Timeline Team
+ * @date 2024
+ */
+@Data
+public class CommentVo {
+
+    /**
+     * 评论ID
+     */
+    private String instanceId;
+
+    /**
+     * 时间线节点ID
+     */
+    private String storyItemId;
+
+    /**
+     * 评论用户ID
+     */
+    private String userId;
+
+    /**
+     * 评论用户名
+     */
+    private String userName;
+
+    /**
+     * 评论用户头像
+     */
+    private String userAvatar;
+
+    /**
+     * 父评论ID
+     */
+    private String parentId;
+
+    /**
+     * 回复的用户ID
+     */
+    private String replyToUserId;
+
+    /**
+     * 回复的用户名
+     */
+    private String replyToUserName;
+
+    /**
+     * 评论内容
+     */
+    private String content;
+
+    /**
+     * 点赞数
+     */
+    private Integer likeCount;
+
+    /**
+     * 当前用户是否已点赞
+     */
+    private Boolean hasLiked;
+
+    /**
+     * 回复数量
+     */
+    private Integer replyCount;
+
+    /**
+     * 回复列表（子评论）
+     */
+    private List<CommentVo> replies;
+
+    /**
+     * 创建时间
+     */
+    private LocalDateTime createTime;
+
+    /**
+     * 更新时间
+     */
+    private LocalDateTime updateTime;
+}
diff --git a/timeline-story-service/src/main/java/com/timeline/story/vo/NotificationVo.java b/timeline-story-service/src/main/java/com/timeline/story/vo/NotificationVo.java
new file mode 100644
index 0000000..ec1cc14
--- /dev/null
+++ b/timeline-story-service/src/main/java/com/timeline/story/vo/NotificationVo.java
@@ -0,0 +1,88 @@
+package com.timeline.story.vo;
+
+import lombok.Data;
+
+import java.time.LocalDateTime;
+
+/**
+ * NotificationVo - 消息通知值对象
+ * 
+ * 功能描述：
+ * 封装消息通知信息，用于前端展示。
+ * 
+ * @author Timeline Team
+ * @date 2024
+ */
+@Data
+public class NotificationVo {
+
+    /**
+     * 通知ID
+     */
+    private String instanceId;
+
+    /**
+     * 消息类型
+     */
+    private String type;
+
+    /**
+     * 消息类型描述
+     */
+    private String typeDesc;
+
+    /**
+     * 消息标题
+     */
+    private String title;
+
+    /**
+     * 消息内容
+     */
+    private String content;
+
+    /**
+     * 关联ID
+     */
+    private String relatedId;
+
+    /**
+     * 关联类型
+     */
+    private String relatedType;
+
+    /**
+     * 发送者ID
+     */
+    private String senderId;
+
+    /**
+     * 发送者名称
+     */
+    private String senderName;
+
+    /**
+     * 发送者头像
+     */
+    private String senderAvatar;
+
+    /**
+     * 是否已读
+     */
+    private Boolean isRead;
+
+    /**
+     * 阅读时间
+     */
+    private LocalDateTime readTime;
+
+    /**
+     * 创建时间
+     */
+    private LocalDateTime createTime;
+
+    /**
+     * 相对时间描述（如：刚刚、5分钟前）
+     */
+    private String timeAgo;
+}
diff --git a/timeline-story-service/src/main/java/com/timeline/story/vo/ReminderVo.java b/timeline-story-service/src/main/java/com/timeline/story/vo/ReminderVo.java
new file mode 100644
index 0000000..1fb8a8a
--- /dev/null
+++ b/timeline-story-service/src/main/java/com/timeline/story/vo/ReminderVo.java
@@ -0,0 +1,95 @@
+package com.timeline.story.vo;
+
+import lombok.Data;
+
+import java.time.LocalDateTime;
+
+/**
+ * ReminderVo - 提醒值对象
+ * 
+ * 功能描述：
+ * 封装提醒信息，用于前端展示和创建。
+ * 
+ * @author Timeline Team
+ * @date 2024
+ */
+@Data
+public class ReminderVo {
+
+    /**
+     * 提醒ID
+     */
+    private String instanceId;
+
+    /**
+     * 提醒类型
+     * RECORD/MEMORY/ANNIVERSARY/CUSTOM
+     */
+    private String type;
+
+    /**
+     * 提醒类型描述
+     */
+    private String typeDesc;
+
+    /**
+     * 提醒标题
+     */
+    private String title;
+
+    /**
+     * 提醒内容
+     */
+    private String content;
+
+    /**
+     * 关联的故事ID
+     */
+    private String storyInstanceId;
+
+    /**
+     * 关联的故事标题
+     */
+    private String storyTitle;
+
+    /**
+     * 关联的节点ID
+     */
+    private String storyItemId;
+
+    /**
+     * 提醒时间
+     */
+    private LocalDateTime remindTime;
+
+    /**
+     * 重复类型
+     * NONE/DAILY/WEEKLY/MONTHLY/YEARLY
+     */
+    private String repeatType;
+
+    /**
+     * 重复类型描述
+     */
+    private String repeatTypeDesc;
+
+    /**
+     * 是否已发送
+     */
+    private Boolean isSent;
+
+    /**
+     * 发送时间
+     */
+    private LocalDateTime sentTime;
+
+    /**
+     * 是否启用
+     */
+    private Boolean isEnabled;
+
+    /**
+     * 创建时间
+     */
+    private LocalDateTime createTime;
+}
diff --git a/timeline-story-service/src/main/java/com/timeline/story/vo/SearchResultVo.java b/timeline-story-service/src/main/java/com/timeline/story/vo/SearchResultVo.java
new file mode 100644
index 0000000..19e7520
--- /dev/null
+++ b/timeline-story-service/src/main/java/com/timeline/story/vo/SearchResultVo.java
@@ -0,0 +1,120 @@
+package com.timeline.story.vo;
+
+import lombok.Data;
+
+import java.time.LocalDateTime;
+import java.util.List;
+
+/**
+ * SearchResultVo - 搜索结果值对象
+ * 
+ * 功能描述：
+ * 封装搜索结果数据，包含分页信息和高亮内容。
+ * 
+ * @author Timeline Team
+ * @date 2024
+ */
+@Data
+public class SearchResultVo {
+
+    /**
+     * 搜索结果列表
+     */
+    private List<SearchItemVo> list;
+
+    /**
+     * 总数量
+     */
+    private long total;
+
+    /**
+     * 当前页码
+     */
+    private int pageNum;
+
+    /**
+     * 每页数量
+     */
+    private int pageSize;
+
+    /**
+     * 搜索耗时（毫秒）
+     */
+    private long took;
+
+    /**
+     * 是否有更多结果
+     */
+    private boolean hasMore;
+
+    /**
+     * 搜索项值对象
+     */
+    @Data
+    public static class SearchItemVo {
+        /**
+         * 节点ID
+         */
+        private String instanceId;
+
+        /**
+         * 所属故事ID
+         */
+        private String storyInstanceId;
+
+        /**
+         * 故事标题
+         */
+        private String storyTitle;
+
+        /**
+         * 节点标题
+         */
+        private String title;
+
+        /**
+         * 高亮标题（包含 <em> 标签）
+         */
+        private String highlightTitle;
+
+        /**
+         * 节点描述
+         */
+        private String description;
+
+        /**
+         * 高亮描述
+         */
+        private String highlightDescription;
+
+        /**
+         * 时间
+         */
+        private LocalDateTime storyItemTime;
+
+        /**
+         * 地点
+         */
+        private String location;
+
+        /**
+         * 标签列表
+         */
+        private List<String> tags;
+
+        /**
+         * 创建者名称
+         */
+        private String createName;
+
+        /**
+         * 创建时间
+         */
+        private LocalDateTime createTime;
+
+        /**
+         * 相关性得分
+         */
+        private float score;
+    }
+}
diff --git a/timeline-story-service/src/main/java/com/timeline/story/vo/StoryPermissionVo.java b/timeline-story-service/src/main/java/com/timeline/story/vo/StoryPermissionVo.java
index b964c74..1c44ee8 100644
--- a/timeline-story-service/src/main/java/com/timeline/story/vo/StoryPermissionVo.java
+++ b/timeline-story-service/src/main/java/com/timeline/story/vo/StoryPermissionVo.java
@@ -10,4 +10,5 @@ public class StoryPermissionVo {
     private String storyInstanceId;
     private String userId;
     private Integer permissionType; // 1-创建者，2-仅查看，3-可新增，4-可管理
+    private Integer inviteStatus; // 0-待处理, 1-已接受, 2-已拒绝
 }
diff --git a/timeline-story-service/src/main/java/com/timeline/story/vo/TagVo.java b/timeline-story-service/src/main/java/com/timeline/story/vo/TagVo.java
new file mode 100644
index 0000000..b28adde
--- /dev/null
+++ b/timeline-story-service/src/main/java/com/timeline/story/vo/TagVo.java
@@ -0,0 +1,53 @@
+package com.timeline.story.vo;
+
+import lombok.Data;
+
+import java.time.LocalDateTime;
+
+/**
+ * TagVo - 标签值对象
+ * 
+ * 功能描述：
+ * 封装标签信息，用于前端展示和创建。
+ * 
+ * @author Timeline Team
+ * @date 2024
+ */
+@Data
+public class TagVo {
+
+    /**
+     * 标签ID
+     */
+    private String instanceId;
+
+    /**
+     * 标签名称
+     */
+    private String name;
+
+    /**
+     * 标签颜色
+     */
+    private String color;
+
+    /**
+     * 创建者ID
+     */
+    private String ownerId;
+
+    /**
+     * 创建时间
+     */
+    private LocalDateTime createTime;
+
+    /**
+     * 更新时间
+     */
+    private LocalDateTime updateTime;
+
+    /**
+     * 使用次数
+     */
+    private Integer usageCount;
+}
diff --git a/timeline-story-service/src/main/java/com/timeline/story/vo/TimelineAnalyticsVo.java b/timeline-story-service/src/main/java/com/timeline/story/vo/TimelineAnalyticsVo.java
new file mode 100644
index 0000000..f2f7482
--- /dev/null
+++ b/timeline-story-service/src/main/java/com/timeline/story/vo/TimelineAnalyticsVo.java
@@ -0,0 +1,168 @@
+package com.timeline.story.vo;
+
+import lombok.Data;
+
+import java.util.List;
+import java.util.Map;
+
+/**
+ * TimelineAnalyticsVo - 时间线数据分析值对象
+ * 
+ * 功能描述：
+ * 封装用户时间线的统计数据，用于数据分析面板展示。
+ * 
+ * 数据维度：
+ * - 总体统计：时刻数、媒体数、协作数
+ * - 时间分布：按年/月/周统计
+ * - 地点分布：热门地点
+ * - 标签分布：热门标签
+ * - 活跃度：记录频率
+ * 
+ * @author Timeline Team
+ * @date 2024
+ */
+@Data
+public class TimelineAnalyticsVo {
+
+    /**
+     * 总时刻数
+     */
+    private Long totalMoments;
+
+    /**
+     * 总媒体文件数
+     */
+    private Long totalMedia;
+
+    /**
+     * 图片数量
+     */
+    private Long imageCount;
+
+    /**
+     * 视频数量
+     */
+    private Long videoCount;
+
+    /**
+     * 总故事数
+     */
+    private Long totalStories;
+
+    /**
+     * 协作故事数
+     */
+    private Long collaborationCount;
+
+    /**
+     * 总评论数
+     */
+    private Long totalComments;
+
+    /**
+     * 总点赞数
+     */
+    private Long totalLikes;
+
+    /**
+     * 总收藏数
+     */
+    private Long totalFavorites;
+
+    /**
+     * 月度记录趋势
+     * key: 月份 (yyyy-MM)
+     * value: 记录数量
+     */
+    private List<MonthlyStats> monthlyTrend;
+
+    /**
+     * 周记录分布
+     * key: 星期 (1-7)
+     * value: 记录数量
+     */
+    private Map<Integer, Long> weeklyDistribution;
+
+    /**
+     * 小时分布
+     * key: 小时 (0-23)
+     * value: 记录数量
+     */
+    private Map<Integer, Long> hourlyDistribution;
+
+    /**
+     * 热门地点 Top 10
+     */
+    private List<LocationStats> topLocations;
+
+    /**
+     * 热门标签 Top 10
+     */
+    private List<TagStats> topTags;
+
+    /**
+     * 最近活跃日期
+     */
+    private String lastActiveDate;
+
+    /**
+     * 连续记录天数
+     */
+    private Integer consecutiveDays;
+
+    /**
+     * 最长连续记录天数
+     */
+    private Integer maxConsecutiveDays;
+
+    /**
+     * 年度报告数据
+     */
+    private YearlyReport yearlyReport;
+
+    /**
+     * 月度统计
+     */
+    @Data
+    public static class MonthlyStats {
+        private String month;
+        private Long count;
+        private Long mediaCount;
+    }
+
+    /**
+     * 地点统计
+     */
+    @Data
+    public static class LocationStats {
+        private String location;
+        private Long count;
+        private Double percentage;
+    }
+
+    /**
+     * 标签统计
+     */
+    @Data
+    public static class TagStats {
+        private String tag;
+        private String color;
+        private Long count;
+        private Double percentage;
+    }
+
+    /**
+     * 年度报告
+     */
+    @Data
+    public static class YearlyReport {
+        private Integer year;
+        private Long totalMoments;
+        private Long totalMedia;
+        private String mostActiveMonth;
+        private String mostActiveDay;
+        private String topLocation;
+        private String topTag;
+        private List<MonthlyStats> monthlyBreakdown;
+    }
+}
diff --git a/timeline-story-service/src/main/resources/com/timeline/story/dao/StoryItemMapper.xml b/timeline-story-service/src/main/resources/com/timeline/story/dao/StoryItemMapper.xml
index ba86f3b..18f6d67 100644
--- a/timeline-story-service/src/main/resources/com/timeline/story/dao/StoryItemMapper.xml
+++ b/timeline-story-service/src/main/resources/com/timeline/story/dao/StoryItemMapper.xml
@@ -112,4 +112,46 @@
         ORDER BY
             si.story_item_time DESC
     </select>
+
+    <!--
+        更新节点排序值
+        
+        功能描述：
+        根据拖拽排序结果更新节点的 sort_order 字段。
+        同时更新 update_id 和 update_time 以记录修改信息。
+        
+        参数说明：
+        - instanceId: 节点唯一标识
+        - sortOrder: 新的排序值（数值越小越靠前）
+        - updateId: 操作用户ID
+        - updateTime: 更新时间
+    -->
+    <update id="updateOrder">
+        UPDATE story_item
+        SET sort_order = #{sortOrder},
+            update_id = #{updateId},
+            update_time = #{updateTime}
+        WHERE instance_id = #{instanceId}
+    </update>
+
+    <!--
+        更新节点时间
+        
+        功能描述：
+        批量修改节点时间时使用，更新 story_item_time 字段。
+        同时更新 update_id 和 update_time 以记录修改信息。
+        
+        参数说明：
+        - instanceId: 节点唯一标识
+        - storyItemTime: 新的时间值
+        - updateId: 操作用户ID
+        - updateTime: 更新时间
+    -->
+    <update id="updateItemTime">
+        UPDATE story_item
+        SET story_item_time = #{storyItemTime},
+            update_id = #{updateId},
+            update_time = #{updateTime}
+        WHERE instance_id = #{instanceId}
+    </update>
 </mapper>
diff --git a/timeline-story-service/src/main/resources/com/timeline/story/dao/StoryPermissionMapper.xml b/timeline-story-service/src/main/resources/com/timeline/story/dao/StoryPermissionMapper.xml
index 124a2e0..540a976 100644
--- a/timeline-story-service/src/main/resources/com/timeline/story/dao/StoryPermissionMapper.xml
+++ b/timeline-story-service/src/main/resources/com/timeline/story/dao/StoryPermissionMapper.xml
@@ -5,8 +5,8 @@
 <mapper namespace="com.timeline.story.dao.StoryPermissionMapper">
 
     <insert id="insert">
-        INSERT INTO story_permission (permission_id, story_instance_id, user_id, permission_type)
-        VALUES (#{permissionId}, #{storyInstanceId}, #{userId}, #{permissionType})
+        INSERT INTO story_permission (permission_id, story_instance_id, user_id, permission_type, invite_status)
+        VALUES (#{permissionId}, #{storyInstanceId}, #{userId}, #{permissionType}, #{inviteStatus})
     </insert> 
     <update id="update">
         UPDATE story_permission
@@ -15,6 +15,13 @@
         WHERE permission_id = #{permissionId} AND is_deleted = 0
     </update>
 
+    <update id="updateInviteStatus">
+        UPDATE story_permission
+        SET invite_status = #{inviteStatus},
+            update_time = NOW()
+        WHERE permission_id = #{permissionId} AND is_deleted = 0
+    </update>
+
     <update id="deleteByPermissionId">
         UPDATE story_permission
         SET is_deleted = 1
diff --git a/timeline-user-service/Dockerfile b/timeline-user-service/Dockerfile
index d856fc1..f6e83d8 100644
--- a/timeline-user-service/Dockerfile
+++ b/timeline-user-service/Dockerfile
@@ -1,4 +1,4 @@
-FROM eclipse-temurin:21-jdk
+FROM eclipse-temurin:21.0.2_13-jdk-alpine
 VOLUME /tmp
 COPY target/*.jar app.jar
 EXPOSE 30003