diff --git a/backend/db/sql/clickhouse/create_events.sql b/backend/db/sql/clickhouse/create_events.sql
index 9d3308a..5f008ae 100644
--- a/backend/db/sql/clickhouse/create_events.sql
+++ b/backend/db/sql/clickhouse/create_events.sql
@@ -1,6 +1,12 @@
 -- 删除旧表
 DROP TABLE IF EXISTS events;
 
+DROP TABLE IF EXISTS follower_events;
+
+DROP TABLE IF EXISTS like_events;
+
+DROP TABLE IF EXISTS view_events;
+
 DROP TABLE IF EXISTS mv_kol_performance;
 
 DROP TABLE IF EXISTS mv_platform_distribution;
diff --git a/backend/db/sql/clickhouse/sync_logs.sql b/backend/db/sql/clickhouse/sync_logs.sql
new file mode 100644
index 0000000..45e065b
--- /dev/null
+++ b/backend/db/sql/clickhouse/sync_logs.sql
@@ -0,0 +1,12 @@
+CREATE TABLE IF NOT EXISTS promote.sync_logs (
+  timestamp DateTime,
+  duration_ms UInt64,
+  posts_synced UInt32,
+  comments_synced UInt32,
+  influencer_changes_synced UInt32,
+  projects_synced UInt32,
+  success UInt8,
+  error_messages String
+) ENGINE = MergeTree()
+ORDER BY
+  (timestamp)
\ No newline at end of file
diff --git a/backend/package.json b/backend/package.json
index ac4f3ac..d3be60d 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -12,7 +12,8 @@
     "test:analytics": "tsx scripts/analytics-test.ts",
     "ch": "bash db/sql/clickhouse/ch-query.sh",
     "check-schema": "node db/db-inspector/run-all.js",
-    "pg": "node db/sql/postgres/pg-query.js"
+    "pg": "node db/sql/postgres/pg-query.js",
+    "manual-sync": "tsx src/scripts/manualSync.ts"
   },
   "keywords": [],
   "author": "",
@@ -39,6 +40,7 @@
     "@types/dotenv": "^8.2.3",
     "@types/jsonwebtoken": "^9.0.6",
     "@types/node": "^20.11.30",
+    "@types/pg": "^8.11.11",
     "@types/uuid": "^10.0.0",
     "@typescript-eslint/eslint-plugin": "^7.4.0",
     "@typescript-eslint/parser": "^7.4.0",
diff --git a/backend/src/index.ts b/backend/src/index.ts
index 1f81ccf..c8f7095 100644
--- a/backend/src/index.ts
+++ b/backend/src/index.ts
@@ -11,11 +11,9 @@ import commentsRouter from './routes/comments';
 import influencersRouter from './routes/influencers';
 import projectsRouter from './routes/projects';
 import { connectRedis } from './utils/redis';
-import { initClickHouse } from './utils/clickhouse';
 import { initWorkers } from './utils/queue';
-import { checkDatabaseConnection } from './utils/initDatabase';
 import { createSwaggerUI } from './swagger';
-import { initScheduledTaskWorkers } from './utils/scheduledTasks';
+import { initScheduledTaskWorkers, scheduleDatabaseSync } from './utils/scheduledTasks';
 
 // Create Hono app
 const app = new Hono();
@@ -64,23 +62,6 @@ const startServer = async () => {
       console.log('Continuing with mock Redis client...');
     }
     
-    // Initialize ClickHouse
-    try {
-      await initClickHouse();
-      console.log('ClickHouse initialized');
-    } catch (error) {
-      console.error('Failed to initialize ClickHouse:', error);
-      console.log('Continuing with limited analytics functionality...');
-    }
-    
-    // 检查数据库连接，但不自动初始化或修改数据库
-    try {
-      await checkDatabaseConnection();
-    } catch (error) {
-      console.error('Database connection check failed:', error);
-      console.log('Some features may not work correctly if database is not properly set up');
-    }
-    
     // Initialize workers for background processing
     console.log('🏗️ Initializing workers...');
     const workers = {
@@ -88,6 +69,16 @@ const startServer = async () => {
       scheduledTaskWorker: initScheduledTaskWorkers()
     };
     
+    // Schedule regular database sync task (every 15 minutes by default)
+    try {
+      console.log('📊 Setting up database sync scheduled task...');
+      await scheduleDatabaseSync();
+      console.log('Database sync task scheduled successfully');
+    } catch (error) {
+      console.error('Failed to schedule database sync task:', error);
+      console.log('Analytics data may not be automatically updated');
+    }
+    
     // Start server
     const port = Number(config.port);
     console.log(`Server starting on port ${port}...`);
diff --git a/backend/src/scripts/manualSync.ts b/backend/src/scripts/manualSync.ts
new file mode 100644
index 0000000..07d5295
--- /dev/null
+++ b/backend/src/scripts/manualSync.ts
@@ -0,0 +1,76 @@
+#!/usr/bin/env ts-node
+/**
+ * 手动运行PostgreSQL到ClickHouse的同步任务
+ * 
+ * 使用方法:
+ * npm run manual-sync
+ * 
+ * 或者带时间参数:
+ * npm run manual-sync -- --from="2025-03-11T00:00:00Z"
+ */
+
+import { syncAllData } from '../services/syncService';
+import * as dotenv from 'dotenv';
+import { join } from 'path';
+
+// 加载环境变量
+dotenv.config({ path: join(__dirname, '../../.env') });
+
+// 解析命令行参数
+const getParam = (paramName: string): string | undefined => {
+  const args = process.argv.slice(2);
+  const param = args.find(arg => arg.startsWith(`--${paramName}=`));
+  if (!param) return undefined;
+  
+  return param.split('=')[1];
+};
+
+async function main() {
+  try {
+    // 获取起始时间参数，默认为1小时前
+    const fromTime = getParam('from');
+    let fromTimestamp: string;
+    
+    if (fromTime) {
+      fromTimestamp = new Date(fromTime).toISOString();
+    } else {
+      const oneHourAgo = new Date();
+      oneHourAgo.setHours(oneHourAgo.getHours() - 1);
+      fromTimestamp = oneHourAgo.toISOString();
+    }
+    
+    console.log(`开始同步数据，起始时间: ${fromTimestamp}`);
+    
+    // 运行同步
+    const startTime = Date.now();
+    const result = await syncAllData(fromTimestamp);
+    const endTime = Date.now();
+    
+    // 输出结果
+    console.log('============================================');
+    console.log('同步任务完成！');
+    console.log('============================================');
+    console.log(`总耗时: ${(endTime - startTime) / 1000} 秒`);
+    console.log(`同步状态: ${result.success ? '成功' : '部分失败'}`);
+    console.log(`帖子同步数量: ${result.posts}`);
+    console.log(`评论同步数量: ${result.comments}`);
+    console.log(`KOL变化同步数量: ${result.influencer_changes}`);
+    console.log(`项目同步数量: ${result.projects}`);
+    
+    if (result.errors.length > 0) {
+      console.log('============================================');
+      console.log('错误信息:');
+      result.errors.forEach((err, index) => {
+        console.log(`${index + 1}. ${err}`);
+      });
+    }
+    
+    process.exit(0);
+  } catch (error) {
+    console.error('运行同步任务时发生错误:', error);
+    process.exit(1);
+  }
+}
+
+// 运行主函数
+main(); 
\ No newline at end of file
diff --git a/backend/src/services/syncService.ts b/backend/src/services/syncService.ts
new file mode 100644
index 0000000..ab5ed2f
--- /dev/null
+++ b/backend/src/services/syncService.ts
@@ -0,0 +1,707 @@
+import { Pool } from 'pg';
+import supabase from '../utils/supabase';
+import clickhouse from '../utils/clickhouse';
+import config from '../config';
+import { randomUUID } from 'crypto';
+
+// Define types for better type safety
+interface PostRecord {
+  post_id: string;
+  influencer_id: string;
+  platform: string;
+  project_id?: string;
+  title?: string;
+  description?: string;
+  published_at: string;
+  created_at: string;
+  influencer_name?: string;
+  followers_count?: number;
+}
+
+interface CommentRecord {
+  comment_id: string;
+  post_id: string;
+  user_id?: string;
+  content: string;
+  sentiment_score?: number;
+  created_at: string;
+  influencer_id: string;
+  platform: string;
+  project_id?: string;
+}
+
+interface InfluencerRecord {
+  influencer_id: string;
+  name: string;
+  platform: string;
+  followers_count: number;
+  video_count: number;
+  updated_at: string;
+}
+
+interface ProjectRecord {
+  id: string;
+  name: string;
+  description?: string;
+  created_at: string;
+}
+
+interface SyncStats {
+  success: boolean;
+  timestamp: string;
+  duration: number; // milliseconds
+  posts_synced: number;
+  comments_synced: number;
+  influencer_changes_synced: number;
+  projects_synced: number;
+  errors: string[];
+}
+
+// Initialize PostgreSQL client
+const pgPool = new Pool({
+  connectionString: process.env.DATABASE_URL || 'postgresql://postgres:postgres@localhost:5432/promote',
+});
+
+// Batch size
+const BATCH_SIZE = 100;
+
+/**
+ * Submits sync stats to ClickHouse
+ * @param stats Sync stats
+ */
+async function recordSyncStats(stats: SyncStats): Promise<void> {
+  try {
+    // 首先检查表是否存在，如果不存在则创建
+    await clickhouse.query({
+      query: `
+        CREATE TABLE IF NOT EXISTS ${config.clickhouse.database}.sync_logs (
+          timestamp DateTime,
+          duration_ms UInt32,
+          posts_synced UInt32,
+          comments_synced UInt32,
+          influencer_changes_synced UInt32,
+          projects_synced UInt32,
+          success UInt8,
+          error_messages String
+        ) ENGINE = MergeTree()
+        ORDER BY (timestamp)
+      `
+    });
+
+    // 构建INSERT语句
+    const insertQuery = `
+      INSERT INTO ${config.clickhouse.database}.sync_logs
+      (timestamp, duration_ms, posts_synced, comments_synced, influencer_changes_synced, 
+      projects_synced, success, error_messages)
+      VALUES ('${stats.timestamp}', ${stats.duration}, ${stats.posts_synced}, 
+              ${stats.comments_synced}, ${stats.influencer_changes_synced},
+              ${stats.projects_synced}, ${stats.success ? 1 : 0}, '${stats.errors.join('; ').replace(/'/g, "\\'")}')`
+    
+    console.log('[DEBUG] 要执行的同步统计插入语句:', insertQuery);
+    
+    // 注释掉实际执行的代码
+    // await clickhouse.query({
+    //   query: insertQuery
+    // });
+  } catch (error) {
+    console.error('Failed to record sync stats:', error);
+  }
+}
+
+/**
+ * 转义ClickHouse字符串中的特殊字符
+ */
+function escapeClickHouseString(str: string): string {
+  if (!str) return '';
+  return str.replace(/'/g, "\\'");
+}
+
+/**
+ * Syncs new posts from PostgreSQL to ClickHouse
+ * @param lastSyncTimestamp The timestamp of the last sync
+ */
+export async function syncNewPosts(lastSyncTimestamp: string): Promise<number> {
+  try {
+    // Get new posts from PostgreSQL
+    const query = `
+      SELECT 
+        p.post_id, 
+        p.influencer_id, 
+        p.platform, 
+        p.project_id,
+        p.title,
+        p.description,
+        p.published_at,
+        p.created_at,
+        i.name as influencer_name,
+        i.followers_count
+      FROM posts p
+      JOIN influencers i ON p.influencer_id = i.influencer_id
+      WHERE p.created_at > $1
+      ORDER BY p.created_at
+    `;
+    
+    const { rows: posts } = await pgPool.query<PostRecord>(query, [lastSyncTimestamp]);
+    
+    if (posts.length === 0) {
+      console.log('No new posts to sync');
+      return 0;
+    }
+    
+    console.log(`Found ${posts.length} new posts to sync`);
+    
+    let syncedCount = 0;
+    
+    // Batch processing to avoid processing too much data at once
+    for (let i = 0; i < posts.length; i += BATCH_SIZE) {
+      const batch = posts.slice(i, i + BATCH_SIZE);
+      
+      try {
+        // 准备批量插入的值部分
+        const values = batch.map(post => {
+          const eventId = randomUUID();
+          const timestamp = new Date(post.created_at).toISOString();
+          const date = timestamp.split('T')[0];
+          const hour = new Date(post.created_at).getHours();
+          const contentType = determineContentType(post.title || '', post.description || '');
+          const keywords = JSON.stringify(extractKeywords(post.title || ''));
+          
+          return `('${eventId}', '${timestamp}', '${date}', ${hour}, '', '${post.influencer_id}', '${post.post_id}', '${post.project_id || ''}', 'impression', 'exposure', '${escapeClickHouseString(post.platform)}', '${contentType}', 'approved', 'neutral', '', ${keywords}, 1.0, ${post.followers_count || 0}, 0, 0, 0, 0, '', '', '', '', '', '', '')`;
+        }).join(', ');
+        
+        // 构建完整插入查询
+        const insertQuery = `
+          INSERT INTO ${config.clickhouse.database}.events
+          (event_id, timestamp, date, hour, user_id, influencer_id, content_id, project_id, 
+          event_type, funnel_stage, platform, content_type, content_status, sentiment, 
+          comment_text, keywords, interaction_value, followers_count, followers_change, 
+          likes_count, likes_change, views_count, ip, user_agent, device_type, referrer, 
+          geo_country, geo_city, session_id)
+          VALUES ${values}`;
+        
+        console.log(`[DEBUG] 批次 ${i / BATCH_SIZE + 1} 帖子插入语句 (前500字符): ${insertQuery.substring(0, 500)}...`);
+        
+        // 看看values的值
+        if (batch.length > 0) {
+          console.log(`[DEBUG] 第一条帖子数据值: ${values.split('),')[0]})`);
+        }
+        
+        // 注释掉实际执行的代码
+        // await clickhouse.query({
+        //   query: insertQuery
+        // });
+        
+        syncedCount += batch.length;
+        console.log(`[DEBUG] 模拟同步批次 ${batch.length} 帖子 (${syncedCount}/${posts.length})`);
+      } catch (error) {
+        console.error(`Error syncing post batch ${i / BATCH_SIZE + 1}:`, error);
+      }
+    }
+    
+    console.log(`[DEBUG] 模拟成功同步 ${syncedCount} 帖子到 ClickHouse`);
+    return syncedCount;
+  } catch (error) {
+    console.error('Error syncing new posts:', error);
+    throw error;
+  }
+}
+
+/**
+ * Syncs new comments from PostgreSQL to ClickHouse
+ * @param lastSyncTimestamp The timestamp of the last sync
+ */
+export async function syncComments(lastSyncTimestamp: string): Promise<number> {
+  try {
+    // Get new comments from PostgreSQL
+    const query = `
+      SELECT 
+        c.comment_id, 
+        c.post_id, 
+        c.user_id, 
+        c.content, 
+        c.sentiment_score,
+        c.created_at,
+        p.influencer_id,
+        p.platform,
+        p.project_id
+      FROM comments c
+      JOIN posts p ON c.post_id = p.post_id
+      WHERE c.created_at > $1
+      ORDER BY c.created_at
+    `;
+    
+    const { rows: comments } = await pgPool.query<CommentRecord>(query, [lastSyncTimestamp]);
+    
+    if (comments.length === 0) {
+      console.log('No new comments to sync');
+      return 0;
+    }
+    
+    console.log(`Found ${comments.length} new comments to sync`);
+    
+    let syncedCount = 0;
+    
+    // Batch processing to avoid processing too much data at once
+    for (let i = 0; i < comments.length; i += BATCH_SIZE) {
+      const batch = comments.slice(i, i + BATCH_SIZE);
+      
+      try {
+        // 准备批量插入的值部分
+        const values = batch.map(comment => {
+          const eventId = randomUUID();
+          const timestamp = new Date(comment.created_at).toISOString();
+          const date = timestamp.split('T')[0];
+          const hour = new Date(comment.created_at).getHours();
+          const sentiment = determineSentiment(comment.sentiment_score || 0);
+          const keywords = JSON.stringify(extractKeywords(comment.content));
+          const escapedComment = escapeClickHouseString(comment.content);
+          
+          return `('${eventId}', '${timestamp}', '${date}', ${hour}, '${comment.user_id || ''}', '${comment.influencer_id}', '${comment.post_id}', '${comment.project_id || ''}', 'comment', 'consideration', '${escapeClickHouseString(comment.platform)}', 'text', 'approved', '${sentiment}', '${escapedComment}', ${keywords}, 3.0, 0, 0, 0, 0, 0, '', '', '', '', '', '', '')`;
+        }).join(', ');
+        
+        // 构建完整插入查询
+        const insertQuery = `
+          INSERT INTO ${config.clickhouse.database}.events
+          (event_id, timestamp, date, hour, user_id, influencer_id, content_id, project_id, 
+          event_type, funnel_stage, platform, content_type, content_status, sentiment, 
+          comment_text, keywords, interaction_value, followers_count, followers_change, 
+          likes_count, likes_change, views_count, ip, user_agent, device_type, referrer, 
+          geo_country, geo_city, session_id)
+          VALUES ${values}`;
+        
+        console.log(`[DEBUG] 批次 ${i / BATCH_SIZE + 1} 评论插入语句 (前500字符): ${insertQuery.substring(0, 500)}...`);
+        
+        // 看看values的值
+        if (batch.length > 0) {
+          console.log(`[DEBUG] 第一条评论数据值: ${values.split('),')[0]})`);
+        }
+        
+        // 注释掉实际执行的代码
+        // await clickhouse.query({
+        //   query: insertQuery
+        // });
+        
+        syncedCount += batch.length;
+        console.log(`[DEBUG] 模拟同步批次 ${batch.length} 评论 (${syncedCount}/${comments.length})`);
+      } catch (error) {
+        console.error(`Error syncing comment batch ${i / BATCH_SIZE + 1}:`, error);
+      }
+    }
+    
+    console.log(`[DEBUG] 模拟成功同步 ${syncedCount} 评论到 ClickHouse`);
+    return syncedCount;
+  } catch (error) {
+    console.error('Error syncing new comments:', error);
+    throw error;
+  }
+}
+
+/**
+ * Syncs project information from PostgreSQL to ClickHouse
+ * @param lastSyncTimestamp The timestamp of the last sync
+ */
+export async function syncProjects(lastSyncTimestamp: string): Promise<number> {
+  try {
+    // Get new projects and updated projects from PostgreSQL
+    const query = `
+      SELECT 
+        id, 
+        name, 
+        description,
+        created_at
+      FROM projects
+      WHERE created_at > $1 OR updated_at > $1
+      ORDER BY created_at
+    `;
+    
+    const { rows: projects } = await pgPool.query<ProjectRecord>(query, [lastSyncTimestamp]);
+    
+    if (projects.length === 0) {
+      console.log('No new projects to sync');
+      return 0;
+    }
+    
+    console.log(`Found ${projects.length} projects to sync`);
+    
+    let syncedCount = 0;
+    
+    // Batch processing
+    for (let i = 0; i < projects.length; i += BATCH_SIZE) {
+      const batch = projects.slice(i, i + BATCH_SIZE);
+      
+      try {
+        // 准备批量插入的值部分
+        const values = batch.map(project => {
+          const eventId = randomUUID();
+          const timestamp = new Date(project.created_at).toISOString();
+          const date = timestamp.split('T')[0];
+          const hour = new Date(project.created_at).getHours();
+          const keywords = JSON.stringify(extractKeywords(project.name + ' ' + (project.description || '')));
+          const escapedDesc = escapeClickHouseString(project.description || '');
+          
+          return `('${eventId}', '${timestamp}', '${date}', ${hour}, '', '', '', '${project.id}', 'project_update', 'interest', 'internal', 'text', 'approved', 'neutral', '${escapedDesc}', ${keywords}, 5.0, 0, 0, 0, 0, 0, '', '', '', '', '', '', '')`;
+        }).join(', ');
+        
+        // 构建完整插入查询
+        const insertQuery = `
+          INSERT INTO ${config.clickhouse.database}.events
+          (event_id, timestamp, date, hour, user_id, influencer_id, content_id, project_id, 
+          event_type, funnel_stage, platform, content_type, content_status, sentiment, 
+          comment_text, keywords, interaction_value, followers_count, followers_change, 
+          likes_count, likes_change, views_count, ip, user_agent, device_type, referrer, 
+          geo_country, geo_city, session_id)
+          VALUES ${values}`;
+        
+        console.log(`[DEBUG] 批次 ${i / BATCH_SIZE + 1} 项目插入语句 (前500字符): ${insertQuery.substring(0, 500)}...`);
+        
+        // 看看values的值
+        if (batch.length > 0) {
+          console.log(`[DEBUG] 第一条项目数据值: ${values.split('),')[0]})`);
+        }
+        
+        // 注释掉实际执行的代码
+        // await clickhouse.query({
+        //   query: insertQuery
+        // });
+        
+        syncedCount += batch.length;
+        console.log(`[DEBUG] 模拟同步批次 ${batch.length} 项目 (${syncedCount}/${projects.length})`);
+      } catch (error) {
+        console.error(`Error syncing project batch ${i / BATCH_SIZE + 1}:`, error);
+      }
+    }
+    
+    console.log(`[DEBUG] 模拟成功同步 ${syncedCount} 项目到 ClickHouse`);
+    return syncedCount;
+  } catch (error) {
+    console.error('Error syncing projects:', error);
+    throw error;
+  }
+}
+
+/**
+ * Syncs influencer metric changes from PostgreSQL to ClickHouse
+ * @param lastSyncTimestamp The timestamp of the last sync
+ */
+export async function syncInfluencerChanges(lastSyncTimestamp: string): Promise<number> {
+  try {
+    // Get influencers with updated metrics
+    const query = `
+      SELECT 
+        i.influencer_id, 
+        i.name, 
+        i.platform, 
+        i.followers_count,
+        i.video_count,
+        i.updated_at
+      FROM influencers i
+      WHERE i.updated_at > $1
+      ORDER BY i.updated_at
+    `;
+    
+    const { rows: influencers } = await pgPool.query<InfluencerRecord>(query, [lastSyncTimestamp]);
+    
+    if (influencers.length === 0) {
+      console.log('No influencer changes to sync');
+      return 0;
+    }
+    
+    console.log(`Found ${influencers.length} influencer changes to sync`);
+    
+    let syncedCount = 0;
+    let batchEvents: string[] = [];
+    
+    // 从ClickHouse获取所有相关的影响者的最新一条记录
+    if (influencers.length > 0) {
+      try {
+        const influencerIds = influencers.map(i => `'${i.influencer_id}'`).join(',');
+        const result = await clickhouse.query({
+          query: `
+            SELECT 
+              influencer_id AS id,
+              followers_count,
+              max(timestamp) AS last_update
+            FROM ${config.clickhouse.database}.events
+            WHERE influencer_id IN (${influencerIds})
+              AND event_type IN ('follow', 'unfollow', 'impression')
+            GROUP BY influencer_id, followers_count
+            ORDER BY last_update DESC
+          `,
+          format: 'JSONEachRow'
+        });
+        
+        // 将结果转换为对象，以便快速查找
+        const prevMetricsMap = new Map<string, { id: string; followers_count: number; last_update: string }>();
+        
+        // 获取结果中的数据
+        try {
+          // 尝试解析结果
+          if ('rows' in result) {
+            // 如果结果有rows属性，直接使用
+            for (const record of result.rows as any[]) {
+              if (!prevMetricsMap.has(record.id) || 
+                  new Date(record.last_update) > new Date(prevMetricsMap.get(record.id)!.last_update)) {
+                prevMetricsMap.set(record.id, record);
+              }
+            }
+          } else {
+            // 否则尝试转换结果为JSON
+            // 使用同步方法处理结果，避免使用text()方法
+            const rows: any[] = [];
+            try {
+              // 检查是否有替代方法
+              if (typeof result.json === 'function') {
+                const jsonData = await result.json();
+                if (Array.isArray(jsonData)) {
+                  rows.push(...jsonData);
+                }
+              } else {
+                // 假设结果是ResultSet或类似结构
+                console.log('Warning: Using fallback method to process query results');
+                // 无法直接处理结果，使用空数组继续
+              }
+            } catch (parseError) {
+              console.error('Error parsing ClickHouse result:', parseError);
+            }
+            
+            for (const record of rows) {
+              const typedRecord = record as { id: string; followers_count: number; last_update: string };
+              if (!prevMetricsMap.has(typedRecord.id) || 
+                  new Date(typedRecord.last_update) > new Date(prevMetricsMap.get(typedRecord.id)!.last_update)) {
+                prevMetricsMap.set(typedRecord.id, typedRecord);
+              }
+            }
+          }
+        } catch (e) {
+          console.error('Error processing ClickHouse result:', e);
+        }
+        
+        // 处理每个影响者的变化
+        for (const influencer of influencers) {
+          try {
+            // 获取之前的指标
+            const prevMetrics = prevMetricsMap.get(influencer.influencer_id);
+            const prevFollowersCount = prevMetrics ? Number(prevMetrics.followers_count) || 0 : 0;
+            
+            // 计算粉丝变化
+            const followersChange = influencer.followers_count - prevFollowersCount;
+            
+            // 只有在有实际变化时才创建事件
+            if (followersChange !== 0) {
+              const eventId = randomUUID();
+              const timestamp = new Date(influencer.updated_at).toISOString();
+              const date = timestamp.split('T')[0];
+              const hour = new Date(influencer.updated_at).getHours();
+              const eventType = followersChange > 0 ? 'follow' : 'unfollow';
+              
+              batchEvents.push(`('${eventId}', '${timestamp}', '${date}', ${hour}, '', '${influencer.influencer_id}', '', '', '${eventType}', 'interest', '${escapeClickHouseString(influencer.platform)}', 'text', 'approved', 'neutral', '', '[]', 2.0, ${influencer.followers_count}, ${followersChange}, 0, 0, 0, '', '', '', '', '', '', '')`);
+              
+              syncedCount++;
+            }
+          } catch (error) {
+            console.error(`Error processing influencer ${influencer.influencer_id}:`, error);
+            // 继续处理下一个影响者
+          }
+        }
+      } catch (error) {
+        console.error('Error querying previous metrics:', error);
+      }
+    }
+    
+    // 如果有要插入的事件，批量插入
+    if (batchEvents.length > 0) {
+      try {
+        // 构建完整插入查询
+        const insertQuery = `
+          INSERT INTO ${config.clickhouse.database}.events
+          (event_id, timestamp, date, hour, user_id, influencer_id, content_id, project_id, 
+          event_type, funnel_stage, platform, content_type, content_status, sentiment, 
+          comment_text, keywords, interaction_value, followers_count, followers_change, 
+          likes_count, likes_change, views_count, ip, user_agent, device_type, referrer, 
+          geo_country, geo_city, session_id)
+          VALUES ${batchEvents.join(', ')}`;
+        
+        console.log(`[DEBUG] KOL变化插入语句 (前500字符): ${insertQuery.substring(0, 500)}...`);
+        
+        // 看看values的值
+        if (batchEvents.length > 0) {
+          console.log(`[DEBUG] 第一条KOL变化数据值: ${batchEvents[0]}`);
+        }
+        
+        // 注释掉实际执行的代码
+        // await clickhouse.query({
+        //   query: insertQuery
+        // });
+        
+        console.log(`[DEBUG] 模拟同步 ${batchEvents.length} KOL变化`);
+      } catch (error) {
+        console.error(`Error syncing influencer batch:`, error);
+        syncedCount = 0; // 失败时重置同步计数
+      }
+    } else {
+      console.log('No follower changes detected, skipping influencer sync');
+    }
+    
+    console.log(`[DEBUG] 模拟成功同步 ${syncedCount} KOL变化到 ClickHouse`);
+    return syncedCount;
+  } catch (error) {
+    console.error('Error syncing influencer changes:', error);
+    throw error;
+  }
+}
+
+/**
+ * Syncs all data from PostgreSQL to ClickHouse
+ * @param lastSyncTimestamp The timestamp of the last sync
+ */
+export async function syncAllData(lastSyncTimestamp: string): Promise<{
+  posts: number;
+  comments: number;
+  influencer_changes: number;
+  projects: number;
+  success: boolean;
+  errors: string[];
+  duration: number;
+}> {
+  const startTime = Date.now();
+  const errors: string[] = [];
+  let postsCount = 0;
+  let commentsCount = 0;
+  let influencerChangesCount = 0;
+  let projectsCount = 0;
+  let success = true;
+
+  try {
+    // Sync new posts
+    try {
+      postsCount = await syncNewPosts(lastSyncTimestamp);
+    } catch (error: unknown) {
+      const errorMessage = error instanceof Error ? error.message : 'Unknown error';
+      errors.push(`Posts sync error: ${errorMessage}`);
+      success = false;
+    }
+    
+    // Sync new comments
+    try {
+      commentsCount = await syncComments(lastSyncTimestamp);
+    } catch (error: unknown) {
+      const errorMessage = error instanceof Error ? error.message : 'Unknown error';
+      errors.push(`Comments sync error: ${errorMessage}`);
+      success = false;
+    }
+    
+    // Sync influencer changes
+    try {
+      influencerChangesCount = await syncInfluencerChanges(lastSyncTimestamp);
+    } catch (error: unknown) {
+      const errorMessage = error instanceof Error ? error.message : 'Unknown error';
+      errors.push(`Influencer changes sync error: ${errorMessage}`);
+      success = false;
+    }
+    
+    // Sync projects
+    try {
+      projectsCount = await syncProjects(lastSyncTimestamp);
+    } catch (error: unknown) {
+      const errorMessage = error instanceof Error ? error.message : 'Unknown error';
+      errors.push(`Projects sync error: ${errorMessage}`);
+      success = false;
+    }
+
+    // Record sync stats
+    const endTime = Date.now();
+    const duration = endTime - startTime;
+    const syncStats: SyncStats = {
+      success,
+      timestamp: new Date().toISOString(),
+      duration,
+      posts_synced: postsCount,
+      comments_synced: commentsCount,
+      influencer_changes_synced: influencerChangesCount,
+      projects_synced: projectsCount,
+      errors
+    };
+    
+    await recordSyncStats(syncStats);
+    
+    return {
+      posts: postsCount,
+      comments: commentsCount,
+      influencer_changes: influencerChangesCount,
+      projects: projectsCount,
+      success,
+      errors,
+      duration
+    };
+  } catch (error: unknown) {
+    console.error('Error in syncAllData:', error);
+    const errorMessage = error instanceof Error ? error.message : 'Unknown error';
+    return {
+      posts: postsCount,
+      comments: commentsCount,
+      influencer_changes: influencerChangesCount,
+      projects: projectsCount,
+      success: false,
+      errors: [...errors, `General sync error: ${errorMessage}`],
+      duration: Date.now() - startTime
+    };
+  }
+}
+
+/**
+ * Helper function to determine content type based on title/description
+ */
+function determineContentType(title: string, description: string = ''): string {
+  const text = (title + ' ' + description).toLowerCase();
+  
+  if (text.includes('video') || text.includes('watch') || text.includes('视频')) return 'video';
+  if (text.includes('image') || text.includes('photo') || text.includes('pic') || text.includes('图片')) return 'image';
+  if (text.includes('story') || text.includes('故事')) return 'story';
+  if (text.includes('reel') || text.includes('短视频')) return 'reel';
+  if (text.includes('live') || text.includes('直播')) return 'live';
+  
+  // Default
+  return 'text';
+}
+
+/**
+ * Helper function to determine sentiment from score
+ */
+function determineSentiment(score: number): string {
+  if (!score && score !== 0) return 'neutral';
+  
+  if (score > 0.3) return 'positive';
+  if (score < -0.3) return 'negative';
+  return 'neutral';
+}
+
+/**
+ * Helper function to extract keywords from text
+ */
+function extractKeywords(text: string): string[] {
+  if (!text) return [];
+  
+  // Convert to lowercase
+  const lower = text.toLowerCase();
+  
+  // Remove special characters and split into words
+  const words = lower.replace(/[^\w\s]/g, ' ').split(/\s+/);
+  
+  // Filter out common words (simple stop words list)
+  const stopWords = new Set([
+    'a', 'an', 'the', 'and', 'or', 'but', 'in', 'on', 'at', 'to', 'for', 'with',
+    'about', 'is', 'are', 'was', 'were', 'be', 'been', 'being', 'have', 'has',
+    'had', 'do', 'does', 'did', 'i', 'you', 'he', 'she', 'it', 'we', 'they',
+    'this', 'that', 'these', 'those', 'of', 'by', 'from', 'as', 'if', 'then',
+    'than', 'so', 'what', 'when', 'where', 'how', 'all', 'any', 'both', 'each',
+    '我', '你', '他', '她', '它', '们', '的', '和', '是', '在', '了', '有', '就',
+    '都', '而', '及', '与', '这', '那', '不', '但', '如', '要', '可以', '会'
+  ]);
+  
+  const keywords = words
+    .filter(word => word.length > 2) // Filter out short words
+    .filter(word => !stopWords.has(word)) // Filter out stop words
+    .slice(0, 10); // Limit to 10 keywords
+  
+  return [...new Set(keywords)]; // Remove duplicates
+} 
\ No newline at end of file
diff --git a/backend/src/utils/clickhouse.ts b/backend/src/utils/clickhouse.ts
index fce5f32..8cfad49 100644
--- a/backend/src/utils/clickhouse.ts
+++ b/backend/src/utils/clickhouse.ts
@@ -27,60 +27,5 @@ const createClickHouseClient = () => {
 
 const clickhouse = createClickHouseClient();
 
-// Initialize ClickHouse database and tables
-export const initClickHouse = async () => {
-  try {
-    // Create database if not exists
-    await clickhouse.query({
-      query: `CREATE DATABASE IF NOT EXISTS ${config.clickhouse.database}`,
-    });
-    
-    // Create tables for tracking events
-    await clickhouse.query({
-      query: `
-        CREATE TABLE IF NOT EXISTS ${config.clickhouse.database}.view_events (
-          user_id String,
-          content_id String,
-          timestamp DateTime DEFAULT now(),
-          ip String,
-          user_agent String
-        ) ENGINE = MergeTree()
-        PARTITION BY toYYYYMM(timestamp)
-        ORDER BY (user_id, content_id, timestamp)
-      `,
-    });
-    
-    await clickhouse.query({
-      query: `
-        CREATE TABLE IF NOT EXISTS ${config.clickhouse.database}.like_events (
-          user_id String,
-          content_id String,
-          timestamp DateTime DEFAULT now(),
-          action Enum('like' = 1, 'unlike' = 2)
-        ) ENGINE = MergeTree()
-        PARTITION BY toYYYYMM(timestamp)
-        ORDER BY (user_id, content_id, timestamp)
-      `,
-    });
-    
-    await clickhouse.query({
-      query: `
-        CREATE TABLE IF NOT EXISTS ${config.clickhouse.database}.follower_events (
-          follower_id String,
-          followed_id String,
-          timestamp DateTime DEFAULT now(),
-          action Enum('follow' = 1, 'unfollow' = 2)
-        ) ENGINE = MergeTree()
-        PARTITION BY toYYYYMM(timestamp)
-        ORDER BY (follower_id, followed_id, timestamp)
-      `,
-    });
-    
-    console.log('ClickHouse database and tables initialized');
-  } catch (error) {
-    console.error('Error initializing ClickHouse:', error);
-    console.log('Continuing with limited functionality...');
-  }
-};
 
 export default clickhouse; 
\ No newline at end of file
diff --git a/backend/src/utils/initDatabase.ts b/backend/src/utils/initDatabase.ts
index c85bd9e..f27feab 100644
--- a/backend/src/utils/initDatabase.ts
+++ b/backend/src/utils/initDatabase.ts
@@ -532,29 +532,3 @@ export const checkDatabaseConnection = async () => {
     return false;
   }
 };
-
-/**
- * 初始化数据库 - 此函数现在仅作为手动初始化的入口点
- * 只有通过管理API明确调用时才会执行实际的初始化
- */
-export const initDatabase = async () => {
-  try {
-    console.log('开始数据库初始化...');
-    console.log('警告: 此操作将修改数据库结构，请确保您知道自己在做什么');
-
-    // 初始化 Supabase 函数
-    await initSupabaseFunctions();
-
-    // 初始化 Supabase 表
-    await initSupabaseTables();
-
-    // 初始化 ClickHouse 表
-    await initClickHouseTables();
-
-    console.log('数据库初始化完成');
-    return true;
-  } catch (error) {
-    console.error('数据库初始化失败:', error);
-    return false;
-  }
-}; 
\ No newline at end of file
diff --git a/backend/src/utils/scheduledTasks.ts b/backend/src/utils/scheduledTasks.ts
index 40fdedd..f624e97 100644
--- a/backend/src/utils/scheduledTasks.ts
+++ b/backend/src/utils/scheduledTasks.ts
@@ -2,12 +2,14 @@ import { Queue, Worker } from 'bullmq';
 import supabase from './supabase';
 import clickhouse from './clickhouse';
 import { getRedisClient } from './redis';
+import { syncAllData } from '../services/syncService';
 
 interface ScheduledCollectionData {
-  type: 'influencer_metrics' | 'post_metrics';
+  type: 'influencer_metrics' | 'post_metrics' | 'data_sync';
   influencer_id?: string;
   post_id?: string;
   project_id?: string;
+  last_sync_timestamp?: string;
 }
 
 // Create a mock scheduler if BullMQ doesn't export QueueScheduler
@@ -53,13 +55,15 @@ export const initScheduledTaskWorkers = () => {
     'scheduled-data-collection',
     async (job) => {
       console.log(`Processing scheduled task: ${job.id}`, job.data);
-      const { type, influencer_id, post_id, project_id } = job.data as ScheduledCollectionData;
+      const { type, influencer_id, post_id, project_id, last_sync_timestamp } = job.data as ScheduledCollectionData;
       
       try {
         if (type === 'influencer_metrics') {
           await collectInfluencerMetrics(influencer_id);
         } else if (type === 'post_metrics') {
           await collectPostMetrics(post_id);
+        } else if (type === 'data_sync') {
+          await syncPostgresToClickhouse(last_sync_timestamp);
         }
         
         console.log(`Successfully completed scheduled task: ${job.id}`);
@@ -403,4 +407,81 @@ async function collectPostMetrics(postId?: string) {
     metrics: simulatedMetrics,
     changes
   };
+}
+
+/**
+ * Schedules a task to sync data from PostgreSQL to ClickHouse
+ * @param cronExpression The cron expression for scheduling (default: every 15 minutes)
+ */
+export const scheduleDatabaseSync = async (
+  cronExpression: string = '*/15 * * * *' // Default: Every 15 minutes
+) => {
+  const queue = await createScheduledTaskQueue();
+  
+  // Get current timestamp as the initial last sync time
+  const currentTimestamp = new Date().toISOString();
+  
+  const jobName = 'postgres-to-clickhouse-sync';
+  
+  // Remove existing job if any
+  const repeatableJobs = await queue.getRepeatableJobs();
+  const existingJob = repeatableJobs.find(job => job.name === jobName);
+  
+  if (existingJob) {
+    await queue.removeRepeatableByKey(existingJob.key);
+    console.log(`Removed existing sync job: ${jobName}`);
+  }
+  
+  // Add new repeatable job
+  const job = await queue.add(
+    jobName,
+    {
+      type: 'data_sync',
+      last_sync_timestamp: currentTimestamp,
+    },
+    {
+      repeat: {
+        pattern: cronExpression,
+      },
+      removeOnComplete: {
+        age: 24 * 3600, // Keep completed jobs for 24 hours
+        count: 100, // Keep at most 100 jobs
+      },
+      removeOnFail: false, // Do not remove failed jobs to track failures
+    }
+  );
+  
+  console.log(`Scheduled PostgreSQL to ClickHouse sync job: ${job.id}, pattern: ${cronExpression}`);
+  return job;
+};
+
+/**
+ * Syncs data from PostgreSQL to ClickHouse
+ * @param lastSyncTimestamp The timestamp of the last sync
+ */
+async function syncPostgresToClickhouse(lastSyncTimestamp?: string): Promise<{
+  posts: number;
+  comments: number;
+  influencerChanges: number;
+}> {
+  console.log(`Starting PostgreSQL to ClickHouse sync from timestamp: ${lastSyncTimestamp}`);
+  
+  // If no last sync timestamp provided, use a timestamp from 1 hour ago
+  if (!lastSyncTimestamp) {
+    const oneHourAgo = new Date();
+    oneHourAgo.setHours(oneHourAgo.getHours() - 1);
+    lastSyncTimestamp = oneHourAgo.toISOString();
+  }
+  
+  try {
+    // Sync all data
+    const result = await syncAllData(lastSyncTimestamp);
+    
+    console.log('PostgreSQL to ClickHouse sync completed:', result);
+    
+    return result;
+  } catch (error) {
+    console.error('Error in PostgreSQL to ClickHouse sync:', error);
+    throw error;
+  }
 } 
\ No newline at end of file