diff --git a/backend/schema.sql b/backend/schema.sql
index 27b1672..806df23 100644
--- a/backend/schema.sql
+++ b/backend/schema.sql
@@ -6,6 +6,8 @@ DROP TABLE IF EXISTS status_page_agents;
 DROP TABLE IF EXISTS status_page_monitors;
 DROP TABLE IF EXISTS status_page_config;
 DROP TABLE IF EXISTS monitor_status_history;
+DROP TABLE IF EXISTS monitor_status_history_24h;
+DROP TABLE IF EXISTS monitor_daily_stats;
 DROP TABLE IF EXISTS agents;
 DROP TABLE IF EXISTS monitors;
 DROP TABLE IF EXISTS users;
@@ -55,6 +57,18 @@ CREATE TABLE IF NOT EXISTS monitor_status_history (
   FOREIGN KEY (monitor_id) REFERENCES monitors(id)
 );
 
+-- 24小时监控状态历史表(热表)
+CREATE TABLE IF NOT EXISTS monitor_status_history_24h (
+  id INTEGER PRIMARY KEY AUTOINCREMENT,
+  monitor_id INTEGER NOT NULL,
+  status TEXT NOT NULL,
+  timestamp TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+  response_time INTEGER,
+  status_code INTEGER,
+  error TEXT,
+  FOREIGN KEY (monitor_id) REFERENCES monitors(id)
+);
+
 -- 监控每日统计表
 CREATE TABLE IF NOT EXISTS monitor_daily_stats (
   id INTEGER PRIMARY KEY AUTOINCREMENT,
diff --git a/backend/src/initialization/database.ts b/backend/src/initialization/database.ts
index 82bd540..d8a41e9 100644
--- a/backend/src/initialization/database.ts
+++ b/backend/src/initialization/database.ts
@@ -24,6 +24,11 @@ export async function createTables(env: Bindings): Promise<void> {
     "CREATE TABLE IF NOT EXISTS monitor_status_history (id INTEGER PRIMARY KEY AUTOINCREMENT, monitor_id INTEGER NOT NULL, status TEXT NOT NULL, timestamp TEXT DEFAULT CURRENT_TIMESTAMP, response_time INTEGER, status_code INTEGER, error TEXT, FOREIGN KEY (monitor_id) REFERENCES monitors(id))"
   );
 
+  console.log("创建24小时监控状态历史表(热表)...");
+  await env.DB.exec(
+    "CREATE TABLE IF NOT EXISTS monitor_status_history_24h (id INTEGER PRIMARY KEY AUTOINCREMENT, monitor_id INTEGER NOT NULL, status TEXT NOT NULL, timestamp TEXT DEFAULT CURRENT_TIMESTAMP, response_time INTEGER, status_code INTEGER, error TEXT, FOREIGN KEY (monitor_id) REFERENCES monitors(id))"
+  );
+
   console.log("创建监控每日统计表...");
   await env.DB.exec(
     "CREATE TABLE IF NOT EXISTS monitor_daily_stats (id INTEGER PRIMARY KEY AUTOINCREMENT, monitor_id INTEGER NOT NULL, date TEXT NOT NULL, total_checks INTEGER NOT NULL DEFAULT 0, up_checks INTEGER NOT NULL DEFAULT 0, down_checks INTEGER NOT NULL DEFAULT 0, avg_response_time INTEGER DEFAULT 0, min_response_time INTEGER DEFAULT 0, max_response_time INTEGER DEFAULT 0, availability REAL DEFAULT 0, created_at TEXT NOT NULL, FOREIGN KEY (monitor_id) REFERENCES monitors(id))"
diff --git a/backend/src/initialization/initCheck.ts b/backend/src/initialization/initCheck.ts
index f2124b4..5adcaa2 100644
--- a/backend/src/initialization/initCheck.ts
+++ b/backend/src/initialization/initCheck.ts
@@ -3,13 +3,7 @@
  * 用于应用启动时检测数据库是否为空，如果为空则初始化
  */
 import { Bindings } from "../models/db";
-import {
-  createTables,
-  createAdminUser,
-  createDefaultStatusPage,
-  createNotificationTemplates,
-  createNotificationChannelsAndSettings,
-} from "./database";
+import { createTables } from "./database";
 import { runMigrations } from "../migrations/migration";
 import { cleanupOldRecords } from "../repositories/monitor";
 
@@ -41,6 +35,8 @@ export async function checkAndInitializeDatabase(
       "users",
       "monitors",
       "monitor_status_history",
+      "monitor_status_history_24h",
+      "monitor_daily_stats",
       "agents",
       "status_page_config",
       "status_page_monitors",
@@ -49,7 +45,6 @@ export async function checkAndInitializeDatabase(
       "notification_templates",
       "notification_settings",
       "notification_history",
-      "monitor_daily_stats",
     ];
 
     // 检查每个表是否存在
diff --git a/backend/src/jobs/monitor-task.ts b/backend/src/jobs/monitor-task.ts
index c33a5d2..3e38110 100644
--- a/backend/src/jobs/monitor-task.ts
+++ b/backend/src/jobs/monitor-task.ts
@@ -163,38 +163,39 @@ async function handleMonitorNotification(
 async function generateDailyStats(c: any) {
   try {
     console.log("开始生成每日监控统计数据...");
-    
+
     // 获取前一天的日期 (YYYY-MM-DD 格式)
     const yesterday = new Date();
     yesterday.setDate(yesterday.getDate() - 1);
-    const dateStr = yesterday.toISOString().split('T')[0];
-    
+    const dateStr = yesterday.toISOString().split("T")[0];
+
     console.log(`正在处理日期 ${dateStr} 的数据`);
-    
+
     // 时间范围
     const startTime = `${dateStr}T00:00:00.000Z`;
     const endTime = `${dateStr}T23:59:59.999Z`;
-    
+
     // 一次性获取所有监控
     const monitorsResult = await c.env.DB.prepare(
       "SELECT id, name FROM monitors"
     ).all();
-    
+
     if (!monitorsResult.results || monitorsResult.results.length === 0) {
       console.log("没有找到监控");
       return { success: true, message: "没有监控", processed: 0 };
     }
-    
+
     const monitors = monitorsResult.results;
     console.log(`找到 ${monitors.length} 个监控`);
-    
+
     // 创建监控ID列表
     const monitorIds = monitors.map((m: any) => m.id);
-    
+
     // 一次性获取所有监控历史记录（指定日期范围内）
     console.log(`一次性查询所有监控在 ${startTime} 至 ${endTime} 的历史记录`);
-    
-    const historyResult = await c.env.DB.prepare(`
+
+    const historyResult = await c.env.DB.prepare(
+      `
       SELECT 
         monitor_id, 
         status, 
@@ -204,20 +205,21 @@ async function generateDailyStats(c: any) {
       WHERE 
         timestamp >= ? AND 
         timestamp <= ?
-    `)
-    .bind(startTime, endTime)
-    .all();
-    
+    `
+    )
+      .bind(startTime, endTime)
+      .all();
+
     if (!historyResult.results || historyResult.results.length === 0) {
       console.log(`在 ${dateStr} 没有找到任何监控历史记录`);
       return { success: true, message: "没有历史记录", processed: 0 };
     }
-    
+
     console.log(`找到 ${historyResult.results.length} 条历史记录`);
-    
+
     // 按监控ID分组处理数据
     const statsMap = new Map();
-    
+
     // 初始化每个监控的统计数据结构
     for (const monitorId of monitorIds) {
       statsMap.set(monitorId, {
@@ -229,69 +231,81 @@ async function generateDailyStats(c: any) {
         avgResponseTime: 0,
         minResponseTime: 0,
         maxResponseTime: 0,
-        availability: 0
+        availability: 0,
       });
     }
-    
+
     // 处理所有历史记录
     for (const record of historyResult.results) {
       const monitorId = record.monitor_id;
-      
+
       // 如果这个监控ID不在我们的列表中，跳过
       if (!statsMap.has(monitorId)) continue;
-      
+
       const stats = statsMap.get(monitorId);
       stats.totalChecks++;
-      
+
       // 统计状态
-      if (record.status === 'up') {
+      if (record.status === "up") {
         stats.upChecks++;
-      } else if (record.status === 'down') {
+      } else if (record.status === "down") {
         stats.downChecks++;
       }
-      
+
       // 收集响应时间数据
       if (record.response_time != null && record.response_time > 0) {
         stats.responseTimes.push(record.response_time);
       }
     }
-    
+
     // 处理每个监控的响应时间统计和可用率计算
     for (const [monitorId, stats] of statsMap.entries()) {
       // 只处理有记录的监控
       if (stats.totalChecks === 0) continue;
-      
+
       // 计算响应时间统计数据
       if (stats.responseTimes.length > 0) {
-        stats.avgResponseTime = stats.responseTimes.reduce((sum: number, time: number) => sum + time, 0) / stats.responseTimes.length;
+        stats.avgResponseTime =
+          stats.responseTimes.reduce(
+            (sum: number, time: number) => sum + time,
+            0
+          ) / stats.responseTimes.length;
         stats.minResponseTime = Math.min(...stats.responseTimes);
         stats.maxResponseTime = Math.max(...stats.responseTimes);
       }
-      
+
       // 计算可用率
-      stats.availability = stats.totalChecks > 0 ? (stats.upChecks / stats.totalChecks) * 100 : 0;
-      
+      stats.availability =
+        stats.totalChecks > 0 ? (stats.upChecks / stats.totalChecks) * 100 : 0;
+
       // 删除临时数据
       delete stats.responseTimes;
     }
-    
+
     // 将数据写入数据库
     const now = new Date().toISOString();
     let processed = 0;
-    
+
     // 批量构建 INSERT 语句
     for (const [monitorId, stats] of statsMap.entries()) {
       // 跳过没有记录的监控
       if (stats.totalChecks === 0) continue;
-      
+
       const monitor = monitors.find((m: any) => m.id === monitorId);
       const monitorName = monitor ? monitor.name : `ID: ${monitorId}`;
-      
+
       try {
-        console.log(`监控 ${monitorName} (ID: ${monitorId}) 数据: 总检查=${stats.totalChecks}, 正常=${stats.upChecks}, 故障=${stats.downChecks}, 可用率=${stats.availability.toFixed(2)}%`);
-        
+        console.log(
+          `监控 ${monitorName} (ID: ${monitorId}) 数据: 总检查=${
+            stats.totalChecks
+          }, 正常=${stats.upChecks}, 故障=${
+            stats.downChecks
+          }, 可用率=${stats.availability.toFixed(2)}%`
+        );
+
         // 使用 UPSERT 操作
-        await c.env.DB.prepare(`
+        await c.env.DB.prepare(
+          `
           INSERT INTO monitor_daily_stats (
             monitor_id,
             date,
@@ -312,61 +326,129 @@ async function generateDailyStats(c: any) {
             min_response_time = excluded.min_response_time,
             max_response_time = excluded.max_response_time,
             availability = excluded.availability
-        `).bind(
-          monitorId,
-          dateStr,
-          stats.totalChecks,
-          stats.upChecks,
-          stats.downChecks,
-          stats.avgResponseTime,
-          stats.minResponseTime,
-          stats.maxResponseTime,
-          stats.availability,
-          now
-        ).run();
-        
+        `
+        )
+          .bind(
+            monitorId,
+            dateStr,
+            stats.totalChecks,
+            stats.upChecks,
+            stats.downChecks,
+            stats.avgResponseTime,
+            stats.minResponseTime,
+            stats.maxResponseTime,
+            stats.availability,
+            now
+          )
+          .run();
+
         processed++;
         console.log(`成功更新监控 ID ${monitorId} 的每日统计数据`);
       } catch (error) {
         console.error(`更新监控 ID ${monitorId} 的每日统计数据时出错:`, error);
       }
     }
-    
+
     console.log(`每日统计数据生成完成，成功处理了 ${processed} 个监控`);
-    
+
     return {
       success: true,
       message: "每日统计数据生成完成",
       processed: processed,
-      date: dateStr
+      date: dateStr,
     };
   } catch (error) {
     console.error("生成每日统计数据时出错:", error);
-    return { 
-      success: false, 
-      message: "生成每日统计数据时出错", 
-      error: String(error) 
+    return {
+      success: false,
+      message: "生成每日统计数据时出错",
+      error: String(error),
     };
   }
 }
 
+// 迁移24小时以前的监控历史数据到冷表
+async function migrateMonitorHistoryData(c: any) {
+  try {
+    console.log("开始迁移24小时以前的监控历史数据...");
+    const oneDayAgo = new Date();
+    oneDayAgo.setHours(oneDayAgo.getHours() - 24);
+    const timestamp = oneDayAgo.toISOString();
+
+    // 获取24小时前的监控历史数据
+    const historyResult = await c.env.DB.prepare(
+      `
+      SELECT * FROM monitor_status_history_24h
+      WHERE timestamp < ?
+    `
+    )
+      .bind(timestamp)
+      .all();
+
+    console.log(
+      `找到 ${historyResult.results.length} 条24小时前的监控历史数据`
+    );
+
+    // 将数据迁移到冷表
+    await c.env.DB.prepare(
+      `
+      INSERT INTO monitor_status_history (
+        monitor_id,
+        status,
+        timestamp,
+        response_time,
+        status_code,
+        error
+      ) VALUES (?, ?, ?, ?, ?, ?)
+    `
+    )
+      .bind(
+        historyResult.results.map((record: any) => [
+          record.monitor_id,
+          record.status,
+          record.timestamp,
+          record.response_time,
+          record.status_code,
+          record.error,
+        ])
+      )
+      .run();
+
+    // 删除热表中的数据
+    await c.env.DB.prepare(
+      `
+      DELETE FROM monitor_status_history_24h
+      WHERE timestamp < ?
+    `
+    )
+      .bind(timestamp)
+      .run();
+
+    console.log("迁移完成，成功迁移了 ${historyResult.results.length} 条数据");
+  } catch (error) {
+    console.error("迁移24小时以前的监控历史数据时出错:", error);
+  }
+}
 // 在 Cloudflare Workers 中设置定时触发器
 export default {
   async scheduled(event: any, env: any, ctx: any) {
     const c = { env };
-    
+
     // 默认执行监控检查任务
     let result: any = await checkMonitors(c);
 
     const now = new Date();
     const hour = now.getUTCHours();
     const minute = now.getUTCMinutes();
-    
+
     if (hour === 0 && minute === 5) {
+      // 迁移24小时以前的监控历史数据到冷表
+      await migrateMonitorHistoryData(c);
+      // 生成每日监控统计数据
       const statsResult = await generateDailyStats(c);
       result = { monitorCheck: result, dailyStats: statsResult };
     }
-    
+
     return result;
   },
   fetch: monitorTask.fetch,
diff --git a/backend/src/repositories/monitor.ts b/backend/src/repositories/monitor.ts
index 34d4888..c86c7b1 100644
--- a/backend/src/repositories/monitor.ts
+++ b/backend/src/repositories/monitor.ts
@@ -138,15 +138,14 @@ export async function getMonitorsByIds(
 }
 
 // 获取单个监控状态历史 24小时内
-export async function getMonitorStatusHistory(
+export async function getMonitorStatusHistoryIn24h(
   db: Bindings["DB"],
   monitorId: number
 ) {
   return await db
     .prepare(
-      `SELECT * FROM monitor_status_history 
+      `SELECT * FROM monitor_status_history_24h 
      WHERE monitor_id = ? 
-     AND timestamp > datetime('now', '-24 hours')
      ORDER BY timestamp ASC`
     )
     .bind(monitorId)
@@ -154,16 +153,15 @@ export async function getMonitorStatusHistory(
 }
 
 // 获取所有监控状态历史 24小时内
-export async function getAllMonitorStatusHistory(db: Bindings["DB"]) {
+export async function getAllMonitorStatusHistoryIn24h(db: Bindings["DB"]) {
   return await db
     .prepare(
-      `SELECT * FROM monitor_status_history 
-     WHERE timestamp > datetime('now', '-24 hours')
+      `SELECT * FROM monitor_status_history_24h
      ORDER BY timestamp ASC`
     )
     .all<MonitorStatusHistory>();
 }
-// 记录监控状态历史
+// 记录监控状态历史到热表
 export async function insertMonitorStatusHistory(
   db: Bindings["DB"],
   monitorId: number,
@@ -177,7 +175,7 @@ export async function insertMonitorStatusHistory(
 
   return await db
     .prepare(
-      `INSERT INTO monitor_status_history (monitor_id, status, timestamp, response_time, status_code, error) 
+      `INSERT INTO monitor_status_history_24h (monitor_id, status, timestamp, response_time, status_code, error) 
      VALUES (?, ?, ?, ?, ?, ?)`
     )
     .bind(monitorId, status, now, response_time, status_code, error)
diff --git a/backend/src/services/MonitorService.ts b/backend/src/services/MonitorService.ts
index 9b8035f..a408f9e 100644
--- a/backend/src/services/MonitorService.ts
+++ b/backend/src/services/MonitorService.ts
@@ -148,7 +148,7 @@ export async function getMonitorDetails(db: Bindings["DB"], id: number) {
   }
 
   // 获取历史状态数据
-  const historyResult = await repositories.getMonitorStatusHistory(db, id);
+  const historyResult = await repositories.getMonitorStatusHistoryIn24h(db, id);
 
   return {
     ...monitor,
@@ -198,7 +198,7 @@ export async function getMonitorById(db: Bindings["DB"], id: number) {
   }
 
   // 获取历史状态数据
-  const historyResult = await repositories.getMonitorStatusHistory(db, id);
+  const historyResult = await repositories.getMonitorStatusHistoryIn24h(db, id);
 
   return {
     success: true,
@@ -392,7 +392,10 @@ export async function getMonitorStatusHistoryById(
     }
 
     // 获取历史状态
-    const historyResult = await repositories.getMonitorStatusHistory(db, id);
+    const historyResult = await repositories.getMonitorStatusHistoryIn24h(
+      db,
+      id
+    );
 
     return {
       success: true,
@@ -417,7 +420,7 @@ export async function getMonitorStatusHistoryById(
  * @returns 所有监控状态历史
  */
 export async function getAllMonitorStatusHistory(db: Bindings["DB"]) {
-  const result = await repositories.getAllMonitorStatusHistory(db);
+  const result = await repositories.getAllMonitorStatusHistoryIn24h(db);
   return {
     success: true,
     history: result.results || [],
diff --git a/backend/src/services/NotificationService.ts b/backend/src/services/NotificationService.ts
index 1ba4d6f..3761035 100644
--- a/backend/src/services/NotificationService.ts
+++ b/backend/src/services/NotificationService.ts
@@ -165,7 +165,7 @@ export async function deleteNotificationTemplate(
 
 // 通知设置相关服务,获取所有的通知设置
 export async function getNotificationConfig(
-  db: D1Database,
+  db: D1Database
 ): Promise<models.NotificationConfig> {
   return await repositories.getNotificationConfig(db);
 }
diff --git a/backend/src/services/StatusService.ts b/backend/src/services/StatusService.ts
index 4f81e07..3770d91 100644
--- a/backend/src/services/StatusService.ts
+++ b/backend/src/services/StatusService.ts
@@ -227,7 +227,7 @@ export async function getStatusPagePublicData(env: { DB: Bindings["DB"] }) {
           env.DB,
           monitorId
         );
-        const monitorHistory = await repositories.getMonitorStatusHistory(
+        const monitorHistory = await repositories.getMonitorStatusHistoryIn24h(
           env.DB,
           monitorId
         );