diff --git a/src/server/index.ts b/src/server/index.ts
index b40eb5f..833adfd 100644
--- a/src/server/index.ts
+++ b/src/server/index.ts
@@ -4,6 +4,7 @@ import { Hono } from 'hono';
 import { cors } from 'hono/cors';
 import dotenv from 'dotenv';
 import vehiclesRouter from './routes/vehicles.js';
+import mileageRouter from './routes/mileage.js';
 
 dotenv.config();
 
@@ -11,6 +12,7 @@ const app = new Hono();
 
 app.use('/api/*', cors());
 app.route('/api/vehicles', vehiclesRouter);
+app.route('/api/mileage', mileageRouter);
 
 app.get('/api/health', (c) => c.json({ status: 'ok', time: new Date().toISOString() }));
 
diff --git a/src/server/routes/mileage.ts b/src/server/routes/mileage.ts
new file mode 100644
index 0000000..ef58383
--- /dev/null
+++ b/src/server/routes/mileage.ts
@@ -0,0 +1,230 @@
+import { Hono } from 'hono';
+import pool from '../db.js';
+import mileagePool from '../mileage-db.js';
+
+const app = new Hono();
+
+// 车辆关联信息 SQL（客户名、部门、经理）
+const VEHICLE_INFO_SQL = `SELECT
+    truck.plate_number AS plate,
+    cus.customer_name AS customer,
+    dep.dep_name AS department,
+    u.user_name AS manager
+FROM tab_truck truck
+LEFT JOIN tab_truck_status_info si ON si.truck_id = truck.id AND si.is_deleted = 0
+LEFT JOIN tab_contract c ON c.id = si.contract_id AND c.is_deleted = 0
+LEFT JOIN tab_customer cus ON cus.id = c.customer_id AND cus.is_deleted = 0
+LEFT JOIN tab_user u ON u.id = c.bd AND u.is_deleted = 0
+LEFT JOIN tab_department dep ON dep.id = u.dep_id AND dep.is_deleted = 0
+WHERE truck.is_deleted = 0 AND truck.is_operation = 1`;
+
+// GET /monitoring — 实时监控数据
+app.get('/monitoring', async (c) => {
+  try {
+    // 1. 从 hydrogen_energy 取最新日期的里程数据
+    const [dateRows] = await mileagePool.execute(
+      'SELECT MAX(stat_date) as latest FROM v_vehicle_daily_stats'
+    ) as any;
+    const latestDate = dateRows[0]?.latest;
+    if (!latestDate) return c.json({ vehicles: [], updatedAt: new Date().toISOString() });
+
+    const [mileageRows] = await mileagePool.execute(
+      `SELECT plate, vin, daily_km, total_km, source
+       FROM v_vehicle_daily_stats
+       WHERE stat_date = ?`,
+      [latestDate]
+    ) as any;
+
+    // 对于同一 plate 可能有多条记录（不同 source），取 daily_km 最大的
+    const mileageMap = new Map<string, any>();
+    for (const row of mileageRows) {
+      const existing = mileageMap.get(row.plate);
+      if (!existing || Number(row.daily_km) > Number(existing.daily_km)) {
+        mileageMap.set(row.plate, row);
+      }
+    }
+
+    // 2. 从 lingniu_prod 取车辆关联信息
+    const [infoRows] = await pool.execute(VEHICLE_INFO_SQL) as any;
+    const infoMap = new Map<string, any>();
+    for (const row of infoRows) {
+      infoMap.set(row.plate, row);
+    }
+
+    // 3. 合并
+    const vehicles = Array.from(mileageMap.values()).map((m: any) => {
+      const info = infoMap.get(m.plate);
+      const dailyKm = Number(m.daily_km) || 0;
+      const source = m.source || 'NONE';
+      return {
+        plate: m.plate,
+        vin: m.vin,
+        dailyKm,
+        totalKm: m.total_km !== null ? Number(m.total_km) : null,
+        source,
+        isOnline: source !== 'NONE' && dailyKm > 0,
+        isDataSynced: source !== 'NONE',
+        customer: info?.customer || null,
+        department: info?.department || null,
+        manager: info?.manager || null,
+      };
+    });
+
+    return c.json({ vehicles, updatedAt: new Date().toISOString() });
+  } catch (e) {
+    console.error('monitoring error:', e);
+    return c.json({ vehicles: [], updatedAt: new Date().toISOString() }, 500);
+  }
+});
+
+// GET /targets — 考核项目列表 + 汇总
+app.get('/targets', async (c) => {
+  try {
+    const [targets] = await pool.execute(
+      'SELECT * FROM tab_mileage_assessment_target WHERE is_deleted = 0 ORDER BY id'
+    ) as any;
+
+    const [vehicleStats] = await pool.execute(`
+      SELECT
+        target_id,
+        COUNT(*) as total,
+        SUM(today_mileage) as today_total,
+        SUM(current_mileage) as cumulative_total,
+        AVG(completion_rate) as avg_completion,
+        SUM(CASE WHEN is_qualified = 1 THEN 1 ELSE 0 END) as qualified_count,
+        SUM(CASE WHEN current_year_is_qualified = 1 THEN 1 ELSE 0 END) as year_qualified_count,
+        SUM(CASE WHEN completion_rate >= 0.5 THEN 1 ELSE 0 END) as half_qualified_count,
+        SUM(current_year_mileage_task) as current_year_target,
+        SUM(current_year_mileage) as current_year_completed,
+        MAX(current_year_assessment_end_date) as year_end_date
+      FROM tab_mileage_assessment_vehicle
+      WHERE is_deleted = 0
+      GROUP BY target_id
+    `) as any;
+
+    const statsMap = new Map<number, any>();
+    for (const s of vehicleStats) {
+      statsMap.set(s.target_id, s);
+    }
+
+    const now = new Date();
+    const result = targets.map((t: any) => {
+      const s = statsMap.get(t.id) || {};
+      const currentYearTarget = Number(s.current_year_target) || 0;
+      const currentYearCompleted = Number(s.current_year_completed) || 0;
+      const remaining = Math.max(0, currentYearTarget - currentYearCompleted);
+      const yearEnd = s.year_end_date ? new Date(s.year_end_date) : now;
+      const daysLeft = Math.max(1, Math.ceil((yearEnd.getTime() - now.getTime()) / 86400000));
+      const dailyTarget = remaining / daysLeft;
+
+      const startDate = t.default_start_date
+        ? new Date(t.default_start_date).toISOString().split('T')[0]
+        : '';
+      const endDate = t.default_end_date
+        ? new Date(t.default_end_date).toISOString().split('T')[0]
+        : '';
+
+      return {
+        id: t.id,
+        targetName: t.target_name,
+        vehicleCount: Number(s.total) || t.vehicle_count,
+        totalMileagePerVehicle: Number(t.total_mileage_per_vehicle),
+        annualMileagePerVehicle: Number(t.annual_mileage_per_vehicle),
+        assessmentYears: t.assessment_years,
+        period: `${startDate} ~ ${endDate}`,
+        todayTotal: Number(s.today_total) || 0,
+        cumulativeTotal: Number(s.cumulative_total) || 0,
+        avgCompletion: (Number(s.avg_completion) || 0) * 100,
+        qualifiedCount: Number(s.qualified_count) || 0,
+        yearQualifiedCount: Number(s.year_qualified_count) || 0,
+        halfQualifiedCount: Number(s.half_qualified_count) || 0,
+        currentYearTarget,
+        currentYearCompleted,
+        remaining,
+        daysLeft,
+        dailyTarget: Math.round(dailyTarget * 10) / 10,
+      };
+    });
+
+    return c.json(result);
+  } catch (e) {
+    console.error('targets error:', e);
+    return c.json([], 500);
+  }
+});
+
+// GET /target/:id/vehicles — 某项目的车辆明细
+app.get('/target/:id/vehicles', async (c) => {
+  const targetId = c.req.param('id');
+  try {
+    const [rows] = await pool.execute(
+      `SELECT plate_number, today_mileage, vehicle_total_mileage,
+              completion_rate, is_qualified, current_year_is_qualified,
+              daily_required_mileage
+       FROM tab_mileage_assessment_vehicle
+       WHERE target_id = ? AND is_deleted = 0
+       ORDER BY today_mileage DESC`,
+      [targetId]
+    ) as any;
+
+    const result = rows.map((r: any) => ({
+      plateNumber: r.plate_number,
+      todayMileage: Number(r.today_mileage) || 0,
+      totalMileage: Number(r.vehicle_total_mileage) || 0,
+      completionRate: Number(r.completion_rate) || 0,
+      isQualified: r.is_qualified === 1,
+      currentYearIsQualified: r.current_year_is_qualified === 1,
+      dailyRequiredMileage: Number(r.daily_required_mileage) || 0,
+    }));
+
+    return c.json(result);
+  } catch (e) {
+    console.error('target vehicles error:', e);
+    return c.json([], 500);
+  }
+});
+
+// GET /trend — 7天里程趋势
+app.get('/trend', async (c) => {
+  const targetId = c.req.query('targetId');
+  const days = Number(c.req.query('days')) || 7;
+  try {
+    let plates: string[] = [];
+    if (targetId) {
+      const [vehicleRows] = await pool.execute(
+        'SELECT plate_number FROM tab_mileage_assessment_vehicle WHERE target_id = ? AND is_deleted = 0',
+        [targetId]
+      ) as any;
+      plates = vehicleRows.map((r: any) => r.plate_number);
+      if (plates.length === 0) return c.json([]);
+    }
+
+    let sql = `
+      SELECT DATE_FORMAT(stat_date, '%m-%d') as date, SUM(daily_km) as mileage
+      FROM v_vehicle_daily_stats
+      WHERE stat_date >= DATE_SUB(CURDATE(), INTERVAL ? DAY)
+    `;
+    const params: any[] = [days];
+
+    if (plates.length > 0) {
+      sql += ` AND plate IN (${plates.map(() => '?').join(',')})`;
+      params.push(...plates);
+    }
+
+    sql += ' GROUP BY stat_date ORDER BY stat_date';
+
+    const [rows] = await mileagePool.execute(sql, params) as any;
+
+    const result = rows.map((r: any) => ({
+      date: r.date,
+      mileage: Math.round(Number(r.mileage) || 0),
+    }));
+
+    return c.json(result);
+  } catch (e) {
+    console.error('trend error:', e);
+    return c.json([], 500);
+  }
+});
+
+export default app;