diff --git a/src/components/home/deviceFooter.vue b/src/components/home/deviceFooter.vue
index a7ce2a0..1b496f7 100644
--- a/src/components/home/deviceFooter.vue
+++ b/src/components/home/deviceFooter.vue
@@ -1,12 +1,26 @@
 <script setup lang="ts">
 import { onMounted } from 'vue'
+import { useDbStore } from '@/store/modules/db'
 import { useDeviceStore } from '@/store/modules/home'
 
 const deviceStore = useDeviceStore()
+const dbStore = useDbStore()
 
-onMounted(() => {
+onMounted(async () => {
   console.log('组件挂载时 初始化设备信息')
   deviceStore.initDevice()
+
+  await dbStore.loadProjects()
+  console.log('projects:', dbStore.projects)
+
+  await dbStore.loadWorkRecords()
+  console.log('workRecords:', dbStore.workRecords)
+
+  await dbStore.loadRtkTracks()
+  console.log('rtkTracks:', dbStore.rtkTracks)
+
+  await dbStore.loadWarningRecords()
+  console.log('warningRecords:', dbStore.warningRecords)
 })
 </script>
 
diff --git a/src/service/index.ts b/src/service/index.ts
index 52438cc..e9c8570 100644
--- a/src/service/index.ts
+++ b/src/service/index.ts
@@ -5,9 +5,16 @@ import { warningRecordTableSql } from './warningRecord'
 import { workRecordTableSql } from './workRecord'
 
 export { projectTableSql } from './project'
+// 导出所有 service 方法
+export * as projectService from './project'
 export { rtkTrackTableSql } from './rtkTrack'
+export * as rtkTrackService from './rtkTrack'
+export { seedAll } from './seed'
+
 export { warningRecordTableSql } from './warningRecord'
+export * as warningRecordService from './warningRecord'
 export { workRecordTableSql } from './workRecord'
+export * as workRecordService from './workRecord'
 
 const tableSqls = [
   projectTableSql,
diff --git a/src/service/project.ts b/src/service/project.ts
index 790b90a..8ec2ae1 100644
--- a/src/service/project.ts
+++ b/src/service/project.ts
@@ -1,11 +1,7 @@
-/**
- * 项目信息表: 项目名称,压路机名称, (平板)设备ID, 开始时间, 结束时间,
- * 字段说明：
- * - id：项目唯一标识符
- * - project_name：项目名称
- * - project_type：项目类型
- * - status：项目状态（默认值为 'offline'）
- */
+import DB from '@/utils/sqlite'
+
+const TABLE = 'project'
+
 export const projectTableSql = `CREATE TABLE IF NOT EXISTS project (
   id INTEGER PRIMARY KEY AUTOINCREMENT,
   project_name TEXT NOT NULL,
@@ -14,3 +10,42 @@ export const projectTableSql = `CREATE TABLE IF NOT EXISTS project (
   created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
   updated_at DATETIME DEFAULT CURRENT_TIMESTAMP
 )`
+
+export interface Project {
+  id?: number
+  project_name: string
+  project_type?: string
+  status?: string
+  created_at?: string
+  updated_at?: string
+}
+
+/** 查询全部项目 */
+export async function selectAll(): Promise<Project[]> {
+  return DB.select(TABLE)
+}
+
+/** 按 ID 查询 */
+export async function selectById(id: number): Promise<Project | null> {
+  return DB.selectById(TABLE, id)
+}
+
+/** 按状态查询 */
+export async function selectByStatus(status: string): Promise<Project[]> {
+  return DB.selectByField(TABLE, 'status', status)
+}
+
+/** 新增项目 */
+export async function insert(data: Project): Promise<any> {
+  return DB.insert(TABLE, data)
+}
+
+/** 更新项目 */
+export async function update(id: number, data: Partial<Project>): Promise<any> {
+  return DB.update(TABLE, data, `id = ${id}`)
+}
+
+/** 删除项目 */
+export async function remove(id: number): Promise<any> {
+  return DB.delete(TABLE, `id = ${id}`)
+}
diff --git a/src/service/rtkTrack.ts b/src/service/rtkTrack.ts
index abd8ebd..3ef2388 100644
--- a/src/service/rtkTrack.ts
+++ b/src/service/rtkTrack.ts
@@ -1,16 +1,7 @@
-/**
- * RTK 轨迹数据表: 作业记录ID, 时间戳, , 压实度, 纬度, 经度, 高度, 速度, 方向, 创建时间, 外键约束
- * 字段说明：
- * - id：轨迹唯一标识符
- * - work_record_id：作业记录 ID
- * - timestamp：时间戳
- * - latitude：纬度
- * - longitude：经度
- * - altitude：高度
- * - speed：速度
- * - heading：方向
- * - created_at：记录创建时间（默认值为当前时间）
- */
+import DB from '@/utils/sqlite'
+
+const TABLE = 'rtk_track'
+
 export const rtkTrackTableSql = `CREATE TABLE IF NOT EXISTS rtk_track (
   id INTEGER PRIMARY KEY AUTOINCREMENT,
   work_record_id INTEGER,
@@ -23,3 +14,45 @@ export const rtkTrackTableSql = `CREATE TABLE IF NOT EXISTS rtk_track (
   created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
   FOREIGN KEY (work_record_id) REFERENCES work_record(id)
 )`
+
+export interface RtkTrack {
+  id?: number
+  work_record_id: number
+  timestamp?: string
+  latitude?: number
+  longitude?: number
+  altitude?: number
+  speed?: number
+  heading?: number
+  created_at?: string
+}
+
+/** 查询全部 */
+export async function selectAll(): Promise<RtkTrack[]> {
+  return DB.select(TABLE)
+}
+
+/** 按 ID 查询 */
+export async function selectById(id: number): Promise<RtkTrack | null> {
+  return DB.selectById(TABLE, id)
+}
+
+/** 按作业记录 ID 查询 */
+export async function selectByWorkRecordId(workRecordId: number): Promise<RtkTrack[]> {
+  return DB.selectByField(TABLE, 'work_record_id', workRecordId)
+}
+
+/** 新增 */
+export async function insert(data: RtkTrack): Promise<any> {
+  return DB.insert(TABLE, data)
+}
+
+/** 更新 */
+export async function update(id: number, data: Partial<RtkTrack>): Promise<any> {
+  return DB.update(TABLE, data, `id = ${id}`)
+}
+
+/** 删除 */
+export async function remove(id: number): Promise<any> {
+  return DB.delete(TABLE, `id = ${id}`)
+}
diff --git a/src/service/seed.ts b/src/service/seed.ts
new file mode 100644
index 0000000..7dba5fe
--- /dev/null
+++ b/src/service/seed.ts
@@ -0,0 +1,163 @@
+import DB from '@/utils/sqlite'
+
+/**
+ * 插入项目假数据（3条）
+ */
+async function seedProject() {
+  const data = [
+    {
+      project_name: '京雄高速河北段',
+      project_type: '高速公路',
+      status: 'online',
+    },
+    {
+      project_name: '雄安新区市政道路',
+      project_type: '市政工程',
+      status: 'online',
+    },
+    {
+      project_name: '白沟产业园场地',
+      project_type: '场地平整',
+      status: 'offline',
+    },
+  ]
+
+  for (const item of data) {
+    await DB.insert('project', item)
+  }
+}
+
+/**
+ * 插入作业记录假数据（3条）
+ */
+async function seedWorkRecord() {
+  const data = [
+    {
+      project_id: 1,
+      start_time: '2026-09-10 08:00:00',
+      end_time: '2026-09-10 12:00:00',
+      speed: 5.2,
+      frequency: 28.5,
+      amplitude: 1.8,
+      compaction_value: 92.3,
+      gps_lat: 38.9697,
+      gps_lng: 115.9697,
+    },
+    {
+      project_id: 1,
+      start_time: '2026-09-10 13:00:00',
+      end_time: '2026-09-10 17:30:00',
+      speed: 4.8,
+      frequency: 30.0,
+      amplitude: 2.0,
+      compaction_value: 95.1,
+      gps_lat: 38.9712,
+      gps_lng: 115.9712,
+    },
+    {
+      project_id: 2,
+      start_time: '2026-09-09 07:30:00',
+      end_time: '2026-09-09 11:30:00',
+      speed: 6.0,
+      frequency: 25.0,
+      amplitude: 1.5,
+      compaction_value: 88.7,
+      gps_lat: 38.9534,
+      gps_lng: 115.9534,
+    },
+  ]
+
+  for (const item of data) {
+    await DB.insert('work_record', item)
+  }
+}
+
+/**
+ * 插入 RTK 轨迹假数据（3条）
+ */
+async function seedRtkTrack() {
+  const data = [
+    {
+      work_record_id: 1,
+      timestamp: '2026-09-10 08:00:05',
+      latitude: 38.9697,
+      longitude: 115.9697,
+      altitude: 15.2,
+      speed: 5.1,
+      heading: 90.0,
+    },
+    {
+      work_record_id: 1,
+      timestamp: '2026-09-10 08:00:10',
+      latitude: 38.9698,
+      longitude: 115.9699,
+      altitude: 15.3,
+      speed: 5.2,
+      heading: 92.5,
+    },
+    {
+      work_record_id: 2,
+      timestamp: '2026-09-10 13:00:05',
+      latitude: 38.9712,
+      longitude: 115.9712,
+      altitude: 16.0,
+      speed: 4.7,
+      heading: 180.0,
+    },
+  ]
+
+  for (const item of data) {
+    await DB.insert('rtk_track', item)
+  }
+}
+
+/**
+ * 插入告警记录假数据（3条）
+ */
+async function seedWarningRecord() {
+  const data = [
+    {
+      project_id: 1,
+      warning_type: '超速',
+      warning_level: 'high',
+      message: '碾压速度超过设定阈值（6.5km/h）',
+      is_read: 0,
+    },
+    {
+      project_id: 2,
+      warning_type: '漏压',
+      warning_level: 'medium',
+      message: 'K2+350处检测到漏压区域',
+      is_read: 0,
+    },
+    {
+      project_id: 1,
+      warning_type: '偏航',
+      warning_level: 'low',
+      message: 'RTK信号偏移超过2cm',
+      is_read: 1,
+    },
+  ]
+
+  for (const item of data) {
+    await DB.insert('warning_record', item)
+  }
+}
+
+/**
+ * 初始化所有假数据
+ */
+export async function seedAll() {
+  try {
+    console.log('开始插入假数据...')
+    await seedProject()
+    await seedWorkRecord()
+    await seedRtkTrack()
+    await seedWarningRecord()
+    console.log('假数据插入完成')
+  }
+  catch (err) {
+    console.error('假数据插入失败:', err)
+    throw err
+  }
+}
diff --git a/src/service/warningRecord.ts b/src/service/warningRecord.ts
index a45eefc..8189363 100644
--- a/src/service/warningRecord.ts
+++ b/src/service/warningRecord.ts
@@ -1,14 +1,7 @@
-/**
- * 告警记录表
- * 字段说明：
- * - id：告警记录唯一标识符
- * - project_id：项目 ID
- * - warning_type：告警类型
- * - warning_level：告警等级
- * - message：告警信息
- * - is_read：是否已读（0 表示未读，1 表示已读，默认值为 0）
- * - created_at：创建时间（默认值为当前时间）
- */
+import DB from '@/utils/sqlite'
+
+const TABLE = 'warning_record'
+
 export const warningRecordTableSql = `CREATE TABLE IF NOT EXISTS warning_record (
   id INTEGER PRIMARY KEY AUTOINCREMENT,
   project_id INTEGER,
@@ -19,3 +12,53 @@ export const warningRecordTableSql = `CREATE TABLE IF NOT EXISTS warning_record
   created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
   FOREIGN KEY (project_id) REFERENCES project(id)
 )`
+
+export interface WarningRecord {
+  id?: number
+  project_id: number
+  warning_type?: string
+  warning_level?: string
+  message?: string
+  is_read?: number
+  created_at?: string
+}
+
+/** 查询全部 */
+export async function selectAll(): Promise<WarningRecord[]> {
+  return DB.select(TABLE)
+}
+
+/** 按 ID 查询 */
+export async function selectById(id: number): Promise<WarningRecord | null> {
+  return DB.selectById(TABLE, id)
+}
+
+/** 按项目 ID 查询 */
+export async function selectByProjectId(projectId: number): Promise<WarningRecord[]> {
+  return DB.selectByField(TABLE, 'project_id', projectId)
+}
+
+/** 查询未读 */
+export async function selectUnread(): Promise<WarningRecord[]> {
+  return DB.select(TABLE, '*', 'is_read = 0')
+}
+
+/** 新增 */
+export async function insert(data: WarningRecord): Promise<any> {
+  return DB.insert(TABLE, data)
+}
+
+/** 标记已读 */
+export async function markRead(id: number): Promise<any> {
+  return DB.update(TABLE, { is_read: 1 }, `id = ${id}`)
+}
+
+/** 更新 */
+export async function update(id: number, data: Partial<WarningRecord>): Promise<any> {
+  return DB.update(TABLE, data, `id = ${id}`)
+}
+
+/** 删除 */
+export async function remove(id: number): Promise<any> {
+  return DB.delete(TABLE, `id = ${id}`)
+}
diff --git a/src/service/workRecord.ts b/src/service/workRecord.ts
index 69d5925..878d558 100644
--- a/src/service/workRecord.ts
+++ b/src/service/workRecord.ts
@@ -1,19 +1,7 @@
-/**
- * 作业记录表
- * 字段说明：
- * -id：作业记录唯一标识符
- * -project_id：所属项目ID
- * -start_time：作业开始时间
- * -end_time：作业结束时间
- * -speed：作业速度
- * -frequency：作业频率
- * -amplitude：作业振幅
- * -compaction_value：压实度值
- * -gps_lat：GPS纬度
- * -gps_lng：GPS经度
- * -created_at：记录创建时间（默认值为当前时间）
- * -FOREIGN KEY (project_id) REFERENCES project(id)：外键约束，关联到项目表中的id字段
- */
+import DB from '@/utils/sqlite'
+
+const TABLE = 'work_record'
+
 export const workRecordTableSql = `CREATE TABLE IF NOT EXISTS work_record (
   id INTEGER PRIMARY KEY AUTOINCREMENT,
   project_id INTEGER,
@@ -28,3 +16,47 @@ export const workRecordTableSql = `CREATE TABLE IF NOT EXISTS work_record (
   created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
   FOREIGN KEY (project_id) REFERENCES project(id)
 )`
+
+export interface WorkRecord {
+  id?: number
+  project_id: number
+  start_time?: string
+  end_time?: string
+  speed?: number
+  frequency?: number
+  amplitude?: number
+  compaction_value?: number
+  gps_lat?: number
+  gps_lng?: number
+  created_at?: string
+}
+
+/** 查询全部 */
+export async function selectAll(): Promise<WorkRecord[]> {
+  return DB.select(TABLE)
+}
+
+/** 按 ID 查询 */
+export async function selectById(id: number): Promise<WorkRecord | null> {
+  return DB.selectById(TABLE, id)
+}
+
+/** 按项目 ID 查询 */
+export async function selectByProjectId(projectId: number): Promise<WorkRecord[]> {
+  return DB.selectByField(TABLE, 'project_id', projectId)
+}
+
+/** 新增 */
+export async function insert(data: WorkRecord): Promise<any> {
+  return DB.insert(TABLE, data)
+}
+
+/** 更新 */
+export async function update(id: number, data: Partial<WorkRecord>): Promise<any> {
+  return DB.update(TABLE, data, `id = ${id}`)
+}
+
+/** 删除 */
+export async function remove(id: number): Promise<any> {
+  return DB.delete(TABLE, `id = ${id}`)
+}
diff --git a/src/store/modules/db.ts b/src/store/modules/db.ts
new file mode 100644
index 0000000..6382bf7
--- /dev/null
+++ b/src/store/modules/db.ts
@@ -0,0 +1,106 @@
+import type { Project } from '@/service/project'
+import type { RtkTrack } from '@/service/rtkTrack'
+import type { WarningRecord } from '@/service/warningRecord'
+import type { WorkRecord } from '@/service/workRecord'
+import { defineStore } from 'pinia'
+import { ref } from 'vue'
+import {
+  projectService,
+  rtkTrackService,
+  warningRecordService,
+  workRecordService,
+} from '@/service'
+
+export const useDbStore = defineStore('db', () => {
+  // --- State ---
+  const projects = ref<Project[]>([])
+  const workRecords = ref<WorkRecord[]>([])
+  const rtkTracks = ref<RtkTrack[]>([])
+  const warningRecords = ref<WarningRecord[]>([])
+
+  // --- Project ---
+  async function loadProjects() {
+    projects.value = await projectService.selectAll()
+  }
+
+  async function addProject(data: Project) {
+    await projectService.insert(data)
+    await loadProjects()
+  }
+
+  async function updateProject(id: number, data: Partial<Project>) {
+    await projectService.update(id, data)
+    await loadProjects()
+  }
+
+  async function deleteProject(id: number) {
+    await projectService.remove(id)
+    await loadProjects()
+  }
+
+  // --- WorkRecord ---
+  async function loadWorkRecords() {
+    workRecords.value = await workRecordService.selectAll()
+  }
+
+  async function loadWorkRecordsByProject(projectId: number) {
+    workRecords.value = await workRecordService.selectByProjectId(projectId)
+  }
+
+  async function addWorkRecord(data: WorkRecord) {
+    await workRecordService.insert(data)
+    await loadWorkRecords()
+  }
+
+  // --- RtkTrack ---
+  async function loadRtkTracks() {
+    rtkTracks.value = await rtkTrackService.selectAll()
+  }
+
+  async function loadRtkTracksByWorkRecord(workRecordId: number) {
+    rtkTracks.value = await rtkTrackService.selectByWorkRecordId(workRecordId)
+  }
+
+  async function addRtkTrack(data: RtkTrack) {
+    await rtkTrackService.insert(data)
+  }
+
+  // --- WarningRecord ---
+  async function loadWarningRecords() {
+    warningRecords.value = await warningRecordService.selectAll()
+  }
+
+  async function loadUnreadWarnings() {
+    warningRecords.value = await warningRecordService.selectUnread()
+  }
+
+  async function markWarningRead(id: number) {
+    await warningRecordService.markRead(id)
+    await loadWarningRecords()
+  }
+
+  return {
+    // State
+    projects,
+    workRecords,
+    rtkTracks,
+    warningRecords,
+    // Project
+    loadProjects,
+    addProject,
+    updateProject,
+    deleteProject,
+    // WorkRecord
+    loadWorkRecords,
+    loadWorkRecordsByProject,
+    addWorkRecord,
+    // RtkTrack
+    loadRtkTracks,
+    loadRtkTracksByWorkRecord,
+    addRtkTrack,
+    // WarningRecord
+    loadWarningRecords,
+    loadUnreadWarnings,
+    markWarningRead,
+  }
+})