diff --git a/miniprogram/images/share/share.jpg b/miniprogram/images/share/share.jpg
new file mode 100644
index 0000000..3d6c7fc
Binary files /dev/null and b/miniprogram/images/share/share.jpg differ
diff --git a/miniprogram/lefu/index.ts b/miniprogram/lefu/index.ts
index c182766..183fad0 100644
--- a/miniprogram/lefu/index.ts
+++ b/miniprogram/lefu/index.ts
@@ -8,4 +8,6 @@ export type {
     LeFuConfig,
     DeviceSetting,
     DeviceMember,
+    DeviceInfo,
+    FirmwareVersion,
 } from './types'
diff --git a/miniprogram/lefu/service.ts b/miniprogram/lefu/service.ts
index fd2d733..e1d7bf2 100644
--- a/miniprogram/lefu/service.ts
+++ b/miniprogram/lefu/service.ts
@@ -1,3 +1,4 @@
+import { get } from '../utils/request/index'
 import type {
     RawDevice,
     LeFuPlugin,
@@ -9,14 +10,18 @@ import type {
     LeFuConfig,
     DeviceSetting,
     DeviceMember,
+    DeviceInfo,
+    FirmwareVersion,
 } from './types'
 
 /** 乐福 SDK 配置 */
 const LEFU_CONFIG: LeFuConfig = {
     key: 'lefudc91611833e18d94',
     secret: 'eQ50JYimMp0X7uhNLj6D3lTEk4TUUvEG7dvaqKM9t1U=',
-    domain1: 'http://device.shuziweidao.com:80/gateway',
-    domain2: 'http://device.shuziweidao.com:80/weight',
+    domain1: 'http://192.168.1.31:8889',        // 测试环境（老版本 无鉴权）
+    domain2: 'http://192.168.1.31:8889/weight', // 测试环境（新版本 有鉴权）
+    // domain1: 'http://device.shuziweidao.com:80/gateway',  // 正式环境
+    // domain2: 'http://device.shuziweidao.com:80/weight',   // 正式环境
 }
 
 /** 支持的设备型号配置列表（5款） */
@@ -76,6 +81,9 @@ class LeFuService {
     /** 保活心跳定时器 */
     private _keepAliveTimer: number | null = null
 
+    /** 连接后从 deviceInfo 事件获取的固件信息 */
+    private _deviceInfo: DeviceInfo | null = null
+
     /** 回调注册（页面通过 on* 方法注册，stopScan 时清空） */
     private _onDevicesListCb: ((devices: ScannedDevice[]) => void) | null = null
     private _onConnectStateCb: ((state: string) => void) | null = null
@@ -161,6 +169,11 @@ class LeFuService {
             this._activeProtocol = res
         })
 
+        // 连接成功后获取固件信息（用于后续 OTA 版本比对）
+        plugin.bus.subscribe('deviceInfo', (res: DeviceInfo) => {
+            this._deviceInfo = res
+        })
+
         // 连接成功
         plugin.bus.subscribe('deviceConnect', () => {
             this._reconnectCount = 0
@@ -225,6 +238,7 @@ class LeFuService {
         this._stopReconnectTimer()
         this._p.Blue.stop()
         this._activeProtocol = null
+        this._deviceInfo = null
         this._onDevicesListCb = null
         this._onConnectStateCb = null
         this._onProgressCb = null
@@ -326,6 +340,61 @@ class LeFuService {
         })
     }
 
+    // ─── OTA 升级 ─────────────────────────────────
+
+    /**
+     * 检查固件版本并按需触发 OTA 升级
+     * @returns true = 已触发升级，false = 无需升级
+     * 调用时机由业务层决定，不自动触发
+     */
+    checkAndUpgrade(): Promise<boolean> {
+        return new Promise((resolve, reject) => {
+            if (!this._activeProtocol) {
+                reject(new Error('[LeFu] 设备未连接'))
+                return
+            }
+            if (!this._deviceInfo) {
+                reject(new Error('[LeFu] 固件信息未就绪，请稍后重试'))
+                return
+            }
+
+            const { firmwareRevision, modelNumber } = this._deviceInfo
+            const [mcuVer, bleVer, wifiVer, resVer] = (firmwareRevision || '').split('.')
+
+            // 设备单段版本（如 "006"）vs 服务端 x.y.z 格式（如 "0.0.6"）比对
+            const isServerNewer = (deviceVer: string, serverVer: string): boolean => {
+                const deviceNum = parseInt(deviceVer, 10)
+                const serverNum = (serverVer || '').split('.').map(v => parseInt(v, 10)).reduce((acc, v) => acc * 1000 + v, 0)
+                return serverNum > deviceNum
+            }
+
+            get<FirmwareVersion>('weighingScale/v2/firmware/version', { type: modelNumber }, { loading: false })
+                .then(res => {
+                    const { mcuVersion, bleVersion, wifiVersion, resVersion } = res.result
+                    const needUpdate =
+                        isServerNewer(mcuVer, mcuVersion) ||
+                        isServerNewer(bleVer, bleVersion) ||
+                        isServerNewer(wifiVer, wifiVersion) ||
+                        isServerNewer(resVer, resVersion)
+
+                    if (!needUpdate) {
+                        resolve(false)
+                        return
+                    }
+
+                    // status: false = 成功，true = 失败
+                    this._activeProtocol.codeOtaUpdate((status: boolean) => {
+                        if (!status) {
+                            resolve(true)
+                        } else {
+                            reject(new Error('[LeFu] OTA 升级失败'))
+                        }
+                    })
+                })
+                .catch(reject)
+        })
+    }
+
     // ─── 私有：保活与重连 ─────────────────────────
 
     private _startKeepAlive(): void {
diff --git a/miniprogram/lefu/types.ts b/miniprogram/lefu/types.ts
index 80270d3..086eceb 100644
--- a/miniprogram/lefu/types.ts
+++ b/miniprogram/lefu/types.ts
@@ -80,6 +80,23 @@ export interface LeFuConfig {
     domain2: string
 }
 
+/** 设备固件信息（deviceInfo 事件返回） */
+export interface DeviceInfo {
+    /** 固件版本号，格式：mcu.ble.wifi.res，如 "006.005.004.305" */
+    firmwareRevision: string
+    /** 设备型号，用于请求服务端版本接口 */
+    modelNumber: string
+    [key: string]: any
+}
+
+/** 服务端固件版本（firmware/version 接口 result 字段） */
+export interface FirmwareVersion {
+    mcuVersion: string
+    bleVersion: string
+    wifiVersion: string
+    resVersion: string
+}
+
 /** 下发给设备的成员信息（lefu 层使用，业务层转换后传入） */
 export interface DeviceMember {
     /** 成员唯一 ID */
diff --git a/miniprogram/pages/home/home.ts b/miniprogram/pages/home/home.ts
index 451f7c8..4446f96 100644
--- a/miniprogram/pages/home/home.ts
+++ b/miniprogram/pages/home/home.ts
@@ -33,7 +33,11 @@ Page({
     onReachBottom() {},
 
     onShareAppMessage(): WechatMiniprogram.Page.ICustomShareContent {
-        return {}
+        return {
+            title: '智能蓝牙秤',
+            path: '/pages/home/home',
+            imageUrl: '/images/share/share.jpg',
+        }
     },
 
     /** 加载首页数据（当前使用 mock，后续替换为真实接口） */
diff --git a/miniprogram/pages/login/login.ts b/miniprogram/pages/login/login.ts
index f3fdf4a..5d94cc5 100644
--- a/miniprogram/pages/login/login.ts
+++ b/miniprogram/pages/login/login.ts
@@ -3,6 +3,14 @@ Page({
         loading: false,
     },
 
+    onShareAppMessage(): WechatMiniprogram.Page.ICustomShareContent {
+        return {
+            title: '智能蓝牙秤',
+            path: '/pages/home/home',
+            imageUrl: '/images/share/share.jpg',
+        }
+    },
+
     /* 微信一键登录 */
     onLogin() {
         wx.navigateTo({
diff --git a/miniprogram/pages/my/my.ts b/miniprogram/pages/my/my.ts
index d9046bc..bd65cf6 100644
--- a/miniprogram/pages/my/my.ts
+++ b/miniprogram/pages/my/my.ts
@@ -1,5 +1,13 @@
 Page({
-  data: {},
+    data: {},
 
-  onLoad() {},
+    onLoad() {},
+
+    onShareAppMessage(): WechatMiniprogram.Page.ICustomShareContent {
+        return {
+            title: '智能蓝牙秤',
+            path: '/pages/home/home',
+            imageUrl: '/images/share/share.jpg',
+        }
+    },
 })
diff --git a/miniprogram/utils/request/index.ts b/miniprogram/utils/request/index.ts
index e7a75ca..92b1445 100644
--- a/miniprogram/utils/request/index.ts
+++ b/miniprogram/utils/request/index.ts
@@ -2,7 +2,8 @@ import type { ApiResponse, HttpMethod, RequestOptions } from './types'
 
 export type { ApiResponse, RequestOptions }
 
-const BASE_URL = 'https://device.shuziweidao.com/gateway/'
+const BASE_URL = 'http://192.168.1.31:8889'             // 测试环境
+// const BASE_URL = 'https://device.shuziweidao.com/gateway'  // 正式环境
 
 let _loadingCount = 0