diff --git a/miniprogram/lefu/service.ts b/miniprogram/lefu/service.ts
index b0c0c2d..63b9764 100644
--- a/miniprogram/lefu/service.ts
+++ b/miniprogram/lefu/service.ts
@@ -142,7 +142,7 @@ class LeFuService {
         })
 
         plugin.bus.subscribe('deviceInfo', (res: DeviceInfo) => {
-            console.log(TAG, 'bus[deviceInfo]:', res?.modelNumber)
+            console.log(TAG, 'bus[deviceInfo]:', res)
             this._deviceInfo = res
             this._onDeviceInfoCb?.(res)
         })
diff --git a/miniprogram/pages/connectedDevice/connectedDevice.ts b/miniprogram/pages/connectedDevice/connectedDevice.ts
index 6f056f5..d4efd5a 100644
--- a/miniprogram/pages/connectedDevice/connectedDevice.ts
+++ b/miniprogram/pages/connectedDevice/connectedDevice.ts
@@ -171,7 +171,14 @@ Page({
 
         wx.showLoading({ title: '连接中...', mask: true })
         lefuService.connect(raw)
+        lefuService.onConnectState((state) => {
+            if (state === lefuService.BLUE_STATE.CONNECTFAILED) {
+                wx.hideLoading()
+                wx.showToast({ title: '连接失败，请重试', icon: 'none' })
+            }
+        })
         lefuService.onDeviceConnect(() => {
+            wx.setStorageSync('connectDeviceInfo', { ...raw.raw, scaleDeviceName: raw.raw.name })
             const list = this.data.deviceList.map((item, i) => ({
                 ...item,
                 connected: i === index,
diff --git a/miniprogram/pages/equipment/equipment.ts b/miniprogram/pages/equipment/equipment.ts
index 609b41c..b0ce340 100644
--- a/miniprogram/pages/equipment/equipment.ts
+++ b/miniprogram/pages/equipment/equipment.ts
@@ -1,4 +1,6 @@
 import { get } from '../../utils/request/index'
+import { lefuService } from '../../lefu/index'
+import type { RawDevice } from '../../lefu/types'
 
 /** API 返回的设备记录 */
 interface DeviceRecord {
@@ -38,6 +40,8 @@ interface DeviceRecord {
 interface DeviceItem {
     id: string
     scaleDeviceId: string
+    scaleDeviceName: string
+    connectDeviceInfo: string
     realname: string
     /** 蓝牙连接状态，接口不返回，由业务层更新 */
     connected: boolean
@@ -49,47 +53,127 @@ Page({
         deviceList: [] as DeviceItem[],
     },
 
-    onLoad() {
+    onShow() {
         this.loadData()
     },
 
-    /** 拉取已绑定设备列表 */
+    onUnload() {
+        lefuService.stopScan()
+        lefuService.onDeviceConnect(() => {})
+        lefuService.onDeviceInfo(() => {})
+    },
+
+    /** 拉取已绑定设备列表，加载完成后检查缓存自动连接 */
     loadData() {
         this.setData({ loading: true })
-        get<DeviceRecord[]>('weighingScale/v3/list/device')
+        const userInfo = wx.getStorageSync('userInfo')
+        get<DeviceRecord[]>('weighingScale/v3/list/device', { userId: userInfo?.userId })
             .then(res => {
-                const list: DeviceItem[] = res.result.map(item => ({
-                    id: item.id,
-                    scaleDeviceId: item.scaleDeviceId,
-                    realname: item.realname,
-                    connected: false,
-                }))
-                this.setData({ deviceList: list })
+                const list: DeviceItem[] = res.result.map(item => {
+                    let scaleDeviceName = ''
+                    try {
+                        const info = JSON.parse(item.connectDeviceInfo || '{}')
+                        scaleDeviceName = info.name ?? ''
+                    } catch {}
+                    return {
+                        id: item.id,
+                        scaleDeviceId: item.scaleDeviceId,
+                        scaleDeviceName,
+                        connectDeviceInfo: item.connectDeviceInfo ?? '',
+                        realname: item.realname,
+                        connected: false,
+                    }
+                })
+                this.setData({ deviceList: list }, () => {
+                    this._checkAndAutoConnect()
+                })
             })
             .finally(() => {
                 this.setData({ loading: false })
             })
     },
 
-    /* 点击「连接」→ 跳转设备搜索页 */
-    onTapConnect() {
-        wx.navigateTo({
-			url: '/pages/connectedDevice/connectedDevice'
-		})
+    /** 检查缓存设备：已连接则直接标记，未连接则扫描自动连接 */
+    _checkAndAutoConnect() {
+        const cachedRaw = wx.getStorageSync('connectDeviceInfo') as RawDevice | null
+        if (!cachedRaw) return
+
+        // 已连接且 deviceInfo 就绪，直接标记列表
+        if (lefuService.isConnected && lefuService.deviceInfo?.serialNumber) {
+            this._markConnected(lefuService.deviceInfo.serialNumber as string)
+            return
+        }
+
+        // 未连接，直接用缓存对象连，不走扫描
+        wx.showLoading({ title: '连接中...', mask: true })
+        wx.openBluetoothAdapter({
+            success: () => {
+                const target = { name: cachedRaw.scaleDeviceName ?? cachedRaw.name ?? '', raw: cachedRaw, model: {} }
+                lefuService.connect(target)
+                lefuService.onDeviceConnect(() => {
+                    wx.hideLoading()
+                })
+                lefuService.onDeviceInfo((info) => {
+                    this._markConnected(info.serialNumber as string)
+                })
+            },
+            fail: () => {
+                wx.hideLoading()
+            },
+        })
     },
 
-    /* 点击「成员管理」→ 跳转成员管理页，传 SN；userId 由目标页从缓存读取 */
-    onTapMember(e: WechatMiniprogram.TouchEvent) {
-        const sn = e.currentTarget.dataset.sn as string
-        wx.navigateTo({
-			url: `/pages/equipmentMember/equipmentMember?sn=${sn}`
-		})
+    /** 将 serialNumber 对应的列表项标记为已连接，其余置为未连接 */
+    _markConnected(serialNumber: string) {
+        const list = this.data.deviceList.map(item => ({
+            ...item,
+            connected: item.scaleDeviceId === serialNumber,
+        }))
+        this.setData({ deviceList: list })
+    },
+
+    /** 点击「连接」：断开当前、直接用 connectDeviceInfo 连接指定设备 */
+    onTapConnect(e: WechatMiniprogram.TouchEvent) {
+        const connectDeviceInfoStr = e.currentTarget.dataset.connectDeviceInfo as string
+        let rawDevice: RawDevice | null = null
+        try {
+            rawDevice = JSON.parse(connectDeviceInfoStr || '{}')
+        } catch {}
+        if (!rawDevice) return
+
+        if (lefuService.isConnected) {
+            lefuService.disconnect()
+        }
+        const list = this.data.deviceList.map(item => ({ ...item, connected: false }))
+        this.setData({ deviceList: list })
+
+        wx.showLoading({ title: '连接中...', mask: true })
+        wx.openBluetoothAdapter({
+            success: () => {
+                const target = { name: rawDevice!.scaleDeviceName ?? rawDevice!.name ?? '', raw: rawDevice!, model: {} }
+                lefuService.connect(target)
+                lefuService.onDeviceConnect(() => {
+                    wx.hideLoading()
+                    wx.setStorageSync('connectDeviceInfo', rawDevice)
+                })
+                lefuService.onDeviceInfo((info) => {
+                    this._markConnected(info.serialNumber as string)
+                })
+            },
+            fail: () => {
+                wx.hideLoading()
+                wx.showToast({ title: '蓝牙未开启', icon: 'none' })
+            },
+        })
+    },
+
+    /* 点击「成员管理」→ 跳转成员管理页，sn 由目标页从缓存读取 */
+    onTapMember() {
+        wx.navigateTo({ url: '/pages/equipmentMember/equipmentMember' })
     },
 
     /* 点击「添加设备」→ 跳转设备搜索页 */
     onTapAdd() {
-        wx.navigateTo({
-			url: '/pages/connectedDevice/connectedDevice'
-		})
+        wx.navigateTo({ url: '/pages/connectedDevice/connectedDevice' })
     },
 })
diff --git a/miniprogram/pages/equipment/equipment.wxml b/miniprogram/pages/equipment/equipment.wxml
index 17a1f53..b18bb7e 100644
--- a/miniprogram/pages/equipment/equipment.wxml
+++ b/miniprogram/pages/equipment/equipment.wxml
@@ -12,8 +12,7 @@
 				<view class="card-top">
 					<view class="card-icon"></view>
 					<view class="card-info">
-						<view class="card-name">{{ item.scaleDeviceId }}</view>
-						<view class="card-user">{{ item.realname }}</view>
+						<view class="card-name">{{ item.scaleDeviceName }}</view>
 						<view class="card-status">
 							<!-- 已连接:绿点 + "已连接" -->
 							<block wx:if="{{ item.connected }}">
@@ -36,14 +35,14 @@
 				<block wx:if="{{ item.connected }}">
 					<!-- 已连接:单按钮居中 -->
 					<view class="card-actions card-actions-single">
-						<view class="btn-ghost-full" data-sn="{{ item.scaleDeviceId }}" bind:tap="onTapMember">成员管理</view>
+						<view class="btn-ghost-full" bind:tap="onTapMember">成员管理</view>
 					</view>
 				</block>
 				<block wx:else>
 					<!-- 未连接:双按钮 连接 / 成员管理 -->
 					<view class="card-actions card-actions-double">
-						<view class="btn-ghost-half" data-id="{{ item.id }}" bind:tap="onTapConnect">连接</view>
-						<view class="btn-ghost-half" data-sn="{{ item.scaleDeviceId }}" bind:tap="onTapMember">成员管理</view>
+						<view class="btn-ghost-half" data-connect-device-info="{{ item.connectDeviceInfo }}" bind:tap="onTapConnect">连接</view>
+						<view class="btn-ghost-half" bind:tap="onTapMember">成员管理</view>
 					</view>
 				</block>
 
diff --git a/miniprogram/pages/equipmentMember/equipmentMember.ts b/miniprogram/pages/equipmentMember/equipmentMember.ts
index e2548b8..200c2e9 100644
--- a/miniprogram/pages/equipmentMember/equipmentMember.ts
+++ b/miniprogram/pages/equipmentMember/equipmentMember.ts
@@ -1,4 +1,4 @@
-import { get } from '../../utils/request/index'
+import { get, del } from '../../utils/request/index'
 import { lefuService } from '../../lefu/index'
 import type { DeviceMember } from '../../lefu/index'
 
@@ -116,13 +116,12 @@ function syncToDevice(members: MemberDisplay[]): void {
 
 /**
  * 设备成员管理页
- * 通过 URL 参数 sn + 缓存中的 userId 拉取成员列表
- * 连接状态实时读取 lefuService
+ * sn 与设备名直接读 lefuService.deviceInfo，连接状态实时同步
  */
 Page({
     data: {
         connected: false,
-        /** 当前设备 SN，由 onLoad 从 URL 参数写入 */
+        /** 当前设备 SN，来自 lefuService.deviceInfo.serialNumber */
         sn: '',
         loading: false,
         deviceCard: {
@@ -133,14 +132,23 @@ Page({
         memberList: [] as MemberDisplay[],
     },
 
-    onLoad(options: Record<string, string>) {
-        const sn = options.sn ?? ''
+    onLoad() {
+        const deviceInfo = lefuService.deviceInfo
         this.setData({
-            sn,
-            // 读取 lefuService 当前连接状态作为初始值
+            sn: deviceInfo?.serialNumber ?? '',
             connected: lefuService.isConnected,
+            'deviceCard.name': deviceInfo?.name ?? '',
+        })
+        // deviceInfo 实时同步：进页面时可能还未到达
+        lefuService.onDeviceInfo((info) => {
+            this.setData({
+                sn: info.serialNumber ?? '',
+                'deviceCard.name': info.name ?? '',
+            })
+            if (!this.data.memberList.length && info.serialNumber) {
+                this._loadData(info.serialNumber)
+            }
         })
-        // 监听蓝牙连接/断连，实时更新状态
         lefuService.onDeviceConnect(() => {
             this.setData({ connected: true })
         })
@@ -150,16 +158,15 @@ Page({
     },
 
     onShow() {
-        // 每次页面显示（含首次进入和从子页返回）均刷新列表
         if (this.data.sn) {
             this._loadData(this.data.sn)
         }
     },
 
     onUnload() {
-        // 页面销毁时清空回调，避免对已卸载页面调用 setData
         lefuService.onDeviceConnect(() => {})
         lefuService.onDisconnected(() => {})
+        lefuService.onDeviceInfo(() => {})
     },
 
     /**
@@ -188,18 +195,10 @@ Page({
                         age,
                     }
                 })
-                // 设备名取首条记录的 scaleDeviceId，兜底用传入的 sn
-                const name = res.result[0]?.scaleDeviceId ?? sn
                 this.setData({
                     memberList: list,
-                    'deviceCard.name': name,
                     'deviceCard.capacityUsed': list.length,
                 })
-                // 列表有变更且已连接时才同步到设备
-                const hasChange = JSON.stringify(this.data.memberList) !== JSON.stringify(list)
-                if (this.data.connected && hasChange) {
-                    syncToDevice(list)
-                }
             })
             .finally(() => {
                 this.setData({ loading: false })
@@ -212,15 +211,36 @@ Page({
         wx.showToast({ title: `编辑 ${id}`, icon: 'none' })
     },
 
-    /** 删除成员（接口待接入） */
+    /** 删除成员 */
     onTapDelete(e: WechatMiniprogram.TouchEvent) {
         const id = e.currentTarget.dataset.id as string
+        const target = this.data.memberList.find(m => m.id === id)
+        if (!target) return
+
+        // 主用户有子用户时不允许删除
+        if (target.userType === 1) {
+            const hasSubUser = this.data.memberList.some(m => m.userType !== 1)
+            if (hasSubUser) {
+                wx.showToast({ title: '请先删除所有普通用户', icon: 'none' })
+                return
+            }
+        }
+
         wx.showModal({
             title: '提示',
-            content: '确定删除该成员？',
+            content: '确定要删除该用户吗？',
             success: (res) => {
                 if (!res.confirm) return
-                wx.showToast({ title: '删除功能待接入', icon: 'none' })
+                del('weighingScale/v2/del/user', { id }, { loadingTitle: '正在删除...' })
+                    .then(() => {
+                        wx.showToast({ title: '删除成功', icon: 'success' })
+                        setTimeout(() => {
+                            this._loadData(this.data.sn)
+                        }, 1500)
+                    })
+                    .catch(() => {
+                        wx.showToast({ title: '删除失败，请重试', icon: 'none' })
+                    })
             },
         })
     },
diff --git a/miniprogram/pages/equipmentMember/equipmentMember.wxml b/miniprogram/pages/equipmentMember/equipmentMember.wxml
index 0d78f60..2e0d593 100644
--- a/miniprogram/pages/equipmentMember/equipmentMember.wxml
+++ b/miniprogram/pages/equipmentMember/equipmentMember.wxml
@@ -16,7 +16,7 @@
 				<view class="device-name">{{ deviceCard.name }}</view>
 				<view class="device-status">
 					<view class="status-dot {{ connected ? 'status-dot-on' : 'status-dot-off' }}"></view>
-					<view class="status-text">{{ connected ? '蓝牙已连接' : '未连接' }}</view>
+					<view class="status-text">{{ connected ? '设备已连接' : '未连接' }}</view>
 				</view>
 			</view>
 		</view>
diff --git a/miniprogram/pages/login/login.ts b/miniprogram/pages/login/login.ts
index f414167..32e141b 100644
--- a/miniprogram/pages/login/login.ts
+++ b/miniprogram/pages/login/login.ts
@@ -1,7 +1,7 @@
 import { post } from '../../utils/request/index'
 
 /** 通过 OpenID 登录的用户信息 */
-interface CheckOpenIdLoginResult {
+interface UserInfo {
     id: string
     userId: string
     parentUserId: string | null
@@ -33,6 +33,12 @@ interface CheckOpenIdLoginResult {
     connectDeviceInfo: string
 }
 
+/** 登录接口 result 结构 */
+interface CheckOpenIdLoginResult {
+    user: UserInfo | null
+    token: string
+}
+
 Page({
     data: {
         loading: false,
@@ -55,11 +61,11 @@ Page({
             success: ({ code }) => {
                 post<CheckOpenIdLoginResult>('weighingScale/v2/checkOpenIdLogin', { code })
                     .then(({ result }) => {
-                        /* 存储用户信息 */
-                        wx.setStorageSync('userInfo', result)
+                        wx.setStorageSync('token', result.token)
+                        wx.setStorageSync('userInfo', result.user)
 
                         /* 上次连接设备不为空对象则直接进首页 */
-                        const connectDeviceInfo = result.connectDeviceInfo
+                        const connectDeviceInfo = result.user?.connectDeviceInfo
                         if (connectDeviceInfo && connectDeviceInfo !== '{}') {
                             wx.setStorageSync('connectDeviceInfo', JSON.parse(connectDeviceInfo))
                             wx.reLaunch({ url: '/pages/home/home' })
diff --git a/miniprogram/pages/supplementPersonal/supplementPersonal.ts b/miniprogram/pages/supplementPersonal/supplementPersonal.ts
index c26ec6c..af01803 100644
--- a/miniprogram/pages/supplementPersonal/supplementPersonal.ts
+++ b/miniprogram/pages/supplementPersonal/supplementPersonal.ts
@@ -1,4 +1,5 @@
 import { get, put } from '../../utils/request/index'
+import { lefuService } from '../../lefu/index'
 
 /** 表单数据模型 */
 interface PersonalForm {
@@ -182,7 +183,7 @@ Page({
         this.setData({ querying: true, serverResult: null })
 
         get<UserInfoFromServer>('weighingScale/v3/getUserInfoByIdcard', {
-            sn: '',
+            sn: lefuService.deviceInfo?.serialNumber ?? '',
             idCard,
             realname: name
         }, { loading: false })