diff --git a/miniprogram/pages/addMember/addMember.ts b/miniprogram/pages/addMember/addMember.ts
index f2cd7ba..e87ea4d 100644
--- a/miniprogram/pages/addMember/addMember.ts
+++ b/miniprogram/pages/addMember/addMember.ts
@@ -12,6 +12,34 @@ interface SysUserDevice {
 	birthday: string
 }
 
+/** GET /weighingScale/v3/getUserInfoByIdcard 返回的 result 结构 */
+interface UserInfoFromServer {
+	id: string | null
+	userId: string
+	parentUserId: string | null
+	scaleDeviceId: string
+	deviceId: string | null
+	deviceType: string
+	dataType: number
+	userType: string | null
+	idCard: string
+	height: number
+	weight: number
+	birthday: string
+	sex: number
+	avatar: string | null
+	phone: string
+	thirdId: string | null
+	realname: string
+	bmi: number
+	workNo: string
+	remark: string | null
+	relationType: string | null
+	sn: string
+	delFlag: number
+	sex_dictText: string
+}
+
 /** 表单数据模型 */
 interface MemberForm {
 	/** 姓名 */
@@ -72,6 +100,12 @@ Page({
 		/** 从抽屉选中的完整成员数据，提交时作为 base spread */
 		selectedMember: null as ExistingMember | null,
 		showSelectDrawer: false,
+		/** 正在请求身份证查询接口 */
+		querying: false,
+		/** 是否已完成一次身份证查询（成功 200 即视为完成，无论 result 是否为 null） */
+		hasQueried: false,
+		/** 接口返回的用户信息，姓名 + 身份证联动校正性别年龄 */
+		serverResult: null as UserInfoFromServer | null,
 	},
 
 	onLoad(options: Record<string, string>) {
@@ -91,11 +125,22 @@ Page({
 					'form.height': String(u.height ?? ''),
 					'form.weight': String(u.weight ?? ''),
 				})
+				if ((u.realname ?? '').trim() && this.isIdCardValid(u.idCard ?? '')) {
+					this.fetchUserInfoByIdCard(u.realname.trim(), u.idCard)
+				}
 			})
 	},
 
 	onNameInput(e: WechatMiniprogram.Input) {
-		this.setData({ 'form.name': e.detail.value })
+		const name = e.detail.value
+		this.setData({ 'form.name': name })
+		if (!name.trim()) {
+			this.setData({ serverResult: null, hasQueried: false })
+			return
+		}
+		if (this.isIdCardValid(this.data.form.idCard)) {
+			this.fetchUserInfoByIdCard(name.trim(), this.data.form.idCard)
+		}
 	},
 
 	onIdCardInput(e: WechatMiniprogram.Input) {
@@ -106,6 +151,13 @@ Page({
 			'form.gender': parsed.gender,
 			'form.age': parsed.age
 		})
+		if (!parsed.gender) {
+			this.setData({ serverResult: null, hasQueried: false })
+			return
+		}
+		if (this.data.form.name.trim()) {
+			this.fetchUserInfoByIdCard(this.data.form.name.trim(), idCard)
+		}
 	},
 
 	onHeightInput(e: WechatMiniprogram.Input) {
@@ -116,12 +168,19 @@ Page({
 		this.setData({ 'form.weight': e.detail.value })
 	},
 
+	/**
+	 * 校验身份证格式：18 位，前 17 位数字，末位数字或 X
+	 */
+	isIdCardValid(idCard: string): boolean {
+		return /^\d{17}[\dX]$/.test(idCard)
+	},
+
 	/**
 	 * 解析身份证，返回性别、年龄、sex 数值、出生日期
 	 */
 	parseIdCard(idCard: string): IdCardParsed {
 		const empty: IdCardParsed = { gender: '', age: '', sex: 0, birthday: '' }
-		if (!/^\d{17}[\dX]$/.test(idCard)) return empty
+		if (!this.isIdCardValid(idCard)) return empty
 
 		const genderCode = parseInt(idCard.charAt(16), 10)
 		const sex = genderCode % 2 === 1 ? 1 : 2
@@ -142,6 +201,41 @@ Page({
 		return { gender, age: String(age), sex, birthday: `${year}-${mm}-${dd}` }
 	},
 
+	/**
+	 * 调用服务端接口校验身份证与姓名，成功后用接口返回的身份证重新计算性别年龄
+	 * result 为 null 视为「查无此人」，标记 hasQueried 允许新增提交
+	 */
+	fetchUserInfoByIdCard(name: string, idCard: string) {
+		if (this.data.querying) return
+		this.setData({ querying: true, serverResult: null, hasQueried: false })
+
+		get<UserInfoFromServer>('weighingScale/v3/getUserInfoByIdcard', {
+			sn: lefuService.deviceInfo?.serialNumber ?? '',
+			idCard,
+			realname: name
+		}, { loading: false })
+			.then(res => {
+				const serverResult = res.result
+				if (!serverResult) {
+					this.setData({ hasQueried: true })
+					return
+				}
+				const parsed = this.parseIdCard(serverResult.idCard)
+				this.setData({
+					serverResult,
+					hasQueried: true,
+					'form.gender': parsed.gender,
+					'form.age': parsed.age
+				})
+			})
+			.catch(() => {
+				// 查询失败保留本地解析结果，hasQueried 维持 false 以便用户重试时再次触发
+			})
+			.finally(() => {
+				this.setData({ querying: false })
+			})
+	},
+
 	onTapSelectExisting() {
 		this.setData({ showSelectDrawer: true })
 	},
@@ -194,13 +288,20 @@ Page({
 			wx.showToast({ title: '请填写体重', icon: 'none' })
 			return
 		}
+		if (!this.data.hasQueried) {
+			wx.showToast({ title: this.data.querying ? '身份信息验证中，请稍候' : '请检查姓名与身份证号', icon: 'none' })
+			return
+		}
 
 		const parsed = this.parseIdCard(idCard)
 		const userInfo = wx.getStorageSync('userInfo')
 		const connectDeviceInfoRaw = wx.getStorageSync('connectDeviceInfo')
+		const serverResult = this.data.serverResult
 
+		// selectedMember(抽屉选中) → serverResult(接口校验，可能为 null) → 表单/本地解析(用户输入) 依次覆盖
 		const payload: Record<string, any> = {
 			...(this.data.selectedMember ?? {}),
+			...(serverResult ?? {}),
 			parentUserId: userInfo?.userId ?? '',
 			scaleDeviceId: lefuService.deviceInfo?.serialNumber ?? '',
 			realname: name.trim(),
diff --git a/miniprogram/pages/home/home.ts b/miniprogram/pages/home/home.ts
index 93bfad9..997604b 100644
--- a/miniprogram/pages/home/home.ts
+++ b/miniprogram/pages/home/home.ts
@@ -152,9 +152,12 @@ Page({
         lefuService.checkAndUpgrade()
             .then(() => {
                 wx.showLoading({ title: '固件升级中...', mask: true })
-				setTimeout(() => {
-					wx.hideLoading()
-				}, 15000)
+                setTimeout(() => {
+                    wx.hideLoading()
+                    // 升级完成后设备重启，旧连接与订阅失效，重新扫描连接
+                    this.setData({ 'device.connected': false })
+                    lefuService.autoConnect()
+                }, 15000)
             })
             .catch(() => {})
     },