diff --git a/miniprogram/pages/userManagement/userManagement.ts b/miniprogram/pages/userManagement/userManagement.ts
index 97858b5..89bcbcf 100644
--- a/miniprogram/pages/userManagement/userManagement.ts
+++ b/miniprogram/pages/userManagement/userManagement.ts
@@ -19,6 +19,7 @@ interface SysUserDevice {
     dataType: number
     relationType: number | null
     syncStatus?: number
+    delFlag?: number
 }
 
 /** 同步用的用户项 */
@@ -30,6 +31,7 @@ interface SyncUser {
     age: number
     height: number
     sync: string
+    delFlag?: number
 }
 
 /** 展示用成员项 */
@@ -44,6 +46,7 @@ interface MemberItem {
     syncClass: string
     /** 1=本人 2=自己添加 3=他人添加 */
     relationType: number | null
+    delFlag?: number
 }
 
 /** 展示用分组 */
@@ -147,6 +150,7 @@ Page({
                     sync: item.syncStatus === 1 ? '已同步' : '待同步',
                     syncClass: item.syncStatus === 1 ? 'done' : 'pending',
                     relationType: item.relationType,
+                    delFlag: item.delFlag,
                 })
                 const self = list.find(m => m.relationType === 1)
                 this.setData({
@@ -234,35 +238,26 @@ Page({
             ...(self ? [{
                 id: self.id, userId: self.userId, name: self.name,
                 gender: self.gender === '男' ? 1 : 0,
-                age: self.age, height: self.height, sync: self.sync,
+                age: self.age, height: self.height, sync: self.sync, delFlag: self.delFlag,
             }] : []),
             ...this.data.groups.flatMap(g => g.members.map(m => ({
                 id: String(m.id), userId: m.userId, name: m.name,
-                gender: m.gender === '男' ? 1 : 0, age: m.age, height: m.height, sync: m.sync,
+                gender: m.gender === '男' ? 1 : 0, age: m.age, height: m.height, sync: m.sync, delFlag: m.delFlag,
             }))),
         ]
     },
 
-    /** 同步完成后的统一处理：标记同步 + 更新列表状态 + 关闭弹框 */
-    _handleSyncSuccess(users: SyncUser[], successText: string) {
+    /** 同步完成后的统一处理：上报后刷新列表 + 关闭弹框 */
+    _finishSync(reportUsers: SyncUser[] | null, successText: string) {
         this.setData({ syncPercent: 100, syncStatus: '同步完成' })
         wx.showToast({ title: successText, icon: 'success' })
-        const syncedIds = users.map(u => u.userId).filter(Boolean)
-        if (targetDevice?.sn && syncedIds.length) {
-            markSynced({ sn: targetDevice.sn, list: syncedIds })
-                .then(() => {
-                    const syncedSet = new Set(syncedIds)
-                    this.setData({
-                        self: this.data.self && syncedSet.has(this.data.self.userId)
-                            ? { ...this.data.self, sync: '已同步', syncClass: 'done' }
-                            : this.data.self,
-                        groups: this.data.groups.map(g => ({
-                            ...g,
-                            members: g.members.map(m => syncedSet.has(m.userId) ? { ...m, sync: '已同步', syncClass: 'done' } : m),
-                        })),
-                    })
-                })
-                .catch(() => {})
+        if (reportUsers && reportUsers.length && targetDevice?.sn) {
+            const syncedIds = reportUsers.map(u => u.userId).filter(Boolean)
+            if (syncedIds.length) {
+                markSynced({ sn: targetDevice.sn, list: syncedIds })
+                    .then(() => this._loadMembers())
+                    .catch(() => {})
+            }
         }
         if (syncCloseTimer !== null) { clearTimeout(syncCloseTimer); syncCloseTimer = null }
         syncCloseTimer = setTimeout(() => {
@@ -271,7 +266,7 @@ Page({
         }, 1000)
     },
 
-    /** 同步用户至设备：只下发「待同步」的用户 */
+    /** 同步用户至设备：有删除标记则清空重下发，否则只下发「待同步」 */
     onTapSync() {
         if (!this._ensureConnected()) return
 
@@ -280,13 +275,19 @@ Page({
             wx.showToast({ title: '暂无用户可同步', icon: 'none' })
             return
         }
-        // 只下发「待同步」的用户
+        // 有删除标记（delFlag=1）：清空设备后下发未删除的用户，上报所有用户
+        const hasDeleted = allUsers.some(u => u.delFlag === 1)
+        if (hasDeleted) {
+            const normalUsers = allUsers.filter(u => u.delFlag !== 1)
+            this._clearAndSync(normalUsers, allUsers)
+            return
+        }
+        // 无删除标记：只下发「待同步」的用户
         const pendingUsers = allUsers.filter(u => u.sync !== '已同步')
         if (!pendingUsers.length) {
             wx.showToast({ title: '没有需要同步的用户', icon: 'none' })
             return
         }
-
         // 先读设备端主用户列表，判断设备是否已有主用户
         leFuService.fetchDeviceUserIds()
             .then((deviceUserIds) => this._syncUsers(pendingUsers, deviceUserIds))
@@ -325,14 +326,14 @@ Page({
                 syncStatus: `正在同步 ${current}/${total}...`,
             })
         })
-            .then(() => this._handleSyncSuccess(pendingUsers, '用户同步成功'))
+            .then(() => this._finishSync(pendingUsers, '用户同步成功'))
             .catch((err: Error) => {
                 this.setData({ syncShow: false })
                 wx.showToast({ title: err.message || '同步失败，请重试', icon: 'none' })
             })
     },
 
-    /** 长按标题：清除设备用户信息并全部重新下发 */
+    /** 长按标题：清除设备用户信息并全部重新下发（不上报） */
     onLongPressSectionTitle() {
         if (!this._ensureConnected()) return
         const allUsers = this._buildAllUsers()
@@ -340,13 +341,13 @@ Page({
             wx.showToast({ title: '暂无用户可下发', icon: 'none' })
             return
         }
-        this._resendAllUsers(allUsers)
+        this._clearAndSync(allUsers, null)
     },
 
-    /** 清除设备用户后全部重新下发 */
-    _resendAllUsers(allUsers: SyncUser[]) {
-        const mainUser = allUsers[0]
-        const syncDataList: SyncUserData[] = allUsers.map((user, index) => ({
+    /** 清除设备用户后重新下发；reportUsers 为 null 时不上报后台 */
+    _clearAndSync(syncUsers: SyncUser[], reportUsers: SyncUser[] | null) {
+        const mainUser = syncUsers[0]
+        const syncDataList: SyncUserData[] = syncUsers.map((user, index) => ({
             userID: mainUser.id,
             userName: user.name,
             memberID: user.id === mainUser.id ? '' : user.id,
@@ -369,7 +370,7 @@ Page({
                     syncStatus: `正在同步 ${current}/${total}...`,
                 })
             }))
-            .then(() => this._handleSyncSuccess(allUsers, '重新下发成功'))
+            .then(() => this._finishSync(reportUsers, '重新下发成功'))
             .catch((err: Error) => {
                 this.setData({ syncShow: false })
                 wx.showToast({ title: err.message || '重新下发失败', icon: 'none' })