diff --git a/miniprogram/pages/userManagement/userManagement.ts b/miniprogram/pages/userManagement/userManagement.ts
index 55ee3bc..2486b70 100644
--- a/miniprogram/pages/userManagement/userManagement.ts
+++ b/miniprogram/pages/userManagement/userManagement.ts
@@ -344,15 +344,30 @@ Page({
             })
     },
 
-    /** 长按标题：清除设备用户信息并全部重新下发（不上报） */
+    /** 长按标题：弹窗确认后重置设备用户 */
     onLongPressSectionTitle() {
+        wx.showModal({
+            title: '重置设备用户',
+            content: '清除设备用户，重新下发',
+            cancelText: '取消',
+            confirmText: '确定',
+            success: (res) => {
+                if (!res.confirm) return
+                this._doReset()
+            },
+        })
+    },
+
+    /** 清空设备用户，重新下发全部正常用户，并按同数量上报用户 id */
+    _doReset() {
         if (!this._ensureConnected()) return
         const allUsers = this._buildAllUsers()
-        if (!allUsers.length) {
+        const normalUsers = allUsers.filter(u => u.delFlag !== 1)
+        if (!normalUsers.length) {
             wx.showToast({ title: '暂无用户可下发', icon: 'none' })
             return
         }
-        this._clearAndSync(allUsers, null)
+        this._clearAndSync(normalUsers, normalUsers)
     },
 
     /** 清除设备用户后重新下发；reportUsers 为 null 时不上报后台 */