diff --git a/backend/app/services/task.py b/backend/app/services/task.py
index e55cbe9..a971182 100644
--- a/backend/app/services/task.py
+++ b/backend/app/services/task.py
@@ -172,6 +172,7 @@ async def _run_on_device(
                     device_row = await db.get(Device, device.id)
                     if device_row:
                         device_row.status = new_status
+                        device_row.last_ping_at = finished_at
                         if action_result_success:
                             device_row.last_seen = finished_at
                             ping_ms = (action_data or {}).get("ping_ms")
diff --git a/frontend/src/pages/ObjectDetail.tsx b/frontend/src/pages/ObjectDetail.tsx
index 47e9d01..0be2459 100644
--- a/frontend/src/pages/ObjectDetail.tsx
+++ b/frontend/src/pages/ObjectDetail.tsx
@@ -46,7 +46,7 @@ import {
 import { useRacks, useCreateRack, useUpdateRack, useDeleteRack, type RackItem } from '../api/racks'
 import { useZones, useCreateZone, useDeleteZone, type ZoneItem } from '../api/zones'
 import { useActions, useCreateTask, useTask } from '../api/tasks'
-import { CategoryTag, DeviceStatusBadge } from '../components/StatusBadge'
+import { CategoryTag } from '../components/StatusBadge'
 import { DeviceEditModal } from '../components/DeviceEditModal'
 import { DiscoveryDrawer } from '../components/DiscoveryDrawer'
 import { stripEmpty } from '../utils/form'
@@ -72,9 +72,9 @@ type GroupRow = {
 type DeviceRow = DeviceItem & { _type: 'device' }
 type TableRow = GroupRow | DeviceRow
 
-// Inventory cols: IP, Hostname, Rack, Category, Status, Ping, Source, Actions = 8
-// Work cols:      IP, Hostname,       Category, Status, Ping,         Actions = 6
-const COL_SPAN: Record<Mode, number> = { inventory: 8, work: 6 }
+// Inventory cols: IP, Hostname, Rack, Category, Ping+Status, Source, Actions = 7
+// Work cols:      IP, Hostname,       Category, Ping+Status,         Actions = 5
+const COL_SPAN: Record<Mode, number> = { inventory: 7, work: 5 }
 
 function PingButton({
   scope,
@@ -419,56 +419,43 @@ export function ObjectDetailPage({ defaultMode = 'inventory' }: { defaultMode?:
         row._type === 'group' ? null : <CategoryTag category={(row as DeviceRow).category} />,
     },
     {
-      title: 'Статус',
-      dataIndex: 'status',
-      key: 'status',
-      onCell: (row: TableRow) => row._type === 'group' ? { colSpan: 0 } : {},
-      render: (_: unknown, row: TableRow) =>
-        row._type === 'group' ? null : <DeviceStatusBadge status={(row as DeviceRow).status} />,
-    },
-    {
-      title: 'Мониторинг',
+      title: 'Последний пинг',
       key: 'monitoring',
-      onCell: (row: TableRow) => row._type === 'group' ? { colSpan: 0 } : {},
+      onCell: (row: TableRow) => {
+        if (row._type === 'group') return { colSpan: 0 }
+        const d = row as DeviceRow
+        const bg =
+          d.status === 'online'  ? '#f6ffed' :
+          d.status === 'offline' ? '#fff2f0' : undefined
+        return bg ? { style: { background: bg } } : {}
+      },
       render: (_: unknown, row: TableRow) => {
         if (row._type === 'group') return null
         const d = row as DeviceRow
 
-        // Нет никаких данных о пинге
         const pingTime = d.last_ping_at ?? d.last_seen
         if (!pingTime) {
-          if (!d.monitor_enabled) return <Typography.Text type="secondary">выключен</Typography.Text>
-          return <Typography.Text type="secondary">ожидание...</Typography.Text>
+          return (
+            <Typography.Text type="secondary">
+              {d.monitor_enabled ? 'ожидание...' : 'нет данных'}
+            </Typography.Text>
+          )
         }
 
         const pauseIcon = !d.monitor_enabled
           ? <Tooltip title="Мониторинг выключен"><span style={{ color: '#faad14', marginLeft: 4 }}>⏸</span></Tooltip>
           : null
 
-        // Устройство online
-        if (d.status === 'online') {
-          return (
-            <Space size={2}>
-              <Tooltip title={elapsedAgo(pingTime)}>
-                <span style={{ color: '#52c41a', cursor: 'default' }}>
-                  {dayjs(pingTime).format('DD.MM.YYYY HH:mm')}
-                </span>
-              </Tooltip>
-              {pauseIcon}
-            </Space>
-          )
-        }
-
-        // Устройство offline или unknown
-        // pingTime = последняя попытка (last_ping_at) или последний онлайн (last_seen как fallback)
         const lastSeenHint = d.last_seen && d.last_ping_at && d.last_ping_at !== d.last_seen
           ? `онлайн был: ${dayjs(d.last_seen).format('DD.MM.YYYY HH:mm')}`
           : null
 
+        const tooltipText = [elapsedAgo(pingTime), lastSeenHint].filter(Boolean).join(' · ')
+
         return (
           <Space size={2}>
-            <Tooltip title={[elapsedAgo(pingTime), lastSeenHint].filter(Boolean).join(' · ')}>
-              <span style={{ color: '#ff4d4f', cursor: 'default' }}>
+            <Tooltip title={tooltipText}>
+              <span style={{ cursor: 'default' }}>
                 {dayjs(pingTime).format('DD.MM.YYYY HH:mm')}
               </span>
             </Tooltip>