diff --git a/vehicle-data-platform/apps/web/src/v2/domain/track.test.ts b/vehicle-data-platform/apps/web/src/v2/domain/track.test.ts
index c1b4f186..c7a19e12 100644
--- a/vehicle-data-platform/apps/web/src/v2/domain/track.test.ts
+++ b/vehicle-data-platform/apps/web/src/v2/domain/track.test.ts
@@ -1,10 +1,12 @@
 import { describe, expect, it } from 'vitest';
 import type { TrackPlaybackResponse } from '../../api/types';
-import { buildTrackRailSelection, formatDuration, sampledEventIndex, trackAddressCoordinate, trackCsv, trackPlaybackInterval, trackPointMileageAvailable } from './track';
+import { buildTrackRailSelection, compactTrackWindowLabel, formatDuration, sampledEventIndex, trackAddressCoordinate, trackCsv, trackPlaybackInterval, trackPointMileageAvailable } from './track';
 
 describe('track domain', () => {
   it('formats durations and maps original event indices to sampled points', () => {
     expect(formatDuration(3671)).toBe('01:01:11');
+    expect(compactTrackWindowLabel('2026-07-19T00:00', '2026-07-19T23:59')).toBe('00:00–23:59');
+    expect(compactTrackWindowLabel('2026-07-18T00:00', '2026-07-19T23:59')).toBe('07-18 00:00–07-19 23:59');
     expect(sampledEventIndex({ index: 50 } as never, 11, 101)).toBe(5);
     expect(sampledEventIndex({ index: 50, sampledIndex: 7 } as never, 11, 101)).toBe(7);
   });
diff --git a/vehicle-data-platform/apps/web/src/v2/domain/track.ts b/vehicle-data-platform/apps/web/src/v2/domain/track.ts
index a0f1e486..9222b37c 100644
--- a/vehicle-data-platform/apps/web/src/v2/domain/track.ts
+++ b/vehicle-data-platform/apps/web/src/v2/domain/track.ts
@@ -26,6 +26,17 @@ export function formatDuration(seconds: number) {
   return [hours, minutes, remainder].map((value) => String(value).padStart(2, '0')).join(':');
 }
 
+export function compactTrackWindowLabel(dateFrom: string, dateTo: string) {
+  const from = dateFrom.replace('T', ' ');
+  const to = dateTo.replace('T', ' ');
+  const fromDate = from.slice(5, 10);
+  const toDate = to.slice(5, 10);
+  const fromTime = from.slice(11, 16);
+  const toTime = to.slice(11, 16);
+  if (fromDate && fromDate === toDate && fromTime && toTime) return `${fromTime}–${toTime}`;
+  return `${from.slice(5, 16)}–${to.slice(5, 16)}`;
+}
+
 export function sampledEventIndex(event: TrackPlaybackEvent, sampledCount: number, originalCount: number) {
   if (sampledCount <= 1 || originalCount <= 1) return 0;
   if (Number.isInteger(event.sampledIndex) && event.sampledIndex >= 0) {
diff --git a/vehicle-data-platform/apps/web/src/v2/layout/AppShell.tsx b/vehicle-data-platform/apps/web/src/v2/layout/AppShell.tsx
index 65ea24c4..ac387947 100644
--- a/vehicle-data-platform/apps/web/src/v2/layout/AppShell.tsx
+++ b/vehicle-data-platform/apps/web/src/v2/layout/AppShell.tsx
@@ -24,6 +24,7 @@ import { usePlatformSession } from '../auth/AuthGate';
 import { hasMenu } from '../auth/session';
 import { useMobileLayout } from '../hooks/useMobileLayout';
 import { preloadRoute, scheduleIdleRoutePreloads, shouldPreloadRouteOnIntent } from '../routing/routeModules';
+import { resetWorkspaceScroll } from '../routing/resetWorkspaceScroll';
 import { PasswordInput } from '../shared/PasswordInput';
 import { WorkspaceDialog } from '../shared/WorkspaceDialog';
 import { WorkspaceSideSheet } from '../shared/WorkspaceSideSheet';
@@ -141,16 +142,7 @@ export function AppShell() {
   useEffect(() => scheduleIdleRoutePreloads({ activePathname: activeRoutePath }), [activeRoutePath]);
   useLayoutEffect(() => {
     const reset = () => {
-      for (const content of document.querySelectorAll<HTMLElement>('.v2-content')) {
-        content.scrollTop = 0;
-        content.scrollLeft = 0;
-        content.scrollTo?.({ top: 0, left: 0, behavior: 'auto' });
-        const routeRoot = content.firstElementChild;
-        if (routeRoot instanceof HTMLElement) {
-          routeRoot.scrollTop = 0;
-          routeRoot.scrollLeft = 0;
-        }
-      }
+      for (const content of document.querySelectorAll<HTMLElement>('.v2-content')) resetWorkspaceScroll(content);
     };
     reset();
     let trailingFrame = 0;
diff --git a/vehicle-data-platform/apps/web/src/v2/pages/TrackPage.tsx b/vehicle-data-platform/apps/web/src/v2/pages/TrackPage.tsx
index a7692f52..390637f9 100644
--- a/vehicle-data-platform/apps/web/src/v2/pages/TrackPage.tsx
+++ b/vehicle-data-platform/apps/web/src/v2/pages/TrackPage.tsx
@@ -9,7 +9,7 @@ import { useSearchParams } from 'react-router-dom';
 import { api } from '../../api/client';
 import type { TrackPlaybackEvent, TrackPlaybackResponse, VehicleRow } from '../../api/types';
 import { protocolDisplayLabel } from '../domain/protocols';
-import { buildTrackRailSelection, downloadTrackCsv, formatDuration, sampledEventIndex, TRACK_ADDRESS_SETTLE_MS, trackAddressCoordinate, trackPlaybackInterval, trackPointMileageAvailable, type TrackAddressCoordinate } from '../domain/track';
+import { buildTrackRailSelection, compactTrackWindowLabel, downloadTrackCsv, formatDuration, sampledEventIndex, TRACK_ADDRESS_SETTLE_MS, trackAddressCoordinate, trackPlaybackInterval, trackPointMileageAvailable, type TrackAddressCoordinate } from '../domain/track';
 import { TrackMap } from '../map/TrackMap';
 import { InlineError, WorkspaceEmptyGuide } from '../shared/AsyncState';
 import { MonitorReturnBar } from '../shared/MonitorReturnBar';
@@ -442,6 +442,7 @@ export default function TrackPage() {
   const tripSummaryItems = useMemo(() => trackSummaryItems(track), [track]);
   const trackRail = <TrackRail draft={draft} track={track} summaryItems={tripSummaryItems} loading={query.isFetching} activeStopIndexes={activeStopIndexes} activeEventIndexes={activeEventIndexes} tab={panelTab} queryCollapsed={queryCollapsed} showCommandBar={!mobileLayout} onDraft={setDraft} onSubmit={submit} onTab={setPanelTab} onSelectIndex={selectRailIndex} onToggleQuery={toggleQuery} onCollapse={collapseRail} />;
   const appliedWindow = `${draft.dateFrom.replace('T', ' ').slice(5)} – ${draft.dateTo.replace('T', ' ').slice(5)}`;
+  const mobileAppliedWindow = compactTrackWindowLabel(draft.dateFrom, draft.dateTo);
   const appliedSource = draft.protocol ? protocolDisplayLabel(draft.protocol) : '自动来源';
   const mobileSheetTitle = track?.plate || draft.keyword.trim() || '轨迹查询与明细';
   const mobileSheetDescription = track
@@ -459,9 +460,9 @@ export default function TrackPage() {
     tone: item.tone
   })) : [
     { label: '查询状态', value: '待查询', detail: '请先选择车辆', tone: 'primary' as const },
-    { label: '时间范围', value: appliedWindow, detail: '最长连续 7 天' },
+    { label: '时间范围', value: mobileAppliedWindow, detail: '最长连续 7 天' },
     { label: '数据来源', value: appliedSource, detail: '支持自动优选' }
-  ], [appliedSource, appliedWindow, track, tripSummaryItems]);
+  ], [appliedSource, mobileAppliedWindow, track, tripSummaryItems]);
 
   return <div className={`v2-track-page${mobileLayout ? ' is-mobile-layout' : ''}${railCollapsed ? ' is-rail-collapsed' : ''}${monitorReturn ? ' has-monitor-return' : ''}`}>
     <MonitorReturnBar />
diff --git a/vehicle-data-platform/apps/web/src/v2/routing/RouteBoundary.test.tsx b/vehicle-data-platform/apps/web/src/v2/routing/RouteBoundary.test.tsx
index be24eb55..b810cc3e 100644
--- a/vehicle-data-platform/apps/web/src/v2/routing/RouteBoundary.test.tsx
+++ b/vehicle-data-platform/apps/web/src/v2/routing/RouteBoundary.test.tsx
@@ -98,11 +98,14 @@ describe('route recovery boundary', () => {
       useEffect(() => { mounts += 1; }, []);
       return <><strong>本地状态 {count}</strong><button onClick={() => setCount((value) => value + 1)}>修改本地状态</button><button onClick={() => setSearchParams({ page: '2' })}>修改查询参数</button></>;
     }
-    render(<MemoryRouter future={ROUTER_FUTURE} initialEntries={['/alerts']}><RoutePage page={FilterablePage} label="告警中心" /></MemoryRouter>);
+    const view = render(<main className="v2-content"><MemoryRouter future={ROUTER_FUTURE} initialEntries={['/alerts']}><RoutePage page={FilterablePage} label="告警中心" /></MemoryRouter></main>);
+    const content = view.container.querySelector<HTMLElement>('.v2-content')!;
+    content.scrollTop = 240;
     fireEvent.click(screen.getByRole('button', { name: '修改本地状态' }));
     fireEvent.click(screen.getByRole('button', { name: '修改查询参数' }));
     expect(screen.getByText('本地状态 1')).toBeInTheDocument();
     expect(mounts).toBe(1);
+    expect(content.scrollTop).toBe(240);
   });
 
   it('retries a failed route when its search scope changes without remounting healthy scopes', () => {
diff --git a/vehicle-data-platform/apps/web/src/v2/routing/RouteBoundary.tsx b/vehicle-data-platform/apps/web/src/v2/routing/RouteBoundary.tsx
index 80574a72..198e891c 100644
--- a/vehicle-data-platform/apps/web/src/v2/routing/RouteBoundary.tsx
+++ b/vehicle-data-platform/apps/web/src/v2/routing/RouteBoundary.tsx
@@ -1,9 +1,10 @@
 import { IconAlertTriangle } from '@douyinfe/semi-icons';
 import { Card, Tag, Typography } from '@douyinfe/semi-ui';
-import { Component, type ElementType, type ErrorInfo, type ReactNode, Suspense, useCallback, useMemo, useState } from 'react';
+import { Component, type ElementType, type ErrorInfo, type ReactNode, Suspense, useCallback, useLayoutEffect, useMemo, useState } from 'react';
 import { useLocation } from 'react-router-dom';
 import { PageLoading } from '../shared/AsyncState';
 import { RecoveryActions } from '../shared/RecoveryActions';
+import { resetWorkspaceScroll } from './resetWorkspaceScroll';
 
 const { Title, Text } = Typography;
 const CHUNK_RELOAD_KEY = 'vehicle-platform:route-chunk-reload';
@@ -141,6 +142,16 @@ export class PlatformErrorBoundary extends Component<{ children: ReactNode }, {
   }
 }
 
+function RouteScrollReset({ routeKey }: { routeKey: string }) {
+  useLayoutEffect(() => {
+    const reset = () => resetWorkspaceScroll();
+    reset();
+    const frame = window.requestAnimationFrame(reset);
+    return () => window.cancelAnimationFrame(frame);
+  }, [routeKey]);
+  return null;
+}
+
 export function RoutePage({ page, recreatePage, label }: { page: ElementType; recreatePage?: () => ElementType; label: string }) {
   const location = useLocation();
   const routeKey = `${location.pathname}${location.search}`;
@@ -148,6 +159,9 @@ export function RoutePage({ page, recreatePage, label }: { page: ElementType; re
   const Page = useMemo(() => retryKey && recreatePage ? recreatePage() : page, [page, recreatePage, retryKey]);
   const retry = useCallback(() => setRetryKey((value) => value + 1), []);
   return <RecoverableRouteBoundary key={location.pathname} routeKey={routeKey} retryKey={retryKey} onRetry={retry}>
-    <Suspense fallback={<PageLoading label={`正在加载${label}`} />}><Page key={retryKey} /></Suspense>
+    <Suspense fallback={<PageLoading label={`正在加载${label}`} />}>
+      <RouteScrollReset routeKey={location.pathname} />
+      <Page key={retryKey} />
+    </Suspense>
   </RecoverableRouteBoundary>;
 }
diff --git a/vehicle-data-platform/apps/web/src/v2/routing/resetWorkspaceScroll.ts b/vehicle-data-platform/apps/web/src/v2/routing/resetWorkspaceScroll.ts
new file mode 100644
index 00000000..8c6a6583
--- /dev/null
+++ b/vehicle-data-platform/apps/web/src/v2/routing/resetWorkspaceScroll.ts
@@ -0,0 +1,11 @@
+export function resetWorkspaceScroll(content = document.querySelector<HTMLElement>('.v2-content')) {
+  if (!content) return;
+  content.scrollTop = 0;
+  content.scrollLeft = 0;
+  content.scrollTo?.({ top: 0, left: 0, behavior: 'auto' });
+
+  const routeRoot = content.firstElementChild;
+  if (!(routeRoot instanceof HTMLElement)) return;
+  routeRoot.scrollTop = 0;
+  routeRoot.scrollLeft = 0;
+}
diff --git a/vehicle-data-platform/apps/web/src/v2/shared/WorkspaceSideSheet.tsx b/vehicle-data-platform/apps/web/src/v2/shared/WorkspaceSideSheet.tsx
index 60d924d2..4abb2ada 100644
--- a/vehicle-data-platform/apps/web/src/v2/shared/WorkspaceSideSheet.tsx
+++ b/vehicle-data-platform/apps/web/src/v2/shared/WorkspaceSideSheet.tsx
@@ -129,7 +129,7 @@ export function WorkspaceSideSheet({
       {summaryItems.length ? <div className="v2-workspace-config-summary" role="list" aria-label={`${ariaLabel}摘要`}>
         {summaryItems.map((item) => <span className={`is-${item.tone ?? 'neutral'}`} role="listitem" key={item.label}>
           <small>{item.label}</small>
-          <strong>{item.value}</strong>
+          <strong title={typeof item.value === 'string' ? item.value : undefined}>{item.value}</strong>
           {item.detail ? <em>{item.detail}</em> : null}
         </span>)}
       </div> : null}