diff --git a/src/components/common/SmoothTrendCanvas.vue b/src/components/common/SmoothTrendCanvas.vue
index 96fdbf6..7433ade 100644
--- a/src/components/common/SmoothTrendCanvas.vue
+++ b/src/components/common/SmoothTrendCanvas.vue
@@ -70,16 +70,20 @@ const offset = ref(0)
 const windowSize = ref(30)
 const drag = ref<DragState | null>(null)
 const hoverX = ref<number | null>(null)
+const hoverVisual = ref<{ x: number; downloadY: number; uploadY: number } | null>(null)
 const velocity = ref(0)
 const rafId = ref<number | null>(null)
 const inertiaRafId = ref<number | null>(null)
 const lastInertiaTime = ref(0)
+const lastHoverTime = ref(0)
 const tooltip = ref<TooltipState | null>(null)
 
 const INERTIA_REFERENCE_FRAME_MS = 1000 / 120
 const INERTIA_MAX_FRAME_MS = 1000 / 30
 const INERTIA_DECAY_PER_120HZ_FRAME = 0.96
 const INERTIA_STOP_VELOCITY = 0.01
+const HOVER_EASE_PER_120HZ_FRAME = 0.34
+const HOVER_SNAP_DISTANCE = 0.2
 
 const panelClass = computed(() =>
   props.isDarkMode
@@ -118,13 +122,13 @@ const clampState = () => {
 
 const scheduleDraw = () => {
   if (rafId.value !== null) return
-  rafId.value = window.requestAnimationFrame(() => {
+  rafId.value = window.requestAnimationFrame((timestamp) => {
     rafId.value = null
-    draw()
+    draw(timestamp)
   })
 }
 
-const draw = () => {
+const draw = (timestamp = performance.now()) => {
   const canvas = canvasRef.value
   if (!canvas) return
   const ctx = canvas.getContext('2d')
@@ -266,19 +270,40 @@ const draw = () => {
     const uploadTraffic = Number(row.uploadTraffic || 0)
     const downloadY = padTop + height - (downloads / max) * height
     const uploadY = padTop + height - (uploads / max) * height
-    const anchorY = Math.min(downloadY, uploadY)
+    const elapsed = lastHoverTime.value
+      ? Math.min(timestamp - lastHoverTime.value, INERTIA_MAX_FRAME_MS)
+      : INERTIA_REFERENCE_FRAME_MS
+    lastHoverTime.value = timestamp
+
+    if (!hoverVisual.value) {
+      hoverVisual.value = { x: snapX, downloadY, uploadY }
+    } else {
+      const ease = 1 - Math.pow(1 - HOVER_EASE_PER_120HZ_FRAME, elapsed / INERTIA_REFERENCE_FRAME_MS)
+      const nextX = hoverVisual.value.x + (snapX - hoverVisual.value.x) * ease
+      const nextDownloadY = hoverVisual.value.downloadY + (downloadY - hoverVisual.value.downloadY) * ease
+      const nextUploadY = hoverVisual.value.uploadY + (uploadY - hoverVisual.value.uploadY) * ease
+      hoverVisual.value = {
+        x: Math.abs(nextX - snapX) < HOVER_SNAP_DISTANCE ? snapX : nextX,
+        downloadY:
+          Math.abs(nextDownloadY - downloadY) < HOVER_SNAP_DISTANCE ? downloadY : nextDownloadY,
+        uploadY: Math.abs(nextUploadY - uploadY) < HOVER_SNAP_DISTANCE ? uploadY : nextUploadY
+      }
+    }
+
+    const visual = hoverVisual.value
+    const anchorY = Math.min(visual.downloadY, visual.uploadY)
     const placeBelow = anchorY < 104
     const tooltipInset = Math.min(mobile ? 116 : 132, Math.max(48, rect.width / 2 - 8))
 
     ctx.strokeStyle = props.isDarkMode ? 'rgba(148, 163, 184, 0.35)' : 'rgba(91, 121, 132, 0.28)'
     ctx.lineWidth = 1
     ctx.beginPath()
-    ctx.moveTo(snapX, padTop)
-    ctx.lineTo(snapX, padTop + height)
+    ctx.moveTo(visual.x, padTop)
+    ctx.lineTo(visual.x, padTop + height)
     ctx.stroke()
 
     tooltip.value = {
-      left: clamp(snapX, tooltipInset, rect.width - tooltipInset),
+      left: clamp(visual.x, tooltipInset, rect.width - tooltipInset),
       top: placeBelow ? anchorY + 16 : anchorY - 12,
       date: row.date,
       downloads,
@@ -287,9 +312,19 @@ const draw = () => {
       uploadTraffic: formatBytes(uploadTraffic),
       transform: placeBelow ? 'translate(-50%, 0)' : 'translate(-50%, -100%)'
     }
-    drawHoverPoint({ x: snapX, y: downloadY }, downloadColor)
-    drawHoverPoint({ x: snapX, y: uploadY }, uploadColor)
+    drawHoverPoint({ x: visual.x, y: visual.downloadY }, downloadColor)
+    drawHoverPoint({ x: visual.x, y: visual.uploadY }, uploadColor)
+
+    if (
+      Math.abs(visual.x - snapX) >= HOVER_SNAP_DISTANCE ||
+      Math.abs(visual.downloadY - downloadY) >= HOVER_SNAP_DISTANCE ||
+      Math.abs(visual.uploadY - uploadY) >= HOVER_SNAP_DISTANCE
+    ) {
+      scheduleDraw()
+    }
   } else {
+    hoverVisual.value = null
+    lastHoverTime.value = 0
     tooltip.value = null
   }
 }
@@ -333,7 +368,7 @@ const applyInertia = (timestamp: number) => {
   lastInertiaTime.value = timestamp
 
   pan(velocity.value * elapsed, false)
-  draw()
+  draw(timestamp)
   velocity.value *= Math.pow(
     INERTIA_DECAY_PER_120HZ_FRAME,
     elapsed / INERTIA_REFERENCE_FRAME_MS
@@ -385,6 +420,8 @@ const handlePointerCancel = () => {
 const handlePointerLeave = () => {
   drag.value = null
   hoverX.value = null
+  hoverVisual.value = null
+  lastHoverTime.value = 0
   scheduleDraw()
 }
 
diff --git a/src/types/dashboard.ts b/src/types/dashboard.ts
index 164be95..5552a9a 100644
--- a/src/types/dashboard.ts
+++ b/src/types/dashboard.ts
@@ -114,6 +114,7 @@ export interface AnalyticsFileRow {
   upload_count?: number
   upload_traffic?: number | string
   current: boolean
+  expired?: boolean
   deleted?: boolean
   created_at?: string
   uploaded_at?: string
diff --git a/src/views/manage/FileManageView.vue b/src/views/manage/FileManageView.vue
index 7b5a745..9a09a5b 100644
--- a/src/views/manage/FileManageView.vue
+++ b/src/views/manage/FileManageView.vue
@@ -9,19 +9,6 @@
           {{ t('fileManage.subtitle', { count: summary.totalFiles }) }}
         </p>
       </div>
-      <div class="flex flex-wrap items-center gap-2">
-        <BaseButton
-          v-if="hasActiveFilters"
-          variant="outline"
-          :disabled="isLoading"
-          @click="handleResetFilters"
-        >
-          <template #icon>
-            <XIcon class="mr-2 h-4 w-4" />
-          </template>
-          {{ t('fileManage.resetFilters') }}
-        </BaseButton>
-      </div>
     </div>
 
     <div class="mb-6 grid grid-cols-1 gap-4 md:grid-cols-2 xl:grid-cols-4">
@@ -59,12 +46,25 @@
             {{ hasActiveFilters ? '已应用筛选条件' : '默认收起，需要时展开' }}
           </p>
         </div>
-        <BaseButton variant="secondary" @click="isFilterPanelOpen = !isFilterPanelOpen">
-          <template #icon>
-            <FilterIcon class="mr-2 h-4 w-4" />
-          </template>
-          {{ filterBodyVisible ? '收起筛选' : '展开筛选' }}
-        </BaseButton>
+        <div class="flex flex-wrap items-center justify-end gap-2">
+          <BaseButton
+            v-if="hasActiveFilters"
+            variant="outline"
+            :disabled="isLoading"
+            @click="handleResetFilters"
+          >
+            <template #icon>
+              <XIcon class="mr-2 h-4 w-4" />
+            </template>
+            {{ t('fileManage.resetFilters') }}
+          </BaseButton>
+          <BaseButton variant="secondary" @click="isFilterPanelOpen = !isFilterPanelOpen">
+            <template #icon>
+              <FilterIcon class="mr-2 h-4 w-4" />
+            </template>
+            {{ filterBodyVisible ? '收起筛选' : '展开筛选' }}
+          </BaseButton>
+        </div>
       </div>
 
       <div v-show="filterBodyVisible" class="mt-4 grid gap-4">
@@ -703,7 +703,7 @@
                   {{ formatHistoryBytes(file.download_traffic) }}
                 </td>
                 <td class="px-4 py-3 text-sm" :class="[mutedTextClass]">
-                  {{ file.deleted ? '已删除' : file.current ? '现存' : '历史' }}
+                  {{ getHistoryStatusLabel(file) }}
                 </td>
               </tr>
             </template>
@@ -1613,6 +1613,12 @@ const handleHistoryPageSizeChange = (size: number) => {
 const formatHistoryBytes = (value: number | string | undefined) =>
   formatFileSize(Number(value || 0), 1)
 const formatHistoryDate = (value?: string) => (value ? formatTimestamp(value) : '-')
+const getHistoryStatusLabel = (file: AnalyticsFileRow) => {
+  if (file.deleted) return '已删除'
+  if (file.expired) return '已过期'
+  if (file.current) return '现存'
+  return '历史'
+}
 
 const primaryTextClass = computed(() => (isDarkMode.value ? 'text-white' : 'text-gray-900'))
 const mutedTextClass = computed(() => (isDarkMode.value ? 'text-gray-400' : 'text-gray-500'))