diff --git a/yunkes/src/views/ChatTimeline.vue b/yunkes/src/views/ChatTimeline.vue
index 18eef22..20bd1b6 100644
--- a/yunkes/src/views/ChatTimeline.vue
+++ b/yunkes/src/views/ChatTimeline.vue
@@ -1,6 +1,6 @@
 <script setup lang="ts">
 import { computed, nextTick, onMounted, ref, watch } from 'vue'
-import { useRouter } from 'vue-router'
+import { useRoute, useRouter } from 'vue-router'
 import { ElMessage } from 'element-plus'
 import { ArrowLeft } from '@element-plus/icons-vue'
 import { getMessages } from '@/api'
@@ -25,6 +25,7 @@ const props = defineProps<{
 }>()
 
 const router = useRouter()
+const route = useRoute()
 const PAGE_SIZE = 50
 
 const messages = ref<Message[]>([])
@@ -53,11 +54,25 @@ const conversationTitle = computed(() => {
   return `与 ${props.talkerId} 的聊天记录`
 })
 
-const subtitle = computed(
-  () =>
+/** 从路由 query 读日期窗(从 StaffList stat modal 带窗跳来时有值);缺失=全量(向后兼容)。 */
+const windowStart = computed(() => {
+  const s = Array.isArray(route.query.start) ? route.query.start[0] : route.query.start
+  return s != null && /^\d+$/.test(String(s)) ? Number(s) : undefined
+})
+const windowEnd = computed(() => {
+  const e = Array.isArray(route.query.end) ? route.query.end[0] : route.query.end
+  return e != null && /^\d+$/.test(String(e)) ? Number(e) : undefined
+})
+
+const subtitle = computed(() => {
+  let s =
     `渠道：${channelLabel(channelTyped.value)} · 归属账号：${props.ownerId}` +
-    (total.value > 0 ? ` · 共 ${total.value} 条` : ''),
-)
+    (total.value > 0 ? ` · 共 ${total.value} 条` : '')
+  if (windowStart.value && windowEnd.value) {
+    s += ` · 时段：${formatTime(windowStart.value)} ~ ${formatTime(windowEnd.value)}`
+  }
+  return s
+})
 
 const streamRef = ref<HTMLElement | null>(null)
 
@@ -75,6 +90,8 @@ function queryFor(pageNum: number) {
     owner_account_id: props.ownerId,
     talker_id: isGroup.value ? undefined : props.talkerId,
     room_id: isGroup.value ? props.roomId : undefined,
+    start: windowStart.value,
+    end: windowEnd.value,
     page: pageNum,
     page_size: PAGE_SIZE,
   }
@@ -164,7 +181,8 @@ const drawerTitle = computed(() => {
 
 // Reload when the route params change (navigating between conversations).
 watch(
-  () => [props.channel, props.ownerId, props.talkerId, props.roomId] as const,
+  () =>
+    [props.channel, props.ownerId, props.talkerId, props.roomId, windowStart.value, windowEnd.value] as const,
   () => {
     loadInitial()
   },