diff --git a/apps/notes/frontend/src/App.vue b/apps/notes/frontend/src/App.vue
index 005702f..3522e33 100644
--- a/apps/notes/frontend/src/App.vue
+++ b/apps/notes/frontend/src/App.vue
@@ -239,7 +239,8 @@ async function submitPass() {
     await listRecordings()
     needPass.value = false
     authError.value = ''
-    refresh()
+    await refresh()
+    syncFromUrl()
     startPoll()
   } catch (e) {
     if (e.unauthorized) {
@@ -257,6 +258,7 @@ function logout() {
   list.value = []
   selected.value = null
   selectedId.value = null
+  history.replaceState(null, '', window.location.pathname)
   stopPoll()
 }
 
@@ -298,12 +300,21 @@ async function refresh(silent = false) {
 
 async function select(id) {
   selectedId.value = id
+  // URL 同步：?id=N，方便刷新 / 分享 / bookmark
+  const q = new URLSearchParams(window.location.search)
+  q.set('id', String(id))
+  history.replaceState(null, '', '?' + q.toString())
   try { selected.value = await getRecording(id) }
   catch (e) {
     if (e.unauthorized) { logout(); return }
   }
 }
 
+function syncFromUrl() {
+  const id = parseInt(new URLSearchParams(window.location.search).get('id'))
+  if (id && id !== selectedId.value) select(id)
+}
+
 function onFile(e) {
   const f = e.target.files?.[0]
   if (!f) return
@@ -332,6 +343,7 @@ async function remove() {
     await deleteRecording(selectedId.value)
     selectedId.value = null
     selected.value = null
+    history.replaceState(null, '', window.location.pathname)
     await refresh()
   } catch (e) { alert(e.message) }
 }
@@ -421,10 +433,19 @@ function stopPoll() {
   if (pollTimer) { clearInterval(pollTimer); pollTimer = null }
 }
 
-onMounted(() => {
-  if (!needPass.value) { refresh(); startPoll() }
+onMounted(async () => {
+  if (!needPass.value) {
+    await refresh()
+    syncFromUrl()
+    startPoll()
+  }
+  // 浏览器前进/后退按钮也同步
+  window.addEventListener('popstate', syncFromUrl)
+})
+onBeforeUnmount(() => {
+  stopPoll()
+  window.removeEventListener('popstate', syncFromUrl)
 })
-onBeforeUnmount(stopPoll)
 </script>
 
 <style>