diff --git a/web/src/admin/layouts/AdminLayout.vue b/web/src/admin/layouts/AdminLayout.vue
index 821c5b4..98dc99a 100644
--- a/web/src/admin/layouts/AdminLayout.vue
+++ b/web/src/admin/layouts/AdminLayout.vue
@@ -100,6 +100,8 @@ async function refresh(): Promise<void> {
 
 async function logout(): Promise<void> {
   await auth.logout()
+  // 会话已失效，旧连接仍是原身份，重连回落到访客态
+  data.restartRealtime()
   toast.info('已退出登录，当前为只读访客视图')
   void router.push({ name: 'dashboard' })
 }
@@ -165,7 +167,7 @@ onMounted(async () => {
           <span class="mx-badge" :class="`mx-badge-${connection.tone}`" :title="connection.hint">
             {{ connection.text }}
           </span>
-          <span v-if="data.serverHealth" class="version mono">v{{ data.serverHealth }}</span>
+          <span v-if="data.serverHealth" class="version mono">{{ data.serverHealth }}</span>
           <button
             class="mx-btn mx-btn-ghost mx-btn-icon"
             type="button"
diff --git a/web/src/admin/pages/LoginPage.vue b/web/src/admin/pages/LoginPage.vue
index b6177dd..d9abf76 100644
--- a/web/src/admin/pages/LoginPage.vue
+++ b/web/src/admin/pages/LoginPage.vue
@@ -26,6 +26,8 @@ async function submit(): Promise<void> {
   }
   toast.success(`欢迎回来，${auth.displayName}`)
   await data.load()
+  // 登录后会话身份变了（此前可能是访客连接），重建 WS 让服务端重新识别身份
+  data.restartRealtime()
   // 首次登录强制改密，改完才放行到业务页面
   void router.push({ name: auth.user?.mustChangePassword ? 'password' : 'entry' })
 }
diff --git a/web/src/admin/stores/event.ts b/web/src/admin/stores/event.ts
index 31e7894..3f4bc4b 100644
--- a/web/src/admin/stores/event.ts
+++ b/web/src/admin/stores/event.ts
@@ -110,6 +110,18 @@ export const useEventStore = defineStore('admin-event', () => {
     realtime.connect()
   }
 
+  /**
+   * 重建实时连接。
+   *
+   * WS 身份在握手时确定，登录 / 退出 / 改密后会话已变，必须关掉旧连接重连，
+   * 否则会一直带着旧身份（被服务端以 1008 拒绝后则停在 offline，永远显示「连接中断」）。
+   */
+  function restartRealtime(): void {
+    realtime?.close()
+    realtime = null
+    if (!mockMode.value && loaded.value) startRealtime()
+  }
+
   async function refreshStandings(): Promise<void> {
     try {
       const [next, athletes] = await Promise.all([
@@ -161,6 +173,7 @@ export const useEventStore = defineStore('admin-event', () => {
     canWrite,
     load,
     checkHealth,
+    restartRealtime,
     refreshStandings,
     refreshEvents,
     eventById,
diff --git a/web/src/admin/tests/event-realtime.test.ts b/web/src/admin/tests/event-realtime.test.ts
new file mode 100644
index 0000000..602a330
--- /dev/null
+++ b/web/src/admin/tests/event-realtime.test.ts
@@ -0,0 +1,91 @@
+import { test } from 'node:test'
+import assert from 'node:assert/strict'
+import { createPinia, setActivePinia } from 'pinia'
+import { adminApi, mockMode } from '../api/client'
+import { useEventStore } from '../stores/event'
+
+// P0-1：WS 身份在握手时确定，登录 / 退出 / 改密后必须重建连接。
+// 旧连接被服务端 1008 拒绝后客户端会停止重连，没有 restartRealtime 就永远停在 offline。
+
+class FakeSocket {
+  static readonly CONNECTING = 0
+  static readonly OPEN = 1
+  static readonly CLOSED = 3
+  static instances: FakeSocket[] = []
+
+  readyState = FakeSocket.CONNECTING
+  onopen: (() => void) | null = null
+  onmessage: ((event: { data: unknown }) => void) | null = null
+  onerror: (() => void) | null = null
+  onclose: ((event: { code: number }) => void) | null = null
+  readonly url: string
+  readonly sent: string[] = []
+
+  constructor(url: string) {
+    this.url = url
+    FakeSocket.instances.push(this)
+  }
+
+  send(data: string): void {
+    this.sent.push(data)
+  }
+
+  close(): void {
+    this.readyState = FakeSocket.CLOSED
+    this.onclose?.({ code: 1006 })
+  }
+
+  open(): void {
+    this.readyState = FakeSocket.OPEN
+    this.onopen?.()
+  }
+}
+
+test('restartRealtime 关闭旧连接并按当前会话重建', async () => {
+  FakeSocket.instances = []
+  ;(globalThis as { WebSocket?: unknown }).WebSocket = FakeSocket
+  setActivePinia(createPinia())
+
+  adminApi.bootstrap = async () => ({
+    settings: null,
+    teams: [],
+    sports: [],
+    events: [],
+    profiles: [],
+    standings: [],
+    athleteStandings: [],
+  })
+  adminApi.health = async () => {
+    throw new Error('health 不可达')
+  }
+
+  const store = useEventStore()
+  await store.load()
+  assert.equal(store.realtimeStatus, 'connecting')
+  assert.equal(FakeSocket.instances.length, 1)
+
+  const first = FakeSocket.instances[0]
+  assert.ok(first)
+  first.open()
+  assert.equal(store.realtimeStatus, 'online')
+
+  // 改密后服务端作废全部会话，旧连接以 1008 关闭并停在 offline
+  first.readyState = FakeSocket.CLOSED
+  first.onclose?.({ code: 1008 })
+  assert.equal(store.realtimeStatus, 'offline')
+
+  store.restartRealtime()
+  assert.equal(first.readyState, FakeSocket.CLOSED)
+  assert.equal(FakeSocket.instances.length, 2)
+  assert.equal(store.realtimeStatus, 'connecting')
+  const second = FakeSocket.instances[1]
+  assert.ok(second)
+  second.open()
+  assert.equal(store.realtimeStatus, 'online')
+
+  // 示例数据模式不建真实连接
+  mockMode.value = true
+  store.restartRealtime()
+  assert.equal(store.realtimeStatus, 'idle')
+  assert.equal(FakeSocket.instances.length, 2)
+})
diff --git a/web/src/shared/tests/resolve.mjs b/web/src/shared/tests/resolve.mjs
index 3f24d48..caae52e 100644
--- a/web/src/shared/tests/resolve.mjs
+++ b/web/src/shared/tests/resolve.mjs
@@ -1,11 +1,25 @@
 /**
- * `node --test` 专用的解析钩子：把 TS 源码里的无扩展名相对导入补成 .ts。
- * 只服务于测试，不参与 Vite 构建。
+ * `node --test` 专用的解析钩子：把 TS 源码里的无扩展名相对导入补成 .ts，
+ * 并把 Vite 的 `@/` 别名映射到 src/。只服务于测试，不参与 Vite 构建。
  */
 import { existsSync } from 'node:fs'
 import { fileURLToPath } from 'node:url'
 
+const SRC = new URL('../../', import.meta.url)
+
+function resolveAlias(specifier) {
+  if (!specifier.startsWith('@/')) return null
+  const base = new URL(specifier.slice(2), SRC)
+  for (const ext of ['.ts', '.mjs', '.js', '/index.ts']) {
+    const candidate = new URL(base.href + ext)
+    if (existsSync(fileURLToPath(candidate))) return candidate.href
+  }
+  return null
+}
+
 export async function resolve(specifier, context, next) {
+  const alias = resolveAlias(specifier)
+  if (alias !== null) return next(alias, context)
   if (specifier.startsWith('.') && !/\.[cm]?[jt]s$/.test(specifier)) {
     for (const ext of ['.ts', '.mjs', '.js']) {
       const candidate = new URL(specifier + ext, context.parentURL)