diff --git a/src/pages/index/splitAlerts.ts b/src/pages/index/splitAlerts.ts
new file mode 100644
index 0000000..39828c0
--- /dev/null
+++ b/src/pages/index/splitAlerts.ts
@@ -0,0 +1,15 @@
+import type { EventItem } from '@/api/event'
+
+// 首页告警分流：status=1 未处理（首页只展示最新一条），其余全部进消息列表
+export function splitAlerts(list: EventItem[]): {
+  unhandled: EventItem[]
+  messages: EventItem[]
+} {
+  const unhandled: EventItem[] = []
+  const messages: EventItem[] = []
+  for (const item of list) {
+    if (item.status === 1) unhandled.push(item)
+    else messages.push(item)
+  }
+  return { unhandled, messages }
+}
diff --git a/tests/unit/home/splitAlerts.spec.ts b/tests/unit/home/splitAlerts.spec.ts
new file mode 100644
index 0000000..1a8a4bb
--- /dev/null
+++ b/tests/unit/home/splitAlerts.spec.ts
@@ -0,0 +1,49 @@
+import { describe, it, expect } from 'vitest'
+import { splitAlerts } from '@/pages/index/splitAlerts'
+import type { EventItem } from '@/api/event'
+
+const item = (over: Partial<EventItem>): EventItem => ({
+  id: 1,
+  sceneName: '客厅',
+  deviceName: '体征监测仪',
+  status: 2,
+  time: '2026-09-07 21:22:12',
+  ...over
+})
+
+describe('splitAlerts', () => {
+  it('status=1 进入未处理组，其余进入消息组', () => {
+    const list = [
+      item({ id: 1, status: 1 }),
+      item({ id: 2, status: 2 }),
+      item({ id: 3, status: 3 })
+    ]
+    const { unhandled, messages } = splitAlerts(list)
+    expect(unhandled.map((i) => i.id)).toEqual([1])
+    expect(messages.map((i) => i.id)).toEqual([2, 3])
+  })
+
+  it('status 异常值（如 0、99）落入消息组不丢弃', () => {
+    const list = [item({ id: 1, status: 0 }), item({ id: 2, status: 99 })]
+    const { unhandled, messages } = splitAlerts(list)
+    expect(unhandled).toEqual([])
+    expect(messages.map((i) => i.id)).toEqual([1, 2])
+  })
+
+  it('空列表两组均为空', () => {
+    const { unhandled, messages } = splitAlerts([])
+    expect(unhandled).toEqual([])
+    expect(messages).toEqual([])
+  })
+
+  it('两组均保持原有相对顺序', () => {
+    const list = [
+      item({ id: 3, status: 2 }),
+      item({ id: 1, status: 1 }),
+      item({ id: 2, status: 2 })
+    ]
+    const { unhandled, messages } = splitAlerts(list)
+    expect(unhandled.map((i) => i.id)).toEqual([1])
+    expect(messages.map((i) => i.id)).toEqual([3, 2])
+  })
+})