diff --git a/src/apis/request/biz/index.ts b/src/apis/request/biz/index.ts
index 79a3c5a..aa7d729 100644
--- a/src/apis/request/biz/index.ts
+++ b/src/apis/request/biz/index.ts
@@ -6,4 +6,5 @@ export * from './icmp';
 export * from './log';
 export * from './storage';
 export * from './other';
+export * from './upper-ndm';
 export * from './video';
diff --git a/src/apis/request/biz/upper-ndm/index.ts b/src/apis/request/biz/upper-ndm/index.ts
new file mode 100644
index 0000000..c915e96
--- /dev/null
+++ b/src/apis/request/biz/upper-ndm/index.ts
@@ -0,0 +1 @@
+export * from './upper-ndm';
diff --git a/src/apis/request/biz/upper-ndm/upper-ndm.ts b/src/apis/request/biz/upper-ndm/upper-ndm.ts
new file mode 100644
index 0000000..f324711
--- /dev/null
+++ b/src/apis/request/biz/upper-ndm/upper-ndm.ts
@@ -0,0 +1,20 @@
+import { ndmClient, userClient, type Station } from '@/apis';
+import { unwrapResponse } from '@/utils';
+
+export async function snapStatusApi(method: 'get', options?: { stationCode?: Station['code']; signal?: AbortSignal }): Promise<boolean>;
+export async function snapStatusApi(method: 'post', options: { doSnap: boolean; stationCode?: Station['code']; signal?: AbortSignal }): Promise<boolean>;
+export async function snapStatusApi(method: 'get' | 'post', options?: { doSnap?: boolean; stationCode?: Station['code']; signal?: AbortSignal }) {
+  const { doSnap, stationCode, signal } = options ?? {};
+  const client = stationCode ? ndmClient : userClient;
+  const prefix = stationCode ? `/${stationCode}` : '';
+  const endpoint = `${prefix}/api/ndm/anyTenant/snapStatus`;
+  if (method === 'get') {
+    const resp = await client.get<boolean>(endpoint, { signal });
+    const data = unwrapResponse(resp);
+    return data;
+  } else {
+    const resp = await client.post<boolean>(endpoint, doSnap, { signal });
+    const data = unwrapResponse(resp);
+    return data;
+  }
+}
diff --git a/src/apis/request/biz/video/index.ts b/src/apis/request/biz/video/index.ts
index 4a25f3b..baebe86 100644
--- a/src/apis/request/biz/video/index.ts
+++ b/src/apis/request/biz/video/index.ts
@@ -3,4 +3,5 @@ export * from './ndm-camera-ignore';
 export * from './ndm-decoder';
 export * from './ndm-keyboard';
 export * from './ndm-media-server';
+export * from './ndm-snap';
 export * from './ndm-video-server';
diff --git a/src/apis/request/biz/video/ndm-snap.ts b/src/apis/request/biz/video/ndm-snap.ts
new file mode 100644
index 0000000..63ccf31
--- /dev/null
+++ b/src/apis/request/biz/video/ndm-snap.ts
@@ -0,0 +1,20 @@
+import { ndmClient, userClient, type Station } from '@/apis';
+import { unwrapResponse } from '@/utils';
+
+export async function retentionDaysApi(method: 'get', options?: { stationCode?: Station['code']; signal?: AbortSignal }): Promise<number>;
+export async function retentionDaysApi(method: 'post', options: { days: number; stationCode?: Station['code']; signal?: AbortSignal }): Promise<number>;
+export async function retentionDaysApi(method: 'get' | 'post', options?: { days?: number; stationCode?: Station['code']; signal?: AbortSignal }) {
+  const { days, stationCode, signal } = options ?? {};
+  const client = stationCode ? ndmClient : userClient;
+  const prefix = stationCode ? `/${stationCode}` : '';
+  const endpoint = `${prefix}/api/ndm/ndmSnap/retentionDays`;
+  if (method === 'get') {
+    const resp = await client.get<number>(endpoint, { signal });
+    const data = unwrapResponse(resp);
+    return data;
+  } else {
+    const resp = await client.post<number>(endpoint, days, { signal });
+    const data = unwrapResponse(resp);
+    return data;
+  }
+}
diff --git a/src/components/global/settings-drawer/settings-drawer.vue b/src/components/global/settings-drawer/settings-drawer.vue
index 2a934c5..4b6c0a6 100644
--- a/src/components/global/settings-drawer/settings-drawer.vue
+++ b/src/components/global/settings-drawer/settings-drawer.vue
@@ -1,5 +1,5 @@
 <script setup lang="ts">
-import type { LineAlarms, LineDevices, Station, VersionInfo } from '@/apis';
+import { retentionDaysApi, snapStatusApi, type LineAlarms, type LineDevices, type Station, type VersionInfo } from '@/apis';
 import { ThemeSwitch } from '@/components';
 import { NDM_ALARM_STORE_ID, NDM_DEVICE_STORE_ID, NDM_STATION_STORE_ID } from '@/constants';
 import { usePollingStore, useSettingStore } from '@/stores';
@@ -7,16 +7,13 @@ import { downloadByData, getAppEnvConfig, parseErrorFeedback, sleep } from '@/ut
 import { useMutation } from '@tanstack/vue-query';
 import { DeleteOutlined, ExportOutlined, ImportOutlined } from '@vicons/antd';
 import { useEventListener } from '@vueuse/core';
-import axios from 'axios';
+import axios, { isCancel } from 'axios';
 import destr from 'destr';
 import { isFunction } from 'es-toolkit';
 import localforage from 'localforage';
-import { NButton, NDivider, NDrawer, NDrawerContent, NDropdown, NFlex, NFormItem, NIcon, NInput, NInputNumber, NModal, NSwitch, NText, type DropdownOption } from 'naive-ui';
+import { NButton, NButtonGroup, NDivider, NDrawer, NDrawerContent, NDropdown, NFlex, NFormItem, NIcon, NInput, NInputNumber, NModal, NSwitch, NText, type DropdownOption } from 'naive-ui';
 import { storeToRefs } from 'pinia';
-import { onMounted, ref } from 'vue';
-import { useRoute } from 'vue-router';
-
-const route = useRoute();
+import { ref, watch } from 'vue';
 
 const show = defineModel<boolean>('show', { default: false });
 
@@ -40,6 +37,83 @@ const { mutate: getVersionInfo } = useMutation({
   },
 });
 
+const abortControllers = ref({
+  retentionDays: new AbortController(),
+  snapStatus: new AbortController(),
+});
+
+const retentionDays = ref(0);
+const { mutate: getRetentionDays, isPending: retentionDaysLoading } = useMutation({
+  mutationFn: async () => {
+    abortControllers.value.retentionDays.abort();
+    abortControllers.value.retentionDays = new AbortController();
+    const signal = abortControllers.value.retentionDays.signal;
+    const days = await retentionDaysApi('get', { signal });
+    return days;
+  },
+  onSuccess: (days) => {
+    retentionDays.value = days;
+  },
+  onError: (error) => {
+    if (isCancel(error)) return;
+    console.error(error);
+    const errorFeedback = parseErrorFeedback(error);
+    window.$message.error(errorFeedback);
+  },
+});
+const { mutate: saveRetentionDays, isPending: retentionDaysSaving } = useMutation({
+  mutationFn: async () => {
+    abortControllers.value.retentionDays.abort();
+    abortControllers.value.retentionDays = new AbortController();
+    const signal = abortControllers.value.retentionDays.signal;
+    await retentionDaysApi('post', { days: retentionDays.value, signal });
+  },
+  onError: (error) => {
+    if (isCancel(error)) return;
+    console.error(error);
+    const errorFeedback = parseErrorFeedback(error);
+    window.$message.error(errorFeedback);
+    // 修改失败，刷新 retentionDays
+    getRetentionDays();
+  },
+});
+
+const snapStatus = ref(false);
+const { mutate: getSnapStatus, isPending: snapStatusLoading } = useMutation({
+  mutationFn: async () => {
+    abortControllers.value.snapStatus.abort();
+    abortControllers.value.snapStatus = new AbortController();
+    const signal = abortControllers.value.snapStatus.signal;
+    const status = await snapStatusApi('get', { signal });
+    return status;
+  },
+  onSuccess: (status) => {
+    snapStatus.value = status;
+  },
+  onError: (error) => {
+    if (isCancel(error)) return;
+    console.error(error);
+    const errorFeedback = parseErrorFeedback(error);
+    window.$message.error(errorFeedback);
+  },
+});
+const { mutate: saveSnapStatus, isPending: snapStatusSaving } = useMutation({
+  mutationFn: async () => {
+    abortControllers.value.snapStatus.abort();
+    abortControllers.value.snapStatus = new AbortController();
+    const signal = abortControllers.value.snapStatus.signal;
+    await snapStatusApi('post', { doSnap: snapStatus.value, signal });
+  },
+  onError: (error) => {
+    if (isCancel(error)) return;
+    console.error(error);
+    const errorFeedback = parseErrorFeedback(error);
+    window.$message.error(errorFeedback);
+    // 修改失败，刷新 snapStatus
+    getSnapStatus();
+  },
+});
+
 const showDebugCodeModal = ref(false);
 const debugCode = ref('');
 const enableDebugMode = () => {
@@ -192,13 +266,28 @@ const onSelectDropdownOption = (key: string, option: DropdownOption) => {
   }
 };
 
-onMounted(() => {
-  getVersionInfo();
+watch([offlineDev, show], ([offline, entered]) => {
+  if (!offline) {
+    if (entered) {
+      getRetentionDays();
+      getSnapStatus();
+    } else {
+      abortControllers.value.retentionDays.abort();
+      abortControllers.value.snapStatus.abort();
+    }
+  }
 });
+const onDrawerAfterEnter = () => {
+  getVersionInfo();
+};
+const onDrawerAfterLeave = () => {
+  abortControllers.value.retentionDays.abort();
+  abortControllers.value.snapStatus.abort();
+};
 </script>
 
 <template>
-  <NDrawer v-model:show="show" :width="560" :auto-focus="false">
+  <NDrawer v-model:show="show" :width="560" :auto-focus="false" @after-enter="onDrawerAfterEnter" @after-leave="onDrawerAfterLeave">
     <NDrawerContent closable title="系统设置" :native-scrollbar="false">
       <NFlex vertical>
         <NDivider>主题</NDivider>
@@ -210,11 +299,29 @@ onMounted(() => {
         <NFormItem label="折叠菜单" label-placement="left">
           <NSwitch size="small" v-model:value="menuCollpased" />
         </NFormItem>
-        <template v-if="route.path === '/station'">
-          <NFormItem label="车站列数" label-placement="left">
-            <NInputNumber v-model:value="stationGridCols" :min="1" :max="10" />
-          </NFormItem>
-        </template>
+        <NFormItem label="车站列数" label-placement="left">
+          <NInputNumber v-model:value="stationGridCols" :min="1" :max="10" />
+        </NFormItem>
+
+        <NDivider>告警</NDivider>
+        <NFormItem label="告警画面截图保留天数" label-placement="left">
+          <NFlex justify="space-between" align="center" style="width: 100%">
+            <NInputNumber v-model:value="retentionDays" :min="1" :max="15" />
+            <NButtonGroup>
+              <NButton secondary size="small" :disabled="retentionDaysSaving" :loading="retentionDaysLoading" @click="() => getRetentionDays()">刷新</NButton>
+              <NButton secondary size="small" :disabled="retentionDaysLoading" :loading="retentionDaysSaving" @click="() => saveRetentionDays()">保存</NButton>
+            </NButtonGroup>
+          </NFlex>
+        </NFormItem>
+        <NFormItem label="自动获取告警画面截图" label-placement="left">
+          <NFlex justify="space-between" align="center" style="width: 100%">
+            <NSwitch size="small" v-model:value="snapStatus" />
+            <NButtonGroup>
+              <NButton secondary size="small" :disabled="snapStatusSaving" :loading="snapStatusLoading" @click="() => getSnapStatus()">刷新</NButton>
+              <NButton secondary size="small" :disabled="snapStatusLoading" :loading="snapStatusSaving" @click="() => saveSnapStatus()">保存</NButton>
+            </NButtonGroup>
+          </NFlex>
+        </NFormItem>
 
         <template v-if="debugModeEnabled">
           <NDivider title-placement="center">调试</NDivider>