diff --git a/apps/web-antd/src/api/aiot/alarm/index.ts b/apps/web-antd/src/api/aiot/alarm/index.ts
index 0c32d7ddb..a90a19f12 100644
--- a/apps/web-antd/src/api/aiot/alarm/index.ts
+++ b/apps/web-antd/src/api/aiot/alarm/index.ts
@@ -1,11 +1,12 @@
 import type { PageParam, PageResult } from '@vben/request';
 
-import { requestClient } from '#/api/request';
+import { wvpRequestClient } from '#/api/aiot/request';
 
 export namespace AiotAlarmApi {
   /** AI 告警 VO */
   export interface Alert {
     id?: number | string;
+    alertId?: string;
     alarmId?: string;
     alertNo?: string;
     cameraId?: string;
@@ -23,6 +24,7 @@ export namespace AiotAlarmApi {
     triggerTime?: string;
     message?: string;
     bbox?: string;
+    imagePath?: string;
     snapshotUrl?: string;
     ossUrl?: string;
     status?: string;
@@ -34,9 +36,11 @@ export namespace AiotAlarmApi {
     lastFrameTime?: string;
     workOrderId?: number;
     aiAnalysis?: Record<string, any>;
+    receivedAt?: string;
     createdAt?: string;
     updatedAt?: string;
     logInfo?: AlertLogInfo;
+    extraData?: string;
   }
 
   /** 告警日志信息 */
@@ -74,20 +78,20 @@ export namespace AiotAlarmApi {
   }
 }
 
-// ==================== 告警管理 API ====================
+// ==================== 告警管理 API（WVP 后端）====================
 
 /** 分页查询告警列表 */
 export function getAlertPage(params: PageParam) {
-  return requestClient.get<PageResult<AiotAlarmApi.Alert>>(
-    '/aiot/alarm/alert/page',
-    { params },
+  return wvpRequestClient.get<PageResult<AiotAlarmApi.Alert>>(
+    '/aiot/device/alert/list',
+    { params: { page: params.pageNo, count: params.pageSize, ...params } },
   );
 }
 
 /** 获取告警详情 */
 export function getAlert(id: number | string) {
-  return requestClient.get<AiotAlarmApi.Alert>(
-    `/aiot/alarm/alert/get?id=${id}`,
+  return wvpRequestClient.get<AiotAlarmApi.Alert>(
+    `/aiot/device/alert/${id}`,
   );
 }
 
@@ -97,20 +101,22 @@ export function handleAlert(
   status: string,
   remark?: string,
 ) {
-  return requestClient.put('/aiot/alarm/alert/handle', null, {
+  return wvpRequestClient.put('/aiot/device/alert/handle', null, {
     params: { id, status, remark },
   });
 }
 
 /** 删除告警 */
 export function deleteAlert(id: number | string) {
-  return requestClient.delete(`/aiot/alarm/alert/delete?id=${id}`);
+  return wvpRequestClient.delete('/aiot/device/alert/delete', {
+    params: { alertId: id },
+  });
 }
 
 /** 获取告警统计 */
 export function getAlertStatistics(startTime?: string, endTime?: string) {
-  return requestClient.get<AiotAlarmApi.AlertStatistics>(
-    '/aiot/alarm/alert/statistics',
+  return wvpRequestClient.get<AiotAlarmApi.AlertStatistics>(
+    '/aiot/device/alert/statistics',
     { params: { startTime, endTime } },
   );
 }
@@ -119,8 +125,8 @@ export function getAlertStatistics(startTime?: string, endTime?: string) {
 
 /** 以摄像头维度获取告警汇总 */
 export function getCameraAlertSummary(params: PageParam) {
-  return requestClient.get<PageResult<AiotAlarmApi.CameraAlertSummary>>(
-    '/aiot/alarm/device-summary/page',
+  return wvpRequestClient.get<PageResult<AiotAlarmApi.CameraAlertSummary>>(
+    '/aiot/device/alert/statistics',
     { params },
   );
 }
diff --git a/apps/web-antd/src/api/aiot/device/index.ts b/apps/web-antd/src/api/aiot/device/index.ts
index b25fcd0a0..10553bbe0 100644
--- a/apps/web-antd/src/api/aiot/device/index.ts
+++ b/apps/web-antd/src/api/aiot/device/index.ts
@@ -188,16 +188,28 @@ export function deleteRoi(roiId: string) {
 
 /**
  * 获取摄像头截图 URL
- * 截图接口需要认证，通过 query param 传递 access-token
+ *
+ * 非 force 模式：直接返回 /snap/image 代理 URL（从 DB 读取持久化截图，不触发 Edge）
+ * force 模式：先触发 Edge 截新图（更新 DB），再返回代理 URL
  */
 export async function getSnapUrl(cameraCode: string, force = false): Promise<string> {
   const token = await getWvpToken();
+  if (force) {
+    // force 时先触发一次截图请求（确保 Edge 截新图并更新 DB）
+    try {
+      await wvpRequestClient.get('/aiot/device/roi/snap', {
+        params: { cameraCode, force: true },
+      });
+    } catch {
+      /* 截图请求可能超时，但 DB 会被更新 */
+    }
+  }
+  // 返回代理 URL（WVP 从 DB 读 cos_key → 生成 presigned URL → 下载返回）
   return (
-    `${apiURL}/aiot/device/roi/snap` +
+    `${apiURL}/aiot/device/roi/snap/image` +
     `?cameraCode=${encodeURIComponent(cameraCode)}` +
-    `&force=${force}` +
     `&access-token=${encodeURIComponent(token)}` +
-    `&t=${Date.now()}`
+    (force ? `&t=${Date.now()}` : '')
   );
 }
 
@@ -256,3 +268,19 @@ export function exportConfig(cameraId: string) {
     { params: { cameraId } },
   );
 }
+
+// ==================== 告警图片代理 ====================
+
+/**
+ * 构造告警图片代理 URL（通过 WVP 下载 COS 图片后返回字节流）
+ * @param imagePath COS 对象路径或完整 URL
+ */
+export async function getAlertImageUrl(imagePath: string): Promise<string> {
+  if (!imagePath) return '';
+  const token = await getWvpToken();
+  return (
+    `${apiURL}/aiot/device/alert/image` +
+    `?imagePath=${encodeURIComponent(imagePath)}` +
+    `&access-token=${encodeURIComponent(token)}`
+  );
+}
diff --git a/apps/web-antd/src/views/aiot/alarm/list/index.vue b/apps/web-antd/src/views/aiot/alarm/list/index.vue
index 13dfb88c7..09874d144 100644
--- a/apps/web-antd/src/views/aiot/alarm/list/index.vue
+++ b/apps/web-antd/src/views/aiot/alarm/list/index.vue
@@ -2,7 +2,7 @@
 import type { VxeTableGridOptions } from '#/adapter/vxe-table';
 import type { AiotAlarmApi } from '#/api/aiot/alarm';
 
-import { h, ref } from 'vue';
+import { h, onMounted, ref } from 'vue';
 
 import { Page } from '@vben/common-ui';
 
@@ -10,6 +10,7 @@ import { Button, Image, message, Modal, Tag } from 'ant-design-vue';
 
 import { ACTION_ICON, TableAction, useVbenVxeGrid } from '#/adapter/vxe-table';
 import { getAlert, getAlertPage, handleAlert } from '#/api/aiot/alarm';
+import { getAlertImageUrl } from '#/api/aiot/device';
 
 import {
   ALERT_LEVEL_OPTIONS,
@@ -21,6 +22,21 @@ import {
 
 defineOptions({ name: 'AiotAlarmList' });
 
+/** 告警图片 URL 缓存（imagePath → 代理 URL） */
+const imageUrlCache = ref<Record<string, string>>({});
+
+/** 获取告警图片代理 URL（异步构造后缓存） */
+function getImageProxyUrl(row: AiotAlarmApi.Alert): string {
+  const imagePath = row.imagePath || row.ossUrl || row.snapshotUrl;
+  if (!imagePath) return '';
+  if (imageUrlCache.value[imagePath]) return imageUrlCache.value[imagePath]!;
+  // 异步构造并缓存
+  getAlertImageUrl(imagePath).then((url) => {
+    imageUrlCache.value[imagePath] = url;
+  });
+  return '';
+}
+
 /** 格式化持续时长（毫秒 → 可读文本） */
 function formatDuration(ms: number | null | undefined): string {
   // 当 duration_ms 为 null 时，说明告警仍在进行中
@@ -247,11 +263,11 @@ const [Grid, gridApi] = useVbenVxeGrid({
       <!-- 截图缩略图列 -->
       <template #snapshot="{ row }">
         <Image
-          v-if="row.snapshotUrl || row.ossUrl"
-          :src="row.ossUrl || row.snapshotUrl"
+          v-if="getImageProxyUrl(row)"
+          :src="getImageProxyUrl(row)"
           :width="40"
           :height="40"
-          :preview="{ src: row.ossUrl || row.snapshotUrl }"
+          :preview="{ src: getImageProxyUrl(row) }"
           :fallback="`data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='40' height='40'><rect width='40' height='40' fill='%23f0f0f0'/><text x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23bbb' font-size='12'>-</text></svg>`"
           style="object-fit: cover; border-radius: 4px; cursor: pointer"
         />
@@ -350,26 +366,16 @@ const [Grid, gridApi] = useVbenVxeGrid({
         </div>
 
         <!-- 告警截图 -->
-        <div v-if="currentAlert.ossUrl || currentAlert.snapshotUrl">
+        <div v-if="getImageProxyUrl(currentAlert)">
           <span class="text-gray-500">告警截图：</span>
           <div class="mt-2">
             <Image
-              :src="currentAlert.ossUrl || currentAlert.snapshotUrl"
+              :src="getImageProxyUrl(currentAlert)"
               :width="300"
-              :preview="{ src: currentAlert.ossUrl || currentAlert.snapshotUrl }"
+              :preview="{ src: getImageProxyUrl(currentAlert) }"
               :fallback="`data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='300' height='200'><rect width='300' height='200' fill='%23f5f5f5'/><text x='50%25' y='50%25' dominant-baseline='middle' text-anchor='middle' fill='%23bbb' font-size='14'>图片加载失败</text></svg>`"
             />
           </div>
-          <div class="mt-1">
-            <a
-              :href="currentAlert.ossUrl || currentAlert.snapshotUrl"
-              target="_blank"
-              rel="noopener noreferrer"
-              class="text-blue-500 text-xs hover:underline"
-            >
-              {{ currentAlert.ossUrl || currentAlert.snapshotUrl }}
-            </a>
-          </div>
         </div>
 
         <!-- 检测区域 -->
diff --git a/apps/web-antd/src/views/aiot/device/roi/components/RoiCanvas.vue b/apps/web-antd/src/views/aiot/device/roi/components/RoiCanvas.vue
index d4080fee1..f32621952 100644
--- a/apps/web-antd/src/views/aiot/device/roi/components/RoiCanvas.vue
+++ b/apps/web-antd/src/views/aiot/device/roi/components/RoiCanvas.vue
@@ -47,17 +47,32 @@ watch(() => props.drawMode, () => {
 watch(() => props.snapUrl, () => {
   loading.value = true;
   errorMsg.value = '';
+  nextTick(() => initCanvas());
 });
 
+let resizeObserver: ResizeObserver | null = null;
+
 onMounted(() => {
   nextTick(() => {
     initCanvas();
+    if (wrapper.value && typeof ResizeObserver !== 'undefined') {
+      resizeObserver = new ResizeObserver(() => {
+        if (wrapper.value && wrapper.value.clientWidth > 0) {
+          initCanvas();
+        }
+      });
+      resizeObserver.observe(wrapper.value);
+    }
     window.addEventListener('resize', handleResize);
   });
 });
 
 onUnmounted(() => {
   window.removeEventListener('resize', handleResize);
+  if (resizeObserver) {
+    resizeObserver.disconnect();
+    resizeObserver = null;
+  }
 });
 
 function onImageLoad() {
@@ -68,6 +83,8 @@ function onImageLoad() {
 function onImageError() {
   loading.value = false;
   errorMsg.value = '截图加载失败，请确认摄像头正在拉流';
+  // 关键：截图失败也初始化 canvas，使 ROI 区域可见可操作
+  nextTick(() => initCanvas());
 }
 
 function initCanvas() {