diff --git a/web/admin/public/empty.png b/web/admin/public/empty.png
new file mode 100644
index 0000000..bc81ca1
Binary files /dev/null and b/web/admin/public/empty.png differ
diff --git a/web/admin/src/components/TableEmpty.vue b/web/admin/src/components/TableEmpty.vue
index 8e65c18..ea3a36d 100644
--- a/web/admin/src/components/TableEmpty.vue
+++ b/web/admin/src/components/TableEmpty.vue
@@ -26,7 +26,7 @@ withDefaults(
 <template>
   <div class="table-empty">
     <img
-      src="/empty-state.svg"
+      src="/empty.png"
       alt=""
       aria-hidden="true"
       class="table-empty__illustration"
@@ -50,7 +50,8 @@ withDefaults(
 }
 
 .table-empty__illustration {
-  width: 136px;
+  /* empty.png 为 3:2 横版，比旧正方形 SVG 稍加宽以保持视觉量感 */
+  width: 160px;
   max-width: 46vw;
   height: auto;
   margin-bottom: 16px;
diff --git a/web/admin/src/views/monitor/ModelPerformancePage.vue b/web/admin/src/views/monitor/ModelPerformancePage.vue
index 594f072..5c0c79f 100644
--- a/web/admin/src/views/monitor/ModelPerformancePage.vue
+++ b/web/admin/src/views/monitor/ModelPerformancePage.vue
@@ -6,6 +6,7 @@ import type { TableColumnData } from '@arco-design/web-vue'
 import PageHeader from '@/components/PageHeader.vue'
 import TableStats from '@/components/TableStats.vue'
 import ResponsiveTable from '@/components/ResponsiveTable.vue'
+import TableEmpty from '@/components/TableEmpty.vue'
 import request from '@/utils/request'
 
 const loading = ref(false)
@@ -627,7 +628,7 @@ function renderChannelMatrix(record: any) {
         @expand="handleTableExpand"
       >
         <template #empty>
-          <a-empty description="所选区间暂无模型性能数据" />
+          <TableEmpty description="所选区间暂无模型性能数据" />
         </template>
       </ResponsiveTable>
       <div class="table-footer">