build ok,

002_source/cms/src/app/dashboard/blank/page.tsx

@@ -0,0 +1,38 @@
+import * as React from 'react';
+import type { Metadata } from 'next';
+import Box from '@mui/material/Box';
+import Button from '@mui/material/Button';
+import Stack from '@mui/material/Stack';
+import Typography from '@mui/material/Typography';
+import { Plus as PlusIcon } from '@phosphor-icons/react/dist/ssr/Plus';
+
+import { config } from '@/config';
+
+export const metadata = { title: `Blank | Dashboard | ${config.site.name}` } satisfies Metadata;
+
+export default function Page(): React.JSX.Element {
+  return (
+    <Box
+      sx={{
+        maxWidth: 'var(--Content-maxWidth)',
+        m: 'var(--Content-margin)',
+        p: 'var(--Content-padding)',
+        width: 'var(--Content-width)',
+      }}
+    >
+      <Stack spacing={4}>
+        <Stack direction={{ xs: 'column', sm: 'row' }} spacing={3} sx={{ alignItems: 'flex-start' }}>
+          <Box sx={{ flex: '1 1 auto' }}>
+            <Typography variant="h4">Blank</Typography>
+          </Box>
+          <div>
+            <Button startIcon={<PlusIcon />} variant="contained">
+              Action
+            </Button>
+          </div>
+        </Stack>
+        <Box sx={{ border: '1px dashed var(--mui-palette-divider)', height: '300px', p: '4px' }} />
+      </Stack>
+    </Box>
+  );
+}