diff --git a/management/images/568state.bin b/management/images/568state.bin
deleted file mode 100644
index 205f2219..00000000
Binary files a/management/images/568state.bin and /dev/null differ
diff --git a/management/images/freebsd_state.bin.zst b/management/images/freebsd_state.bin.zst
deleted file mode 100644
index 0031c972..00000000
Binary files a/management/images/freebsd_state.bin.zst and /dev/null differ
diff --git a/management/images/linux4.iso b/management/images/linux4.iso
new file mode 100644
index 00000000..db2ba837
Binary files /dev/null and b/management/images/linux4.iso differ
diff --git a/management/index.html b/management/index.html
index d69ed022..a2f5de43 100644
--- a/management/index.html
+++ b/management/index.html
@@ -27,9 +27,12 @@
 			vga_bios: {
 				url: "/lib/tools/v86/bios/vgabios.bin",
 			},
-			fda: {
-				url: "/management/images/freebsd_state.bin.zst",
+			cdrom: {
+				url: "/management/images/linux4.iso",
 			},
+			// fda: {
+			// 	url: "/management/images/freebsd_state.bin.zst",
+			// },
 			// initial_state: {
 			// 	url: "/management/images/568state.bin",
 			// },
@@ -55,9 +58,8 @@
             <div class="item">
                 <h2>控制</h2>
 				<div class="child">
-					<a href="/">控制选项一</a>
+					<a href="#">控制选项一</a>
 					<a href="#">控制选项二</a>
-					<a style="cursor:pointer" onclick="javascript:history.back(-1);">控制选项三</a>
 				</div>
             </div>
 			<div class="item">
diff --git a/sitemap.xml b/sitemap.xml
index e0986159..e4f8077b 100644
--- a/sitemap.xml
+++ b/sitemap.xml
@@ -2,198 +2,198 @@
 <urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
 <url>
 <loc>https://tools.pj568.eu.org/</loc>
-<lastmod>2023-07-05T14:14:26+00:00</lastmod>
+<lastmod>2023-07-05T14:39:08+00:00</lastmod>
 </url>
 <url>
 <loc>https://tools.pj568.eu.org/404.html</loc>
-<lastmod>2023-07-05T14:14:26+00:00</lastmod>
+<lastmod>2023-07-05T14:39:08+00:00</lastmod>
 </url>
 <url>
 <loc>https://tools.pj568.eu.org/header.html</loc>
-<lastmod>2023-07-05T14:14:26+00:00</lastmod>
+<lastmod>2023-07-05T14:39:08+00:00</lastmod>
 </url>
 <url>
 <loc>https://tools.pj568.eu.org/help.html</loc>
-<lastmod>2023-07-05T14:14:26+00:00</lastmod>
+<lastmod>2023-07-05T14:39:08+00:00</lastmod>
 </url>
 <url>
 <loc>https://tools.pj568.eu.org/about/</loc>
-<lastmod>2023-07-05T14:14:26+00:00</lastmod>
+<lastmod>2023-07-05T14:39:08+00:00</lastmod>
 </url>
 <url>
 <loc>https://tools.pj568.eu.org/application/</loc>
-<lastmod>2023-07-05T14:14:26+00:00</lastmod>
+<lastmod>2023-07-05T14:39:08+00:00</lastmod>
 </url>
 <url>
 <loc>https://tools.pj568.eu.org/comment/</loc>
-<lastmod>2023-07-05T14:14:26+00:00</lastmod>
+<lastmod>2023-07-05T14:39:08+00:00</lastmod>
 </url>
 <url>
 <loc>https://tools.pj568.eu.org/incert/</loc>
-<lastmod>2023-07-05T14:14:26+00:00</lastmod>
+<lastmod>2023-07-05T14:39:08+00:00</lastmod>
 </url>
 <url>
 <loc>https://tools.pj568.eu.org/incert/defualt.html</loc>
-<lastmod>2023-07-05T14:14:26+00:00</lastmod>
+<lastmod>2023-07-05T14:39:08+00:00</lastmod>
 </url>
 <url>
 <loc>https://tools.pj568.eu.org/management/</loc>
-<lastmod>2023-07-05T14:14:26+00:00</lastmod>
+<lastmod>2023-07-05T14:39:08+00:00</lastmod>
 </url>
 <url>
 <loc>https://tools.pj568.eu.org/lib/tools/BullshitGenerator/</loc>
-<lastmod>2023-07-05T14:39:08+00:00</lastmod>
+<lastmod>2023-07-06T02:03:52+00:00</lastmod>
 </url>
 <url>
 <loc>https://tools.pj568.eu.org/lib/tools/NKeditor/</loc>
-<lastmod>2023-07-05T14:39:08+00:00</lastmod>
+<lastmod>2023-07-06T02:03:52+00:00</lastmod>
 </url>
 <url>
 <loc>https://tools.pj568.eu.org/lib/tools/NKeditor/old.html</loc>
-<lastmod>2023-07-05T14:39:08+00:00</lastmod>
+<lastmod>2023-07-06T02:03:52+00:00</lastmod>
 </url>
 <url>
 <loc>https://tools.pj568.eu.org/lib/tools/geopattern/</loc>
-<lastmod>2023-07-05T14:39:08+00:00</lastmod>
+<lastmod>2023-07-06T02:03:52+00:00</lastmod>
 </url>
 <url>
 <loc>https://tools.pj568.eu.org/lib/tools/v86/</loc>
-<lastmod>2023-07-05T14:39:08+00:00</lastmod>
+<lastmod>2023-07-06T02:03:52+00:00</lastmod>
 </url>
 <url>
 <loc>https://tools.pj568.eu.org/lib/tools/v86/debug.html</loc>
-<lastmod>2023-07-05T14:39:08+00:00</lastmod>
+<lastmod>2023-07-06T02:03:52+00:00</lastmod>
 </url>
 <url>
 <loc>https://tools.pj568.eu.org/lib/tools/图像处理/</loc>
-<lastmod>2023-07-05T14:39:08+00:00</lastmod>
+<lastmod>2023-07-06T02:03:52+00:00</lastmod>
 </url>
 <url>
 <loc>https://tools.pj568.eu.org/lib/tools/黑色全屏/</loc>
-<lastmod>2023-07-05T14:39:08+00:00</lastmod>
+<lastmod>2023-07-06T02:03:52+00:00</lastmod>
 </url>
 <url>
 <loc>https://tools.pj568.eu.org/lib/tools/NKeditor/test/</loc>
-<lastmod>2023-07-05T14:39:08+00:00</lastmod>
+<lastmod>2023-07-06T02:03:52+00:00</lastmod>
 </url>
 <url>
 <loc>https://tools.pj568.eu.org/lib/tools/NKeditor/test/ajax.html</loc>
-<lastmod>2023-07-05T14:39:08+00:00</lastmod>
+<lastmod>2023-07-06T02:03:52+00:00</lastmod>
 </url>
 <url>
 <loc>https://tools.pj568.eu.org/lib/tools/NKeditor/test/cmd.html</loc>
-<lastmod>2023-07-05T14:39:08+00:00</lastmod>
+<lastmod>2023-07-06T02:03:52+00:00</lastmod>
 </url>
 <url>
 <loc>https://tools.pj568.eu.org/lib/tools/NKeditor/test/core.html</loc>
-<lastmod>2023-07-05T14:39:08+00:00</lastmod>
+<lastmod>2023-07-06T02:03:52+00:00</lastmod>
 </url>
 <url>
 <loc>https://tools.pj568.eu.org/lib/tools/NKeditor/test/dialog.html</loc>
-<lastmod>2023-07-05T14:39:08+00:00</lastmod>
+<lastmod>2023-07-06T02:03:52+00:00</lastmod>
 </url>
 <url>
 <loc>https://tools.pj568.eu.org/lib/tools/NKeditor/test/edit.html</loc>
-<lastmod>2023-07-05T14:39:08+00:00</lastmod>
+<lastmod>2023-07-06T02:03:52+00:00</lastmod>
 </url>
 <url>
 <loc>https://tools.pj568.eu.org/lib/tools/NKeditor/test/editor.html</loc>
-<lastmod>2023-07-05T14:39:08+00:00</lastmod>
+<lastmod>2023-07-06T02:03:52+00:00</lastmod>
 </url>
 <url>
 <loc>https://tools.pj568.eu.org/lib/tools/NKeditor/test/event.html</loc>
-<lastmod>2023-07-05T14:39:08+00:00</lastmod>
+<lastmod>2023-07-06T02:03:52+00:00</lastmod>
 </url>
 <url>
 <loc>https://tools.pj568.eu.org/lib/tools/NKeditor/test/frame.html</loc>
-<lastmod>2023-07-05T14:39:08+00:00</lastmod>
+<lastmod>2023-07-06T02:03:52+00:00</lastmod>
 </url>
 <url>
 <loc>https://tools.pj568.eu.org/lib/tools/NKeditor/test/hidden.html</loc>
-<lastmod>2023-07-05T14:39:08+00:00</lastmod>
+<lastmod>2023-07-06T02:03:52+00:00</lastmod>
 </url>
 <url>
 <loc>https://tools.pj568.eu.org/lib/tools/NKeditor/test/html.html</loc>
-<lastmod>2023-07-05T14:39:08+00:00</lastmod>
+<lastmod>2023-07-06T02:03:52+00:00</lastmod>
 </url>
 <url>
 <loc>https://tools.pj568.eu.org/lib/tools/NKeditor/test/leak.html</loc>
-<lastmod>2023-07-05T14:39:08+00:00</lastmod>
+<lastmod>2023-07-06T02:03:52+00:00</lastmod>
 </url>
 <url>
 <loc>https://tools.pj568.eu.org/lib/tools/NKeditor/test/main.html</loc>
-<lastmod>2023-07-05T14:39:08+00:00</lastmod>
+<lastmod>2023-07-06T02:03:52+00:00</lastmod>
 </url>
 <url>
 <loc>https://tools.pj568.eu.org/lib/tools/NKeditor/test/menu.html</loc>
-<lastmod>2023-07-05T14:39:08+00:00</lastmod>
+<lastmod>2023-07-06T02:03:52+00:00</lastmod>
 </url>
 <url>
 <loc>https://tools.pj568.eu.org/lib/tools/NKeditor/test/navi.html</loc>
-<lastmod>2023-07-05T14:39:08+00:00</lastmod>
+<lastmod>2023-07-06T02:03:52+00:00</lastmod>
 </url>
 <url>
 <loc>https://tools.pj568.eu.org/lib/tools/NKeditor/test/node.html</loc>
-<lastmod>2023-07-05T14:39:08+00:00</lastmod>
+<lastmod>2023-07-06T02:03:52+00:00</lastmod>
 </url>
 <url>
 <loc>https://tools.pj568.eu.org/lib/tools/NKeditor/test/quirkmode.html</loc>
-<lastmod>2023-07-05T14:39:08+00:00</lastmod>
+<lastmod>2023-07-06T02:03:52+00:00</lastmod>
 </url>
 <url>
 <loc>https://tools.pj568.eu.org/lib/tools/NKeditor/test/range.html</loc>
-<lastmod>2023-07-05T14:39:08+00:00</lastmod>
+<lastmod>2023-07-06T02:03:52+00:00</lastmod>
 </url>
 <url>
 <loc>https://tools.pj568.eu.org/lib/tools/NKeditor/test/remote.html</loc>
-<lastmod>2023-07-05T14:39:08+00:00</lastmod>
+<lastmod>2023-07-06T02:03:52+00:00</lastmod>
 </url>
 <url>
 <loc>https://tools.pj568.eu.org/lib/tools/NKeditor/test/selector.html</loc>
-<lastmod>2023-07-05T14:39:08+00:00</lastmod>
+<lastmod>2023-07-06T02:03:52+00:00</lastmod>
 </url>
 <url>
 <loc>https://tools.pj568.eu.org/lib/tools/NKeditor/test/tabs.html</loc>
-<lastmod>2023-07-05T14:39:08+00:00</lastmod>
+<lastmod>2023-07-06T02:03:52+00:00</lastmod>
 </url>
 <url>
 <loc>https://tools.pj568.eu.org/lib/tools/NKeditor/test/toolbar.html</loc>
-<lastmod>2023-07-05T14:39:08+00:00</lastmod>
+<lastmod>2023-07-06T02:03:52+00:00</lastmod>
 </url>
 <url>
 <loc>https://tools.pj568.eu.org/lib/tools/NKeditor/test/total.html</loc>
-<lastmod>2023-07-05T14:39:08+00:00</lastmod>
+<lastmod>2023-07-06T02:03:52+00:00</lastmod>
 </url>
 <url>
 <loc>https://tools.pj568.eu.org/lib/tools/NKeditor/test/widget.html</loc>
-<lastmod>2023-07-05T14:39:08+00:00</lastmod>
+<lastmod>2023-07-06T02:03:52+00:00</lastmod>
 </url>
 <url>
 <loc>https://tools.pj568.eu.org/lib/tools/NKeditor/plugins/baidumap/</loc>
-<lastmod>2023-07-05T14:39:08+00:00</lastmod>
+<lastmod>2023-07-06T02:03:52+00:00</lastmod>
 </url>
 <url>
 <loc>https://tools.pj568.eu.org/lib/tools/NKeditor/plugins/baidumap/map.html</loc>
-<lastmod>2023-07-05T14:39:08+00:00</lastmod>
+<lastmod>2023-07-06T02:03:52+00:00</lastmod>
 </url>
 <url>
 <loc>https://tools.pj568.eu.org/lib/tools/NKeditor/plugins/map/map.html</loc>
-<lastmod>2023-07-05T14:39:08+00:00</lastmod>
+<lastmod>2023-07-06T02:03:52+00:00</lastmod>
 </url>
 <url>
 <loc>https://tools.pj568.eu.org/lib/tools/NKeditor/plugins/multiimage/template/template.html</loc>
-<lastmod>2023-07-05T14:39:08+00:00</lastmod>
+<lastmod>2023-07-06T02:03:52+00:00</lastmod>
 </url>
 <url>
 <loc>https://tools.pj568.eu.org/lib/tools/NKeditor/plugins/template/html/1.html</loc>
-<lastmod>2023-07-05T14:39:08+00:00</lastmod>
+<lastmod>2023-07-06T02:03:52+00:00</lastmod>
 </url>
 <url>
 <loc>https://tools.pj568.eu.org/lib/tools/NKeditor/plugins/template/html/2.html</loc>
-<lastmod>2023-07-05T14:39:08+00:00</lastmod>
+<lastmod>2023-07-06T02:03:52+00:00</lastmod>
 </url>
 <url>
 <loc>https://tools.pj568.eu.org/lib/tools/NKeditor/plugins/template/html/3.html</loc>
-<lastmod>2023-07-05T14:39:08+00:00</lastmod>
+<lastmod>2023-07-06T02:03:52+00:00</lastmod>
 </url>
 </urlset>