diff --git a/src/apps/com.cto51.student.ts b/src/apps/com.cto51.student.ts
new file mode 100644
index 00000000..c396aad6
--- /dev/null
+++ b/src/apps/com.cto51.student.ts
@@ -0,0 +1,25 @@
+import { defineGkdApp } from '@gkd-kit/define';
+
+export default defineGkdApp({
+  id: 'com.cto51.student',
+  name: '51CTO',
+  groups: [
+    {
+      key: 1,
+      name: '全屏广告-弹窗广告',
+      desc: '点击关闭',
+      matchTime: 10000,
+      actionMaximum: 1,
+      resetMatch: 'app',
+      rules: [
+        {
+          fastQuery: true,
+          activityIds: '.foundation.activities.MainActivity',
+          matches: '@[vid="iv_close"] - [vid="rl_ad"][visibleToUser=true]',
+          exampleUrls: 'https://e.gkd.li/b646bfb4-0d23-483e-b03e-f827f1c4b155',
+          snapshotUrls: 'https://i.gkd.li/i/18308616',
+        },
+      ],
+    },
+  ],
+});