chore: add og

index.md

@@ -26,6 +26,43 @@ features:
     details: 给你学习大学理应掌握的编程思维，构建合理的编程思维方式！当然，未完待续，很多内容仍在测试阶段。
   - title: 🤣what's more?
     details: 还有非常多的内容尚未更新完毕，我们期待着你的反馈和加入！
----
 
-<meta name="baidu-site-verification" content="codeva-GDehy1VQ6d" />
+head:
+  - - meta
+    - name: description
+      content: HDU计算机科学讲义
+  - - meta
+    - property: 'og:url'
+      content: https://hdu-cs.wiki/
+  - - meta
+    - property: 'og:type'
+      content: wiki
+  - - meta
+    - property: 'og:title'
+      content: HDU-CS-WIKI | HDU-CS-WIKI
+  - - meta
+    - property: 'og:description'
+      content: HDU计算机科学讲义
+  - - meta
+    - property: 'og:image'
+      content: https://cdn.xyxsw.site/og-img.png
+  - - meta
+    - name: twitter:card
+      content: summary_large_image
+  - - meta
+    - property: 'twitter:domain'
+      content: hdu-cs.wiki
+  - - meta
+    - property: 'twitter:url'
+      content: https://hdu-cs.wiki/
+  - - meta
+    - name: twitter:title
+      content: HDU-CS-WIKI | HDU-CS-WIKI
+  - - meta
+    - name: twitter:description
+      content: HDU计算机科学讲义
+  - - meta
+    - name: twitter:image
+      content: https://cdn.xyxsw.site/og-img.png
+
+---