chore: 备案

src/App.tsx

@@ -14,6 +14,7 @@ import { Icon, Theme } from './themes/interface';
 import { fishermanTheme } from './themes/fisherman';
 import { jinlunTheme } from './themes/jinlun';
 import { ikunTheme } from './themes/ikun';
+import { BeiAn } from './themes/BeiAn';
 
 // 主题
 const themes = [defaultTheme, fishermanTheme, jinlunTheme, ikunTheme];
@@ -444,6 +445,8 @@ const App: FC = () => {
                 </span>
             </p>
 
+            <BeiAn />
+
             {finished && (
                 <div className="modal">
                     <h1>{tipText}</h1>

src/themes/BeiAn.tsx

@@ -0,0 +1,15 @@
+import React, { FC } from 'react';
+
+export const BeiAn: FC = () => {
+    return (
+        <p style={{ textAlign: 'center' }}>
+            <a
+                href="https://beian.miit.gov.cn/"
+                target="_blank"
+                rel="noopener noreferrer nofollow"
+            >
+                浙ICP备17007857号-2
+            </a>
+        </p>
+    );
+};