refactor: Update Q群 link in index.html

docs/index.html

@@ -119,7 +119,7 @@
             <a class="item" href="./document/">Document</a>
             <a class="item" href="https://github.com/zhw2590582/ArtPlayer">Github</a>
             <a class="item" href="./sponsor.html">☕ 捐助/Sponsor</a>
-            <span class="item" href="#">Q群: 320881312（可接定制）</span>
+            <span class="item" href="#">Q群: 320881312</span>
         </div>
         <div class="tool">
             <div class="checkbox">