Update HTML files to improve language consistency and remove unused code

docs/index.html

@@ -21,7 +21,7 @@
         </a>
         <div class="menus">
             <div class="item has-sub-menu">
-                Ecosystem•生态
+                生态•Ecosystem
                 <div class="sub-menu">
                     <ul>
                         <li class="title">Plugins</li>
@@ -86,12 +86,11 @@
                     </ul>
                 </div>
             </div>
-            <a class="item" href="./document/">Document•文档</a>
-            <a class="item" href="./donate.html">Donate•捐助</a>
+            <a class="item" href="./document/">文档•Document</a>
+            <div class="item">QQ群•320881312</div>
             <a class="item" href="https://github.com/zhw2590582/ArtPlayer">Github</a>
         </div>
         <div class="tool">
-            <div class="qq">QQ群: 320881312</div>
             <div class="checkbox">
                 <input type="checkbox" id="typeScript"><label for="typeScript">TS</label>
             </div>