update setting

packages/artplayer/src/setting/playbackRate.js

@@ -1,29 +1,38 @@
-import { inverseClass, queryAll } from '../utils';
+import { inverseClass, query, queryAll } from '../utils';
 
 export default function playbackRate(art) {
     const { i18n, icons } = art;
 
+    function getI18n(value) {
+        return value === 1.0 ? i18n.get('Normal') : value;
+    }
+
     return {
         width: 150,
         html: i18n.get('Play Speed'),
+        desc: getI18n(art.playbackRate),
         icon: icons.playbackRate,
         selector: [0.5, 0.75, 1.0, 1.25, 1.5, 2.0].map((item) => {
             return {
                 value: item,
                 default: item === art.playbackRate,
-                html: item === 1.0 ? i18n.get('Normal') : item,
+                html: getI18n(item),
             };
         }),
         onSelect(item) {
             art.playbackRate = item.value;
         },
-        mounted: ($panel) => {
+        mounted: ($panel, item) => {
+            const $desc = query('.art-setting-item-right-desc', item.$item);
+            $desc.innerText = getI18n(art.playbackRate);
+
             art.on('playbackRate', (value) => {
                 const $current = queryAll('.art-setting-item', $panel).find(
                     (item) => Number(item.dataset.value) === value,
                 );
                 if ($current) {
                     inverseClass($current, 'art-current');
+                    $desc.innerText = getI18n(art.playbackRate);
                 }
             });
         },