fix: move hotkey initialization inside option check for better control

packages/artplayer/src/hotkey.js

@@ -5,7 +5,7 @@ export default class Hotkey {
     this.art = art
     this.keys = {}
 
-    if (art.option.hotkey && !isMobile) {
+    if (!isMobile) {
       this.init()
     }
   }
@@ -13,6 +13,7 @@ export default class Hotkey {
   init() {
     const { constructor } = this.art
 
+    if (this.art.option.hotkey) {
       this.add('Escape', () => {
         if (this.art.fullscreenWeb) {
           this.art.fullscreenWeb = false
@@ -38,6 +39,7 @@ export default class Hotkey {
       this.add('ArrowDown', () => {
         this.art.volume -= constructor.VOLUME_STEP
       })
+    }
 
     this.art.on('document:keydown', (event) => {
       if (this.art.isFocus) {