diff --git a/config.yaml b/config.yaml
index 62c0634..0538059 100644
--- a/config.yaml
+++ b/config.yaml
@@ -2,6 +2,7 @@ folder:
   operator: ./operator/
   release: ./release/
   background: background
+  voice: voice
   directory: _assets
   share: _share
 operators:
diff --git a/src/components/settings.js b/src/components/settings.js
index 277257c..f01499b 100644
--- a/src/components/settings.js
+++ b/src/components/settings.js
@@ -278,7 +278,7 @@ export default class Settings {
         </div>
         <div>
           <label for="operator_logo">Operator Logo</label>
-          <input type="checkbox" id="operator_logo" name="operator_logo" checked data-checked="true"/>
+          <input type="checkbox" id="operator_logo" name="operator_logo" checked/>
           <div id="operator_logo_realted">
             <div>
               <label for="logo_image">Logo Image (Store Locally)</label>
@@ -311,9 +311,7 @@ export default class Settings {
           <div>
             <label for="default_background_select">Choose a default background:</label>
             <select name="default_backgrounds" id="default_background_select">
-                ${JSON.parse(import.meta.env.VITE_BACKGROUND_FILES).map((b) => {
-                  return `<option value="${b}">${b}</option>`
-                })}
+                ${this.#updateOptions(null, JSON.parse(import.meta.env.VITE_BACKGROUND_FILES))}
             </select>
           </div>
           <div>
@@ -322,6 +320,42 @@ export default class Settings {
             <button type="button" disabled id="custom_background_clear" disabled>Clear</button>
           </div>
         </div>
+        <div>
+          <label for="voice">Voice</label>
+          <input type="checkbox" id="voice" name="voice" checked/>
+          <div id="voice_realted">
+            <div>
+              <label for="voice_lang_select">Choose the language of voice:</label>
+              <select name="voice_lang" id="voice_lang_select">
+                ${this.#updateOptions("voice_lang_select", window.voice.languages)}
+              </select>
+            </div>
+            <div>
+              <label for="voice_idle_duration">Idle Duration (min)</label>
+              <input type="number" id="voice_idle_duration_input" min="0" name="voice_idle_duration" value="${window.voice.idleDuration}" />
+            </div>
+            <div>
+              <label for="voice_next_duration">Next Duration (min)</label>
+              <input type="number" id="voice_next_duration_input" name="voice_next_duration" value="${window.voice.nextDuration}" />
+            </div>
+          </div>
+        </div>
+        <div>
+          <label for="subtitle">Subtitle</label>
+          <input type="checkbox" id="subtitle" name="subtitle" checked/>
+          <div id="subtitle_realted">
+            <div>
+              <label for="subtitle_lang_select">Choose the language of subtitle:</label>
+              <select name="subtitle_lang" id="subtitle_lang_select">
+                ${this.#updateOptions("subtitle_lang_select", window.voice.subtitleLanguages)}
+              </select>
+            </div>
+          </div>
+        </div>
+        <div>
+          <label for="voice_actor">Voice Actor</label>
+          <input type="checkbox" id="voice_actor" name="voice_actor" checked/>
+        </div>
         <div>
           <label for="position">Position</label>
           <input type="checkbox" id="position" name="position" />
@@ -372,123 +406,182 @@ export default class Settings {
     }
   };
 
+  #updateOptions(id, array) {
+    const e = document.getElementById(id);
+    const value = array.map(item => `<option value="${item}">${item}</option>`)
+    if (e) {
+      e.innerHTML = value.join("");
+    }
+    return value
+  }
+
   #addEventListeners() {
     const _this = this;
+    const listeners = [
+      {
+        id: "fps_slider", event: "change", handler: e => {
+          _this.#sync(e.currentTarget, "fps_input");
+          _this.setFPS(e.currentTarget.value);
+        }
+      }, {
+        id: "fps_slider", event: "input", handler: e => {
+          _this.#sync(e.currentTarget, "fps_input");
+        }
+      }, {
+        id: "fps_input", event: "change", handler: e => {
+          _this.#sync(e.currentTarget, "fps_slider");
+          _this.setFPS(e.currentTarget.value);
+        }
+      }, {
+        id: "operator_logo", event: "click", handler: e => {
+          _this.#showRelated(e.currentTarget, "operator_logo_realted");
+          _this.setLogoDisplay(!e.currentTarget.checked)
+        }
+      }, {
+        id: "logo_image", event: "change", handler: e => _this.setLogoImage(e)
+      }, {
+        id: "logo_image_clear", event: "click", handler: e => _this.resetLogoImage()
+      }, {
+        id: "logo_ratio_slider", event: "input", handler: e => {
+          _this.#sync(e.currentTarget, "logo_ratio_input");
+          _this.setLogoRatio(e.currentTarget.value);
+        }
+      }, {
+        id: "logo_ratio_input", event: "change", handler: e => {
+          _this.#sync(e.currentTarget, "logo_ratio_slider");
+          _this.setLogoRatio(e.currentTarget.value);
+        }
+      }, {
+        id: "logo_opacity_slider", event: "input", handler: e => {
+          _this.#sync(e.currentTarget, "logo_opacity_input");
+          _this.setLogoOpacity(e.currentTarget.value);
+        }
+      }, {
+        id: "logo_opacity_input", event: "change", handler: e => {
+          _this.#sync(e.currentTarget, "logo_opacity_slider");
+          _this.setLogoOpacity(e.currentTarget.value);
+        }
+      }, {
+        id: "logo_padding_x_slider", event: "input", handler: e => {
+          _this.#sync(e.currentTarget, "logo_padding_x_input");
+          _this.logoPadding("x", e.currentTarget.value);
+        }
+      }, {
+        id: "logo_padding_x_input", event: "change", handler: e => {
+          _this.#sync(e.currentTarget, "logo_padding_x_slider");
+          _this.logoPadding("x", e.currentTarget.value);
+        }
+      }, {
+        id: "logo_padding_y_slider", event: "input", handler: e => {
+          _this.#sync(e.currentTarget, "logo_padding_y_input");
+          _this.logoPadding("y", e.currentTarget.value);
+        }
+      }, {
+        id: "logo_padding_y_input", event: "change", handler: e => {
+          _this.#sync(e.currentTarget, "logo_padding_y_slider");
+          _this.logoPadding("y", e.currentTarget.value);
+        }
+      }, {
+        id: "default_background_select", event: "change", handler: e => _this.setDefaultBackground(e.currentTarget.value)
+      }, {
+        id: "custom_background", event: "change", handler: e => _this.setBackground(e)
+      }, {
+        id: "custom_background_clear", event: "click", handler: e => _this.resetBackground()
+      }, {
+        id: "voice", event: "click", handler: e => {
+          _this.#showRelated(e.currentTarget, "voice_realted");
+          window.voice.useVoice = e.currentTarget.checked;
+        }
+      }, {
+        id: "voice_lang_select", event: "change", handler: e => {
+          window.voice.language = e.currentTarget.value
+          _this.#updateOptions("subtitle_lang_select", window.voice.subtitleLanguages)
+        }
+      }, {
+        id: "voice_idle_duration_input", event: "change", handler: e => {
+          window.voice.idleDuration = parseInt(e.currentTarget.value)
+        }
+      }, {
+        id: "voice_next_duration_input", event: "change", handler: e => {
+          window.voice.nextDuration = parseInt(e.currentTarget.value)
+        }
+      }, {
+        id: "subtitle", event: "click", handler: e => {
+          _this.#showRelated(e.currentTarget, "subtitle_realted");
+          window.voice.useSubtitle = e.currentTarget.checked;
+        }
+      }, {
+        id: "subtitle_lang_select", event: "change", handler: e => window.voice.subtitleLanguage = e.currentTarget.value
+      }, {
+        id: "voice_actor", event: "click", handler: e => {
+          window.voice.useVoiceActor = e.currentTarget.checked;
+        }
+      }, {
+        id: "position", event: "click", handler: e => {
+          _this.#showRelated(e.currentTarget, "position_realted");
+          if (!e.currentTarget.checked) _this.positionReset();
+        }
+      }, {
+        id: "position_padding_left_slider", event: "input", handler: e => {
+          _this.#sync(e.currentTarget, "position_padding_left_input");
+          _this.positionPadding("left", e.currentTarget.value);
+        }
+      }, {
+        id: "position_padding_left_input", event: "change", handler: e => {
+          _this.#sync(e.currentTarget, "position_padding_left_slider");
+          _this.positionPadding("left", e.currentTarget.value);
+        }
+      }, {
+        id: "position_padding_right_slider", event: "input", handler: e => {
+          _this.#sync(e.currentTarget, "position_padding_right_input");
+          _this.positionPadding("right", e.currentTarget.value);
+        }
+      }, {
+        id: "position_padding_right_input", event: "change", handler: e => {
+          _this.#sync(e.currentTarget, "position_padding_right_slider");
+          _this.positionPadding("right", e.currentTarget.value);
+        }
+      }, {
+        id: "position_padding_top_slider", event: "input", handler: e => {
+          _this.#sync(e.currentTarget, "position_padding_top_input");
+          _this.positionPadding("top", e.currentTarget.value);
+        }
+      }, {
+        id: "position_padding_top_input", event: "change", handler: e => {
+          _this.#sync(e.currentTarget, "position_padding_top_slider");
+          _this.positionPadding("top", e.currentTarget.value);
+        }
+      }, {
+        id: "position_padding_bottom_slider", event: "input", handler: e => {
+          _this.#sync(e.currentTarget, "position_padding_bottom_input");
+          _this.positionPadding("bottom", e.currentTarget.value);
+        }
+      }, {
+        id: "position_padding_bottom_input", event: "change", handler: e => {
+          _this.#sync(e.currentTarget, "position_padding_bottom_slider");
+          _this.positionPadding("bottom", e.currentTarget.value);
+        }
+      }, {
+        id: "settings_play", event: "click", handler: e => {
+          this.spinePlayer.play();
+          e.currentTarget.disabled = true;
+          document.getElementById("settings_pause").disabled = false;
+        }
+      }, {
+        id: "settings_pause", event: "click", handler: e => {
+          this.spinePlayer.pause();
+          e.currentTarget.disabled = true;
+          document.getElementById("settings_play").disabled = false;
+        }
+      }, {
+        id: "settings_reset", event: "click", handler: e => _this.reset()
+      }, {
+        id: "settings_close", event: "click", handler: e => _this.close()
+      },
+    ]
 
-    document.getElementById("fps_slider").addEventListener("change", e => {
-      _this.#sync(e.currentTarget, "fps_input");
-      _this.setFPS(e.currentTarget.value);
-    })
-    document.getElementById("fps_input").addEventListener("change", e => {
-      _this.#sync(e.currentTarget, "fps_slider");
-      _this.setFPS(e.currentTarget.value);
-    })
-
-    document.getElementById("operator_logo").addEventListener("click", e => {
-      _this.#showRelated(e.currentTarget, "operator_logo_realted");
-      _this.setLogoDisplay(!e.currentTarget.checked)
-    })
-
-    document.getElementById("logo_image").addEventListener("change", e => _this.setLogoImage(e))
-    document.getElementById("logo_image_clear").addEventListener("click", e => this.resetLogoImage())
-
-    document.getElementById("logo_ratio_slider").addEventListener("input", e => {
-      _this.#sync(e.currentTarget, "logo_ratio_input");
-      _this.setLogoRatio(e.currentTarget.value);
-    })
-    document.getElementById("logo_ratio_input").addEventListener("change", e => {
-      _this.#sync(e.currentTarget, "logo_ratio_slider");
-      _this.setLogoRatio(e.currentTarget.value);
-    })
-
-    document.getElementById("logo_opacity_slider").addEventListener("input", e => {
-      _this.#sync(e.currentTarget, "logo_opacity_input");
-      _this.setLogoOpacity(e.currentTarget.value);
-    })
-    document.getElementById("logo_opacity_input").addEventListener("change", e => {
-      _this.#sync(e.currentTarget, "logo_opacity_slider");
-      _this.setLogoOpacity(e.currentTarget.value);
-    })
-
-    document.getElementById("logo_padding_x_slider").addEventListener("input", e => {
-      _this.#sync(e.currentTarget, "logo_padding_x_input");
-      _this.logoPadding("x", e.currentTarget.value);
-    })
-    document.getElementById("logo_padding_x_input").addEventListener("change", e => {
-      _this.#sync(e.currentTarget, "logo_padding_x_slider");
-      _this.logoPadding("x", e.currentTarget.value);
-    })
-
-    document.getElementById("logo_padding_y_slider").addEventListener("input", e => {
-      _this.#sync(e.currentTarget, "logo_padding_y_input");
-      _this.logoPadding("y", e.currentTarget.value);
-    })
-    document.getElementById("logo_padding_y_input").addEventListener("change", e => {
-      _this.#sync(e.currentTarget, "logo_padding_y_slider");
-      _this.logoPadding("y", e.currentTarget.value);
-    })
-
-    document.getElementById('default_background_select').addEventListener("change", e => _this.setDefaultBackground(e.currentTarget.value))
-
-    document.getElementById("custom_background").addEventListener("change", e => _this.setBackground(e))
-    document.getElementById("custom_background_clear").addEventListener("click", e => _this.resetBackground())
-
-    document.getElementById("position").addEventListener("click", e => {
-      _this.#showRelated(e.currentTarget, "position_realted");
-      if (!e.currentTarget.checked) _this.positionReset();
-    })
-
-    document.getElementById("position_padding_left_slider").addEventListener("input", e => {
-      _this.#sync(e.currentTarget, "position_padding_left_input");
-      _this.positionPadding("left", e.currentTarget.value);
-    })
-    document.getElementById("position_padding_left_input").addEventListener("change", e => {
-      _this.#sync(e.currentTarget, "position_padding_left_slider");
-      _this.positionPadding("left", e.currentTarget.value);
-    })
-
-    document.getElementById("position_padding_right_slider").addEventListener("input", e => {
-      _this.#sync(e.currentTarget, "position_padding_right_input");
-      _this.positionPadding("right", e.currentTarget.value);
-    })
-    document.getElementById("position_padding_right_input").addEventListener("change", e => {
-      _this.#sync(e.currentTarget, "position_padding_right_slider");
-      _this.positionPadding("right", e.currentTarget.value);
-    })
-
-    document.getElementById("position_padding_top_slider").addEventListener("input", e => {
-      _this.#sync(e.currentTarget, "position_padding_top_input");
-      _this.positionPadding("top", e.currentTarget.value);
-    })
-    document.getElementById("position_padding_top_input").addEventListener("change", e => {
-      _this.#sync(e.currentTarget, "position_padding_top_slider");
-      _this.positionPadding("top", e.currentTarget.value);
-    })
-
-    document.getElementById("position_padding_bottom_slider").addEventListener("input", e => {
-      _this.#sync(e.currentTarget, "position_padding_bottom_input");
-      _this.positionPadding("bottom", e.currentTarget.value);
-    })
-    document.getElementById("position_padding_bottom_input").addEventListener("change", e => {
-      _this.#sync(e.currentTarget, "position_padding_bottom_slider");
-      _this.positionPadding("bottom", e.currentTarget.value);
-    })
-
-    document.getElementById("settings_play").addEventListener("click", e => {
-      this.spinePlayer.play();
-      e.currentTarget.disabled = true;
-      document.getElementById("settings_pause").disabled = false;
-    })
-    document.getElementById("settings_pause").addEventListener("click", e => {
-      this.spinePlayer.pause();
-      e.currentTarget.disabled = true;
-      document.getElementById("settings_play").disabled = false;
-    })
-    document.getElementById("settings_reset").addEventListener("click", e => {
-      _this.reset();
-    })
-    document.getElementById("settings_close").addEventListener("click", e => {
-      _this.close();
+    listeners.forEach(listener => {
+      document.getElementById(listener.id).addEventListener(listener.event, e => listener.handler(e))
     })
   }
 }
\ No newline at end of file
diff --git a/src/components/voice.js b/src/components/voice.js
index 91460fd..1a0a9a1 100644
--- a/src/components/voice.js
+++ b/src/components/voice.js
@@ -1,6 +1,254 @@
 import charword_table from '!/charword_table.json'
 import '@/components/voice.css'
 
-export default function Voice() {
-   
+export default class Voice {
+    #el
+    #defaultVoiceLang = "JP"
+    #defaultRegion = charword_table.config.default_region
+    #defaultIdleDuration = 10 * 60 * 1000
+    #defaultNextDuration = 3 * 60 * 1000
+    #voiceLang = this.#defaultVoiceLang
+    #subtitleLang = this.#defaultRegion
+    #useSubtitle = false
+    #useVoice = false
+    #useVoiceActor = false
+    #currentVoiceId = null
+    #lastVoiceId = null
+    #idleListener = -1
+    #idleDuration = this.#defaultIdleDuration
+    #nextListener = -1
+    #nextDuration = this.#defaultNextDuration
+    #lastClickToNext = false
+    
+    constructor(el) {
+        this.#el = el
+    }
+
+    init() {
+        this.#playTitleVoice()
+    }
+
+    success() {
+        this.#playEntryVoice()
+        this.#initNextVoiceTimer()
+        document.addEventListener('click', e => {
+            this.#lastClickToNext = true
+            this.#nextVoice()
+        })
+        document.addEventListener('mousemove', e => {
+            if (this.#idleListener === -1) {
+                this.#initIdleVoiceTimer()
+            }
+        })
+    }
+
+    /**
+     * @param {boolean} show
+     */
+    set useSubtitle(show) {
+        this.#useSubtitle = show
+    }
+
+    /**
+     * @param {boolean} show
+     */
+    set useVoice(show) {
+        this.#useVoice = show
+    }
+
+    /**
+     * @param {boolean} show
+     */
+    set useVoiceActor(show) {
+        this.#useVoiceActor = show
+    }
+
+    /**
+     * @param {string} lang
+     */
+    set subtitleLanguage(lang) {
+        if (this.#getSubtitleLanguages().includes(lang)) {
+            this.#subtitleLang = lang
+        } else {
+            this.#subtitleLang = this.#defaultRegion
+        }
+    }
+
+    get subtitleLanguage() {
+        return this.#subtitleLang
+    }
+
+    get subtitleLanguages() {
+        return this.#getSubtitleLanguages()
+    }
+
+    /**
+     * @param {string} lang
+     */
+    set language(lang) {
+        if (this.#getVoiceLanguages().includes(lang)) {
+            this.#voiceLang = lang
+        } else {
+            this.#voiceLang = this.#defaultVoiceLang
+        }
+        const availableSubtitleLang = this.#getSubtitleLanguages()
+        if (!availableSubtitleLang.includes(this.#subtitleLang)) {
+            this.#subtitleLang = availableSubtitleLang[0]
+        }
+    }
+
+    get language() {
+        return this.#voiceLang
+    }
+
+    get languages() {
+        return this.#getVoiceLanguages()
+    }
+
+    /**
+     * @param {int} duration 
+     */
+    set idleDuration(duration) {
+        clearInterval(this.#idleListener)
+        if (duration !== 0) {
+            this.#idleDuration = duration * 60 * 1000
+            this.#initIdleVoiceTimer()
+        }
+    }
+
+    get idleDuration() {
+        return this.#idleDuration / 60 / 1000
+    }
+
+    /**
+     * @param {int} duration 
+     */
+    set nextDuration(duration) {
+        clearInterval(this.#nextListener)
+        if (duration !== 0) {
+            this.#nextDuration = duration * 1000
+            this.#initNextVoiceTimer()
+        }
+    }
+
+    get nextDuration() {
+        return this.#nextDuration / 60 / 1000
+    }
+
+    #playTitleVoice() {
+        this.#playSpecialVoice("标题")
+    }
+
+    #initIdleVoiceTimer() {
+        this.#idleListener = setInterval(() => {
+            this.#playSpecialVoice("闲置")
+            clearInterval(this.#idleListener)
+            this.#idleListener = -1
+        }, this.#idleDuration) 
+    }
+
+    #initNextVoiceTimer() {
+        this.#nextListener = setInterval(() => {
+            if (!this.#lastClickToNext) {
+                this.#nextVoice()
+            }
+        }, this.#nextDuration)
+    }
+
+    #nextVoice() {
+        this.#playVoice("CN_001")
+    }
+
+    #playEntryVoice() {
+        this.#playSpecialVoice("问候")
+    }
+
+    #setCurrentSubtitle(id) {
+        console.log(id, this.#getSubtitleById(id))
+    }
+
+    #playVoice(id) {
+        this.#currentVoiceId = id
+        const audio = new Audio()
+        // audio.src = `https://cdn.jsdelivr.net/gh/Arondight/Adachi-BOT@master/src/assets/voice/${id}.mp3`
+        audio.play()
+        audio.addEventListener('ended', () => {
+            this.#lastVoiceId = this.#currentVoiceId
+            this.#currentVoiceId = null
+            this.#setCurrentSubtitle(null)
+            this.#lastClickToNext = false
+        })
+        this.#setCurrentSubtitle(id)
+    }
+
+    #playSpecialVoice(matcher) {
+        const voiceId = this.#getSpecialVoiceId(matcher)
+        this.#playVoice(voiceId)
+    }
+
+    #getSpecialVoiceId(matcher) {
+        const voices = this.#getVoices()
+        const voiceId = Object.keys(voices).find(e => voices[e].title === matcher)
+        return voiceId
+    }
+
+    #getVoices() {
+        return charword_table.operator.voice[this.#defaultRegion][this.#getWordKeyByVoiceLang()[this.#defaultVoiceLang]]
+    }
+
+    #getSubtitleById(id) {
+        return charword_table.operator.voice[this.#subtitleLang][this.#getWordKeyByVoiceLang()[this.#voiceLang]][id]
+    }
+
+    #getVoiceLanguages() {
+        return Object.keys(this.#getCVInfo(this.#defaultRegion))
+    }
+
+    /**
+     * @returns the cvInfo in the region's language
+     */
+    #getCVInfo(region) {
+        const infoArray = Object.values(charword_table.operator.info[region])
+        // combine the infoArray
+        let output = {}
+        for (const info of infoArray) {
+            output = {
+                ...output,
+                ...info
+            }
+        }
+        return output
+    }
+
+    /**
+     * @returns the cvInfo corresponsing to the voice language
+     */
+    #getCVInfoByVoiceLang() {
+        const languages = {}
+        for (const lang of Object.keys(charword_table.operator.info)) {
+            const cvInfo = this.#getCVInfo(lang)
+            for (const [voiceLanguage, cvArray] of Object.entries(cvInfo)) {
+                if (languages[voiceLanguage] === undefined) {
+                    languages[voiceLanguage] = {}
+                }
+                languages[voiceLanguage][lang] = cvArray
+            }
+        }
+        return languages
+    }
+
+    #getWordKeyByVoiceLang() {
+        const output = {}
+        for (const [wordKey, wordKeyDict] of Object.entries(charword_table.operator.info[this.#defaultRegion])) {
+            for (const lang of Object.keys(wordKeyDict)) {
+                output[lang] = wordKey
+            }
+        }
+        return output
+    }
+
+    #getSubtitleLanguages() {
+        return Object.keys(this.#getCVInfoByVoiceLang()[this.#voiceLang])
+    }
+
 }
\ No newline at end of file
diff --git a/src/index.js b/src/index.js
index fff63cc..00a3e4f 100644
--- a/src/index.js
+++ b/src/index.js
@@ -2,6 +2,7 @@ import '@/index.css'
 import '@/libs/wallpaper_engine'
 import check_web_gl from '@/libs/check_web_gl'
 import Settings from '@/components/settings'
+import Voice from '@/components/voice'
 
 document.querySelector('#app').innerHTML = `
   <img src="./assets/${import.meta.env.VITE_LOGO_FILENAME}.png" class="logo invert-filter" id="logo" alt="operator logo" />
@@ -11,10 +12,12 @@ document.querySelector('#app').innerHTML = `
       style="background-image: url(./assets/${import.meta.env.VITE_FALLBACK_FILENAME}.png)"
       hidden
     ></div> 
-    <div id="player" hidden></div> 
+    <div id="player" hidden></div>
+    <div id="voice" hidden></div> 
   </div>
 `
-
+window.voice = new Voice(document.querySelector('#voice'))
+window.voice.init()
 window.settings = new Settings(document.querySelector('#settings'), document.querySelector('#logo'))
 document.title = import.meta.env.VITE_TITLE
 console.log("All resources are extracted from Arknights. Github: https://github.com/Halyul/aklive2d")