diff --git a/src/config/i18n.js b/src/config/i18n.js
index 13f1006..ae89a48 100644
--- a/src/config/i18n.js
+++ b/src/config/i18n.js
@@ -1623,6 +1623,11 @@ export const I18N = {
     en: `Starting to process subtitle data...`,
     zh_TW: `开始处理字幕数据...`,
   },
+  subtitle_data_is_ready: {
+    zh: `字幕数据已准备就绪，请点击KT按钮加载`,
+    en: `The subtitle data is ready, please click the KT button to load it`,
+    zh_TW: `字幕資料已準備就緒，請點擊KT按鈕加載`,
+  },
 };
 
 export const i18n = (lang) => (key) => I18N[key]?.[lang] || "";
diff --git a/src/subtitle/YouTubeCaptionProvider.js b/src/subtitle/YouTubeCaptionProvider.js
index a52d55f..aea0f4d 100644
--- a/src/subtitle/YouTubeCaptionProvider.js
+++ b/src/subtitle/YouTubeCaptionProvider.js
@@ -394,6 +394,8 @@ class YouTubeCaptionProvider {
     this.#destroyManager();
     if (this.#enabled) {
       this.#startManager();
+    } else {
+      this.#showNotification(this.#i18n("subtitle_data_is_ready"));
     }
   }