diff --git a/app/appearance/langs/en_US.json b/app/appearance/langs/en_US.json
index cada63426..c663547f3 100644
--- a/app/appearance/langs/en_US.json
+++ b/app/appearance/langs/en_US.json
@@ -535,7 +535,6 @@
   "appearance6": "The window layout will be restored to the initial state after reset",
   "appearance9": "Open Theme Folder",
   "appearance8": "Open Icon Folder",
-  "appearance7": "Automatically switch with sunrise and sunset",
   "appearance5": "Select the mode of the user interface",
   "appearance4": "Mode",
   "appearance3": "Select the syntax highlighting theme used in dark mode",
diff --git a/app/appearance/langs/es_ES.json b/app/appearance/langs/es_ES.json
index 264d81688..09617acb8 100644
--- a/app/appearance/langs/es_ES.json
+++ b/app/appearance/langs/es_ES.json
@@ -535,7 +535,6 @@
   "appearance6": "El diseño de la ventana se restablecerá al estado inicial después del reinicio",
   "appearance9": "Abrir carpeta de temas",
   "appearance8": "Abrir carpeta de iconos",
-  "appearance7": "Cambiar automáticamente con la salida y la puesta del sol",
   "appearance5": "Seleccionar el modo de la interfaz de usuario",
   "appearance4": "Modo",
   "appearance3": "Seleccionar el tema de resaltado de sintaxis utilizado en el modo oscuro",
diff --git a/app/appearance/langs/fr_FR.json b/app/appearance/langs/fr_FR.json
index 2382472aa..46b4ec1ce 100644
--- a/app/appearance/langs/fr_FR.json
+++ b/app/appearance/langs/fr_FR.json
@@ -535,7 +535,6 @@
   "appearance6": "La disposition de la fenêtre sera restaurée à l'état initial après la réinitialisation.",
   "appearance9": "Ouvrir le dossier du thème",
   "appearance8": "Ouvrir le dossier d'icônes",
-  "appearance7": "Commutation automatique avec le lever et le coucher du soleil",
   "appearance5": "Sélectionnez le mode de l'interface utilisateur",
   "appearance4": "Mode",
   "appearance3": "Thème de mise en évidence de la syntaxe des blocs de code en mode Sombre",
diff --git a/app/appearance/langs/zh_CHT.json b/app/appearance/langs/zh_CHT.json
index 113ec35f5..cca4731a2 100644
--- a/app/appearance/langs/zh_CHT.json
+++ b/app/appearance/langs/zh_CHT.json
@@ -535,7 +535,6 @@
   "appearance6": "重置後視窗佈局將恢復初始化狀態",
   "appearance9": "打開主題資料夾",
   "appearance8": "打開圖示資料夾",
-  "appearance7": "隨日出日落自動切換",
   "appearance5": "選擇外觀呈現模式",
   "appearance4": "模式",
   "appearance3": "深色模式下代碼塊語法突顯主題",
diff --git a/app/appearance/langs/zh_CN.json b/app/appearance/langs/zh_CN.json
index eaa76b3ea..2f7b03f67 100644
--- a/app/appearance/langs/zh_CN.json
+++ b/app/appearance/langs/zh_CN.json
@@ -535,7 +535,6 @@
   "appearance6": "重置后窗口布局将恢复初始化状态",
   "appearance9": "打开主题文件夹",
   "appearance8": "打开图标文件夹",
-  "appearance7": "随日出日落自动切换",
   "appearance5": "选择外观呈现模式",
   "appearance4": "模式",
   "appearance3": "暗黑模式下代码块语法高亮主题",
diff --git a/app/src/config/appearance.ts b/app/src/config/appearance.ts
index e8ef1c2c2..54d3b437d 100644
--- a/app/src/config/appearance.ts
+++ b/app/src/config/appearance.ts
@@ -22,7 +22,7 @@ export const appearance = {
     <select class="b3-select fn__flex-center fn__size200" id="mode">
       <option value="0" ${(window.siyuan.config.appearance.mode === 0 && !window.siyuan.config.appearance.modeOS) ? "selected" : ""}>${window.siyuan.languages.themeLight}</option>
       <option value="1" ${(window.siyuan.config.appearance.mode === 1 && !window.siyuan.config.appearance.modeOS) ? "selected" : ""}>${window.siyuan.languages.themeDark}</option>
-      <option value="2" ${window.siyuan.config.appearance.modeOS ? "selected" : ""}>${window.siyuan.languages.appearance7}</option>
+      <option value="2" ${window.siyuan.config.appearance.modeOS ? "selected" : ""}>${window.siyuan.languages.themeOS}</option>
     </select>
 </label>
 <div class="b3-label">