diff --git a/server/server.go b/server/server.go
index 243f26ad..f821ed70 100644
--- a/server/server.go
+++ b/server/server.go
@@ -61,9 +61,6 @@ func NewServer(profile *profile.Profile) *Server {
 	rootGroup := e.Group("")
 	s.registerRSSRoutes(rootGroup)
 
-	webhookGroup := e.Group("/h")
-	s.registerResourcePublicRoutes(webhookGroup)
-
 	publicGroup := e.Group("/o")
 	s.registerResourcePublicRoutes(publicGroup)
 	s.registerGetterPublicRoutes(publicGroup)
diff --git a/web/src/App.tsx b/web/src/App.tsx
index f8b0fec0..a99b88b2 100644
--- a/web/src/App.tsx
+++ b/web/src/App.tsx
@@ -6,12 +6,12 @@ import { useAppSelector } from "./store";
 import Loading from "./pages/Loading";
 import router from "./router";
 import * as storage from "./helpers/storage";
-import useApperance from "./hooks/useApperance";
+import useAppearance from "./hooks/useAppearance";
 
 function App() {
   const { i18n } = useTranslation();
   const { locale, systemStatus } = useAppSelector((state) => state.global);
-  useApperance();
+  useAppearance();
 
   useEffect(() => {
     locationService.updateStateWithLocation();
diff --git a/web/src/components/ApperanceSelect.tsx b/web/src/components/AppearanceSelect.tsx
similarity index 50%
rename from web/src/components/ApperanceSelect.tsx
rename to web/src/components/AppearanceSelect.tsx
index 15d7dfd2..e6210bef 100644
--- a/web/src/components/ApperanceSelect.tsx
+++ b/web/src/components/AppearanceSelect.tsx
@@ -1,14 +1,16 @@
 import { Option, Select } from "@mui/joy";
 import { useTranslation } from "react-i18next";
+import { globalService } from "../services";
+import { useAppSelector } from "../store";
 import Icon from "./Icon";
-import { APPERANCE_OPTIONS } from "../helpers/consts";
-import useApperance, { Apperance } from "../hooks/useApperance";
 
-const ApperanceSelect = () => {
-  const [apperance, setApperance] = useApperance();
+const appearanceList = ["system", "light", "dark"];
+
+const AppearanceSelect = () => {
+  const appearance = useAppSelector((state) => state.global.appearance);
   const { t } = useTranslation();
 
-  const getPrefixIcon = (apperance: Apperance) => {
+  const getPrefixIcon = (apperance: Appearance) => {
     const className = "w-4 h-auto";
     if (apperance === "light") {
       return <Icon.Sun className={className} />;
@@ -19,16 +21,22 @@ const ApperanceSelect = () => {
     }
   };
 
+  const handleSelectChange = (appearance: Appearance) => {
+    globalService.setAppearance(appearance);
+  };
+
   return (
     <Select
       className="!min-w-[10rem] w-auto text-sm"
-      value={apperance}
-      onChange={(_, value) => {
-        setApperance(value as Apperance);
+      value={appearance}
+      onChange={(_, appearance) => {
+        if (appearance) {
+          handleSelectChange(appearance);
+        }
       }}
-      startDecorator={getPrefixIcon(apperance)}
+      startDecorator={getPrefixIcon(appearance)}
     >
-      {APPERANCE_OPTIONS.map((item) => (
+      {appearanceList.map((item) => (
         <Option key={item} value={item} className="whitespace-nowrap">
           {t(`setting.apperance-option.${item}`)}
         </Option>
@@ -37,4 +45,4 @@ const ApperanceSelect = () => {
   );
 };
 
-export default ApperanceSelect;
+export default AppearanceSelect;
diff --git a/web/src/components/ChangePasswordDialog.tsx b/web/src/components/ChangePasswordDialog.tsx
index 5cfc884e..45c61e92 100644
--- a/web/src/components/ChangePasswordDialog.tsx
+++ b/web/src/components/ChangePasswordDialog.tsx
@@ -82,6 +82,7 @@ const ChangePasswordDialog: React.FC<Props> = ({ destroy }: Props) => {
         <p className="text-sm mb-1">{t("common.new-password")}</p>
         <input
           type="password"
+          autoComplete="new-password"
           className="input-text"
           placeholder={t("common.repeat-new-password")}
           value={newPassword}
@@ -90,6 +91,7 @@ const ChangePasswordDialog: React.FC<Props> = ({ destroy }: Props) => {
         <p className="text-sm mb-1 mt-2">{t("common.repeat-new-password")}</p>
         <input
           type="password"
+          autoComplete="new-password"
           className="input-text"
           placeholder={t("common.repeat-new-password")}
           value={newPasswordAgain}
diff --git a/web/src/components/SearchBar.tsx b/web/src/components/SearchBar.tsx
index ac6773f3..5a291277 100644
--- a/web/src/components/SearchBar.tsx
+++ b/web/src/components/SearchBar.tsx
@@ -34,7 +34,14 @@ const SearchBar = () => {
     <div className="search-bar-container">
       <div className="search-bar-inputer">
         <Icon.Search className="icon-img" />
-        <input className="text-input" autoComplete="off" type="text" placeholder="" value={queryText} onChange={handleTextQueryInput} />
+        <input
+          className="text-input"
+          autoComplete="new-password"
+          type="text"
+          placeholder=""
+          value={queryText}
+          onChange={handleTextQueryInput}
+        />
       </div>
       <div className="quickly-action-wrapper">
         <div className="quickly-action-container">
diff --git a/web/src/components/Settings/MemberSection.tsx b/web/src/components/Settings/MemberSection.tsx
index 9eae10f1..1b2883f6 100644
--- a/web/src/components/Settings/MemberSection.tsx
+++ b/web/src/components/Settings/MemberSection.tsx
@@ -12,7 +12,6 @@ import "../../less/settings/member-section.less";
 interface State {
   createUserUsername: string;
   createUserPassword: string;
-  repeatUserPassword: string;
 }
 
 const PreferencesSection = () => {
@@ -21,7 +20,6 @@ const PreferencesSection = () => {
   const [state, setState] = useState<State>({
     createUserUsername: "",
     createUserPassword: "",
-    repeatUserPassword: "",
   });
   const [userList, setUserList] = useState<User[]>([]);
 
@@ -48,22 +46,11 @@ const PreferencesSection = () => {
     });
   };
 
-  const handleRepeatPasswordInputChange = (event: React.ChangeEvent<HTMLInputElement>) => {
-    setState({
-      ...state,
-      repeatUserPassword: event.target.value,
-    });
-  };
-
   const handleCreateUserBtnClick = async () => {
     if (state.createUserUsername === "" || state.createUserPassword === "") {
       toastHelper.error(t("message.fill-form"));
       return;
     }
-    if (state.createUserPassword !== state.repeatUserPassword) {
-      toastHelper.error(t("message.password-not-match"));
-      return;
-    }
 
     const userCreate: UserCreate = {
       username: state.createUserUsername,
@@ -80,7 +67,6 @@ const PreferencesSection = () => {
     setState({
       createUserUsername: "",
       createUserPassword: "",
-      repeatUserPassword: "",
     });
   };
 
@@ -131,19 +117,22 @@ const PreferencesSection = () => {
       <div className="create-member-container">
         <div className="input-form-container">
           <span className="field-text">{t("common.username")}</span>
-          <input type="text" placeholder={t("common.username")} value={state.createUserUsername} onChange={handleUsernameInputChange} />
+          <input
+            type="text"
+            autoComplete="new-password"
+            placeholder={t("common.username")}
+            value={state.createUserUsername}
+            onChange={handleUsernameInputChange}
+          />
         </div>
         <div className="input-form-container">
           <span className="field-text">{t("common.password")}</span>
-          <input type="password" placeholder={t("common.password")} value={state.createUserPassword} onChange={handlePasswordInputChange} />
-        </div>
-        <div className="input-form-container">
-          <span className="field-text">{t("common.repeat-password-short")}</span>
           <input
             type="password"
-            placeholder={t("common.repeat-password")}
-            value={state.repeatUserPassword}
-            onChange={handleRepeatPasswordInputChange}
+            autoComplete="new-password"
+            placeholder={t("common.password")}
+            value={state.createUserPassword}
+            onChange={handlePasswordInputChange}
           />
         </div>
         <div className="btns-container">
diff --git a/web/src/components/Settings/PreferencesSection.tsx b/web/src/components/Settings/PreferencesSection.tsx
index d26b60e1..1f3285ce 100644
--- a/web/src/components/Settings/PreferencesSection.tsx
+++ b/web/src/components/Settings/PreferencesSection.tsx
@@ -4,6 +4,7 @@ import { globalService, userService } from "../../services";
 import { useAppSelector } from "../../store";
 import { VISIBILITY_SELECTOR_ITEMS, MEMO_DISPLAY_TS_OPTION_SELECTOR_ITEMS } from "../../helpers/consts";
 import Selector from "../common/Selector";
+import AppearanceSelect from "../AppearanceSelect";
 import "../../less/settings/preferences-section.less";
 
 const localeSelectorItems = [
@@ -66,6 +67,10 @@ const PreferencesSection = () => {
         <span className="normal-text">{t("common.language")}</span>
         <Selector className="ml-2 w-32" value={setting.locale} dataSource={localeSelectorItems} handleValueChanged={handleLocaleChanged} />
       </label>
+      <label className="form-label selector">
+        <span className="normal-text">Theme</span>
+        <AppearanceSelect />
+      </label>
       <p className="title-text">{t("setting.preference")}</p>
       <label className="form-label selector">
         <span className="normal-text">{t("setting.preference-section.default-memo-visibility")}</span>
diff --git a/web/src/components/ShareMemoImageDialog.tsx b/web/src/components/ShareMemoImageDialog.tsx
index a147ab92..941aa78c 100644
--- a/web/src/components/ShareMemoImageDialog.tsx
+++ b/web/src/components/ShareMemoImageDialog.tsx
@@ -14,8 +14,8 @@ import toastHelper from "./Toast";
 import MemoContent from "./MemoContent";
 import MemoResources from "./MemoResources";
 import Selector from "./common/Selector";
+import useAppearance from "../hooks/useAppearance";
 import "../less/share-memo-image-dialog.less";
-import useApperance from "../hooks/useApperance";
 
 interface Props extends DialogProps {
   memo: Memo;
@@ -36,7 +36,7 @@ const ShareMemoImageDialog: React.FC<Props> = (props: Props) => {
     shortcutImgUrl: "",
     memoVisibility: propsMemo.visibility,
   });
-  const [apperance] = useApperance();
+  const [appearance] = useAppearance();
   const loadingState = useLoading();
   const memoElRef = useRef<HTMLDivElement>(null);
   const memo = {
@@ -72,7 +72,7 @@ const ShareMemoImageDialog: React.FC<Props> = (props: Props) => {
       }
 
       toImage(memoElRef.current, {
-        backgroundColor: apperance === "light" ? "#f4f4f5" : "#27272a",
+        backgroundColor: appearance === "light" ? "#f4f4f5" : "#27272a",
         pixelRatio: window.devicePixelRatio * 2,
       })
         .then((url) => {
diff --git a/web/src/helpers/consts.ts b/web/src/helpers/consts.ts
index f3bcbe1d..30f05a0d 100644
--- a/web/src/helpers/consts.ts
+++ b/web/src/helpers/consts.ts
@@ -19,6 +19,3 @@ export const MEMO_DISPLAY_TS_OPTION_SELECTOR_ITEMS = [
 ];
 
 export const TAB_SPACE_WIDTH = 2;
-
-export const APPERANCE_OPTIONS = ["auto", "light", "dark"] as const;
-export const APPERANCE_OPTIONS_STORAGE_KEY = "setting_APPERANCE_OPTIONS";
diff --git a/web/src/hooks/useAppearance.ts b/web/src/hooks/useAppearance.ts
new file mode 100644
index 00000000..0a827533
--- /dev/null
+++ b/web/src/hooks/useAppearance.ts
@@ -0,0 +1,65 @@
+import { useEffect } from "react";
+import { useColorScheme } from "@mui/joy/styles";
+import { useAppSelector } from "../store";
+import { globalService } from "../services";
+
+const getSystemColorScheme = () => {
+  if (window.matchMedia && window.matchMedia("(prefers-color-scheme: dark)").matches) {
+    return "dark";
+  } else {
+    return "light";
+  }
+};
+
+const useAppearance = () => {
+  const user = useAppSelector((state) => state.user.user);
+  const appearance = useAppSelector((state) => state.global.appearance);
+  const { mode, setMode } = useColorScheme();
+
+  useEffect(() => {
+    if (user) {
+      globalService.setAppearance(user.setting.appearance);
+    }
+  }, [user]);
+
+  useEffect(() => {
+    let mode = appearance;
+    if (appearance === "system") {
+      mode = getSystemColorScheme();
+    }
+    setMode(mode);
+  }, [appearance]);
+
+  useEffect(() => {
+    const colorSchemeChangeHandler = (event: MediaQueryListEvent) => {
+      const newColorScheme = event.matches ? "dark" : "light";
+      if (globalService.getState().appearance === "system") {
+        setMode(newColorScheme);
+      }
+    };
+
+    if (appearance !== "system") {
+      window.matchMedia("(prefers-color-scheme: dark)").removeEventListener("change", colorSchemeChangeHandler);
+      return;
+    }
+
+    window.matchMedia("(prefers-color-scheme: dark)").addEventListener("change", colorSchemeChangeHandler);
+
+    return () => {
+      window.matchMedia("(prefers-color-scheme: dark)").removeEventListener("change", colorSchemeChangeHandler);
+    };
+  }, [appearance]);
+
+  useEffect(() => {
+    const root = document.documentElement;
+    if (mode === "dark") {
+      root.classList.add("dark");
+    } else if (mode === "light") {
+      root.classList.remove("dark");
+    }
+  }, [mode]);
+
+  return [appearance, globalService.setAppearance] as const;
+};
+
+export default useAppearance;
diff --git a/web/src/hooks/useApperance.ts b/web/src/hooks/useApperance.ts
deleted file mode 100644
index 14cb9154..00000000
--- a/web/src/hooks/useApperance.ts
+++ /dev/null
@@ -1,30 +0,0 @@
-import { useEffect } from "react";
-import { useColorScheme } from "@mui/joy/styles";
-
-import { APPERANCE_OPTIONS, APPERANCE_OPTIONS_STORAGE_KEY } from "../helpers/consts";
-import useLocalStorage from "./useLocalStorage";
-import useMediaQuery from "./useMediaQuery";
-
-export type Apperance = typeof APPERANCE_OPTIONS[number];
-
-const useApperance = () => {
-  const [apperance, setApperance] = useLocalStorage<Apperance>(APPERANCE_OPTIONS_STORAGE_KEY, APPERANCE_OPTIONS[0]);
-  const prefersDarkMode = useMediaQuery("(prefers-color-scheme: dark)");
-
-  const { setMode } = useColorScheme();
-
-  useEffect(() => {
-    const root = document.documentElement;
-    if (apperance === "dark" || (apperance === "auto" && prefersDarkMode)) {
-      root.classList.add("dark");
-      setMode("dark");
-    } else {
-      root.classList.remove("dark");
-      setMode("light");
-    }
-  }, [apperance, prefersDarkMode]);
-
-  return [apperance, setApperance] as const;
-};
-
-export default useApperance;
diff --git a/web/src/hooks/useLocalStorage.ts b/web/src/hooks/useLocalStorage.ts
deleted file mode 100644
index cadad638..00000000
--- a/web/src/hooks/useLocalStorage.ts
+++ /dev/null
@@ -1,26 +0,0 @@
-import { useState } from "react";
-
-const useLocalStorage = <T>(key: string, initialValue: T) => {
-  const [storedValue, setStoredValue] = useState<T>(() => {
-    try {
-      const item = window.localStorage.getItem(key);
-      return item ? JSON.parse(item) : initialValue;
-    } catch (error) {
-      return initialValue;
-    }
-  });
-
-  const setValue = (value: T | ((val: T) => T)) => {
-    try {
-      const valueToStore = value instanceof Function ? value(storedValue) : value;
-      setStoredValue(valueToStore);
-      window.localStorage.setItem(key, JSON.stringify(valueToStore));
-    } catch (error) {
-      console.log(error);
-    }
-  };
-
-  return [storedValue, setValue] as const;
-};
-
-export default useLocalStorage;
diff --git a/web/src/locales/en.json b/web/src/locales/en.json
index af588088..3b4656b9 100644
--- a/web/src/locales/en.json
+++ b/web/src/locales/en.json
@@ -152,7 +152,7 @@
       "enable-folding-memo": "Enable folding memo",
       "editor-font-style": "Editor font style",
       "mobile-editor-style": "Mobile editor style",
-      "default-memo-sort-option": "Display by created/updated time",
+      "default-memo-sort-option": "Memo display time",
       "created_ts": "Created Time",
       "updated_ts": "Updated Time"
     },
@@ -168,9 +168,9 @@
       "additional-script-placeholder": "Additional JavaScript codes"
     },
     "apperance-option": {
-      "auto": "Follow system",
       "light": "Always light",
-      "dark": "Always dark"
+      "dark": "Always dark",
+      "system": "Follow system"
     }
   },
   "amount-text": {
diff --git a/web/src/locales/fr.json b/web/src/locales/fr.json
index 30924ff2..3fd1ee92 100644
--- a/web/src/locales/fr.json
+++ b/web/src/locales/fr.json
@@ -152,7 +152,7 @@
       "enable-folding-memo": "Activer le mémo pliable",
       "editor-font-style": "Style de police de l'éditeur",
       "mobile-editor-style": "Style de l'éditeur mobile",
-      "default-memo-sort-option": "Affichage par heure de création/mise à jour",
+      "default-memo-sort-option": "Memo display time",
       "created_ts": "Heure de création",
       "updated_ts": "Heure de mise à jour"
     },
diff --git a/web/src/locales/vi.json b/web/src/locales/vi.json
index 3f0c9979..41c9fdac 100644
--- a/web/src/locales/vi.json
+++ b/web/src/locales/vi.json
@@ -151,7 +151,7 @@
       "enable-folding-memo": "Enable folding memo",
       "editor-font-style": "Thay đổi font cho trình soạn thảo",
       "mobile-editor-style": "Vị trí editor trên mobile",
-      "default-memo-sort-option": "Sắp xếp theo thời gian đã tạo",
+      "default-memo-sort-option": "Memo display time",
       "created_ts": "tạo thời gian",
       "updated_ts": "Thời gian cập nhật"
     },
diff --git a/web/src/locales/zh.json b/web/src/locales/zh.json
index 908556b4..01752cf1 100644
--- a/web/src/locales/zh.json
+++ b/web/src/locales/zh.json
@@ -152,7 +152,7 @@
       "enable-folding-memo": "开启折叠 Memo",
       "editor-font-style": "编辑器字体样式",
       "mobile-editor-style": "移动端编辑器样式",
-      "default-memo-sort-option": "按创建时间/更新时间显示",
+      "default-memo-sort-option": "Memo 显示时间",
       "created_ts": "创建时间",
       "updated_ts": "更新时间"
     },
@@ -168,9 +168,9 @@
       "additional-script-placeholder": "自定义 JavaScript 代码"
     },
     "apperance-option": {
-      "auto": "跟随系统",
       "light": "总是浅色",
-      "dark": "总是深色"
+      "dark": "总是深色",
+      "system": "跟随系统"
     }
   },
   "amount-text": {
diff --git a/web/src/pages/Auth.tsx b/web/src/pages/Auth.tsx
index ab1530f7..001cee2a 100644
--- a/web/src/pages/Auth.tsx
+++ b/web/src/pages/Auth.tsx
@@ -9,7 +9,7 @@ import useLoading from "../hooks/useLoading";
 import { globalService, userService } from "../services";
 import Icon from "../components/Icon";
 import toastHelper from "../components/Toast";
-import ApperanceSelect from "../components/ApperanceSelect";
+import AppearanceSelect from "../components/AppearanceSelect";
 import "../less/auth.less";
 
 const validateConfig: ValidatorConfig = {
@@ -177,7 +177,7 @@ const Auth = () => {
             <Option value="vi">Tiếng Việt</Option>
             <Option value="fr">French</Option>
           </Select>
-          <ApperanceSelect />
+          <AppearanceSelect />
         </div>
       </div>
     </div>
diff --git a/web/src/router/index.tsx b/web/src/router/index.tsx
index f2398098..467fe954 100644
--- a/web/src/router/index.tsx
+++ b/web/src/router/index.tsx
@@ -18,6 +18,7 @@ const router = createBrowserRouter([
       } catch (error) {
         // do nth
       }
+      return null;
     },
   },
   {
@@ -37,6 +38,7 @@ const router = createBrowserRouter([
       } else if (isNullorUndefined(user)) {
         return redirect("/explore");
       }
+      return null;
     },
   },
   {
@@ -54,6 +56,7 @@ const router = createBrowserRouter([
       if (isNullorUndefined(host)) {
         return redirect("/auth");
       }
+      return null;
     },
   },
   {
@@ -71,6 +74,7 @@ const router = createBrowserRouter([
       if (isNullorUndefined(host)) {
         return redirect("/auth");
       }
+      return null;
     },
   },
   {
@@ -88,6 +92,7 @@ const router = createBrowserRouter([
       if (isNullorUndefined(host)) {
         return redirect("/auth");
       }
+      return null;
     },
   },
 ]);
diff --git a/web/src/services/globalService.ts b/web/src/services/globalService.ts
index 6a46c0d8..492f5f2c 100644
--- a/web/src/services/globalService.ts
+++ b/web/src/services/globalService.ts
@@ -1,7 +1,7 @@
 import store from "../store";
 import * as api from "../helpers/api";
 import * as storage from "../helpers/storage";
-import { setGlobalState, setLocale } from "../store/modules/global";
+import { setAppearance, setGlobalState, setLocale } from "../store/modules/global";
 
 const globalService = {
   getState: () => {
@@ -11,6 +11,7 @@ const globalService = {
   initialState: async () => {
     const defaultGlobalState = {
       locale: "en" as Locale,
+      appearance: "system" as Appearance,
       systemStatus: {
         allowSignUp: false,
         additionalStyle: "",
@@ -38,6 +39,10 @@ const globalService = {
   setLocale: (locale: Locale) => {
     store.dispatch(setLocale(locale));
   },
+
+  setAppearance: (appearance: Appearance) => {
+    store.dispatch(setAppearance(appearance));
+  },
 };
 
 export default globalService;
diff --git a/web/src/services/userService.ts b/web/src/services/userService.ts
index 79d8d9c6..f61cdf69 100644
--- a/web/src/services/userService.ts
+++ b/web/src/services/userService.ts
@@ -8,6 +8,7 @@ import { setUser, patchUser, setHost, setOwner } from "../store/modules/user";
 
 const defaultSetting: Setting = {
   locale: "en",
+  appearance: "system",
   memoVisibility: "PRIVATE",
   memoDisplayTsOption: "created_ts",
 };
diff --git a/web/src/store/modules/global.ts b/web/src/store/modules/global.ts
index 7156d37f..492b9613 100644
--- a/web/src/store/modules/global.ts
+++ b/web/src/store/modules/global.ts
@@ -2,6 +2,7 @@ import { createSlice, PayloadAction } from "@reduxjs/toolkit";
 
 interface State {
   locale: Locale;
+  appearance: Appearance;
   systemStatus: SystemStatus;
 }
 
@@ -9,6 +10,7 @@ const globalSlice = createSlice({
   name: "global",
   initialState: {
     locale: "en",
+    appearance: "system",
     systemStatus: {
       host: undefined,
       profile: {
@@ -31,9 +33,15 @@ const globalSlice = createSlice({
         locale: action.payload,
       };
     },
+    setAppearance: (state, action: PayloadAction<Appearance>) => {
+      return {
+        ...state,
+        appearance: action.payload,
+      };
+    },
   },
 });
 
-export const { setGlobalState, setLocale } = globalSlice.actions;
+export const { setGlobalState, setLocale, setAppearance } = globalSlice.actions;
 
 export default globalSlice.reducer;
diff --git a/web/src/theme/index.ts b/web/src/theme/index.ts
index 1d59cc39..6dac7471 100644
--- a/web/src/theme/index.ts
+++ b/web/src/theme/index.ts
@@ -3,10 +3,8 @@ import { extendTheme } from "@mui/joy";
 const theme = extendTheme({
   components: {
     JoySelect: {
-      styleOverrides: {
-        root: {
-          fontSize: "0.875rem",
-        },
+      defaultProps: {
+        size: "sm",
       },
     },
   },
diff --git a/web/src/types/modules/setting.d.ts b/web/src/types/modules/setting.d.ts
index 49d49b9f..abf07b83 100644
--- a/web/src/types/modules/setting.d.ts
+++ b/web/src/types/modules/setting.d.ts
@@ -1,5 +1,8 @@
+type Appearance = "light" | "dark" | "system";
+
 interface Setting {
   locale: Locale;
+  appearance: Appearance;
   memoVisibility: Visibility;
   memoDisplayTsOption: "created_ts" | "updated_ts";
 }
@@ -13,12 +16,17 @@ interface UserLocaleSetting {
   value: Locale;
 }
 
+interface UserAppearanceSetting {
+  key: "appearance";
+  value: Appearance;
+}
+
 interface UserMemoVisibilitySetting {
   key: "memoVisibility";
   value: Visibility;
 }
 
-type UserSetting = UserLocaleSetting | UserMemoVisibilitySetting;
+type UserSetting = UserLocaleSetting | UserAppearanceSetting | UserMemoVisibilitySetting;
 
 interface UserSettingUpsert {
   key: keyof Setting;