diff --git a/api/user_setting.go b/api/user_setting.go
index eb0ddfc..cd02e07 100644
--- a/api/user_setting.go
+++ b/api/user_setting.go
@@ -10,6 +10,8 @@ type UserSettingKey string
 const (
 	// UserSettingLocaleKey is the key type for user locale.
 	UserSettingLocaleKey UserSettingKey = "locale"
+	// UserSettingAppearanceKey is the key type for user appearance.
+	UserSettingAppearanceKey UserSettingKey = "appearance"
 	// UserSettingMemoVisibilityKey is the key type for user preference memo default visibility.
 	UserSettingMemoVisibilityKey UserSettingKey = "memoVisibility"
 	// UserSettingMemoDisplayTsOptionKey is the key type for memo display ts option.
@@ -21,6 +23,8 @@ func (key UserSettingKey) String() string {
 	switch key {
 	case UserSettingLocaleKey:
 		return "locale"
+	case UserSettingAppearanceKey:
+		return "appearance"
 	case UserSettingMemoVisibilityKey:
 		return "memoVisibility"
 	case UserSettingMemoDisplayTsOptionKey:
@@ -31,8 +35,8 @@ func (key UserSettingKey) String() string {
 
 var (
 	UserSettingLocaleValue                 = []string{"en", "zh", "vi", "fr"}
+	UserSettingAppearanceValue             = []string{"light", "dark"}
 	UserSettingMemoVisibilityValue         = []Visibility{Private, Protected, Public}
-	UserSettingEditorFontStyleValue        = []string{"normal", "mono"}
 	UserSettingMemoDisplayTsOptionKeyValue = []string{"created_ts", "updated_ts"}
 )
 
@@ -67,6 +71,23 @@ func (upsert UserSettingUpsert) Validate() error {
 		if invalid {
 			return fmt.Errorf("invalid user setting locale value")
 		}
+	} else if upsert.Key == UserSettingAppearanceKey {
+		appearanceValue := "light"
+		err := json.Unmarshal([]byte(upsert.Value), &appearanceValue)
+		if err != nil {
+			return fmt.Errorf("failed to unmarshal user setting appearance value")
+		}
+
+		invalid := true
+		for _, value := range UserSettingAppearanceValue {
+			if appearanceValue == value {
+				invalid = false
+				break
+			}
+		}
+		if invalid {
+			return fmt.Errorf("invalid user setting appearance value")
+		}
 	} else if upsert.Key == UserSettingMemoVisibilityKey {
 		memoVisibilityValue := Private
 		err := json.Unmarshal([]byte(upsert.Value), &memoVisibilityValue)
diff --git a/web/src/App.tsx b/web/src/App.tsx
index a99b88b..ec36bf0 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 useAppearance from "./hooks/useAppearance";
+import { useColorScheme } from "@mui/joy";
 
 function App() {
   const { i18n } = useTranslation();
-  const { locale, systemStatus } = useAppSelector((state) => state.global);
-  useAppearance();
+  const { appearance, locale, systemStatus } = useAppSelector((state) => state.global);
+  const { setMode } = useColorScheme();
 
   useEffect(() => {
     locationService.updateStateWithLocation();
@@ -42,6 +42,19 @@ function App() {
     });
   }, [locale]);
 
+  useEffect(() => {
+    const root = document.documentElement;
+    if (appearance === "light") {
+      root.classList.remove("dark");
+    } else if (appearance === "dark") {
+      root.classList.add("dark");
+    }
+    setMode(appearance);
+    storage.set({
+      appearance: appearance,
+    });
+  }, [appearance]);
+
   return (
     <Suspense fallback={<Loading />}>
       <RouterProvider router={router} />
diff --git a/web/src/components/AppearanceSelect.tsx b/web/src/components/AppearanceSelect.tsx
index e6210be..371e18e 100644
--- a/web/src/components/AppearanceSelect.tsx
+++ b/web/src/components/AppearanceSelect.tsx
@@ -1,12 +1,13 @@
 import { Option, Select } from "@mui/joy";
 import { useTranslation } from "react-i18next";
-import { globalService } from "../services";
+import { globalService, userService } from "../services";
 import { useAppSelector } from "../store";
 import Icon from "./Icon";
 
-const appearanceList = ["system", "light", "dark"];
+const appearanceList = ["light", "dark"];
 
 const AppearanceSelect = () => {
+  const user = useAppSelector((state) => state.user.user);
   const appearance = useAppSelector((state) => state.global.appearance);
   const { t } = useTranslation();
 
@@ -16,12 +17,13 @@ const AppearanceSelect = () => {
       return <Icon.Sun className={className} />;
     } else if (apperance === "dark") {
       return <Icon.Moon className={className} />;
-    } else {
-      return <Icon.Smile className={className} />;
     }
   };
 
-  const handleSelectChange = (appearance: Appearance) => {
+  const handleSelectChange = async (appearance: Appearance) => {
+    if (user) {
+      await userService.upsertUserSetting("appearance", appearance);
+    }
     globalService.setAppearance(appearance);
   };
 
diff --git a/web/src/components/DailyReviewDialog.tsx b/web/src/components/DailyReviewDialog.tsx
index d938fea..4ae4586 100644
--- a/web/src/components/DailyReviewDialog.tsx
+++ b/web/src/components/DailyReviewDialog.tsx
@@ -43,7 +43,6 @@ const DailyReviewDialog: React.FC<Props> = (props: Props) => {
     toggleShowDatePicker(false);
 
     toImage(memosElRef.current, {
-      backgroundColor: "#ffffff",
       pixelRatio: window.devicePixelRatio * 2,
     })
       .then((url) => {
diff --git a/web/src/components/Settings/PreferencesSection.tsx b/web/src/components/Settings/PreferencesSection.tsx
index 1f3285c..fa2cace 100644
--- a/web/src/components/Settings/PreferencesSection.tsx
+++ b/web/src/components/Settings/PreferencesSection.tsx
@@ -1,9 +1,9 @@
+import { Select, Switch, Option } from "@mui/joy";
 import { useTranslation } from "react-i18next";
-import Switch from "@mui/joy/Switch";
 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 Icon from "../Icon";
 import AppearanceSelect from "../AppearanceSelect";
 import "../../less/settings/preferences-section.less";
 
@@ -63,32 +63,65 @@ const PreferencesSection = () => {
   return (
     <div className="section-container preferences-section-container">
       <p className="title-text">{t("common.basic")}</p>
-      <label className="form-label selector">
+      <div className="form-label selector">
         <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">
+        <Select
+          className="!min-w-[10rem] w-auto text-sm"
+          value={setting.locale}
+          onChange={(_, locale) => {
+            if (locale) {
+              handleLocaleChanged(locale);
+            }
+          }}
+          startDecorator={<Icon.Globe className="w-4 h-auto" />}
+        >
+          {localeSelectorItems.map((item) => (
+            <Option key={item.value} value={item.value} className="whitespace-nowrap">
+              {item.text}
+            </Option>
+          ))}
+        </Select>
+      </div>
+      <div className="form-label selector">
         <span className="normal-text">Theme</span>
         <AppearanceSelect />
-      </label>
+      </div>
       <p className="title-text">{t("setting.preference")}</p>
-      <label className="form-label selector">
+      <div className="form-label selector">
         <span className="normal-text">{t("setting.preference-section.default-memo-visibility")}</span>
-        <Selector
-          className="ml-2 w-32"
+        <Select
+          className="!min-w-[10rem] w-auto text-sm"
           value={setting.memoVisibility}
-          dataSource={visibilitySelectorItems}
-          handleValueChanged={handleDefaultMemoVisibilityChanged}
-        />
-      </label>
+          onChange={(_, visibility) => {
+            if (visibility) {
+              handleDefaultMemoVisibilityChanged(visibility);
+            }
+          }}
+        >
+          {visibilitySelectorItems.map((item) => (
+            <Option key={item.value} value={item.value} className="whitespace-nowrap">
+              {item.text}
+            </Option>
+          ))}
+        </Select>
+      </div>
       <label className="form-label selector">
         <span className="normal-text">{t("setting.preference-section.default-memo-sort-option")}</span>
-        <Selector
-          className="ml-2 w-32"
+        <Select
+          className="!min-w-[10rem] w-auto text-sm"
           value={setting.memoDisplayTsOption}
-          dataSource={memoDisplayTsOptionSelectorItems}
-          handleValueChanged={handleMemoDisplayTsOptionChanged}
-        />
+          onChange={(_, value) => {
+            if (value) {
+              handleMemoDisplayTsOptionChanged(value);
+            }
+          }}
+        >
+          {memoDisplayTsOptionSelectorItems.map((item) => (
+            <Option key={item.value} value={item.value} className="whitespace-nowrap">
+              {item.text}
+            </Option>
+          ))}
+        </Select>
       </label>
       <label className="form-label selector">
         <span className="normal-text">{t("setting.preference-section.enable-folding-memo")}</span>
diff --git a/web/src/components/ShareMemoImageDialog.tsx b/web/src/components/ShareMemoImageDialog.tsx
index 941aa78..48f7856 100644
--- a/web/src/components/ShareMemoImageDialog.tsx
+++ b/web/src/components/ShareMemoImageDialog.tsx
@@ -14,7 +14,6 @@ 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";
 
 interface Props extends DialogProps {
@@ -36,7 +35,6 @@ const ShareMemoImageDialog: React.FC<Props> = (props: Props) => {
     shortcutImgUrl: "",
     memoVisibility: propsMemo.visibility,
   });
-  const [appearance] = useAppearance();
   const loadingState = useLoading();
   const memoElRef = useRef<HTMLDivElement>(null);
   const memo = {
@@ -72,7 +70,6 @@ const ShareMemoImageDialog: React.FC<Props> = (props: Props) => {
       }
 
       toImage(memoElRef.current, {
-        backgroundColor: appearance === "light" ? "#f4f4f5" : "#27272a",
         pixelRatio: window.devicePixelRatio * 2,
       })
         .then((url) => {
@@ -147,7 +144,7 @@ const ShareMemoImageDialog: React.FC<Props> = (props: Props) => {
             <div className="userinfo-container">
               <span className="name-text">{user.nickname || user.username}</span>
               <span className="usage-text">
-                {createdDays} DAYS / {state.memoAmount} MEMOS
+                {state.memoAmount} MEMOS / {createdDays} DAYS
               </span>
             </div>
             <img className="logo-img" src="/logo.webp" alt="" />
diff --git a/web/src/helpers/storage.ts b/web/src/helpers/storage.ts
index 1b3e584..bf615d1 100644
--- a/web/src/helpers/storage.ts
+++ b/web/src/helpers/storage.ts
@@ -10,6 +10,8 @@ interface StorageData {
   editingMemoVisibilityCache: Visibility;
   // locale
   locale: Locale;
+  // appearance
+  appearance: Appearance;
   // local setting
   localSetting: LocalSetting;
   // skipped version
diff --git a/web/src/helpers/utils.ts b/web/src/helpers/utils.ts
index 90dfc57..0316d77 100644
--- a/web/src/helpers/utils.ts
+++ b/web/src/helpers/utils.ts
@@ -140,3 +140,11 @@ export function absolutifyLink(rel: string): string {
   anchor.setAttribute("href", rel);
   return anchor.href;
 }
+
+export function getSystemColorScheme() {
+  if (window.matchMedia && window.matchMedia("(prefers-color-scheme: dark)").matches) {
+    return "dark";
+  } else {
+    return "light";
+  }
+}
diff --git a/web/src/hooks/useAppearance.ts b/web/src/hooks/useAppearance.ts
deleted file mode 100644
index 0a82753..0000000
--- a/web/src/hooks/useAppearance.ts
+++ /dev/null
@@ -1,65 +0,0 @@
-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/useMediaQuery.ts b/web/src/hooks/useMediaQuery.ts
deleted file mode 100644
index ecc22f2..0000000
--- a/web/src/hooks/useMediaQuery.ts
+++ /dev/null
@@ -1,21 +0,0 @@
-import { useState, useEffect } from "react";
-
-const useMediaQuery = (query: string) => {
-  const [matches, setMatches] = useState(false);
-
-  useEffect(() => {
-    const media = window.matchMedia(query);
-    if (media.matches !== matches) {
-      setMatches(media.matches);
-    }
-    const listener = () => {
-      setMatches(media.matches);
-    };
-    media.addEventListener("change", listener);
-    return () => media.removeEventListener("change", listener);
-  }, [query, matches]);
-
-  return matches;
-};
-
-export default useMediaQuery;
diff --git a/web/src/hooks/useQuery.ts b/web/src/hooks/useQuery.ts
deleted file mode 100644
index 70d0eda..0000000
--- a/web/src/hooks/useQuery.ts
+++ /dev/null
@@ -1,13 +0,0 @@
-// A custom hook that builds on useLocation to parse
-
-import React from "react";
-import { useLocation } from "react-router-dom";
-
-// the query string for you.
-const useQuery = () => {
-  const { search } = useLocation();
-
-  return React.useMemo(() => new URLSearchParams(search), [search]);
-};
-
-export default useQuery;
diff --git a/web/src/less/daily-review-dialog.less b/web/src/less/daily-review-dialog.less
index 21daef2..f2fa1ca 100644
--- a/web/src/less/daily-review-dialog.less
+++ b/web/src/less/daily-review-dialog.less
@@ -2,7 +2,7 @@
   @apply p-0 sm:py-16;
 
   > .dialog-container {
-    @apply w-full sm:w-112 max-w-full grow sm:grow-0 p-0 rounded-none sm:rounded-lg;
+    @apply w-full sm:w-112 max-w-full grow sm:grow-0 p-0 pb-4 rounded-none sm:rounded-lg;
 
     > .dialog-header-container {
       @apply relative flex flex-row justify-between items-center w-full p-6 pb-0 mb-0;
@@ -33,7 +33,7 @@
     }
 
     > .dialog-content-container {
-      @apply w-full h-auto flex flex-col justify-start items-start p-6 pb-0;
+      @apply w-full h-auto flex flex-col justify-start items-start p-6 pb-0 bg-white dark:bg-zinc-800;
 
       > .date-card-container {
         @apply flex flex-col justify-center items-center m-auto pb-6 select-none;
diff --git a/web/src/less/share-memo-image-dialog.less b/web/src/less/share-memo-image-dialog.less
index 23c67b9..b799598 100644
--- a/web/src/less/share-memo-image-dialog.less
+++ b/web/src/less/share-memo-image-dialog.less
@@ -1,6 +1,6 @@
 .share-memo-image-dialog {
   > .dialog-container {
-    @apply w-96 p-0 bg-zinc-100;
+    @apply w-96 p-0 bg-white dark:bg-zinc-800;
 
     > .dialog-header-container {
       @apply py-2 pt-4 px-4 pl-6 mb-0 rounded-t-lg;
@@ -35,7 +35,7 @@
       }
 
       > .memo-container {
-        @apply w-96 max-w-full h-auto select-none relative flex flex-col justify-start items-start;
+        @apply w-96 max-w-full h-auto select-none relative flex flex-col justify-start items-start bg-white dark:bg-zinc-800;
 
         > .memo-shortcut-img {
           @apply absolute top-0 left-0 w-full h-auto z-10;
@@ -50,7 +50,7 @@
         }
 
         > .images-container {
-          @apply w-full h-auto flex flex-col justify-start items-start px-6 pb-2 bg-white;
+          @apply w-full h-auto flex flex-col justify-start items-start px-6 pb-2;
 
           > img {
             @apply w-full h-auto mb-2 rounded;
@@ -58,30 +58,22 @@
         }
 
         > .watermark-container {
-          @apply flex flex-row justify-between items-center w-full dark:bg-zinc-900 py-2 px-6;
-
-          > .normal-text {
-            @apply w-full flex flex-row justify-start items-center text-sm leading-6 text-gray-500;
-
-            > .name-text {
-              @apply text-black;
-            }
-          }
+          @apply flex flex-row justify-between items-center w-full bg-gray-100 dark:bg-zinc-700 py-2 px-6;
 
           > .userinfo-container {
             @apply w-64 flex flex-col justify-center items-start;
 
             > .name-text {
-              @apply text-lg truncate font-medium text-gray-600;
+              @apply text-sm truncate font-bold text-gray-600 dark:text-gray-300;
             }
 
             > .usage-text {
-              @apply -mt-1 text-sm text-gray-400;
+              @apply text-xs text-gray-400;
             }
           }
 
           > .logo-img {
-            @apply h-12 w-auto;
+            @apply h-10 w-auto;
           }
         }
       }
diff --git a/web/src/services/globalService.ts b/web/src/services/globalService.ts
index 492f5f2..10f442b 100644
--- a/web/src/services/globalService.ts
+++ b/web/src/services/globalService.ts
@@ -11,7 +11,7 @@ const globalService = {
   initialState: async () => {
     const defaultGlobalState = {
       locale: "en" as Locale,
-      appearance: "system" as Appearance,
+      appearance: "light" as Appearance,
       systemStatus: {
         allowSignUp: false,
         additionalStyle: "",
@@ -19,10 +19,13 @@ const globalService = {
       } as SystemStatus,
     };
 
-    const { locale: storageLocale } = storage.get(["locale"]);
+    const { locale: storageLocale, appearance: storageAppearance } = storage.get(["locale", "appearance"]);
     if (storageLocale) {
       defaultGlobalState.locale = storageLocale;
     }
+    if (storageAppearance) {
+      defaultGlobalState.appearance = storageAppearance;
+    }
 
     try {
       const { data } = (await api.getSystemStatus()).data;
diff --git a/web/src/services/userService.ts b/web/src/services/userService.ts
index f61cdf6..1466ce4 100644
--- a/web/src/services/userService.ts
+++ b/web/src/services/userService.ts
@@ -3,12 +3,12 @@ import * as api from "../helpers/api";
 import * as storage from "../helpers/storage";
 import { UNKNOWN_ID } from "../helpers/consts";
 import store from "../store";
-import { setLocale } from "../store/modules/global";
 import { setUser, patchUser, setHost, setOwner } from "../store/modules/user";
+import { getSystemColorScheme } from "../helpers/utils";
 
 const defaultSetting: Setting = {
   locale: "en",
-  appearance: "system",
+  appearance: getSystemColorScheme(),
   memoVisibility: "PRIVATE",
   memoDisplayTsOption: "created_ts",
 };
@@ -61,11 +61,15 @@ const userService = {
       }
     }
 
-    const { data: user } = (await api.getMyselfUser()).data;
-    if (user) {
-      store.dispatch(setUser(convertResponseModelUser(user)));
+    const { data } = (await api.getMyselfUser()).data;
+    if (data) {
+      const user = convertResponseModelUser(data);
+      store.dispatch(setUser(user));
       if (user.setting.locale) {
-        store.dispatch(setLocale(user.setting.locale));
+        globalService.setLocale(user.setting.locale);
+      }
+      if (user.setting.appearance) {
+        globalService.setAppearance(user.setting.appearance);
       }
     }
   },
diff --git a/web/src/store/modules/global.ts b/web/src/store/modules/global.ts
index 492b961..7c5ecd9 100644
--- a/web/src/store/modules/global.ts
+++ b/web/src/store/modules/global.ts
@@ -10,7 +10,7 @@ const globalSlice = createSlice({
   name: "global",
   initialState: {
     locale: "en",
-    appearance: "system",
+    appearance: "light",
     systemStatus: {
       host: undefined,
       profile: {
diff --git a/web/src/types/modules/setting.d.ts b/web/src/types/modules/setting.d.ts
index abf07b8..0468941 100644
--- a/web/src/types/modules/setting.d.ts
+++ b/web/src/types/modules/setting.d.ts
@@ -1,4 +1,4 @@
-type Appearance = "light" | "dark" | "system";
+type Appearance = "light" | "dark";
 
 interface Setting {
   locale: Locale;