diff --git a/components/LanguageSwitcher.tsx b/components/LanguageSwitcher.tsx
index 28f3cdf..2febc2f 100644
--- a/components/LanguageSwitcher.tsx
+++ b/components/LanguageSwitcher.tsx
@@ -9,16 +9,17 @@ import {
 } from "@/components/ui/dropdown-menu";
 import { localeItems } from "@/i18n-metadata";
 import { setUserLocale } from "@/i18n/locale";
+import { CheckCircleIcon } from "@heroicons/react/20/solid";
 import { useLocale } from "next-intl";
 import * as React from "react";
 
 export function LanguageSwitcher() {
   const locale = useLocale();
 
-  function onChange(value: string) {
-    const locale = value;
-    setUserLocale(locale);
-  }
+  const handleSelect = (e: Event, newLocale: string) => {
+    e.preventDefault(); // 阻止默认的关闭行为
+    setUserLocale(newLocale);
+  };
 
   return (
     <DropdownMenu>
@@ -32,10 +33,15 @@ export function LanguageSwitcher() {
           <span className="sr-only">Change language</span>
         </Button>
       </DropdownMenuTrigger>
-      <DropdownMenuContent align="end">
+      <DropdownMenuContent className="flex flex-col gap-0.5" align="end">
         {localeItems.map((item) => (
-          <DropdownMenuItem key={item.code} onClick={() => onChange(item.code)}>
-            {item.name}
+          <DropdownMenuItem
+            key={item.code}
+            onSelect={(e) => handleSelect(e, item.code)}
+            className={locale === item.code ? "bg-muted gap-3" : ""}
+          >
+            {item.name}{" "}
+            {locale === item.code && <CheckCircleIcon className="size-4" />}
           </DropdownMenuItem>
         ))}
       </DropdownMenuContent>
diff --git a/components/ThemeSwitcher.tsx b/components/ThemeSwitcher.tsx
index c2f41a6..2daabf1 100644
--- a/components/ThemeSwitcher.tsx
+++ b/components/ThemeSwitcher.tsx
@@ -7,14 +7,21 @@ import {
   DropdownMenuItem,
   DropdownMenuTrigger,
 } from "@/components/ui/dropdown-menu";
+import { cn } from "@/lib/utils";
+import { CheckCircleIcon } from "@heroicons/react/20/solid";
 import { Moon, Sun } from "lucide-react";
 import { useTranslations } from "next-intl";
 import { useTheme } from "next-themes";
-import * as React from "react";
 
 export function ModeToggle() {
-  const { setTheme } = useTheme();
+  const { setTheme, theme } = useTheme();
   const t = useTranslations("ThemeSwitcher");
+
+  const handleSelect = (e: Event, newTheme: string) => {
+    e.preventDefault();
+    setTheme(newTheme);
+  };
+
   return (
     <DropdownMenu>
       <DropdownMenuTrigger asChild>
@@ -28,15 +35,27 @@ export function ModeToggle() {
           <span className="sr-only">Toggle theme</span>
         </Button>
       </DropdownMenuTrigger>
-      <DropdownMenuContent align="end">
-        <DropdownMenuItem onClick={() => setTheme("light")}>
-          {t("Light")}
+      <DropdownMenuContent className="flex flex-col gap-0.5" align="end">
+        <DropdownMenuItem
+          className={cn({ "gap-3 bg-muted": theme === "light" })}
+          onSelect={(e) => handleSelect(e, "light")}
+        >
+          {t("Light")}{" "}
+          {theme === "light" && <CheckCircleIcon className="size-4" />}
         </DropdownMenuItem>
-        <DropdownMenuItem onClick={() => setTheme("dark")}>
-          {t("Dark")}
+        <DropdownMenuItem
+          className={cn({ "gap-3 bg-muted": theme === "dark" })}
+          onSelect={(e) => handleSelect(e, "dark")}
+        >
+          {t("Dark")}{" "}
+          {theme === "dark" && <CheckCircleIcon className="size-4" />}
         </DropdownMenuItem>
-        <DropdownMenuItem onClick={() => setTheme("system")}>
-          {t("System")}
+        <DropdownMenuItem
+          className={cn({ "gap-3 bg-muted": theme === "system" })}
+          onSelect={(e) => handleSelect(e, "system")}
+        >
+          {t("System")}{" "}
+          {theme === "system" && <CheckCircleIcon className="size-4" />}
         </DropdownMenuItem>
       </DropdownMenuContent>
     </DropdownMenu>
diff --git a/components/ui/dropdown-menu.tsx b/components/ui/dropdown-menu.tsx
index ab39dec..6ce8530 100644
--- a/components/ui/dropdown-menu.tsx
+++ b/components/ui/dropdown-menu.tsx
@@ -64,7 +64,7 @@ const DropdownMenuContent = React.forwardRef<
       ref={ref}
       sideOffset={sideOffset}
       className={cn(
-        "z-50 overflow-hidden rounded-md border bg-popover p-1 text-popover-foreground shadow-lg shadow-neutral-200/50 dark:shadow-none data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2",
+        "z-50 overflow-hidden rounded-md border bg-popover p-1.5 text-popover-foreground shadow-2xl dark:shadow-none data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2",
         className,
       )}
       {...props}
@@ -82,7 +82,7 @@ const DropdownMenuItem = React.forwardRef<
   <DropdownMenuPrimitive.Item
     ref={ref}
     className={cn(
-      "relative flex cursor-default select-none items-center rounded-sm px-2 py-1.5 text-xs font-medium outline-none transition-colors focus:bg-accent focus:text-accent-foreground data-[disabled]:pointer-events-none data-[disabled]:opacity-50",
+      "relative flex cursor-default select-none items-center rounded-[10px] px-2 py-1.5 text-xs font-medium outline-none transition-colors focus:bg-accent focus:text-accent-foreground data-[disabled]:pointer-events-none data-[disabled]:opacity-50",
       inset && "pl-8",
       className,
     )}