diff --git a/packages/common/components/src/api/notice-user.ts b/packages/common/components/src/api/notice-user.ts
index fbbd6b9b1..aa8414955 100644
--- a/packages/common/components/src/api/notice-user.ts
+++ b/packages/common/components/src/api/notice-user.ts
@@ -70,14 +70,14 @@ const getNoticeUserList = async (
 };
 
 const getUnreadNoticeCount = async (recvUnqId: string) => {
-  const response = await client.get<PageableList<NoticeUser>>(
+  const response = await client.get<number>(
     `${ENDPOINT.CMS_SERVICE.NOTICE_USER}/${recvUnqId}/unread/count`,
   );
   return response.data;
 };
 
 const readNotice = async (notiId: number) => {
-  const response = await client.post(
+  const response = await client.put(
     `${ENDPOINT.CMS_SERVICE.NOTICE}/${notiId}/read`,
   );
   return response.data;
diff --git a/packages/common/components/src/ui/header/notice-popover.tsx b/packages/common/components/src/ui/header/notice-popover.tsx
index 121d28064..6ee35371b 100644
--- a/packages/common/components/src/ui/header/notice-popover.tsx
+++ b/packages/common/components/src/ui/header/notice-popover.tsx
@@ -92,7 +92,7 @@ export function NoticePopover() {
     <Popover open={open} onOpenChange={setOpen}>
       <PopoverTrigger asChild>
         <div className="flex w-full items-center gap-2 text-left">
-          알림 <Badge>{unreadNoticeCount?.totalElements ?? 0}</Badge>
+          알림 <Badge>{unreadNoticeCount ?? 0}</Badge>
         </div>
       </PopoverTrigger>
       <PopoverContent className="w-[32rem] border-border px-0">