diff --git a/src/apis/instance.request.ts b/src/apis/instance.request.ts
index 591cbf1..c91db36 100644
--- a/src/apis/instance.request.ts
+++ b/src/apis/instance.request.ts
@@ -3,7 +3,7 @@ import returnFetch, { FetchArgs } from 'return-fetch';
 import { ENVS } from '@/constants';
 import { ServerNotRespondingError } from '@/errors';
 
-const ABORT_MS = 10000;
+const ABORT_MS = 5000;
 
 type ErrorType = {
   code: string;
diff --git a/src/app/(auth-required)/leaderboards/Content.tsx b/src/app/(auth-required)/leaderboards/Content.tsx
index 29e964b..0aa62d7 100644
--- a/src/app/(auth-required)/leaderboards/Content.tsx
+++ b/src/app/(auth-required)/leaderboards/Content.tsx
@@ -26,20 +26,18 @@ export const Content = () => {
   });
 
   const data = useMemo(() => {
-    const isUserBased = searchParams.based === 'user';
-    const isViewBased = searchParams.sort === 'viewCount';
+    const isUserBased = searchParams?.based === 'user';
+    const isViewBased = searchParams?.sort === 'viewCount';
 
-    const value = (isUserBased ? boards?.users : boards?.posts) as LeaderboardItemType[];
+    const value = ((isUserBased ? boards?.users : boards?.posts) || []) as LeaderboardItemType[];
 
-    return (
-      value.map(({ username, title, viewDiff, likeDiff, slug }) => ({
-        key: isUserBased ? username : title,
-        username,
-        url: URLS.VELOG + `/@${username}` + (isUserBased ? '/posts' : `/${slug}`),
-        value: isViewBased ? viewDiff : likeDiff,
-      })) || []
-    );
-  }, [boards, searchParams.based, searchParams.sort]);
+    return value.map(({ username, title, viewDiff, likeDiff, slug }) => ({
+      key: isUserBased ? username : title,
+      username,
+      url: URLS.VELOG + `/@${username}` + (isUserBased ? '/posts' : `/${slug}`),
+      value: isViewBased ? viewDiff : likeDiff,
+    }));
+  }, [boards, searchParams?.based, searchParams?.sort]);
 
   const handleChange = (param: Partial<searchParamsType>) => {
     startHolyLoader();
diff --git a/src/app/(auth-required)/main/Content.tsx b/src/app/(auth-required)/main/Content.tsx
index 778af3d..f24b7d4 100644
--- a/src/app/(auth-required)/main/Content.tsx
+++ b/src/app/(auth-required)/main/Content.tsx
@@ -48,7 +48,7 @@ export const Content = () => {
     fetchNextPage();
   }, [inView]);
 
-  const joinedPosts = useMemo(() => posts?.pages.flatMap((i) => i.posts), [posts]);
+  const joinedPosts = useMemo(() => posts?.pages.flatMap((i) => i.posts) || [], [posts]);
 
   return (
     <div className="flex w-full h-full gap-[30px] max-MBI:flex-col max-TBL:gap-[20px] overflow-hidden">