diff --git a/src/components/rankingBox/RankingBox.jsx b/src/components/rankingBox/RankingBox.jsx
index 2488d26..b10bcfd 100644
--- a/src/components/rankingBox/RankingBox.jsx
+++ b/src/components/rankingBox/RankingBox.jsx
@@ -3,7 +3,9 @@ import * as S from "./styled";
 export const RankingBox = ({ NuguIntroRank }) => {
   const rank = [2, 1, 3];
   const isNuguIntroRank =
-    Object.keys(NuguIntroRank).length > 0 ? NuguIntroRank : null;
+    NuguIntroRank && Object.keys(NuguIntroRank).length > 0
+      ? NuguIntroRank
+      : null;
   return (
     <S.RankingContainer>
       {rank.map((item) => {
diff --git a/src/pages/nuguIntro/NuguIntro.jsx b/src/pages/nuguIntro/NuguIntro.jsx
index 64fd273..484ced2 100644
--- a/src/pages/nuguIntro/NuguIntro.jsx
+++ b/src/pages/nuguIntro/NuguIntro.jsx
@@ -29,7 +29,8 @@ export const NuguIntro = () => {
     fetchData();
   }, [uuid]);
 
-  const isNuguIntro = Object.keys(introList).length > 0 ? introList : null;
+  const isNuguIntro =
+    introList && Object.keys(introList).length > 0 ? introList : null;
   console.log("isNuguIntro", isNuguIntro);
   const moveOnintro = () => {
     navigate(`/nuguIntro/write/${uuid}`);