diff --git a/src/features/auth/ui/login-modal.tsx b/src/features/auth/ui/login-modal.tsx
index 527cf2cc..34369ae7 100644
--- a/src/features/auth/ui/login-modal.tsx
+++ b/src/features/auth/ui/login-modal.tsx
@@ -24,9 +24,11 @@ export default function LoginModal({
   }
 
   const isLocal = origin.includes('localhost') || origin.includes('127.0.0.1'); // 로컬환경 테스트용
+  localStorage.setItem('isLocal', JSON.stringify(isLocal));
 
+  console.log("로컬 환경 여부", isLocal);
   const API_BASE_URL = isLocal
-    ? 'test-api.zeroone.it.kr'
+    ? 'https://test-api.zeroone.it.kr'
     : process.env.NEXT_PUBLIC_API_BASE_URL;
 
   const KAKAO_CLIENT_ID = isLocal
diff --git a/src/features/study/ui/today-study-card.tsx b/src/features/study/ui/today-study-card.tsx
index 22e4ca59..cf9cfefd 100644
--- a/src/features/study/ui/today-study-card.tsx
+++ b/src/features/study/ui/today-study-card.tsx
@@ -25,11 +25,11 @@ export default function TodayStudyCard({ date }: Props) {
   const params = {
     year: date.getFullYear(),
     month: date.getMonth() + 1,
-    day: date.getDate(),
+    day: date.getDate() + 1,
   };
 
-  const { data, isLoading, error } = useDailyStudyDetailQuery(params);
 
+  const { data, isLoading, error } = useDailyStudyDetailQuery(params);
   if (isLoading) return <div>로딩 중...</div>;
   if (error || !data) return <div>에러 발생</div>;
 
diff --git a/src/widgets/home/study-list-table.tsx b/src/widgets/home/study-list-table.tsx
index 725a841b..cc4ea886 100644
--- a/src/widgets/home/study-list-table.tsx
+++ b/src/widgets/home/study-list-table.tsx
@@ -71,7 +71,7 @@ function mapDailyStudyToDisplayData(
 export default function StudyListSection({ date }: Props) {
   const year = date.getFullYear();
   const month = date.getMonth() + 1;
-  const day = date.getDate();
+  const day = date.getDate() +1;
 
   const { data, isLoading, error } = useDailyStudiesQuery({
     cursor: 0,