diff --git a/client/src/components/CentralChartMenu/ExpandScreenBtn.tsx b/client/src/components/CentralChartMenu/ExpandScreenBtn.tsx
index 1ad92e1..19b3971 100644
--- a/client/src/components/CentralChartMenu/ExpandScreenBtn.tsx
+++ b/client/src/components/CentralChartMenu/ExpandScreenBtn.tsx
@@ -64,7 +64,7 @@ export default ExpandScreenBtn;
 // type 정의
 interface OwnProps {
   direction: string;
-  buttonHover: boolean;
+  buttonHover?: boolean; //build error 해결을 위해 ?를 붙였습니다
 }
 
 // component 생성
diff --git a/client/src/components/watchlist/StockItem.tsx b/client/src/components/watchlist/StockItem.tsx
index d454ace..089d23f 100644
--- a/client/src/components/watchlist/StockItem.tsx
+++ b/client/src/components/watchlist/StockItem.tsx
@@ -6,8 +6,6 @@ import useDeleteStar from '../../hooks/stars/useDeletestars';
 import { useDispatch } from 'react-redux';
 import { changeCompanyId } from "../../reducer/CompanyId-Reducer";
 
-
-
 import kia from '../../asset/logos/기아.svg';
 import dy from '../../asset/logos/디와이.jpeg';
 import logosamsung from '../../asset/logos/삼성전자.svg';