diff --git a/src/components/flight/NewFlightApprovalsTable.js b/src/components/flight/NewFlightApprovalsTable.js
index c68b4cfd..1a3b626a 100644
--- a/src/components/flight/NewFlightApprovalsTable.js
+++ b/src/components/flight/NewFlightApprovalsTable.js
@@ -43,6 +43,13 @@ export default function NewFlightApprovalsTable(props) {
   // 수정 키 확인
   const isEditing = record => record.key === editingKey;
 
+  useEffect(() => {
+    // 특정 클래스의 요소에 커스텀 클래스 추가
+    document.querySelectorAll('.ant-table-expanded-row').forEach(row => {
+      row.classList.add('expanded-tr');
+    });
+  }, [expandedRowKeys]);
+
   useEffect(() => {
     let approvalCdValue = { S: 0, F: 0, C: 0, U: 0 };