fix: 클래스별 매출 페이지 그래프-쿼리 무효화 적용

src/pages/mypage/SalesYear.tsx

@@ -2,17 +2,22 @@ import { useNavigate, useParams } from 'react-router-dom';
 import { Topbar } from '../../components/common/Topbar';
 import { LineChart } from '../../components/molecules/LineChart';
 import { Calculator } from '../../components/molecules/Calculator';
-import { useQuery } from '@tanstack/react-query';
+import { useQuery, useQueryClient } from '@tanstack/react-query';
 import { ApiClient } from '../../apis/apiClient';
 import { useEffect, useMemo } from 'react';
 
 export const SalesYear = () => {
   const { year, lesson_id } = useParams<{ year: string; lesson_id: string }>();
   const navigate = useNavigate();
+  const queryClient = useQueryClient();
+
+  useEffect(() => {
+    queryClient.invalidateQueries({ queryKey: ['lessonRevenue', lesson_id] });
+  }, [year, lesson_id, queryClient]);
 
   // api 호출
   const { data: lessonRevenue } = useQuery({
-    queryKey: ['monthRevenue', lesson_id],
+    queryKey: ['lessonRevenue', lesson_id],
     queryFn: async () => {
       const response = await ApiClient.getInstance().getLessonRevenue(
         Number(year),