diff --git a/src/apis/challenge/postCreateChallenge.ts b/src/apis/challenge/postCreateChallenge.ts
index 6b7c989..8311dfc 100644
--- a/src/apis/challenge/postCreateChallenge.ts
+++ b/src/apis/challenge/postCreateChallenge.ts
@@ -23,7 +23,7 @@ export const useCreateChallenge = () => {
     mutationFn: () => postCreateChallenge(challengeDate),
     onSettled: () =>
       queryClient.invalidateQueries({
-        queryKey: [API.CHALLENGE.STARTDATE],
+        queryKey: [API.CHALLENGE.TODAY],
       }),
   });
 };
diff --git a/src/pages/MainPage.tsx b/src/pages/MainPage.tsx
index 427ee21..ea4955d 100644
--- a/src/pages/MainPage.tsx
+++ b/src/pages/MainPage.tsx
@@ -22,7 +22,12 @@ const MainPage = () => {
   const { openModal, isOpen } = useModalStore();
 
   useEffect(() => {
-    if (!isOpen && !familyLoading && familyList?.length === 1) {
+    if (
+      !isOpen &&
+      !familyLoading &&
+      familyList?.length === 1 &&
+      queryData['code']
+    ) {
       openModal({
         content: <InviteModal code={queryData['code'] as string} />,
         showCloseBtn: true,