diff --git a/app/src/app/camera/page.tsx b/app/src/app/camera/page.tsx
index 37ff42e..df48474 100644
--- a/app/src/app/camera/page.tsx
+++ b/app/src/app/camera/page.tsx
@@ -88,7 +88,7 @@ const CameraApp = () => {
 		todayAssignment | undefined
 	>();
 	const [assignments, setAssignments] = useState<todayAssignment[]>([]);
-	const [isActive, setIsActive] = useState<boolean>(true);
+	const [isActive, setIsActive] = useState<boolean>(false);
 	const [isPointDialogOpen, _] = usePointDialog();
 	const openDialog = useOpenPointDialog();
 	const [loginUser, setLoginUser] = useState<User>();
diff --git a/app/src/lib/signInAndUp.ts b/app/src/lib/signInAndUp.ts
index 6d60edb..765ebaf 100644
--- a/app/src/lib/signInAndUp.ts
+++ b/app/src/lib/signInAndUp.ts
@@ -16,7 +16,6 @@ export const signInOrUp = async (firebaseUser: FirebaseUser) => {
 
 		if (res.status === 200) {
 			const userData = await res.json();
-
 			const user: DBUser = { ...userData };
 
 			if (userData) {
@@ -28,6 +27,8 @@ export const signInOrUp = async (firebaseUser: FirebaseUser) => {
 			}
 		} else if (res.status === 404) {
 			await signUp(firebaseUser);
+			// サインアップ後にユーザー情報を取得してログイン処理を行う
+			await signInOrUp(firebaseUser);
 		} else {
 			console.error(`Unexpected status code: ${res.status}`);
 		}
@@ -46,14 +47,11 @@ const signUp = async (user: User) => {
 			body: JSON.stringify(user),
 		});
 
-		const resUser = await res.json();
-
-		if (resUser) {
-			storeStorageUser(resUser);
-			toRoot();
-		} else {
-			throw new Error("ユーザー登録に失敗");
+		if (res.status === 200) {
+			// ユーザー登録が成功した場合は何もせず戻る
+			return;
 		}
+		throw new Error("ユーザー登録に失敗");
 	} catch (error) {
 		console.error("エラーが発生しました:", error);
 	}
@@ -81,4 +79,4 @@ const createExp = async (userId: number) => {
 
 const toRoot = () => {
 	window.location.href = "/";
-};
+};
\ No newline at end of file