app.js

client/src/App.js

@@ -21,7 +21,7 @@ function App() {
   return (
     <div className="" style={{ backgroundColor: "black" }}>
       <AuthProvider>
-        <Router style={{ backgroundColor: "black" }}>
+        <Router>
           <SubNav />
           <Header />
           <MainNav />

client/src/components/Navs/SubNav.js

@@ -6,12 +6,10 @@ const SubNav = () => {
     return (
         <>  {(user) ?
             <nav className="nav justify-content-end py-1">
-                {(user.role === "member") 
-                ? <><Link className="nav-link text-white" to="/mypage">마이페이지</Link>
-                </>
-                : <Link className="nav-link text-white" to="/admin">관리자페이지</Link>}
+                {(user.role === "member")
+                    ? <Link className="nav-link text-white" to="/mypage">마이페이지</Link>
+                    : <Link className="nav-link text-white" to="/admin">관리자페이지</Link>}
                 <Link className="nav-link text-white" to="/" onClick={logout}>로그아웃 </Link>
-                {/* <a className="nav-link text-white" href="/mypage" onClick={logout}>로그아웃</a> */}
             </nav> :
             <nav className="nav justify-content-end py-1">
                 <Link className="nav-link text-white" to="/login">로그인</Link>