[EDIT]プロフィールの編集

src/main/resources/templates/profile.html

@@ -51,12 +51,13 @@
 			</form>
 		</div>
 		
-			<form th:action="@{/login}" method="post">
+			<form th:action="@{/logout}" method="post">
 				<button type="submit">ログアウト</button>
 			</form>
 			
-			<form th:action="@{/aaa}" method="post">
-				<button type="submit">脱退</button>
+			<form th:action="@{/withdraw}" method="post"
+			      onsubmit="return confirm('本当に脱退しますか？');">
+			    <button type="submit">脱退</button>
 			</form>
 		</main>
 </body>