버튼 로직 추가

client/src/components/Schedule/ScheduleCarousel.js

@@ -32,6 +32,7 @@ const ScheduleCarousel = () => {
                             <KU schedule={schedule} />
                         </div>) : null}
             </div>
+            {scheduleList.length > 1 ? <>
                 <button className="carousel-control-prev" type="button" data-bs-target="#scheduleListCarousel" data-bs-slide="prev">
                     <span className="carousel-control-prev-icon" aria-hidden="true"></span>
                     <span className="visually-hidden">Previous</span>
@@ -40,6 +41,7 @@ const ScheduleCarousel = () => {
                     <span className="carousel-control-next-icon" aria-hidden="true"></span>
                     <span className="visually-hidden">Next</span>
                 </button>
+            </> : null}
         </div>
     )
 }