diff --git a/src/main/java/org/example/siljeun/domain/reservation/controller/WaitingQueueController.java b/src/main/java/org/example/siljeun/domain/reservation/controller/WaitingQueueController.java
index 03e4061..5803700 100644
--- a/src/main/java/org/example/siljeun/domain/reservation/controller/WaitingQueueController.java
+++ b/src/main/java/org/example/siljeun/domain/reservation/controller/WaitingQueueController.java
@@ -1,10 +1,10 @@
 package org.example.siljeun.domain.reservation.controller;
 
-import jakarta.validation.Valid;
 import lombok.RequiredArgsConstructor;
-import org.example.siljeun.domain.reservation.dto.request.AddQueueRequest;
 import org.example.siljeun.domain.reservation.service.WaitingQueueService;
+import org.springframework.messaging.Message;
 import org.springframework.messaging.handler.annotation.MessageMapping;
+import org.springframework.messaging.simp.SimpMessageHeaderAccessor;
 import org.springframework.web.bind.annotation.RestController;
 
 @RestController
@@ -14,9 +14,14 @@ public class WaitingQueueController {
   private final WaitingQueueService waitingQueueService;
 
   @MessageMapping("/addQueue")
-  public void addQueue(@Valid AddQueueRequest request) {
-    Long scheduleId = request.scheduleId();
-    String username = request.username();
+  public void addQueue(Message<?> message) {
+    SimpMessageHeaderAccessor accessor = SimpMessageHeaderAccessor.wrap(message);
+
+    String username = (String) accessor.getSessionAttributes().get("username");
+    Long scheduleId = Long.valueOf((String) accessor.getSessionAttributes().get("scheduleId"));
+
+    //Long scheduleId = request.scheduleId();
+    //String username = request.username();
     waitingQueueService.addWaitingQueue(scheduleId, username);
     System.out.println("연결 성공");
   }
diff --git a/src/main/java/org/example/siljeun/domain/reservation/entity/Reservation.java b/src/main/java/org/example/siljeun/domain/reservation/entity/Reservation.java
index b1ed8b5..f2032a2 100644
--- a/src/main/java/org/example/siljeun/domain/reservation/entity/Reservation.java
+++ b/src/main/java/org/example/siljeun/domain/reservation/entity/Reservation.java
@@ -70,7 +70,7 @@ public Reservation(User user, SeatScheduleInfo seatScheduleInfo) {
 
   public void updateTicketPrice(UpdatePriceRequest dto) {
     if (!StringUtils.isBlank(dto.ticketReceipt())) {
-      this.ticketReceipt = TicketReceipt.valueOf(dto.ticketReceipt());
+      this.ticketReceipt = TicketReceipt.valueOf(dto.ticketReceipt().toUpperCase());
     }
     if (!StringUtils.isBlank(dto.discount())) {
       this.discount = Discount.valueOf(dto.discount());
diff --git a/src/main/java/org/example/siljeun/domain/schedule/controller/SeatScheduleInfoController.java b/src/main/java/org/example/siljeun/domain/schedule/controller/SeatScheduleInfoController.java
index c862976..71b1296 100644
--- a/src/main/java/org/example/siljeun/domain/schedule/controller/SeatScheduleInfoController.java
+++ b/src/main/java/org/example/siljeun/domain/schedule/controller/SeatScheduleInfoController.java
@@ -18,7 +18,7 @@ public class SeatScheduleInfoController {
 
   private final SeatScheduleInfoService seatScheduleInfoService;
 
-  @PostMapping("/seat-schedule-info/{seatScheduleInfoId}")
+  @PostMapping("/seat-schedule-infos/{seatScheduleInfoId}")
   public ResponseEntity<String> selectSeat(
       @PathVariable Long seatScheduleInfoId,
       @AuthenticationPrincipal PrincipalDetails userDetails
@@ -28,7 +28,7 @@ public ResponseEntity<String> selectSeat(
     return ResponseEntity.ok("좌석이 선택되었습니다.");
   }
 
-  @GetMapping("/schedule/{scheduleId}/seat-schedule-info")
+  @GetMapping("/schedules/{scheduleId}/seat-schedule-infos")
   public ResponseEntity<Map<String, String>> getSeatScheduleInfos(
       @PathVariable Long scheduleId
   ) {
diff --git a/src/main/resources/stomp_send_frame_with_null_octet.bin b/src/main/resources/stomp_send_frame_with_null_octet.bin
new file mode 100644
index 0000000..585014f
Binary files /dev/null and b/src/main/resources/stomp_send_frame_with_null_octet.bin differ