diff --git a/backend/src/main/java/com/example/backend/dashboard/controller/DashboardController.java b/backend/src/main/java/com/example/backend/dashboard/controller/DashboardController.java
index e48da81b..84e36efc 100644
--- a/backend/src/main/java/com/example/backend/dashboard/controller/DashboardController.java
+++ b/backend/src/main/java/com/example/backend/dashboard/controller/DashboardController.java
@@ -36,7 +36,7 @@ public ResponseEntity<?> getCaseVideo(@PathVariable("id") int id, HttpSession se
     public ResponseEntity<?> updateCaseState(@PathVariable("id") int id,
                                              @RequestBody StateRequest request,
                                              HttpSession session) {
-        Map<Integer, String> message = dashboardService.updateCaseState(id, request, session);
+        Map<String, String> message = dashboardService.updateCaseState(id, request, session);
         return ResponseEntity.ok(message);
     }
 
@@ -45,7 +45,7 @@ public ResponseEntity<?> updateCaseState(@PathVariable("id") int id,
     public ResponseEntity<?> completeCase(@PathVariable("id")  int id,
                                           @RequestBody SurveyRequest surveyRequest,
                                           HttpSession session) {
-        Map<Integer, String> completedCase = dashboardService.completeCase(id, surveyRequest, session);
+        Map<String, String> completedCase = dashboardService.completeCase(id, surveyRequest, session);
         return ResponseEntity.ok(completedCase);
     }
 
diff --git a/backend/src/main/java/com/example/backend/dashboard/service/DashboardService.java b/backend/src/main/java/com/example/backend/dashboard/service/DashboardService.java
index b1b5b6af..d8c254cf 100644
--- a/backend/src/main/java/com/example/backend/dashboard/service/DashboardService.java
+++ b/backend/src/main/java/com/example/backend/dashboard/service/DashboardService.java
@@ -98,7 +98,7 @@ public Map<String, String> getCaseVideo(int id, HttpSession session) {
     }
 
     // 출동, 미출동 상태 변경
-    public Map<Integer, String> updateCaseState(int id, StateRequest request, HttpSession session) {
+    public Map<String, String> updateCaseState(int id, StateRequest request, HttpSession session) {
         CaseEntity caseEntity = getAuthorizedCase(id, session);
         int policeId = getAuthenticatedPoliceId(session);
 
@@ -131,7 +131,7 @@ public Map<Integer, String> updateCaseState(int id, StateRequest request, HttpSe
 
             dashboardRepository.save(caseEntity);
 
-            return Collections.singletonMap(id, "지금 출동합니다.");
+            return Collections.singletonMap("message", "지금 출동합니다.");
         } else {
             // 미출동 처리
             caseEntity.setState(CaseEntity.CaseState.미출동);
@@ -143,12 +143,12 @@ public Map<Integer, String> updateCaseState(int id, StateRequest request, HttpSe
 
             dashboardRepository.save(caseEntity);
 
-            return Collections.singletonMap(id, "미출동 사건으로 변경합니다.");
+            return Collections.singletonMap("message", "미출동 사건으로 변경합니다.");
         }
     }
 
     // 출동 중인 사건 해결 처리
-    public Map<Integer, String> completeCase(int id, SurveyRequest surveyRequest, HttpSession session) {
+    public Map<String, String> completeCase(int id, SurveyRequest surveyRequest, HttpSession session) {
         CaseEntity caseEntity = getAuthorizedCase(id, session);
 
         if (caseEntity.getState() != CaseEntity.CaseState.출동) {
@@ -164,6 +164,6 @@ public Map<Integer, String> completeCase(int id, SurveyRequest surveyRequest, Ht
 
         dashboardRepository.save(caseEntity);
 
-        return Collections.singletonMap(id, "해당 사건이 해결 처리되었습니다.");
+        return Collections.singletonMap("message", "해당 사건이 해결 처리되었습니다.");
     }
 }
diff --git a/backend/src/main/java/com/example/backend/user/controller/UserController.java b/backend/src/main/java/com/example/backend/user/controller/UserController.java
index e5eb1a10..cc8332b1 100644
--- a/backend/src/main/java/com/example/backend/user/controller/UserController.java
+++ b/backend/src/main/java/com/example/backend/user/controller/UserController.java
@@ -8,6 +8,8 @@
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.*;
 
+import java.util.Collections;
+
 @RestController
 @RequestMapping("/api/v1")
 @RequiredArgsConstructor
@@ -33,4 +35,18 @@ public ResponseEntity<?> getSessionUser(HttpSession session) {
         }
         return ResponseEntity.ok(user);
     }
+
+    // 로그아웃 API
+    @PostMapping("/logout")
+    public ResponseEntity<?> authLogout(HttpSession session) {
+        // 세션에서 사용자 정보 가져오기
+        UserResponseDto user = (UserResponseDto) session.getAttribute("user");
+        if (user == null) {
+            throw new IllegalStateException("이미 로그아웃 상태입니다.");
+        }
+        // 세션에 사용자 정보 삭제
+        session.removeAttribute("user");
+
+        return ResponseEntity.ok(Collections.singletonMap("message", "로그아웃 성공"));
+    }
 }