diff --git a/bitgouel-api/src/main/kotlin/team/msg/domain/auth/presentation/AuthController.kt b/bitgouel-api/src/main/kotlin/team/msg/domain/auth/presentation/AuthController.kt
index 1a2cbe99e..1936af73a 100644
--- a/bitgouel-api/src/main/kotlin/team/msg/domain/auth/presentation/AuthController.kt
+++ b/bitgouel-api/src/main/kotlin/team/msg/domain/auth/presentation/AuthController.kt
@@ -22,37 +22,43 @@ class AuthController(
 ) {
     @PostMapping("/student")
     fun studentSignUp(@RequestBody @Valid webRequest: StudentSignUpWebRequest): ResponseEntity<Void> {
-        authService.studentSignUp(authRequestMapper.studentSignUpWebRequestToDto(webRequest))
+        val request = authRequestMapper.studentSignUpWebRequestToDto(webRequest)
+        authService.studentSignUp(request)
         return ResponseEntity.status(HttpStatus.CREATED).build()
     }
 
     @PostMapping("/teacher")
     fun teacherSignUp(@RequestBody @Valid webRequest: TeacherSignUpWebRequest): ResponseEntity<Void> {
-        authService.teacherSignUp(authRequestMapper.teacherSignUpWebRequestToDto(webRequest))
+        val request = authRequestMapper.teacherSignUpWebRequestToDto(webRequest)
+        authService.teacherSignUp(request)
         return ResponseEntity.status(HttpStatus.CREATED).build()
     }
 
     @PostMapping("/professor")
     fun professorSignUp(@RequestBody @Valid webRequest: ProfessorSignUpWebRequest): ResponseEntity<Void> {
-        authService.professorSignUp(authRequestMapper.professorSignUpWebRequestToDto(webRequest))
+        val request = authRequestMapper.professorSignUpWebRequestToDto(webRequest)
+        authService.professorSignUp(request)
         return ResponseEntity.status(HttpStatus.CREATED).build()
     }
 
     @PostMapping("/government")
     fun governmentSignUp(@RequestBody @Valid webRequest: GovernmentSignUpWebRequest): ResponseEntity<Void> {
-        authService.governmentSignUp(authRequestMapper.governmentSignUpWebRequestToDto(webRequest))
+        val request = authRequestMapper.governmentSignUpWebRequestToDto(webRequest)
+        authService.governmentSignUp(request)
         return ResponseEntity.status(HttpStatus.CREATED).build()
     }
 
     @PostMapping("/company-instructor")
     fun companyInstructorSignUp(@RequestBody @Valid webRequest: CompanyInstructorSignUpWebRequest): ResponseEntity<Void> {
-        authService.companyInstructorSignUp(authRequestMapper.companyInstructorSignUpWebRequestToDto(webRequest))
+        val request = authRequestMapper.companyInstructorSignUpWebRequestToDto(webRequest)
+        authService.companyInstructorSignUp(request)
         return ResponseEntity.status(HttpStatus.CREATED).build()
     }
 
     @PostMapping("/login")
     fun login(@RequestBody @Valid webRequest: LoginWebRequest): ResponseEntity<TokenResponse> {
-        val response = authService.login(authRequestMapper.loginWebRequestToDto(webRequest))
+        val request = authRequestMapper.loginWebRequestToDto(webRequest)
+        val response = authService.login(request)
         return ResponseEntity.ok(response)
     }
 
diff --git a/bitgouel-api/src/main/kotlin/team/msg/domain/lecture/presentation/LectureController.kt b/bitgouel-api/src/main/kotlin/team/msg/domain/lecture/presentation/LectureController.kt
index 3347dd038..bc19f9bd1 100644
--- a/bitgouel-api/src/main/kotlin/team/msg/domain/lecture/presentation/LectureController.kt
+++ b/bitgouel-api/src/main/kotlin/team/msg/domain/lecture/presentation/LectureController.kt
@@ -19,7 +19,8 @@ class LectureController(
 ) {
     @PostMapping
     fun createLecture(@Valid @RequestBody webRequest: CreateLectureWebRequest): ResponseEntity<Void> {
-        lectureService.createLecture(lectureRequestMapper.createLectureWebRequestToDto(webRequest))
+        val request = lectureRequestMapper.createLectureWebRequestToDto(webRequest)
+        lectureService.createLecture(request)
         return ResponseEntity.status(HttpStatus.CREATED).build()
     }
 }
\ No newline at end of file
diff --git a/bitgouel-api/src/main/kotlin/team/msg/domain/student/presentation/StudentActivityController.kt b/bitgouel-api/src/main/kotlin/team/msg/domain/student/presentation/StudentActivityController.kt
index edd6b7b8b..790f1c647 100644
--- a/bitgouel-api/src/main/kotlin/team/msg/domain/student/presentation/StudentActivityController.kt
+++ b/bitgouel-api/src/main/kotlin/team/msg/domain/student/presentation/StudentActivityController.kt
@@ -19,7 +19,8 @@ class StudentActivityController(
 ) {
     @PostMapping
     fun createStudentActivity(@RequestBody @Valid webRequest: CreateStudentActivityWebRequest): ResponseEntity<Void> {
-        studentActivityService.createStudentActivity(studentActivityMapper.createStudentActivityWebRequestToDto(webRequest))
+        val request = studentActivityMapper.createStudentActivityWebRequestToDto(webRequest)
+        studentActivityService.createStudentActivity(request)
         return ResponseEntity.status(HttpStatus.CREATED).build()
     }
 }
\ No newline at end of file