diff --git a/src/main/java/com/trendithon/timetris/domain/mainpage/controller/CategoryController.java b/src/main/java/com/trendithon/timetris/domain/mainpage/controller/CategoryController.java
index a264818..d925eaf 100644
--- a/src/main/java/com/trendithon/timetris/domain/mainpage/controller/CategoryController.java
+++ b/src/main/java/com/trendithon/timetris/domain/mainpage/controller/CategoryController.java
@@ -25,9 +25,7 @@ public class CategoryController {
     private final CategoryService categoryService;
     private final TokenProvider tokenProvider;
 
-    @GetMapping("")
-    public ApiResponse<List<CategoryViewDTO>> readCategoryAll(HttpServletRequest request)
-    {
+    public long getUserId(HttpServletRequest request){
         String accessToken = tokenProvider.extractAccessToken(request).orElse(null);
 
         Long userId = null;
@@ -35,12 +33,19 @@ public ApiResponse<List<CategoryViewDTO>> readCategoryAll(HttpServletRequest req
         if (accessToken != null) {
             userId = tokenProvider.extractId(accessToken).orElse(null);
         } else {
-            return ApiResponse.failure(ErrorStatus.NOT_LOGIN_ERROR);
+            throw new CustomException(ErrorStatus.NOT_LOGIN_ERROR);
 
         }
         if(userId == null) {
             throw new CustomException(ErrorStatus.USER_NOT_FOUND_ERROR);
         }
+        return userId;
+    }
+
+    @GetMapping("")
+    public ApiResponse<List<CategoryViewDTO>> readCategoryAll(HttpServletRequest request)
+    {
+        long userId = getUserId(request);
 
         List<CategoryViewDTO> categoryList = categoryService.readCategoryAll(userId);
         return ApiResponse.success(SuccessStatus.OK, categoryList);
@@ -50,19 +55,7 @@ public ApiResponse<List<CategoryViewDTO>> readCategoryAll(HttpServletRequest req
     public ApiResponse<CategoryRequestDTO> createCategory(HttpServletRequest request,
                                       @RequestBody CategoryRequestDTO categoryRequestDTO)
     {
-        String accessToken = tokenProvider.extractAccessToken(request).orElse(null);
-
-        Long userId = null;
-
-        if (accessToken != null) {
-            userId = tokenProvider.extractId(accessToken).orElse(null);
-        } else {
-            return ApiResponse.failure(ErrorStatus.NOT_LOGIN_ERROR);
-
-        }
-        if(userId == null) {
-            throw new CustomException(ErrorStatus.USER_NOT_FOUND_ERROR);
-        }
+        long userId = getUserId(request);
 
         Category category = categoryService.createCategory(userId, categoryRequestDTO);
         if (category == null){
@@ -76,19 +69,7 @@ public ApiResponse<CategoryRequestDTO> updateCategory(HttpServletRequest request
                                       @PathVariable long categoryId,
                                       @RequestBody CategoryRequestDTO categoryRequestDTO)
     {
-        String accessToken = tokenProvider.extractAccessToken(request).orElse(null);
-
-        Long userId = null;
-
-        if (accessToken != null) {
-            userId = tokenProvider.extractId(accessToken).orElse(null);
-        } else {
-            return ApiResponse.failure(ErrorStatus.NOT_LOGIN_ERROR);
-
-        }
-        if(userId == null) {
-            throw new CustomException(ErrorStatus.USER_NOT_FOUND_ERROR);
-        }
+        long userId = getUserId(request);
 
         categoryService.updateCategory(userId, categoryId, categoryRequestDTO);
         return ApiResponse.success(SuccessStatus.OK, categoryRequestDTO);
@@ -98,19 +79,7 @@ public ApiResponse<CategoryRequestDTO> updateCategory(HttpServletRequest request
     public ApiResponse deleteCategory(HttpServletRequest request,
                                       @PathVariable long categoryId)
     {
-        String accessToken = tokenProvider.extractAccessToken(request).orElse(null);
-
-        Long userId = null;
-
-        if (accessToken != null) {
-            userId = tokenProvider.extractId(accessToken).orElse(null);
-        } else {
-            return ApiResponse.failure(ErrorStatus.NOT_LOGIN_ERROR);
-
-        }
-        if(userId == null) {
-            throw new CustomException(ErrorStatus.USER_NOT_FOUND_ERROR);
-        }
+        long userId = getUserId(request);
 
         categoryService.deleteCategory(userId, categoryId);
         return ApiResponse.success(SuccessStatus.OK);
diff --git a/src/main/java/com/trendithon/timetris/domain/mainpage/controller/DoController.java b/src/main/java/com/trendithon/timetris/domain/mainpage/controller/DoController.java
index 9397e2a..04ce76f 100644
--- a/src/main/java/com/trendithon/timetris/domain/mainpage/controller/DoController.java
+++ b/src/main/java/com/trendithon/timetris/domain/mainpage/controller/DoController.java
@@ -23,10 +23,7 @@ public class DoController {
     private final DoService doService;
     private final TokenProvider tokenProvider;
 
-    @PostMapping("")
-    public ApiResponse createDo(HttpServletRequest request,
-                                @RequestBody DoRequestDTO doRequestDTO)
-    {
+    public long getUserId(HttpServletRequest request){
         String accessToken = tokenProvider.extractAccessToken(request).orElse(null);
 
         Long userId = null;
@@ -34,12 +31,20 @@ public ApiResponse createDo(HttpServletRequest request,
         if (accessToken != null) {
             userId = tokenProvider.extractId(accessToken).orElse(null);
         } else {
-            return ApiResponse.failure(ErrorStatus.NOT_LOGIN_ERROR);
+            throw new CustomException(ErrorStatus.NOT_LOGIN_ERROR);
 
         }
         if(userId == null) {
             throw new CustomException(ErrorStatus.USER_NOT_FOUND_ERROR);
         }
+        return userId;
+    }
+
+    @PostMapping("")
+    public ApiResponse createDo(HttpServletRequest request,
+                                @RequestBody DoRequestDTO doRequestDTO)
+    {
+        long userId = getUserId(request);
 
         Do done = doService.createDo(userId, doRequestDTO);
         if (done == null){
@@ -53,19 +58,7 @@ public ApiResponse updateDo(HttpServletRequest request,
                                 @PathVariable long doId,
                                 @RequestBody DoRequestDTO doRequestDTO)
     {
-        String accessToken = tokenProvider.extractAccessToken(request).orElse(null);
-
-        Long userId = null;
-
-        if (accessToken != null) {
-            userId = tokenProvider.extractId(accessToken).orElse(null);
-        } else {
-            return ApiResponse.failure(ErrorStatus.NOT_LOGIN_ERROR);
-
-        }
-        if(userId == null) {
-            throw new CustomException(ErrorStatus.USER_NOT_FOUND_ERROR);
-        }
+        long userId = getUserId(request);
 
         doService.updateDo(userId, doId, doRequestDTO);
         return ApiResponse.success(SuccessStatus.OK);
@@ -75,19 +68,7 @@ public ApiResponse updateDo(HttpServletRequest request,
     public ApiResponse deleteDo(HttpServletRequest request,
                                 @PathVariable long doId)
     {
-        String accessToken = tokenProvider.extractAccessToken(request).orElse(null);
-
-        Long userId = null;
-
-        if (accessToken != null) {
-            userId = tokenProvider.extractId(accessToken).orElse(null);
-        } else {
-            return ApiResponse.failure(ErrorStatus.NOT_LOGIN_ERROR);
-
-        }
-        if(userId == null) {
-            throw new CustomException(ErrorStatus.USER_NOT_FOUND_ERROR);
-        }
+        long userId = getUserId(request);
 
         doService.deleteDo(userId, doId);
         return ApiResponse.success(SuccessStatus.OK);
diff --git a/src/main/java/com/trendithon/timetris/domain/mainpage/controller/PlanController.java b/src/main/java/com/trendithon/timetris/domain/mainpage/controller/PlanController.java
index 1525602..0e8f6c8 100644
--- a/src/main/java/com/trendithon/timetris/domain/mainpage/controller/PlanController.java
+++ b/src/main/java/com/trendithon/timetris/domain/mainpage/controller/PlanController.java
@@ -25,10 +25,7 @@ public class PlanController {
     private final PlanService planService;
     private final TokenProvider tokenProvider;
 
-    @PostMapping("")
-    public ApiResponse createPlan(HttpServletRequest request,
-                                        @RequestBody PlanRequestDTO planRequestDTO)
-    {
+    public long getUserId(HttpServletRequest request){
         String accessToken = tokenProvider.extractAccessToken(request).orElse(null);
 
         Long userId = null;
@@ -36,12 +33,20 @@ public ApiResponse createPlan(HttpServletRequest request,
         if (accessToken != null) {
             userId = tokenProvider.extractId(accessToken).orElse(null);
         } else {
-            return ApiResponse.failure(ErrorStatus.NOT_LOGIN_ERROR);
+            throw new CustomException(ErrorStatus.NOT_LOGIN_ERROR);
 
         }
         if(userId == null) {
             throw new CustomException(ErrorStatus.USER_NOT_FOUND_ERROR);
         }
+        return userId;
+    }
+
+    @PostMapping("")
+    public ApiResponse createPlan(HttpServletRequest request,
+                                        @RequestBody PlanRequestDTO planRequestDTO)
+    {
+        long userId = getUserId(request);
 
         Plan plan = planService.createPlan(userId, planRequestDTO);
         if (plan == null){
@@ -55,19 +60,7 @@ public ApiResponse updatePlan(HttpServletRequest request,
                                   @PathVariable long planId,
                                   @RequestBody PlanRequestDTO planRequestDTO)
     {
-        String accessToken = tokenProvider.extractAccessToken(request).orElse(null);
-
-        Long userId = null;
-
-        if (accessToken != null) {
-            userId = tokenProvider.extractId(accessToken).orElse(null);
-        } else {
-            return ApiResponse.failure(ErrorStatus.NOT_LOGIN_ERROR);
-
-        }
-        if(userId == null) {
-            throw new CustomException(ErrorStatus.USER_NOT_FOUND_ERROR);
-        }
+        long userId = getUserId(request);
 
         planService.updatePlan(userId, planId, planRequestDTO);
         return ApiResponse.success(SuccessStatus.OK);
@@ -99,19 +92,7 @@ public ApiResponse deletePlan(HttpServletRequest request,
     public ApiResponse donePlan(HttpServletRequest request,
                                 @PathVariable long planId)
     {
-        String accessToken = tokenProvider.extractAccessToken(request).orElse(null);
-
-        Long userId = null;
-
-        if (accessToken != null) {
-            userId = tokenProvider.extractId(accessToken).orElse(null);
-        } else {
-            return ApiResponse.failure(ErrorStatus.NOT_LOGIN_ERROR);
-
-        }
-        if(userId == null) {
-            throw new CustomException(ErrorStatus.USER_NOT_FOUND_ERROR);
-        }
+        long userId = getUserId(request);
 
         planService.donePlan(userId, planId);
         return ApiResponse.success(SuccessStatus.OK);
diff --git a/src/main/java/com/trendithon/timetris/domain/mainpage/controller/SeeController.java b/src/main/java/com/trendithon/timetris/domain/mainpage/controller/SeeController.java
index f7a43f5..7ea8b4e 100644
--- a/src/main/java/com/trendithon/timetris/domain/mainpage/controller/SeeController.java
+++ b/src/main/java/com/trendithon/timetris/domain/mainpage/controller/SeeController.java
@@ -23,10 +23,7 @@ public class SeeController {
     private final SeeService seeService;
     private final TokenProvider tokenProvider;
 
-    @PostMapping("")
-    public ApiResponse createSee(HttpServletRequest request,
-                                 @RequestBody SeeRequestDTO seeRequestDTO)
-    {
+    public long getUserId(HttpServletRequest request){
         String accessToken = tokenProvider.extractAccessToken(request).orElse(null);
 
         Long userId = null;
@@ -34,12 +31,20 @@ public ApiResponse createSee(HttpServletRequest request,
         if (accessToken != null) {
             userId = tokenProvider.extractId(accessToken).orElse(null);
         } else {
-            return ApiResponse.failure(ErrorStatus.NOT_LOGIN_ERROR);
+            throw new CustomException(ErrorStatus.NOT_LOGIN_ERROR);
 
         }
         if(userId == null) {
             throw new CustomException(ErrorStatus.USER_NOT_FOUND_ERROR);
         }
+        return userId;
+    }
+
+    @PostMapping("")
+    public ApiResponse createSee(HttpServletRequest request,
+                                 @RequestBody SeeRequestDTO seeRequestDTO)
+    {
+        long userId = getUserId(request);
 
         See see = seeService.createSee(userId, seeRequestDTO);
         if (see == null){
@@ -53,19 +58,7 @@ public ApiResponse updateSee(HttpServletRequest request,
                                  @PathVariable long seeId,
                                  @RequestBody SeeRequestDTO seeRequestDTO)
     {
-        String accessToken = tokenProvider.extractAccessToken(request).orElse(null);
-
-        Long userId = null;
-
-        if (accessToken != null) {
-            userId = tokenProvider.extractId(accessToken).orElse(null);
-        } else {
-            return ApiResponse.failure(ErrorStatus.NOT_LOGIN_ERROR);
-
-        }
-        if(userId == null) {
-            throw new CustomException(ErrorStatus.USER_NOT_FOUND_ERROR);
-        }
+        long userId = getUserId(request);
 
         seeService.updateSee(userId, seeId, seeRequestDTO);
         return ApiResponse.success(SuccessStatus.OK);
@@ -75,19 +68,7 @@ public ApiResponse updateSee(HttpServletRequest request,
     public ApiResponse deleteSee(HttpServletRequest request,
                                  @PathVariable long seeId)
     {
-        String accessToken = tokenProvider.extractAccessToken(request).orElse(null);
-
-        Long userId = null;
-
-        if (accessToken != null) {
-            userId = tokenProvider.extractId(accessToken).orElse(null);
-        } else {
-            return ApiResponse.failure(ErrorStatus.NOT_LOGIN_ERROR);
-
-        }
-        if(userId == null) {
-            throw new CustomException(ErrorStatus.USER_NOT_FOUND_ERROR);
-        }
+        long userId = getUserId(request);
 
         seeService.deleteSee(userId, seeId);
         return ApiResponse.success(SuccessStatus.OK);