diff --git a/src/pages/SignUp.tsx b/src/pages/SignUp.tsx
index f34c7db..2a3d888 100644
--- a/src/pages/SignUp.tsx
+++ b/src/pages/SignUp.tsx
@@ -270,7 +270,7 @@ export default function SignUp() {
                                       onChange(data.map(({ id }) => id));
                                     }}
                                     errorMsg={errors.courseIdList?.message}
-                                    selectBoxClassName="!h-[50px] !text-base overflow-hidden !border-darkGray"
+                                    selectBoxClassName="!h-[50px] !text-base overflow-hidden"
                                     onSelectBoxClick={triggerCourseIdListError}
                                     hasFullCheck={!!options.length}
                                     optionClassName="text-start tracking-tight leading-5"
@@ -284,7 +284,7 @@ export default function SignUp() {
                                       onChange(data.map(({ id }) => id));
                                     }}
                                     errorMsg={errors.courseIdList?.message}
-                                    selectBoxClassName="!h-[50px] !text-base overflow-hidden !border-darkGray"
+                                    selectBoxClassName="!h-[50px] !text-base overflow-hidden"
                                     onSelectBoxClick={triggerCourseIdListError}
                                     optionClassName="text-start tracking-tight whitespace-pre-wrap leading-5"
                                   />
@@ -320,7 +320,7 @@ export default function SignUp() {
                                         });
                                       }}
                                       isMarkTechStackList
-                                      selectBoxClassName="!h-[50px] !text-base !border-darkGray"
+                                      selectBoxClassName="!h-[50px] !text-base"
                                       errorMsg={err?.message}
                                     />
                                   );
diff --git a/src/services/auth/authMutations.ts b/src/services/auth/authMutations.ts
index 14b8e16..47364e7 100644
--- a/src/services/auth/authMutations.ts
+++ b/src/services/auth/authMutations.ts
@@ -31,7 +31,6 @@ export const useUpdateUserProfile = (
   });
 };
 
-// 나의 프로필 이미지 업데이트하기
 export const useUpdateProfileImage = (
   options?: UseMutationOptions<
     unknown,
diff --git a/src/services/axiosInstance.ts b/src/services/axiosInstance.ts
index d770d5c..1597bdf 100644
--- a/src/services/axiosInstance.ts
+++ b/src/services/axiosInstance.ts
@@ -69,7 +69,7 @@ axiosInstance.interceptors.response.use(
           if (originalRequest.url !== '/api/login/check') {
             return handleNewAccessToken();
           }
-          break;
+          return redirectToLogin();
 
         default:
         // redirectToLogin();