diff --git a/src/assets/svg/pen-icon.svg b/src/assets/svg/pen-icon.svg
index fd361a92..406385bf 100644
--- a/src/assets/svg/pen-icon.svg
+++ b/src/assets/svg/pen-icon.svg
@@ -1,3 +1,8 @@
-<svg width="12" height="12" viewBox="0 0 12 12" fill="none" xmlns="http://www.w3.org/2000/svg">
-<path d="M1.06477 11.6412C0.852817 11.6882 0.670339 11.6352 0.517339 11.4823C0.36435 11.3293 0.311361 11.1468 0.358372 10.9348L0.916056 8.25794L3.74166 11.0835L1.06477 11.6412ZM3.74166 11.0835L0.916056 8.25794L8.39554 0.77846C8.62545 0.548549 8.91006 0.433594 9.24937 0.433594C9.58868 0.433594 9.87329 0.548549 10.1032 0.77846L11.2211 1.89639C11.451 2.1263 11.566 2.41092 11.566 2.75023C11.566 3.08954 11.451 3.37415 11.2211 3.60406L3.74166 11.0835ZM9.10834 1.48101L2.29167 8.29126L3.70834 9.70792L10.5186 2.89126C10.5571 2.85279 10.5763 2.80472 10.5763 2.74703C10.5763 2.68933 10.5571 2.64124 10.5186 2.60278L9.39682 1.48101C9.35835 1.44254 9.31027 1.42331 9.25257 1.42331C9.19488 1.42331 9.1468 1.44254 9.10834 1.48101Z" fill="#4B4B4B"/>
+<svg width="24" height="24" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
+<mask id="mask0_688_3447" style="mask-type:alpha" maskUnits="userSpaceOnUse" x="0" y="0" width="24" height="24">
+<rect width="24" height="24" fill="#D9D9D9"/>
+</mask>
+<g mask="url(#mask0_688_3447)">
+<path d="M5 19H6.2615L16.498 8.7635L15.2365 7.502L5 17.7385V19ZM4.404 20.5C4.14783 20.5 3.93317 20.4133 3.76 20.24C3.58667 20.0668 3.5 19.8522 3.5 19.596V17.8635C3.5 17.6197 3.54683 17.3873 3.6405 17.1663C3.734 16.9453 3.86283 16.7527 4.027 16.5885L16.6905 3.93075C16.8417 3.79342 17.0086 3.68733 17.1913 3.6125C17.3741 3.5375 17.5658 3.5 17.7663 3.5C17.9668 3.5 18.1609 3.53558 18.3488 3.60675C18.5367 3.67792 18.7032 3.79108 18.848 3.94625L20.0693 5.18275C20.2244 5.32758 20.335 5.49425 20.401 5.68275C20.467 5.87125 20.5 6.05975 20.5 6.24825C20.5 6.44942 20.4657 6.64133 20.397 6.824C20.3283 7.00683 20.2191 7.17383 20.0693 7.325L7.4115 19.973C7.24733 20.1372 7.05475 20.266 6.83375 20.3595C6.61275 20.4532 6.38033 20.5 6.1365 20.5H4.404ZM15.8562 8.14375L15.2365 7.502L16.498 8.7635L15.8562 8.14375Z" fill="#4B4B4B"/>
+</g>
 </svg>
diff --git a/src/pages/TimetablePage/ModifyTimetablePage/DefaultPage/DefaultPage.module.scss b/src/pages/TimetablePage/ModifyTimetablePage/DefaultPage/DefaultPage.module.scss
index 8044ee2a..4a20c3b6 100644
--- a/src/pages/TimetablePage/ModifyTimetablePage/DefaultPage/DefaultPage.module.scss
+++ b/src/pages/TimetablePage/ModifyTimetablePage/DefaultPage/DefaultPage.module.scss
@@ -90,18 +90,20 @@
     display: flex;
     align-items: center;
     justify-content: space-between;
-    width: 155px;
+    width: 139px;
     height: 48px;
     border: 0;
     border-radius: 5px;
     padding: 12px 20px;
-    background-color: #fafafa;
+    background-color: #fff;
     box-shadow: 0 2px 4px 0 #0000000a;
-    font-size: 15.5px;
+    font-size: 18px;
     gap: 8px;
     font-weight: 500;
     color: #4b4b4b;
     cursor: pointer;
+    line-height: 28.8px;
+    font-family: Pretendard, sans-serif;
   }
 
   &__trash-can-icon {
@@ -112,6 +114,12 @@
   &__lecture-list {
     width: 613px;
   }
+
+  &__pen-icon {
+    display: flex;
+    width: 24px;
+    height: 24px;
+  }
 }
 
 .timetable {
diff --git a/src/pages/TimetablePage/ModifyTimetablePage/DefaultPage/index.tsx b/src/pages/TimetablePage/ModifyTimetablePage/DefaultPage/index.tsx
index 5943e148..9ff134e0 100644
--- a/src/pages/TimetablePage/ModifyTimetablePage/DefaultPage/index.tsx
+++ b/src/pages/TimetablePage/ModifyTimetablePage/DefaultPage/index.tsx
@@ -100,7 +100,7 @@ export default function DefaultPage({ frameId }: { frameId: string | undefined }
                 onClick={() => navigate('/timetable')}
               >
                 <PenIcon className={styles['page__pen-icon']} />
-                시간표 저장
+                수정 완료
               </button>
             </div>
             <ErrorBoundary fallbackClassName="loading">
diff --git a/src/pages/TimetablePage/components/MainTimetable/MyLectureTimetable.module.scss b/src/pages/TimetablePage/components/MainTimetable/MyLectureTimetable.module.scss
index 36c11b7c..97baafc6 100644
--- a/src/pages/TimetablePage/components/MainTimetable/MyLectureTimetable.module.scss
+++ b/src/pages/TimetablePage/components/MainTimetable/MyLectureTimetable.module.scss
@@ -29,13 +29,16 @@
     padding: 12px 20px;
     width: 155px;
     height: 48px;
-    background-color: #fafafa;
-    font-family: Pretendard, sans-serif;
+    background-color: #fff;
+    cursor: pointer;
+    justify-content: center;
+    align-items: center;
+    display: flex;
     font-weight: 500;
-    font-size: 15.5px;
-    line-height: 21.48px;
+    font-size: 18px;
+    line-height: 28.8px;
     color: #4b4b4b;
-    cursor: pointer;
+    align-items: center;
 
     &:hover {
       background-color: #eee;
@@ -45,4 +48,10 @@
       background-color: #e1e1e1;
     }
   }
+
+  &__edit-icon {
+    display: flex;
+    width: 24px;
+    height: 24px;
+  }
 }
diff --git a/src/pages/TimetablePage/components/MainTimetable/index.tsx b/src/pages/TimetablePage/components/MainTimetable/index.tsx
index 56777586..36867263 100644
--- a/src/pages/TimetablePage/components/MainTimetable/index.tsx
+++ b/src/pages/TimetablePage/components/MainTimetable/index.tsx
@@ -57,7 +57,7 @@ function MainTimetable({ frameId }: { frameId: number }) {
           className={styles.page__button}
           onClick={() => navigate(`/timetable/modify/regular/${token ? frameId : semester}`)}
         >
-          <EditIcon />
+          <EditIcon className={styles['page__edit-icon']} />
           시간표 수정
         </button>
       </div>
diff --git a/src/pages/TimetablePage/components/TimetableList/TimetableSettingModal/TimetableSettingModal.module.scss b/src/pages/TimetablePage/components/TimetableList/TimetableSettingModal/TimetableSettingModal.module.scss
index 461acc81..e2b93c93 100644
--- a/src/pages/TimetablePage/components/TimetableList/TimetableSettingModal/TimetableSettingModal.module.scss
+++ b/src/pages/TimetablePage/components/TimetableList/TimetableSettingModal/TimetableSettingModal.module.scss
@@ -100,6 +100,17 @@
     color: #8e8e8e;
   }
 
+  &__set-default-timetable-message {
+    display: flex;
+    font-family: Pretendard, sans-serif;
+    font-size: 16px;
+    font-weight: 400;
+    line-height: 25.6px;
+    text-align: left;
+    color: #8e8e8e;
+    padding: 12px 32px 6px;
+  }
+
   &__button {
     display: flex;
     padding: 16px 24px 24px;
diff --git a/src/pages/TimetablePage/components/TimetableList/TimetableSettingModal/index.tsx b/src/pages/TimetablePage/components/TimetableList/TimetableSettingModal/index.tsx
index b16ad32c..c68f23ca 100644
--- a/src/pages/TimetablePage/components/TimetableList/TimetableSettingModal/index.tsx
+++ b/src/pages/TimetablePage/components/TimetableList/TimetableSettingModal/index.tsx
@@ -78,12 +78,24 @@ export default function TimetableSettingModal({
             onChange={(e) => setFocusFrame({ ...focusFrame, timetable_name: e.target.value })}
           />
         </div>
-        <div className={styles['container__setting-message']}>
-          <button type="button" className={styles.container__checkbox} onClick={toggleIsChecked}>
-            {focusFrame.is_main ? <CheckedIcon /> : <NotCheckedIcon />}
-          </button>
-          <div className={styles['container__set-default-timetable']}>기본 시간표로 설정하기</div>
-        </div>
+        {focusFrame.is_main ? (
+          <div className={styles['container__set-default-timetable-message']}>
+            기본 시간표로 설정되었습니다.
+          </div>
+        ) : (
+          <div className={styles['container__setting-message']}>
+            <button
+              type="button"
+              className={styles.container__checkbox}
+              onClick={toggleIsChecked}
+            >
+              {focusFrame.is_main ? <CheckedIcon /> : <NotCheckedIcon />}
+            </button>
+            <div className={styles['container__set-default-timetable']}>
+              기본 시간표로 설정하기
+            </div>
+          </div>
+        )}
         <div className={styles.container__button}>
           <button
             type="button"