diff --git a/src/entities/additional-service/model/key-in/types.ts b/src/entities/additional-service/model/key-in/types.ts
index 1b1e144..63fc60d 100644
--- a/src/entities/additional-service/model/key-in/types.ts
+++ b/src/entities/additional-service/model/key-in/types.ts
@@ -125,7 +125,7 @@ export interface ExtensionKeyinApplyResponse {
     root?: string;
     errKey?: string;
     code?: string;
-    resultMessage?: string;
+    message?: string;
     timestamp?: string;
     details?: {
       path?: string;
diff --git a/src/entities/common/ui/full-menu-close.tsx b/src/entities/common/ui/full-menu-close.tsx
index cd14eb0..c8f7c9d 100644
--- a/src/entities/common/ui/full-menu-close.tsx
+++ b/src/entities/common/ui/full-menu-close.tsx
@@ -17,7 +17,7 @@ export const FullMenuClose = ({
       <button className={ addClass }>
         <img
           src={ IMAGE_ROOT + '/ico_close.svg' }
-          alt={ t('filter.close') }
+          alt={ t('common.close') }
           onClick={ onClickToCallback }
         />
       </button>
diff --git a/src/locales/ko.json b/src/locales/ko.json
index 6ddb2f6..adf1584 100644
--- a/src/locales/ko.json
+++ b/src/locales/ko.json
@@ -811,7 +811,7 @@
         "activeServices": "사용중인 서비스",
         "availableServices": "신청 가능한 서비스",
         "notActiveServiceMessage": "이용 중이지 않은 서비스입니다.",
-        "contactSalesMessage": "가입 문의는 영업 담당자 또는 고객센터로 문의해 주세요.",
+        "contactSalesMessage": "가입 문의는 영업 담당자 또는 고객센터로\n문의해 주세요.",
         "common": {
             "success": "성공",
             "fail": "실패",
@@ -1002,7 +1002,7 @@
             "detailInfo": "상세 정보",
             "disbursementStatus": "지급 상태",
             "transactionType": "거래 유형",
-            "disbursementDateTime": "지급 날짜 시간",
+            "disbursementDateTime": "지급일시",
             "businessNumber": "사업자 번호",
             "accountHolder": "계좌주",
             "bank": "은행",
diff --git a/src/pages/additional-service/key-in-payment/requeset-page.tsx b/src/pages/additional-service/key-in-payment/requeset-page.tsx
index 0518e73..5bdf1ad 100644
--- a/src/pages/additional-service/key-in-payment/requeset-page.tsx
+++ b/src/pages/additional-service/key-in-payment/requeset-page.tsx
@@ -81,20 +81,25 @@ export const KeyInPaymentRequestPage = () => {
         };
 
         keyInApply(keyInApplyParams).then((rs) => {
-            if (rs.data?.success) {
+            if (rs.status && rs.data?.success) {
                 // 성공: 화면 유지 & 입력 내용 초기화
                 snackBar("KEY-IN 결제 신청을 성공하였습니다.")
                 resetForm();
             } else {
                 // 실패: 화면 유지 & 입력 내용 유지
-                const errorMessage = rs.data?.resultMessage || rs.error?.resultMessage || '결제 신청에 실패했습니다.';
+                const errorMessage = rs.data?.resultMessage ||
+                                    rs.error?.message ||
+                                    '결제 신청에 실패했습니다.';
                 // HTML 태그 제거
                 const cleanMessage = errorMessage.replace(/<br\s*\/?>/gi, ' ').trim();
                 snackBar(`[실패] ${cleanMessage}`);
             }
         }).catch((error) => {
             console.error('결제 실패:', error);
-            const errorMessage = error?.response?.data?.error?.resultMessage || error?.message || '결제 요청 중 오류가 발생했습니다';
+            const errorMessage = error?.response?.data?.data?.resultMessage ||
+                                error?.response?.data?.error?.message ||
+                                error?.message ||
+                                '결제 요청 중 오류가 발생했습니다';
             snackBar(`[실패] ${errorMessage}`);
         });
     };
diff --git a/src/pages/additional-service/list-page.tsx b/src/pages/additional-service/list-page.tsx
index 638dcf5..d930e3e 100644
--- a/src/pages/additional-service/list-page.tsx
+++ b/src/pages/additional-service/list-page.tsx
@@ -147,7 +147,12 @@ export const ListPage = () => {
         message={
           <>
             {t('additionalService.notActiveServiceMessage')}<br />
-            {t('additionalService.contactSalesMessage')}
+            {t('additionalService.contactSalesMessage').split('\n').map((line, index) => (
+              <span key={index}>
+                {line}
+                {index < t('additionalService.contactSalesMessage').split('\n').length - 1 && <br />}
+              </span>
+            ))}
           </>
         }
         buttonLabel={[t('common.confirm')]}
diff --git a/src/shared/ui/assets/css/calendar.css b/src/shared/ui/assets/css/calendar.css
index ee49532..8a0a58c 100644
--- a/src/shared/ui/assets/css/calendar.css
+++ b/src/shared/ui/assets/css/calendar.css
@@ -55,9 +55,16 @@
 }
 
 .calendar-style .react-calendar__tile--active {
-  background-color: #3E6AFC !important;
-  color: white !important;
-  border-radius: 100px;
+  background-color:  white !important;
+}
+.calendar-style .react-calendar__tile--active abbr{
+  width: 30px;
+  height: 30px;
+  display: inline-block;
+  line-height: 30px;
+  border-radius: 30px;
+  background: #3E6AFC !important;
+  color: white;
 }
 
 .react-calendar__tile.react-calendar__tile--hasActive.react-calendar__year-view__months__month abbr {
@@ -72,12 +79,35 @@
 }
 
 .react-calendar__tile--hasActive {
+  background: white !important;
+}
+.react-calendar__tile--hasActive abbr{
   background: #3E6AFC !important;
   color: white !important;
+  width: 50px;
+  height: 50px;
+  display: inline-block;
+  line-height: 50px;
+  border-radius: 50px;
 }
-
-.react-calendar__tile {
-  /* color: #2D3436 !important; */
+.react-calendar__tile--now {
+  background: white !important;
+}
+.react-calendar__tile--now abbr {
+  background: #00B894 !important;
+  color: white !important;
+  width: 50px;
+  height: 50px;
+  display: inline-block;
+  line-height: 50px;
+  border-radius: 50px;
+}
+.react-calendar__month-view__days__day.react-calendar__tile--now abbr {
+  width: 30px;
+  height: 30px;
+  display: inline-block;
+  line-height: 30px;
+  border-radius: 30px;
 }
 
 abbr[title] {