diff --git a/src/components/inquiry/Answer.tsx b/src/components/inquiry/Answer.tsx
index 4df9c3b..3bae3fd 100644
--- a/src/components/inquiry/Answer.tsx
+++ b/src/components/inquiry/Answer.tsx
@@ -15,7 +15,7 @@ export default function Answer({
         <div className="inquiry-answer-header">
           <div className="inquiry-answer-tit">Hanwha Japan 回答</div>
           <div className="inquiry-answer-date">
-            <span>{inquiryDetail?.ansRegNm}</span>/ <span>{inquiryDetail?.ansRegDt}</span>
+            <span>{inquiryDetail?.ansRegNm}</span> / <span>{inquiryDetail?.ansRegDt}</span>
           </div>
         </div>
         <div className="inquiry-detail-data">
diff --git a/src/components/popup/SurveySaleSubmitPopup.tsx b/src/components/popup/SurveySaleSubmitPopup.tsx
index 4c8b4fa..9104989 100644
--- a/src/components/popup/SurveySaleSubmitPopup.tsx
+++ b/src/components/popup/SurveySaleSubmitPopup.tsx
@@ -176,11 +176,11 @@ export default function SurveySaleSubmitPopup() {
     <p style="font-size: 13px; font-weight: 400; color: #2e3a59; margin-bottom: 3px;">
       -販売店名：
       <span style="color: #417DDC;">
-        ${surveyDetail?.store} (${surveyDetail?.storeId ?? ' - '})
+        ${surveyDetail?.store ? `${surveyDetail?.store} (${surveyDetail?.storeId ?? ' - '})` : ' - '}
       </span>
     </p>
     <p style="font-size: 13px; font-weight: 400; color: #2e3a59; margin-bottom: 15px;">
-      -施工店名:
+      -施工店名：
       <span style="color: #417DDC;">${surveyDetail?.constructionPoint ?? ' - '}</span>
     </p>
   </div>
diff --git a/src/components/survey-sale/detail/DataTable.tsx b/src/components/survey-sale/detail/DataTable.tsx
index d293a7e..7dfd5b1 100644
--- a/src/components/survey-sale/detail/DataTable.tsx
+++ b/src/components/survey-sale/detail/DataTable.tsx
@@ -2,6 +2,7 @@
 
 import { SurveyBasicInfo } from '@/types/Survey'
 import { useSurvey } from '@/hooks/useSurvey'
+import { formatDateTime } from '@/utils/common-utils'
 
 export default function DataTable({ surveyDetail }: { surveyDetail: SurveyBasicInfo }) {
   /** 제출 상태 처리 */
@@ -36,18 +37,18 @@ export default function DataTable({ surveyDetail }: { surveyDetail: SurveyBasicI
             </tr>
             <tr>
               <th>登録日</th>
-              <td>{surveyDetail?.regDt ? new Date(surveyDetail.regDt).toLocaleString() : ''}</td>
+              <td>{formatDateTime(surveyDetail?.regDt)}</td>
             </tr>
             <tr>
               <th>更新日時</th>
-              <td>{surveyDetail?.uptDt ? new Date(surveyDetail.uptDt).toLocaleString() : ''}</td>
+              <td>{formatDateTime(surveyDetail?.uptDt)}</td>
             </tr>
             <tr>
               <th>提出可否</th>
               <td>
                 {surveyDetail?.submissionStatus && surveyDetail?.submissionDate ? (
                   <>
-                    <div>{new Date(surveyDetail.submissionDate).toLocaleString()}</div>
+                    <div>{formatDateTime(surveyDetail.submissionDate)}</div>
                     {submitStatus()}
                   </>
                 ) : (
diff --git a/src/components/survey-sale/detail/RoofForm.tsx b/src/components/survey-sale/detail/RoofForm.tsx
index d6d97e0..ff3d0c9 100644
--- a/src/components/survey-sale/detail/RoofForm.tsx
+++ b/src/components/survey-sale/detail/RoofForm.tsx
@@ -74,7 +74,7 @@ export default function RoofForm(props: {
               <div className="data-input-form-tit">電気契約容量</div>
               {mode === 'READ' && <input type="text" className="input-frame" value={roofInfo?.contractCapacity ?? ''} readOnly={mode === 'READ'} />}
               {mode !== 'READ' && (
-                <div className="data-input mb5">
+                <div className="data-input mb10">
                   <input
                     type="number"
                     inputMode="numeric"
@@ -83,7 +83,7 @@ export default function RoofForm(props: {
                     value={roofInfo?.contractCapacity?.split(' ')[0] ?? ''}
                     onChange={(e) => handleNumberInput('contractCapacity', e.target.value)}
                   />
-                  <div className="data-input">
+                  <div className="data-input mt10">
                     <select
                       className="select-form"
                       name="contractCapacityUnit"
diff --git a/src/components/survey-sale/list/ListTable.tsx b/src/components/survey-sale/list/ListTable.tsx
index b99c864..19cbec4 100644
--- a/src/components/survey-sale/list/ListTable.tsx
+++ b/src/components/survey-sale/list/ListTable.tsx
@@ -8,6 +8,7 @@ import SearchForm from './SearchForm'
 import { useSurveyFilterStore } from '@/store/surveyFilterStore'
 import { useSessionStore } from '@/store/session'
 import type { SurveyBasicInfo } from '@/types/Survey'
+import { formatDateTime, formatDate } from '@/utils/common-utils'
 
 export default function ListTable() {
   const router = useRouter()
@@ -68,13 +69,13 @@ export default function ListTable() {
                 <div className="sale-item-bx">
                   <div className="sale-item-date-bx">
                     <div className="sale-item-num">{survey.srlNo}</div>
-                    <div className="sale-item-date">{survey.investigationDate}</div>
+                    <div className="sale-item-date">{formatDate(survey.regDt)}</div>
                   </div>
                   <div className="sale-item-tit">{survey.buildingName === null ? '-' : survey.buildingName}</div>
                   <div className="sale-item-customer">{survey.customerName === null ? '-' : survey.customerName}</div>
                   <div className="sale-item-update-bx">
                     <div className="sale-item-name">{survey.representative}</div>
-                    <div className="sale-item-update">{new Date(survey.uptDt).toLocaleString()}</div>
+                    <div className="sale-item-update">{formatDateTime(survey.uptDt)}</div>
                   </div>
                 </div>
               </li>
diff --git a/src/components/ui/common/Header.tsx b/src/components/ui/common/Header.tsx
index f217359..e155e17 100644
--- a/src/components/ui/common/Header.tsx
+++ b/src/components/ui/common/Header.tsx
@@ -146,7 +146,7 @@ export default function Header() {
                     </button>
                   </li>
                   <li className="side-footer-item">
-                    <button onClick={() => popupController.setMemberInfomationPopup(true)}>MY ADMIN</button>
+                    <button onClick={() => popupController.setMemberInfomationPopup(true)}>MY PAGE</button>
                   </li>
                   <li className="side-footer-item">
                     <button onClick={() => router.push('/')}>HOME</button>
diff --git a/src/utils/common-utils.js b/src/utils/common-utils.js
index fdef02e..56ec813 100644
--- a/src/utils/common-utils.js
+++ b/src/utils/common-utils.js
@@ -233,3 +233,40 @@ export const convertToCamelCase = (obj) => {
 
   return obj
 }
+
+/**
+ * 날짜 형식 변환
+ * @param {Date | string} date 날짜 데이터
+ * @returns {string} 포맷팅된 날짜 문자열 (YYYY.MM.DD HH:MM:SS)
+ */
+export const formatDateTime = (date) => {
+  if (date === '' || date === null || date === undefined) return ''
+
+  return new Date(date)
+    .toLocaleString(undefined, {
+      year: 'numeric',
+      month: 'numeric',
+      day: 'numeric',
+      hour: '2-digit',
+      minute: '2-digit',
+      second: '2-digit',
+      hour12: false,
+    })
+    .replace(/\//g, '.')
+}
+
+/**
+ * 날짜만 형식 변환
+ * @param {Date | string} date 날짜 데이터
+ * @returns {string} 포맷팅된 날짜 문자열 (YYYY.MM.DD)
+ */
+export const formatDate = (date) => {
+  if (date === '' || date === null || date === undefined) return ''
+
+  const dateObj = new Date(date)
+  const year = dateObj.getFullYear()
+  const month = String(dateObj.getMonth() + 1).padStart(2, '0')
+  const day = String(dateObj.getDate()).padStart(2, '0')
+  
+  return `${year}.${month}.${day}`
+}