diff --git a/src/main/webapp/WEB-INF/views/crdn/crndRegistAndView/crdnActInfo/crdnActInfoRegistPopup.jsp b/src/main/webapp/WEB-INF/views/crdn/crndRegistAndView/crdnActInfo/crdnActInfoRegistPopup.jsp
index 373fd28..493f874 100644
--- a/src/main/webapp/WEB-INF/views/crdn/crndRegistAndView/crdnActInfo/crdnActInfoRegistPopup.jsp
+++ b/src/main/webapp/WEB-INF/views/crdn/crndRegistAndView/crdnActInfo/crdnActInfoRegistPopup.jsp
@@ -89,13 +89,13 @@
                             </td>
                         </tr>
                         <tr>
-                            <th class="th"><span class="required">*</span> 가로(m)</th>
+                            <th class="th">가로(m)</th>
                             <td>
-                                <input type="text" id="wdth" name="wdth" class="input decimalMask" style="width: 120px;" maxlength="10" placeholder="예) 5.25" validation-check="required" value="${data.wdth}"/>
+                                <input type="text" id="wdth" name="wdth" class="input decimalMask" style="width: 120px;" maxlength="10" placeholder="예) 5.25" value="${data.wdth}"/>
                             </td>
-                            <th class="th"><span class="required">*</span> 세로(m)</th>
+                            <th class="th">세로(m)</th>
                             <td>
-                                <input type="text" id="vrtc" name="vrtc" class="input decimalMask" style="width: 120px;" maxlength="10" placeholder="예) 8.75" validation-check="required" value="${data.vrtc}"/>
+                                <input type="text" id="vrtc" name="vrtc" class="input decimalMask" style="width: 120px;" maxlength="10" placeholder="예) 8.75" value="${data.vrtc}"/>
                             </td>
                         </tr>
                         <tr>
@@ -225,6 +225,7 @@
         // 중요한 로직 주석: 가로와 세로 값 입력이 완료되면(blur) 자동으로 면적을 계산하여 입력한다.
         // input 이벤트 제거: inputmask와 충돌하여 정상 동작하지 않음
         $('#wdth, #vrtc').on('blur input', function() {
+            if( $(this).val() === '' ) return;
             calculateArea();
         });
 
diff --git a/src/main/webapp/WEB-INF/views/crdn/crndRegistAndView/crdnPstnInfo/crdnPstnInfoRegistPopup.jsp b/src/main/webapp/WEB-INF/views/crdn/crndRegistAndView/crdnPstnInfo/crdnPstnInfoRegistPopup.jsp
index 3aff12d..8fa5a3d 100644
--- a/src/main/webapp/WEB-INF/views/crdn/crndRegistAndView/crdnPstnInfo/crdnPstnInfoRegistPopup.jsp
+++ b/src/main/webapp/WEB-INF/views/crdn/crndRegistAndView/crdnPstnInfo/crdnPstnInfoRegistPopup.jsp
@@ -81,9 +81,9 @@
                             </td>
                         </tr>
                         <tr>
-                            <th class="th"><span class="required">*</span> 지적</th>
+                            <th class="th">지적</th>
                             <td>
-                                <input type="text" id="ptout" name="ptout" class="input ptoutMask" style="width: 180px;" maxlength="25" placeholder="예) 12345.67" validation-check="required number" value="${data.ptout}"/>
+                                <input type="text" id="ptout" name="ptout" class="input ptoutMask" style="width: 180px;" maxlength="25" placeholder="예) 12345.67" value="${data.ptout}"/>
                             </td>
                             <th class="th"><span class="required">*</span> 공시지가</th>
                             <td>