diff --git a/WebContent/jsp/onl/apim/portaluser/portalUserManDetail.jsp b/WebContent/jsp/onl/apim/portaluser/portalUserManDetail.jsp
index 207e1f5..7fc06fc 100644
--- a/WebContent/jsp/onl/apim/portaluser/portalUserManDetail.jsp
+++ b/WebContent/jsp/onl/apim/portaluser/portalUserManDetail.jsp
@@ -122,6 +122,14 @@
                         .setObj($("select[name=approvalStatus]"))
                         .setData(json.approvalStatusRows).setFormat(nameOptionFormat).rendering();
 
+                    // 신규 등록일 경우 기본값 설정
+                    if (!isDetail) {
+                        $("#userStatus").val("READY");
+                        $("#approvalStatus").val("COMPLETED");
+                        $("#accountLockYn").val("N");
+                        $("#roleCode").val("ROLE_USER").trigger('change');
+                    }
+
                     let key = "${param.id}";
                     if (key != "" && key !== "null") {
                         detail(key);
@@ -363,10 +371,6 @@
             } else {
                 $("#title").append(" 등록")
                 $("#btn_modify").html('<i class="material-icons">save</i> <%= localeMessage.getString("button.register") %>');
-                $("#userStatus").val("READY");
-                $("#approvalStatus").val("COMPLETED");
-                $("#accountLockYn").val("N");
-                $("#roleCode").val("ROLE_USER").trigger('change');
                 updateButtonStates(STATUS.READY, false);
             }
 
@@ -645,8 +649,8 @@
                     <th><%= getRequiredLabel(localeMessage.getString("portalUser.mobileNumber")) %>
                     </th>
                     <td>
-                        <div class="input-group" style="width: 60%; display: flex; align-items: center; gap: 8px;">
-                            <div class="select-style" style="flex: 0 0 auto; width: 90px;">
+                        <div style="display: flex; align-items: center; gap: 5px; flex-wrap: nowrap; white-space: nowrap;">
+                            <div style="width: 80px; flex-shrink: 0;">
                                 <select id="mobilePrefix" style="padding-left: 10px; width: 100%;">
                                     <option value="010">010</option>
                                     <option value="011">011</option>
@@ -655,10 +659,10 @@
                                     <option value="018">018</option>
                                 </select>
                             </div>
-                            <span>-</span>
-                            <input type="text" id="mobileMiddle" maxlength="4" style="flex: 1 1 auto; min-width: 60px; text-align: center;"/>
-                            <span>-</span>
-                            <input type="text" id="mobileLast" maxlength="4" style="flex: 1 1 auto; min-width: 60px; text-align: center;"/>
+                            <span style="flex-shrink: 0;">-</span>
+                            <input type="text" id="mobileMiddle" maxlength="4" style="width: 50px; text-align: center; flex-shrink: 0;"/>
+                            <span style="flex-shrink: 0;">-</span>
+                            <input type="text" id="mobileLast" maxlength="4" style="width: 50px; text-align: center; flex-shrink: 0;"/>
                             <input type="hidden" name="mobileNumber"/>
                         </div>
                     </td>