diff --git a/src/main/java/com/dbnt/faisp/kwms/service/KwmsService.java b/src/main/java/com/dbnt/faisp/kwms/service/KwmsService.java
index 0af5fb9d..28375fc9 100644
--- a/src/main/java/com/dbnt/faisp/kwms/service/KwmsService.java
+++ b/src/main/java/com/dbnt/faisp/kwms/service/KwmsService.java
@@ -37,10 +37,12 @@ public class KwmsService {
     userInfo.setUserId(empInfo.getUserid());
     userInfo.setUserNm(empInfo.getName());
     userInfo.setSex(empInfo.getSexcd().strip().equals("F")?"SEX001":"SEX002");
-    String[] positionAry = empInfo.getLdeptnm().split(" ");
-    userInfo.setOgCd(codeMgtService.searchCodeToCategoryAndValue("OG", positionAry[0]));
-    if (positionAry.length>1){
-      userInfo.setOfcCd(codeMgtService.searchCodeToCategoryAndValue("OFC", positionAry[1]));
+    if(empInfo.getLdeptnm()!=null){
+      String[] positionAry = empInfo.getLdeptnm().split(" ");
+      userInfo.setOgCd(codeMgtService.searchCodeToCategoryAndValue("OG", positionAry[0]));
+      if (positionAry.length>1){
+        userInfo.setOfcCd(codeMgtService.searchCodeToCategoryAndValue("OFC", positionAry[1]));
+      }
     }
     userInfo.setTitleCd(codeMgtService.searchCodeToCategoryAndValue("JT", empInfo.getJikgubnm()));
     if(empInfo.getKyunggwa()!=null){
diff --git a/src/main/resources/static/js/login/login.js b/src/main/resources/static/js/login/login.js
index 4b0eeaeb..0a885581 100644
--- a/src/main/resources/static/js/login/login.js
+++ b/src/main/resources/static/js/login/login.js
@@ -13,6 +13,7 @@ $(document).on('click', '#dicCodeSearchBtn', function (){
 })
 
 $(document).on('click', '#saveBtn', function (){
+  $(this).attr('disabled', 'disabled');
   if(valueCheck()){
     if(confirm("저장하시겠습니까?")){
       contentFade("in");
@@ -28,6 +29,7 @@ $(document).on('click', '#saveBtn', function (){
         success : function(result) {
           if(result === "userIdDuplication"){
             alert("등록된 아이디입니다.")
+            $(this).removeAttr('disabled', 'disabled');
           }else{
             alert("저장되었습니다.\n담당자 승인 후 로그인 가능합니다.")
             $("#closeModalBtn").click();
@@ -35,7 +37,8 @@ $(document).on('click', '#saveBtn', function (){
           contentFade("out");
         },
         error : function(xhr, status) {
-          alert("저장에 실패하였습니다.")
+          alert("저장에 실패하였습니다.");
+          $(this).removeAttr('disabled', 'disabled');
           contentFade("out");
         }
       })
diff --git a/src/main/resources/templates/login/joinForm.html b/src/main/resources/templates/login/joinForm.html
index 3acc0738..aba353ea 100644
--- a/src/main/resources/templates/login/joinForm.html
+++ b/src/main/resources/templates/login/joinForm.html
@@ -3,7 +3,7 @@
 <div class="modal-content " id="userInsertModalContent">
   <div class="modal-header bg-dark">
     <h5 class="modal-title text-white" id="userInsertModalLabel">사용자 신청</h5>
-    <button type="button" class="btn-close f-invert" data-bs-dismiss="modal" aria-label="Close"></button>
+    <button type="button" class="btn-close f-invert" data-bs-dismiss="modal" aria-label="Close" id="closeModalBtn"></button>
   </div>
   <div class="modal-body" th:if="${joinFlag eq 'F'}">
     <div class="mb-3 mt-3 row">