diff --git a/src/main/java/geoinfo/com/file/service/FileService.java b/src/main/java/geoinfo/com/file/service/FileService.java
index 210002eb..1708a14b 100644
--- a/src/main/java/geoinfo/com/file/service/FileService.java
+++ b/src/main/java/geoinfo/com/file/service/FileService.java
@@ -1,5 +1,6 @@
 package geoinfo.com.file.service;
 
+import java.sql.SQLException;
 import java.util.List;
 import java.util.Map;
 
@@ -12,7 +13,7 @@ public interface FileService {
 
 	void insertFile(Map<String, Object> map) throws Exception;
 
-	List<Map<String, Object>> selectFiles(Map<String, Object> map) throws Exception;
+	List<Map<String, Object>> selectFiles(Map<String, Object> map) throws Exception, SQLException;
 
 	void deleteFiles(Map<String, Object> map) throws Exception;
 
diff --git a/src/main/java/geoinfo/com/file/service/impl/FileServiceImpl.java b/src/main/java/geoinfo/com/file/service/impl/FileServiceImpl.java
index a479ab2f..e1998b04 100644
--- a/src/main/java/geoinfo/com/file/service/impl/FileServiceImpl.java
+++ b/src/main/java/geoinfo/com/file/service/impl/FileServiceImpl.java
@@ -3,6 +3,7 @@ package geoinfo.com.file.service.impl;
 import geoinfo.com.file.service.FileMapper;
 import geoinfo.com.file.service.FileService;
 
+import java.sql.SQLException;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -38,7 +39,7 @@ public class FileServiceImpl implements FileService{
 	}
 
 	@Override
-	public List<Map<String, Object>> selectFiles(Map<String, Object> map) throws Exception {
+	public List<Map<String, Object>> selectFiles(Map<String, Object> map) throws Exception, SQLException {
 		return fileMapper.selectFiles(map);
 	}
 
diff --git a/src/main/java/geoinfo/regi/projectList/ProjectListController.java b/src/main/java/geoinfo/regi/projectList/ProjectListController.java
index 8c61be8d..91c37ea2 100644
--- a/src/main/java/geoinfo/regi/projectList/ProjectListController.java
+++ b/src/main/java/geoinfo/regi/projectList/ProjectListController.java
@@ -48,8 +48,11 @@ public class ProjectListController {
 		strUtil sUtil = new strUtil();
 
 		String projectName = sUtil.checkNull((String)params.get("projectName"));
+		String projectCode = sUtil.checkNull((String)params.get("projectCode"));
 		String isProjectNameChecking = sUtil.checkNull((String)params.get("isProjectNameChecking"));
 
+		System.out.println( "thkim 20240719:" + projectCode );
+		
 
 		if(isProjectNameChecking != null && isProjectNameChecking.toLowerCase().equals("true") && projectName == ""){
 			jsonObject.put("result", "false");
@@ -58,11 +61,17 @@ public class ProjectListController {
 		} else {
 			params.put("PROJECT_NAME", projectName);
 			// 사업명(프로젝트 명) 중복 검사를 수행한다.
-			ArrayList<HashMap<String, Object>> arrProjectCodeAndProjectName = masterService.getProjectCodeAndProjectNameByProjectName(params);
-			if( 0 < arrProjectCodeAndProjectName.size() ) {
-				jsonObject.put("result", "false");
-				jsonObject.put("resultCode", "The name already exists.");
-				jsonObject.put("message", "해당 사업명이 이미 있습니다. 다른 사업명으로 입력해 주세요.");
+			ArrayList<HashMap<String, Object>> arrProjectCodeAndProjectName = masterService.getProjectCodeAndProjectNameByProjectName(params);			
+			
+			if( 0 < arrProjectCodeAndProjectName.size() ) {				
+				
+				if( projectCode != null && arrProjectCodeAndProjectName.size() == 1 && projectCode.equals(arrProjectCodeAndProjectName.get(0).get("PROJECT_CODE")) ) {
+					// 나 자신의 프로젝트가 검색된 거임.
+				} else {
+					jsonObject.put("result", "false");
+					jsonObject.put("resultCode", "The name already exists.");
+					jsonObject.put("message", "해당 사업명이 이미 있습니다. 다른 사업명으로 입력해 주세요.");					
+				}
 			} else {
 				jsonObject.put("result", "true");
 				jsonObject.put("message", "");
diff --git a/src/main/webapp/WEB-INF/views/web/input/meta_info.jsp b/src/main/webapp/WEB-INF/views/web/input/meta_info.jsp
index 5d260815..c87ff1ec 100644
--- a/src/main/webapp/WEB-INF/views/web/input/meta_info.jsp
+++ b/src/main/webapp/WEB-INF/views/web/input/meta_info.jsp
@@ -4,8 +4,28 @@
 
 <%@ include file="/include/inc_head_2021_new.jsp" %>
 
+<style>
+@keyframes shake {
+  0% { transform: translateX(0); }
+  10% { transform: translateX(-5px); }
+  20% { transform: translateX(5px); }
+  30% { transform: translateX(-5px); }
+  40% { transform: translateX(5px); }
+  50% { transform: translateX(-5px); }
+  60% { transform: translateX(5px); }
+  70% { transform: translateX(-5px); }
+  80% { transform: translateX(5px); }
+  90% { transform: translateX(-5px); }
+  100% { transform: translateX(0); }
+}
+
+.shake-animation {
+  animation: shake 0.6s;
+}
+</style>
+
 <script type="text/javaScript">
-//aaaaaaa
+
 //지자체 (행정구역)
 function fn_onSelChangeDis(code, subcd, selFrm, frm){
 	var subCode = selFrm.options[selFrm.selectedIndex].value;
@@ -93,7 +113,31 @@ function fn_save(rUrl){
 	document.frmMeta.submit();
 }
 
+function shakeAndHighlight(targetEle, message) {
+  var originalStyle = targetEle.style.border; // 원래 스타일 저장
 
+  // 빨간색 테두리 설정
+  targetEle.style.border = "2px solid red";
+
+  // 흔들리는 애니메이션 추가
+  targetEle.classList.add("shake-animation");
+
+
+  //1초 후 alert
+  setTimeout(function() {
+	if( typeof message != 'undefined' ) {
+		alert(message);
+	}
+  }, 100);
+
+  // 3초 후 원래 스타일로 복원
+  setTimeout(function() {
+    targetEle.style.border = originalStyle;
+    targetEle.classList.remove("shake-animation");
+	//targetEle.focus();
+  }, 3000);
+}
+	
 window.onload = function() {
 
 	var holeSpotSd = "${holeSpotSd}";
@@ -112,12 +156,50 @@ window.onload = function() {
 	fn_onkeyNumber("PHONE","phone");
 
 	var projectNameInput = document.getElementById("PROJECT_NAME");
-	projectNameInput.onfocusout = function() {
+	projectNameInput.addEventListener('focusout', function() {
 		var projectName = this.value;
-		alert('test');
-	};
+		projectCode = getProjectCode();
+
+		$.ajax({
+			type : "GET",
+			data : {
+				projectName : projectName,				
+				projectCode : projectCode,
+				isProjectNameChecking : "true"
+			},
+			url : "/project-duplicate-check.json",
+			dataType : "json",
+			success : function( json ){
+				resultData = json.result;
+				if(resultData == "false"){
+					shakeAndHighlight(projectNameInput, json.message);
+					//projectNameInput.value = '';
+					return false;
+				} else {
+					return true;
+				}
+			},
+			 error: function(xhr, option, error){
+			      alert(xhr.status); //오류코드
+			      alert(error); //오류내용
+			}
+		});
+	});
 };
 
+
+function getProjectCode() {
+  url = location.href;
+  var regex = /PROJECT_CODE=([^&]+)/;
+  var match = regex.exec(url);
+
+  if (match && match[1]) {
+    return match[1]; 
+  } else {
+    return null; // PROJECT_CODE를 찾지 못한 경우
+  }
+}
+
 /* 도움말 시작 */
 function fn_help_tour_confirm(){
 	var answer;
diff --git a/src/main/webapp/WEB-INF/views/web/input/meta_info1.jsp b/src/main/webapp/WEB-INF/views/web/input/meta_info1.jsp
index 22baffff..b3cbfa6c 100644
--- a/src/main/webapp/WEB-INF/views/web/input/meta_info1.jsp
+++ b/src/main/webapp/WEB-INF/views/web/input/meta_info1.jsp
@@ -2,7 +2,6 @@
 
 <%@ include file="/include/inc_head_2021_new.jsp" %>
 
-// CSS 애니메이션 추가 (head 태그 안에 넣거나 외부 CSS 파일에 추가)
 <style>
 @keyframes shake {
   0% { transform: translateX(0); }
diff --git a/src/main/webapp/WEB-INF/views/web/input/projectInfo.jsp b/src/main/webapp/WEB-INF/views/web/input/projectInfo.jsp
index 2785cb79..cd4a7e5f 100644
--- a/src/main/webapp/WEB-INF/views/web/input/projectInfo.jsp
+++ b/src/main/webapp/WEB-INF/views/web/input/projectInfo.jsp
@@ -39,15 +39,6 @@
 			frm.options[no] = new Option('선택', '');
 			no++;
 
-			var dis = JSON.parse('${result.commCode}');
-
-			for (var i = 0; i < dis.length; i++) {
-				if (code == dis[i].parentCode && subcd == dis[i].code && subCode == dis[i].parentCodeValue) {
-					frm.options[no] = new Option(dis[i].codeText, dis[i].codeValue);
-					no++;
-				}
-			}
-
 			frm.length = no;
 			frm.selectedIndex = 0;
 		}
@@ -900,7 +891,7 @@
 										<tr>
 											<th class="td-head">프로젝트명(사업명)</th>
 											<td colspan="4">
-												<input id="PROJECT_NAME" name="PROJECT_NAME" type="text" style="width: 100%;" value="${result.project.projectName}" maxlength="2000" valid="notnull" validNm="프로젝트명" />
+												<input id="PROJECT_NAME" name="PROJECT_NAME" type="text" style="width: 100%;" value="${result.project.projectName}" maxlength="2000" valid="notnull" validNm="프로젝트명" readonly disabled />
 											</td>
 										</tr>
 										<tr>