diff --git a/src/main/webapp/WEB-INF/jsp/seed/_extra/gtm/trublprocessmng/cfrnctrnsferPop.jsp b/src/main/webapp/WEB-INF/jsp/seed/_extra/gtm/trublprocessmng/cfrnctrnsferPop.jsp
index 53310afe..9e8de939 100644
--- a/src/main/webapp/WEB-INF/jsp/seed/_extra/gtm/trublprocessmng/cfrnctrnsferPop.jsp
+++ b/src/main/webapp/WEB-INF/jsp/seed/_extra/gtm/trublprocessmng/cfrnctrnsferPop.jsp
@@ -198,8 +198,8 @@
         totFileSize 			= sizeData;
         sizeData					= sizeData.toFixed(2);
 
-        if(totFileSize > 100){
-            alert("첨부파일 크기가 100Mbyte를 넘었습니다.");
+        if(totFileSize > 500){
+            alert("첨부파일 크기가 500Mbyte를 넘었습니다.");
             return;
         }
 
diff --git a/src/main/webapp/WEB-INF/jsp/seed/_extra/gtm/trublprocessmng/fileAtchPop.jsp b/src/main/webapp/WEB-INF/jsp/seed/_extra/gtm/trublprocessmng/fileAtchPop.jsp
index f52cef9e..c1a5bdf8 100644
--- a/src/main/webapp/WEB-INF/jsp/seed/_extra/gtm/trublprocessmng/fileAtchPop.jsp
+++ b/src/main/webapp/WEB-INF/jsp/seed/_extra/gtm/trublprocessmng/fileAtchPop.jsp
@@ -165,8 +165,8 @@ function jf_upload_set(fileName, reFileName, fileSize, fileType){
 	var totFileSize 			= sizeData;
 	sizeData					= sizeData.toFixed(2);
 	
-	if(totFileSize > 30){
-		alert("첨부파일 크기가 30Mbyte를 넘었습니다.");
+	if(totFileSize > 500){
+		alert("첨부파일 크기가 500Mbyte를 넘었습니다.");
 		return;
 	}
 	
diff --git a/src/main/webapp/WEB-INF/jsp/seed/_extra/gtm/trublprocessmng/sameTimeFileAtchPop.jsp b/src/main/webapp/WEB-INF/jsp/seed/_extra/gtm/trublprocessmng/sameTimeFileAtchPop.jsp
index df2e01c9..9b0fc274 100644
--- a/src/main/webapp/WEB-INF/jsp/seed/_extra/gtm/trublprocessmng/sameTimeFileAtchPop.jsp
+++ b/src/main/webapp/WEB-INF/jsp/seed/_extra/gtm/trublprocessmng/sameTimeFileAtchPop.jsp
@@ -165,8 +165,8 @@ function jf_upload_set(fileName, reFileName, fileSize, fileType){
 	var totFileSize 			= sizeData;
 	sizeData					= sizeData.toFixed(2);
 	
-	if(totFileSize > 30){
-		alert("첨부파일 크기가 30Mbyte를 넘었습니다.");
+	if(totFileSize > 500){
+		alert("첨부파일 크기가 500Mbyte를 넘었습니다.");
 		return;
 	}
 	
diff --git a/src/main/webapp/WEB-INF/views/_common/_js/mediationFileUtil.js b/src/main/webapp/WEB-INF/views/_common/_js/mediationFileUtil.js
index ff5debe0..6b178019 100644
--- a/src/main/webapp/WEB-INF/views/_common/_js/mediationFileUtil.js
+++ b/src/main/webapp/WEB-INF/views/_common/_js/mediationFileUtil.js
@@ -129,8 +129,8 @@ function jf_upload_set(fileName, reFileName, fileSize, fileType, copyContractYn)
 	var totFileSize 			= sizeData;
 	sizeData					= sizeData.toFixed(2);
 	
-	if(totFileSize > 30){
-		alert("첨부파일 크기가 30Mbyte를 넘었습니다.");
+	if(totFileSize > 500){
+		alert("첨부파일 크기가 500Mbyte를 넘었습니다.");
 		return;
 	}
 	
diff --git a/src/main/webapp/WEB-INF/views/_common/_js/seedFileUtil.js b/src/main/webapp/WEB-INF/views/_common/_js/seedFileUtil.js
index ecf27c56..e8afb1a3 100644
--- a/src/main/webapp/WEB-INF/views/_common/_js/seedFileUtil.js
+++ b/src/main/webapp/WEB-INF/views/_common/_js/seedFileUtil.js
@@ -72,8 +72,8 @@ function jf_upload_set(fileName, reFileName, fileSize, fileType){
 	var totFileSize 			= sizeData;
 	sizeData					= sizeData.toFixed(2);
 	
-	if(totFileSize > 30){
-		alert("첨부파일 크기가 30Mbyte를 넘었습니다.");
+	if(totFileSize > 500){
+		alert("첨부파일 크기가 500Mbyte를 넘었습니다.");
 		return;
 	}