diff --git a/src/main/resources/nlib/nlib.properties b/src/main/resources/nlib/nlib.properties
index b9387452..d4400855 100644
--- a/src/main/resources/nlib/nlib.properties
+++ b/src/main/resources/nlib/nlib.properties
@@ -93,7 +93,7 @@ list.paging.page.size = 10
 # \uba54\uc778\ud654\uba74 \uae30\ubcf8 \ubc30\ub108
 #----------------------------------------
 # \uba54\uc778\ud654\uba74 \uae30\ubcf8 \ubc30\ub108 \uc704\uce58 
-# \ub85c\uceec LLLLLLLLLLLLLLL
+# \ub85c\uceec \uc11c\ubc84
 #main.banner.img.path = C:/iams/workspace/nlib/src/main/webapp/images/bg/bg-mainbanner.jpg
 # \uac1c\ubc1c\uc11c\ubc84
 main.banner.img.path = /apps/tomcat/apache-tomcat-8.5.46_nlib/webapps/images/bg/bg-mainbanner.jpg
@@ -111,7 +111,7 @@ fileupload.max.mbsize = 10
 # \ucd5c\ub300 \ud30c\uc77c \uac1c\uc218 
 fileupload.max.files = 5
 # \ud30c\uc77c \uc5c5\ub85c\ub4dc \uac00\ub2a5 \ud655\uc7a5\uc790
-fileupload.acceptable.ext = image/*,.hwp,.xls,.xlsx,.ppt,.pptx,.doc,.docx,.txt             
+fileupload.acceptable.ext = .jpg,.jpe,.jpge,.bmp,.gif,.png,.hwp,.hwpx,.pdf,.xls,.xlsx,.ppt,.pptx,.doc,.docx,.txt             
 
 
 # \uc784\uc2dc \uc800\uc7a5 \uc704\uce58 
@@ -121,8 +121,8 @@ fileupload.temp.subpath = /temp
 fileupload.bbs.qna.subpath = /bbs/qna
 fileupload.bbs.ancmnt.subpath = /bbs/ancmnt
 
-# \uba54\uc77c \uacbd\ub85c
-# \ub85c\uceec LLLLLLLLLLLLLLL
+# \uc774\uba54\uc77c \ud15c\ud50c\ub9bf \uacbd\ub85c
+# \ub85c\uceec\uc11c\ubc84 
 #mailing.sender.membership.signUpTemplate    = C:/iams/workspace/nlib/src/main/webapp/WEB-INF/template/mail/signUp_mail_template.html
 #mailing.sender.membership.pwdTemplate = C:/iams/workspace/nlib/src/main/webapp/WEB-INF/template/mail/pwd_mail_template.html
 #mailing.sender.membership.certTemplate = C:/iams/workspace/nlib/src/main/webapp/WEB-INF/template/mail/cert_mail_template.html