diff --git a/i_entrance/j_icon_change.php b/i_entrance/j_icon_change.php
index 398bc839..99371dfc 100644
--- a/i_entrance/j_icon_change.php
+++ b/i_entrance/j_icon_change.php
@@ -48,7 +48,7 @@ if(!is_uploaded_file($image['tmp_name'])) {
     $response['result'] = false;
 } elseif(!$newExt) {
     //확장자 검사
-    $response['reason'] = 'jpg, gif, png 파일이 아닙니다!';
+    $response['reason'] = 'webp, jpg, gif, png 파일이 아닙니다!';
     $response['result'] = false;
 } elseif($image['size'] > 30720) {
     //파일크기 검사
@@ -70,7 +70,7 @@ if(!is_uploaded_file($image['tmp_name'])) {
     //이미지 저장
 
     while(true){
-        $newPicName = dechex(rand(0x000000f,0xfffffff)).$newExt; 
+        $newPicName = dechex(rand(0x000000f,0xfffffff)).$newExt;
         $dest = AppConf::getUserIconPathFS().'/'.$newPicName;
         if(file_exists($dest)){
             continue;
diff --git a/i_entrance/j_set_userlist.php b/i_entrance/j_set_userlist.php
index 931d1ae9..04c6905a 100644
--- a/i_entrance/j_set_userlist.php
+++ b/i_entrance/j_set_userlist.php
@@ -90,18 +90,18 @@ if($action == 'scrub_icon'){
 
     $cnt = 0;
 
-    foreach(glob(AppConf::getUserIconPathFS().'/*.{jpg,png,gif}', GLOB_BRACE) as $filepath){
+    foreach(glob(AppConf::getUserIconPathFS().'/*.{webp,jpg,png,gif}', GLOB_BRACE) as $filepath){
         $filename = basename($filepath);
-        
+
         if (array_key_exists($filename, $usedIcon)) {
             continue;
         }
-    
+
         $mtime = filemtime($filepath);
         if($mtime > $deleteUntil){
             continue;
         }
-    
+
         @unlink($filepath);
         $cnt++;
     }
@@ -115,8 +115,8 @@ if($action == 'scrub_icon'){
 if($action == 'scrub_old_user'){
     $deleteUntil = TimeUtil::nowAddMinutes(-60*24*30*6);
     $targetUser = [];
-    $members = $db->query('SELECT member.no, max(member_log.date) as loginDate from member 
-    left join member_log on member.`NO` = member_log.member_no and 
+    $members = $db->query('SELECT member.no, max(member_log.date) as loginDate from member
+    left join member_log on member.`NO` = member_log.member_no and
     (member_log.action_type="login" or member_log.action_type="reg") group by member.no');
     foreach($members as $member){
         if($member['loginDate'] === null){
@@ -186,7 +186,7 @@ if($action == 'delete'){
 }
 
 if($action == 'reset_pw'){
-    
+
     $newPassword = Util::randomStr(6);
     $tmpPassword = Util::hashPassword(RootDB::getGlobalSalt(), $newPassword);
     $newSalt = bin2hex(random_bytes(8));
diff --git a/i_entrance/user_info.php b/i_entrance/user_info.php
index b7d74229..07dd373a 100644
--- a/i_entrance/user_info.php
+++ b/i_entrance/user_info.php
@@ -138,7 +138,7 @@ require(__DIR__.'/../vendor/autoload.php');
                 <form name="change_icon_form" id="change_icon_form" method="post" enctype="multipart/form-data">
                     <input class="with_skin" type="text" readonly="readonly" id="image_upload_filename">
                     <button id="image_upload_fake_btn" class="with_skin">찾아보기</button>
-                    <input type="file" id="image_upload" name="image_upload" accept=".jpg,.jpeg,.png,.gif"><br>
+                    <input type="file" id="image_upload" name="image_upload" accept=".webp,.jpg,.jpeg,.png,.gif"><br>
                     <input class="with_skin" id="btn_image_submit" type="submit" value="아이콘 변경"> <button id="btn_remove_icon" class="with_skin">아이콘 제거</button>
                 </form>