diff --git a/plugins/l2tp/index.py b/plugins/l2tp/index.py
index 7f46c419d..7f24a8b1e 100755
--- a/plugins/l2tp/index.py
+++ b/plugins/l2tp/index.py
@@ -141,6 +141,20 @@ def delUser():
     if ret[1] == '':
         return public.returnJson(True, '删除成功!:' + ret[0])
     return public.returnJson(False, '删除失败:' + ret[0])
+
+
+def modUser():
+    args = getArgs()
+    data = checkArgs(args, ['username', 'password'])
+    if not data[0]:
+        return data[1]
+
+    ret = public.execShell('echo ' + args['username'] + '|l2tp -d')
+    if ret[1] == '':
+        return public.returnJson(True, '修改成功!:' + ret[0])
+    return public.returnJson(False, '修改失败:' + ret[0])
+
+
 if __name__ == "__main__":
     func = sys.argv[1]
     if func == 'status':
@@ -161,5 +175,7 @@ if __name__ == "__main__":
         print addUser()
     elif func == 'del_user':
         print delUser()
+    elif func == 'mod_user':
+        print modUser()
     else:
         print 'error'
diff --git a/plugins/l2tp/js/l2tp.js b/plugins/l2tp/js/l2tp.js
index 3e616dced..7d7942d8d 100755
--- a/plugins/l2tp/js/l2tp.js
+++ b/plugins/l2tp/js/l2tp.js
@@ -72,7 +72,7 @@ function userList(){
             con += '<tr>'+
                 '<td>' + list[i]['user']+'</td>' +
                 '<td>' + list[i]['pwd']+'</td>' +
-                '<td><a class="btlink" onclick="modPwd()">改密</a>|<a class="btlink" onclick="delUser(\''+list[i]['user']+'\')">删除</a></td></tr>';
+                '<td><a class="btlink" onclick="modUser(\''+list[i]['user']+'\')">改密</a>|<a class="btlink" onclick="delUser(\''+list[i]['user']+'\')">删除</a></td></tr>';
         }
 
         con += '</tbody>';
@@ -93,16 +93,11 @@ function addUser(){
                 <div><input class='bt-input-text mr5 outline_no' type='text' id='username' name='username' style='height: 28px; border-radius: 3px;width: 200px;' placeholder='输入用户名'></div>\
             </div>\
             <div class='bt-form-submit-btn'>\
-                <button type='button' id='add_close' class='btn btn-danger btn-sm btn-title'>关闭</button>\
                 <button type='button' id='add_ok' class='btn btn-success btn-sm btn-title bi-btn'>确认</button>\
             </div>\
         </div>"
     });
 
-    $('#add_close').click(function(){
-        layer.close(loadOpen);
-    });
-
     $('#add_ok').click(function(){
         _data = {};
         _data['username'] = $('#username').val();
@@ -124,3 +119,32 @@ function delUser(username){
     });
 }
 
+function modUser(username){
+    var loadOpen = layer.open({
+        type: 1,
+        title: '修改密码',
+        area: '240px',
+        content:"<div class='bt-form pd20 pb70 c6'>\
+            <div class='version line'>\
+                <div><input class='bt-input-text mr5 outline_no' type='text' name='password' style='height: 28px; border-radius: 3px;width: 200px;' placeholder='输入密码'></div>\
+            </div>\
+            <div class='bt-form-submit-btn'>\
+                <button type='button' id='mod_ok' class='btn btn-success btn-sm btn-title bi-btn'>确认</button>\
+            </div>\
+        </div>"
+    });
+
+    $('#mod_ok').click(function(){
+        _data = {};
+        _data['username'] = username;
+        _data['password'] = $('#password').val();
+        var loadT = layer.msg('正在获取...', { icon: 16, time: 0, shade: 0.3 });
+        lpPost('add_user', _data, function(data){
+            var rdata = $.parseJSON(data.data);
+            layer.close(loadOpen);
+            layer.msg(rdata.msg,{icon:rdata.status?1:2,time:2000,shade: [0.3, '#000']});
+            setTimeout(function(){userList();},2000);
+        });
+    });
+}
+
diff --git a/plugins/l2tp/scripts/l2tp.sh b/plugins/l2tp/scripts/l2tp.sh
index 8cd0b23e0..72b769a63 100644
--- a/plugins/l2tp/scripts/l2tp.sh
+++ b/plugins/l2tp/scripts/l2tp.sh
@@ -783,6 +783,26 @@ mod_user(){
     echo "Username ${user}'s password has been changed."
 }
 
+
+mod_user2(){
+    if [ $1 == ''];then
+        echo 'user name cannot be empty'
+        exit 1
+    fi
+
+    if [ $2 == ''];then
+        echo 'password cannot be empty'
+        exit 1
+    fi
+    user=$1
+    pass=$2
+    sed -i "/^\<${user}\>/d" /etc/ppp/chap-secrets
+    echo "${user}    l2tpd    ${pass}       *" >> /etc/ppp/chap-secrets
+    echo "Username ${user}'s password has been changed."
+}
+
+
+
 # Main process
 action=$1
 if [ -z ${action} ] && [ "`basename $0`" != "l2tp" ]; then
@@ -803,7 +823,7 @@ case ${action} in
         del_user
         ;;
     -m|--mod)
-        mod_user
+        mod_user2
         ;;
     -h|--help)
         echo "Usage: `basename $0` -l,--list   List all users"