diff --git a/package.json b/package.json
index a0d55e4..68dfd37 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
     "app:build:win64": "electron-builder --win --x64"
   },
   "build": {
-    "asar": false,
+    "asar": true,
     "files": [
       "build/**/*",
       "node_modules/**/*",
diff --git a/src/client/page/gallery.tsx b/src/client/page/gallery.tsx
index a531a4b..7762d82 100644
--- a/src/client/page/gallery.tsx
+++ b/src/client/page/gallery.tsx
@@ -1,7 +1,7 @@
 import React, { useContext, useEffect, useState } from 'react';
-import { Headline, CommonMenuList,LoadingCircle, ContentInfo, NavList, NavItem } from '../component/mod';
+import { Headline, CommonMenuList,LoadingCircle, ContentInfo, NavList, NavItem, TagChip } from '../component/mod';
 
-import { Box, Paper, Link, useMediaQuery, Portal, List, ListItem, ListItemIcon, Tooltip, ListItemText } from '@material-ui/core';
+import { Box, Paper, Link, useMediaQuery, Portal, List, ListItem, ListItemIcon, Tooltip, ListItemText, Typography, Chip } from '@material-ui/core';
 import {useTheme, makeStyles, Theme} from '@material-ui/core/styles';
 import ContentAccessor,{QueryListOption, Document} from '../accessor/document';
 import {Link as RouterLink} from 'react-router-dom';
@@ -42,7 +42,15 @@ export const GalleryInfo = (props: GalleryProp)=>{
         return (<LoadingCircle/>);
     }
     else{
-        return (<Box className={classes.root}>{
+        return (<Box className={classes.root}>
+            {props.option !== undefined && props.diff !== "" && <Box>
+                <Typography variant="h6">search for</Typography>
+                {props.option.word !== undefined && <Chip label={"search : "+props.option.word}></Chip>}
+                {props.option.content_type !== undefined && <Chip label={"type : "+props.option.content_type}></Chip>}
+                {props.option.allow_tag !== undefined && props.option.allow_tag.map(x=>(
+                    <TagChip key={x} tagname={decodeURI(x)} label={decodeURI(x)}></TagChip>))}
+            </Box>}
+            {
             state.documents.map(x=>{
                 return (<ContentInfo document={x} key={x.id} 
                     gallery={`/search?${queryString}`} short/>);
@@ -56,7 +64,9 @@ export const Gallery = ()=>{
     const location = useLocation();
     const query = QueryStringToMap(location.search);
     const menu_list = CommonMenuList({url:location.search});
-    
+    let option: QueryListOption = query;
+    option.allow_tag = typeof option.allow_tag === "string" ? [option.allow_tag] : option.allow_tag;
+    option.limit = typeof query['limit'] === "string" ? parseInt(query['limit']) : undefined;
     return (<Headline menu={menu_list}>
         <GalleryInfo diff={location.search} option={query}></GalleryInfo>
     </Headline>)
diff --git a/src/client/state.tsx b/src/client/state.tsx
index b16d4e8..e03c1a8 100644
--- a/src/client/state.tsx
+++ b/src/client/state.tsx
@@ -1,5 +1,5 @@
 import React, { createContext, useRef, useState } from 'react';
-
+export const BackLinkContext = createContext({backLink:"",setBackLink:(s:string)=>{} });
 export const UserContext = createContext({
     username: "",
     permission: [] as string[],
@@ -10,7 +10,7 @@ export const UserContext = createContext({
 type LoginLocalStorage = {
     username: string,
     permission: string[],
-    refreshExpired: number
+    accessExpired: number
 };
 
 let localObj: LoginLocalStorage | null = null;
@@ -21,7 +21,7 @@ export const getInitialValue = async () => {
         const storage = storagestr !== null ? JSON.parse(storagestr) as LoginLocalStorage | null : null;
         localObj = storage;
     }   
-    if (localObj !== null && localObj.refreshExpired > Math.floor(Date.now() / 1000)) {
+    if (localObj !== null && localObj.accessExpired > Math.floor(Date.now() / 1000)) {
         return {
             username: localObj.username,
             permission: localObj.permission,
@@ -36,12 +36,12 @@ export const getInitialValue = async () => {
         localObj = {
             username: r.username,
             permission: r.permission,
-            refreshExpired: r.refreshExpired
+            accessExpired: r.accessExpired
         }
     }
     else {
         localObj = {
-            refreshExpired: 0,
+            accessExpired: 0,
             username: "",
             permission: r.permission
         }
@@ -59,7 +59,7 @@ export const doLogout = async () => {
     try {
         const res = await req.json();
         localObj = {
-            refreshExpired: 0,
+            accessExpired: 0,
             username: "",
             permission: res["permission"]
         }
diff --git a/src/login.ts b/src/login.ts
index cebdd65..2f3dce6 100644
--- a/src/login.ts
+++ b/src/login.ts
@@ -137,7 +137,7 @@ export const createLoginMiddleware = (userController: UserAccessor) =>
     ctx.body = {
       username: user.username,
       permission: userPermission,
-      refreshExpired: (Math.floor(Date.now() / 1000) + refreshExpiredTime),
+      accessExpired : (Math.floor(Date.now() / 1000) + accessExpiredTime),
     };
     console.log(`${username} logined`);
     return;
diff --git a/src/server.ts b/src/server.ts
index 86fb577..4bc12f3 100644
--- a/src/server.ts
+++ b/src/server.ts
@@ -81,7 +81,17 @@ class ServerApplication{
     }
     private serve_index(router:Router){
         const serveindex = (url:string)=>{
-            router.get(url, (ctx)=>{ctx.type = 'html'; ctx.body = this.index_html;})
+            router.get(url, (ctx)=>{
+                ctx.type = 'html'; ctx.body = this.index_html;
+                const setting = get_setting();
+                ctx.set('x-content-type-options','no-sniff');
+                if(setting.mode === "development"){
+                    ctx.set('cache-control','no-cache'); 
+                }
+                else{
+                    ctx.set('cache-control','public, max-age=3600');
+                }
+            })
         }
         serveindex('/');
         serveindex('/doc/:rest(.*)');
@@ -92,11 +102,19 @@ class ServerApplication{
         serveindex('/setting');
     }
     private serve_static_file(router: Router){
-        const setting = get_setting();
         const static_file_server = (path:string,type:string) => {
             router.get('/'+path,async (ctx,next)=>{
+                const setting = get_setting();
                 ctx.type = type; ctx.body = createReadStream(path);
-        })}
+                ctx.set('x-content-type-options','no-sniff');
+                if(setting.mode === "development"){
+                    ctx.set('cache-control','no-cache'); 
+                }
+                else{
+                    ctx.set('cache-control','public, max-age=3600');
+                }
+            })};
+        const setting = get_setting();
         static_file_server('dist/css/style.css','css');
         static_file_server('dist/js/bundle.js','js');
         if(setting.mode === "development")