diff --git a/app.js b/app.js
index 2b421f0..4b33e9a 100644
--- a/app.js
+++ b/app.js
@@ -24,12 +24,12 @@ app.use(express.json());
 app.use(express.urlencoded({ extended: false, validate: { trustProxy: false } }));
 app.use(cookieParser());
 // 加载静态资源
-app.use(express.static(path.join(__dirname, "public")));
+app.use(express.static(path.join(__dirname, "public"), {maxAge: 86400*1000 }));
 app.use("/assets", [
-	express.static(__dirname + "/node_modules/jquery/dist/"),
-	express.static(__dirname + "/node_modules/bootstrap/dist/"),
-	express.static(__dirname + "/node_modules/axios/dist/"),
-	express.static(__dirname + "/node_modules/leancloud-storage/dist"),
+	express.static(__dirname + "/node_modules/jquery/dist/",{maxAge: 86400*1000}),
+	express.static(__dirname + "/node_modules/bootstrap/dist/",{maxAge: 86400*1000}),
+	express.static(__dirname + "/node_modules/axios/dist/",{maxAge: 86400*1000}),
+	express.static(__dirname + "/node_modules/leancloud-storage/dist",{maxAge: 86400*1000}),
 ]);
 
 // 加载路由
diff --git a/routes/danmaku.js b/routes/danmaku.js
index 99d5ec2..839afc6 100644
--- a/routes/danmaku.js
+++ b/routes/danmaku.js
@@ -77,8 +77,10 @@ async function resolve(req, res) {
 	//B站视频，直接重定向
 	if (ret.url)
 		res.redirect(ret.url);
-	else
+	else {
+		res.set('Cache-Control', 'public, max-age=86400'); // one year
 		res.render("danmaku-xml", { contents: ret.content });
+	}
 }
 
 async function index(req, res) {