diff --git a/app.js b/app.js
index be667d9..4638618 100644
--- a/app.js
+++ b/app.js
@@ -7,50 +7,53 @@ const compression = require('compression');
 // 引入环境变量
 require("dotenv")
 	.config();
-
-// 引入一个个路由模块
-const danmakuRouter = require("./routes/danmaku.mjs").default;
 const app = express();
-// 加载路由
-app.use("/", danmakuRouter);
-// 启用gzip压缩
-app.use(compression());
+// 引入一个个路由模块
+// const danmakuRouter = require("./routes/danmaku.mjs").default;
+async function loadRouter() {
+  const { default: danmakuRouter } = await import('./routes/danmaku.mjs');
+  app.use("/", danmakuRouter);
 
-// view engine setup
-app.set("views", path.join(__dirname, "views"));
-app.set("view engine", "ejs");
-app.set("trust proxy", true);
+	// 启用gzip压缩
+	app.use(compression());
 
-app.use(logger("dev"));
-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"), {maxAge: 86400*1000 }));
-app.use(express.static(path.join(__dirname,"db")))
-app.use("/assets", [
-	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}),
-]);
+	// view engine setup
+	app.set("views", path.join(__dirname, "views"));
+	app.set("view engine", "ejs");
+	app.set("trust proxy", true);
+
+	app.use(logger("dev"));
+	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"), {maxAge: 86400*1000 }));
+	app.use(express.static(path.join(__dirname,"db")))
+	app.use("/assets", [
+		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}),
+	]);
 
 
 
-// catch 404 and forward to error handler
-app.use(function (req, res, next) {
-	next(createError(404));
-});
+	// catch 404 and forward to error handler
+	app.use(function (req, res, next) {
+		next(createError(404));
+	});
 
-// error handler
-app.use(function (err, req, res) {
-	// set locals, only providing error in development
-	res.locals.message = err.message;
-	res.locals.error = req.app.get("env") === "development" ? err : {};
+	// error handler
+	app.use(function (err, req, res) {
+		// set locals, only providing error in development
+		res.locals.message = err.message;
+		res.locals.error = req.app.get("env") === "development" ? err : {};
 
-	// render the error page
-	res.status(err.status || 500);
-	res.render("error");
-});
+		// render the error page
+		res.status(err.status || 500);
+		res.render("error");
+	});
+}
+loadRouter();
 
 module.exports = app;