diff --git a/server/model/monitor.js b/server/model/monitor.js
index 9089b8306..161815277 100644
--- a/server/model/monitor.js
+++ b/server/model/monitor.js
@@ -11,6 +11,7 @@ const { tcping, ping, dnsResolve, checkCertificate, checkStatusCode, getTotalCli
 const { R } = require("redbean-node");
 const { BeanModel } = require("redbean-node/dist/bean-model");
 const { Notification } = require("../notification");
+const { demoMode } = require("../server");
 const version = require("../../package.json").version;
 const apicache = require("../modules/apicache");
 
@@ -363,6 +364,14 @@ class Monitor extends BeanModel {
             previousBeat = bean;
 
             if (! this.isStop) {
+
+                if (demoMode) {
+                    if (beatInterval < 20) {
+                        console.log("beat interval too low, reset to 20s");
+                        beatInterval = 20;
+                    }
+                }
+
                 this.heartbeatInterval = setTimeout(beat, beatInterval * 1000);
             }
 
diff --git a/server/server.js b/server/server.js
index 390c94095..67095ff53 100644
--- a/server/server.js
+++ b/server/server.js
@@ -1,12 +1,18 @@
 console.log("Welcome to Uptime Kuma");
+const args = require("args-parser")(process.argv);
+const { sleep, debug, getRandomInt, genSecret } = require("../src/util");
+
+debug(args);
 
 if (! process.env.NODE_ENV) {
     process.env.NODE_ENV = "production";
 }
 
-console.log("Node Env: " + process.env.NODE_ENV);
+// Demo Mode?
+const demoMode = args["demo"] || false;
+exports.demoMode = demoMode;
 
-const { sleep, debug, getRandomInt, genSecret } = require("../src/util");
+console.log("Node Env: " + process.env.NODE_ENV);
 
 console.log("Importing Node libraries");
 const fs = require("fs");
@@ -50,8 +56,6 @@ const { basicAuth } = require("./auth");
 const { login } = require("./auth");
 const passwordHash = require("./password-hash");
 
-const args = require("args-parser")(process.argv);
-
 const checkVersion = require("./check-version");
 console.info("Version: " + checkVersion.version);
 
@@ -70,6 +74,10 @@ const sslCert = process.env.SSL_CERT || args["ssl-cert"] || undefined;
  */
 const testMode = !!args["test"] || false;
 
+if (demoMode) {
+    console.log("==== Demo Mode ====");
+}
+
 console.log("Creating express and socket.io instance");
 const app = express();