diff --git a/scripts/.air-windows.toml b/scripts/.air-windows.toml
index a8346c9c..7c1e7f69 100644
--- a/scripts/.air-windows.toml
+++ b/scripts/.air-windows.toml
@@ -2,14 +2,14 @@ root = "."
 tmp_dir = ".air"
 
 [build]
-  bin = "./.air/memos.exe"
-  cmd = "go build -o ./.air/memos.exe ./main.go"
-  delay = 1000
-  exclude_dir = [".air", "web", "build"]
-  exclude_file = []
-  exclude_regex = []
-  exclude_unchanged = false
-  follow_symlink = false
-  full_bin = ""
-  send_interrupt = true
-  kill_delay = 2000
+bin = "./.air/memos.exe --mode dev"
+cmd = "go build -o ./.air/memos.exe ./main.go"
+delay = 1000
+exclude_dir = [".air", "web", "build"]
+exclude_file = []
+exclude_regex = []
+exclude_unchanged = false
+follow_symlink = false
+full_bin = ""
+send_interrupt = true
+kill_delay = 2000
diff --git a/scripts/.air.toml b/scripts/.air.toml
index 29b9f525..350d72de 100644
--- a/scripts/.air.toml
+++ b/scripts/.air.toml
@@ -2,14 +2,14 @@ root = "."
 tmp_dir = ".air"
 
 [build]
-  bin = "./.air/memos"
-  cmd = "go build -o ./.air/memos ./main.go"
-  delay = 1000
-  exclude_dir = [".air", "web", "build"]
-  exclude_file = []
-  exclude_regex = []
-  exclude_unchanged = false
-  follow_symlink = false
-  full_bin = ""
-  send_interrupt = true
-  kill_delay = 2000
+bin = "./.air/memos --mode dev"
+cmd = "go build -o ./.air/memos ./main.go"
+delay = 1000
+exclude_dir = [".air", "web", "build"]
+exclude_file = []
+exclude_regex = []
+exclude_unchanged = false
+follow_symlink = false
+full_bin = ""
+send_interrupt = true
+kill_delay = 2000
diff --git a/web/src/components/ChangePasswordDialog.tsx b/web/src/components/ChangePasswordDialog.tsx
index b79b9c8f..b5704e76 100644
--- a/web/src/components/ChangePasswordDialog.tsx
+++ b/web/src/components/ChangePasswordDialog.tsx
@@ -1,7 +1,7 @@
 import { useEffect, useState } from "react";
 import { toast } from "react-hot-toast";
 import { useTranslation } from "react-i18next";
-import { useUserStore } from "@/store/module";
+import { useGlobalStore, useUserStore } from "@/store/module";
 import Icon from "./Icon";
 import { generateDialog } from "./Dialog";
 
@@ -10,11 +10,16 @@ type Props = DialogProps;
 const ChangePasswordDialog: React.FC<Props> = ({ destroy }: Props) => {
   const { t } = useTranslation();
   const userStore = useUserStore();
+  const globalStore = useGlobalStore();
+  const profile = globalStore.state.systemStatus.profile;
   const [newPassword, setNewPassword] = useState("");
   const [newPasswordAgain, setNewPasswordAgain] = useState("");
 
   useEffect(() => {
-    // do nth
+    if (profile.mode === "demo" && userStore.state.user?.id === userStore.state.host?.id) {
+      toast.error("Demo mode does not support this operation.");
+      destroy();
+    }
   }, []);
 
   const handleCloseBtnClick = () => {
diff --git a/web/src/components/DemoBanner.tsx b/web/src/components/DemoBanner.tsx
new file mode 100644
index 00000000..89800150
--- /dev/null
+++ b/web/src/components/DemoBanner.tsx
@@ -0,0 +1,38 @@
+import { useEffect, useState } from "react";
+import { useGlobalStore } from "@/store/module";
+import Icon from "./Icon";
+
+interface State {
+  show: boolean;
+}
+
+const DemoBanner: React.FC = () => {
+  const globalStore = useGlobalStore();
+  const profile = globalStore.state.systemStatus.profile;
+  const [state, setState] = useState<State>({
+    show: false,
+  });
+
+  useEffect(() => {
+    const isDemo = profile.mode === "demo";
+    setState({
+      show: isDemo,
+    });
+  }, []);
+
+  if (!state.show) return null;
+
+  return (
+    <div className="flex flex-row items-center justify-center w-full py-2 text-lg font-medium dark:text-gray-300 bg-white dark:bg-zinc-700 shadow">
+      <div className="w-full max-w-6xl px-4 flex flex-row justify-between items-center gap-x-3">
+        <span>A lightweight, self-hosted memo hub. Open Source and Free forever.</span>
+        <a className="btn-primary shadow" href="https://usememos.com/docs/install/docker" target="_blank">
+          Install
+          <Icon.ExternalLink className="w-4 h-auto ml-1" />
+        </a>
+      </div>
+    </div>
+  );
+};
+
+export default DemoBanner;
diff --git a/web/src/layouts/Root.tsx b/web/src/layouts/Root.tsx
index fd27ddfd..7c779db1 100644
--- a/web/src/layouts/Root.tsx
+++ b/web/src/layouts/Root.tsx
@@ -1,11 +1,13 @@
 import { Outlet } from "react-router-dom";
 import Header from "@/components/Header";
 import UpgradeVersionBanner from "@/components/UpgradeVersionBanner";
+import DemoBanner from "@/components/DemoBanner";
 
 function Root() {
   return (
     <div className="w-full min-h-full bg-zinc-100 dark:bg-zinc-800">
       <div className="w-full h-auto flex flex-col justify-start items-center">
+        <DemoBanner />
         <UpgradeVersionBanner />
       </div>
       <div className="w-full max-w-6xl mx-auto flex flex-row justify-center items-start">