diff --git a/packages/client/assets/style/host.css b/packages/client/assets/style/host.css
index 3d3039e93..64d634437 100644
--- a/packages/client/assets/style/host.css
+++ b/packages/client/assets/style/host.css
@@ -5,6 +5,7 @@
   display: grid;
   padding: 0 20px;
   height: 100vh;
+  min-width: 720px;
   grid-template-rows: 1fr 50px;
   grid-template-columns: 1fr 480px;
   grid-template-areas:
@@ -21,6 +22,7 @@
   grid-area: left;
   margin: 20px 0;
   color: var(--color-white);
+  width: calc(100vw - 480px - 20px * 2);
 
   & > .host-note {
     & pre {
diff --git a/packages/client/src/components/AppContainer.js b/packages/client/src/components/AppContainer.js
index 0384b7806..8584642b8 100644
--- a/packages/client/src/components/AppContainer.js
+++ b/packages/client/src/components/AppContainer.js
@@ -26,6 +26,7 @@ export class AppContainer extends React.Component {
 
     this.params = parsedUrl.searchParams;
     this.ContentComponent = null;
+    this.isLive = this.params.get('isLive');
 
     this.routeMode();
   }
@@ -118,8 +119,8 @@ export class AppContainer extends React.Component {
     }
 
     if (this.mode === 'host') {
-      this.setState({ opened: false });
-    } else if (process.env.IS_LIVE) {
+      this.setState({ opened: false, CommentsListComponent: null });
+    } else if (process.env.IS_LIVE && this.isLive !== 'false') {
       this.setupLive();
     }
   }
diff --git a/packages/client/src/components/CommentsList.js b/packages/client/src/components/CommentsList.js
index fa15fba30..f645ef817 100644
--- a/packages/client/src/components/CommentsList.js
+++ b/packages/client/src/components/CommentsList.js
@@ -26,8 +26,6 @@ export class CommentsList extends React.Component {
     this.ws.onmessage = ({ data }) => {
       const comments = JSON.parse(data);
 
-      console.log(comments);
-
       if (Array.isArray(comments) && comments.length !== 0) {
         if (comments[0].message === 'Rate limit exceeded') {
           // TODO: implement
diff --git a/packages/client/src/components/ContentView/Host.js b/packages/client/src/components/ContentView/Host.js
index 0a851086d..0502c0474 100644
--- a/packages/client/src/components/ContentView/Host.js
+++ b/packages/client/src/components/ContentView/Host.js
@@ -78,7 +78,7 @@ export default class Host extends React.PureComponent {
     const { origin, pathname } = new URL(window.location);
 
     this.slides = props.slides; // TODO: separate from current reference
-    this.slideUrl = `${origin}/${pathname}?sidebar=false#slide=`;
+    this.slideUrl = `${origin}/${pathname}?sidebar=false&isLive=false#slide=`;
     this.presentationController = new PresentationController();
     this.presentationApiId = null;
 
diff --git a/packages/fusuma/src/tasks.js b/packages/fusuma/src/tasks.js
index 46cb06350..f539fadf2 100644
--- a/packages/fusuma/src/tasks.js
+++ b/packages/fusuma/src/tasks.js
@@ -72,10 +72,7 @@ async function pdfProcess(basePath, { input: i, output: o }) {
   const spinner = loader('Exporting as PDF...').start();
 
   try {
-    const pack = '@fusuma/task-pdf';
-    // for debug
-    // const pack = join(__dirname, '../../task-pdf');
-
+    const pack = process.env.FUSUMA_DEBUG ? join(__dirname, '../../task-pdf') : '@fusuma/task-pdf';
     const pdf = await lazyloadModule(pack, (type) => {
       if (type === 'fallback') {
         spinner.color = 'yellow';
@@ -93,12 +90,6 @@ async function pdfProcess(basePath, { input: i, output: o }) {
 }
 
 async function live(basePath, { keyword, internal, port, dir }) {
-  if (!keyword) {
-    console.warn(
-      'Twitter mode is disabled. If you want to enable, you must specify an searched keyword'
-    );
-  }
-
   await buildProcess(basePath, {
     server: {
       port,
@@ -110,10 +101,9 @@ async function live(basePath, { keyword, internal, port, dir }) {
   const spinner = loader('Setup live mode...').start();
 
   try {
-    const pack = '@fusuma/task-live';
-    // for debug
-    // const pack = join(__dirname, '../../task-live');
-
+    const pack = process.env.FUSUMA_DEBUG
+      ? join(__dirname, '../../task-live')
+      : '@fusuma/task-live';
     const liveServer = await lazyloadModule(pack, (type) => {
       if (type === 'fallback') {
         spinner.color = 'yellow';
diff --git a/packages/task-live/src/index.js b/packages/task-live/src/index.js
index 084d9ca03..f8f2b28fa 100644
--- a/packages/task-live/src/index.js
+++ b/packages/task-live/src/index.js
@@ -38,6 +38,10 @@ function setupServer({ port = 3000, keyword, interval = 6000, dir = 'dist' }) {
 
       console.info('Twitter mode is enabled.');
     }
+  } else {
+    console.warn(
+      'Twitter mode is disabled. If you want to enable, you must specify an searched keyword'
+    );
   }
 
   const app = express();
diff --git a/samples/intro/package.json b/samples/intro/package.json
index a4352c6dc..63d5ccdc6 100644
--- a/samples/intro/package.json
+++ b/samples/intro/package.json
@@ -6,9 +6,9 @@
   "scripts": {
     "start": "node ../../packages/fusuma/src/cli.js start",
     "build": "node ../../packages/fusuma/src/cli.js build",
-    "pdf": "node ../../packages/fusuma/src/cli.js pdf",
-    "live": "node ../../packages/fusuma/src/cli.js live -w '#javascript'",
-    "live:local": "node ../../packages/fusuma/src/cli.js live"
+    "pdf": "FUSUMA_DEBUG=true node ../../packages/fusuma/src/cli.js pdf",
+    "live": "FUSUMA_DEBUG=true node ../../packages/fusuma/src/cli.js live -w '#javascript'",
+    "live:local": "FUSUMA_DEBUG=true node ../../packages/fusuma/src/cli.js live"
   },
   "author": "hiroppy <git@hiroppy.me> (https://hiroppy.me)",
   "license": "MIT",