diff --git a/app/lib/components/ChatInput.jsx b/app/lib/components/ChatInput.jsx
index 6036a74..4fd4c8f 100644
--- a/app/lib/components/ChatInput.jsx
+++ b/app/lib/components/ChatInput.jsx
@@ -36,7 +36,7 @@ class ChatInput extends React.Component {
 			<div data-component='ChatInput'>
 				<textarea
 					ref={(elem) => { this._textareaElem = elem; }}
-					placeholder={disabled ? '当前聊天不可用' : '请输入聊天内容'}
+					placeholder={disabled ? '当前聊天不可用' : '说点什么...'}
 					dir='auto'
 					autoComplete='off'
 					disabled={disabled}
diff --git a/app/lib/components/Me.jsx b/app/lib/components/Me.jsx
index 276ddbc..d057895 100644
--- a/app/lib/components/Me.jsx
+++ b/app/lib/components/Me.jsx
@@ -76,8 +76,8 @@ class Me extends React.Component
 			<div
 				data-component='Me'
 				ref={(node) => (this._rootNode = node)}
-				data-tip={tip}
-				data-tip-disable={!tip}
+				// data-tip={tip}
+				// data-tip-disable={!tip}
 			>
 				<If condition={connected}>
 					<div className='controls'>
diff --git a/app/stylus/components/ChatInput.styl b/app/stylus/components/ChatInput.styl
index b205c0a..a816b5a 100644
--- a/app/stylus/components/ChatInput.styl
+++ b/app/stylus/components/ChatInput.styl
@@ -34,7 +34,7 @@
 		border: none;
 
 		+placeholder() {
-			color: rgba(#fff, 0.35);
+			color: #C1C1D9;
 		}
 
 		&:disabled {
diff --git a/server/config.js b/server/config.js
index ebaeeca..f2243b5 100644
--- a/server/config.js
+++ b/server/config.js
@@ -13,11 +13,11 @@ const os = require('os');
 module.exports =
 {
 	// Listening hostname (just for `gulp live` task).
-	domain : process.env.DOMAIN || '0.0.0.0',
+	domain : process.env.DOMAIN || 'localhost',
 	// Signaling settings (protoo WebSocket server and HTTP API server).
 	https  :
 	{
-		listenIp   : '0.0.0.0', // 换成你的IP地址
+		listenIp   : '192.168.0.167', // 换成你的IP地址
 		// NOTE: Don't change listenPort (client app assumes 4443).
 		listenPort : process.env.PROTOO_LISTEN_PORT || 4443,
 		// NOTE: Set your own valid certificate files.
@@ -124,13 +124,13 @@ module.exports =
 			[
 				{
 					protocol         : 'udp',
-					ip               : process.env.MEDIASOUP_LISTEN_IP || '0.0.0.0', // 换成你的IP地址
+					ip               : process.env.MEDIASOUP_LISTEN_IP || '192.168.0.167', // 换成你的IP地址
 					announcedAddress : process.env.MEDIASOUP_ANNOUNCED_IP,
 					port             : 44444
 				},
 				{
 					protocol         : 'tcp',
-					ip               : process.env.MEDIASOUP_LISTEN_IP || '0.0.0.0', // 换成你的IP地址
+					ip               : process.env.MEDIASOUP_LISTEN_IP || '192.168.0.167', // 换成你的IP地址
 					announcedAddress : process.env.MEDIASOUP_ANNOUNCED_IP,
 					port             : 44444
 				}
@@ -147,7 +147,7 @@ module.exports =
 			[
 				{
 					protocol         : 'udp',
-					ip               : process.env.MEDIASOUP_LISTEN_IP || '0.0.0.0', // 换成你的IP地址
+					ip               : process.env.MEDIASOUP_LISTEN_IP || '192.168.0.167', // 换成你的IP地址
 					announcedAddress : process.env.MEDIASOUP_ANNOUNCED_IP,
 					portRange        :
 					{
@@ -157,7 +157,7 @@ module.exports =
 				},
 				{
 					protocol         : 'tcp',
-					ip               : process.env.MEDIASOUP_LISTEN_IP || '0.0.0.0', // 换成你的IP地址
+					ip               : process.env.MEDIASOUP_LISTEN_IP || '192.168.0.167', // 换成你的IP地址
 					announcedAddress : process.env.MEDIASOUP_ANNOUNCED_IP,
 					portRange        :
 					{
@@ -180,7 +180,7 @@ module.exports =
 			listenInfo :
 			{
 				protocol         : 'udp',
-				ip               : process.env.MEDIASOUP_LISTEN_IP || '0.0.0.0', // 换成你的IP地址
+				ip               : process.env.MEDIASOUP_LISTEN_IP || '192.168.0.167', // 换成你的IP地址
 				announcedAddress : process.env.MEDIASOUP_ANNOUNCED_IP,
 				portRange        :
 				{