diff --git a/im-platform/src/main/java/com/bx/implatform/dto/RegisterDTO.java b/im-platform/src/main/java/com/bx/implatform/dto/RegisterDTO.java
index f6998e9..37a0c51 100644
--- a/im-platform/src/main/java/com/bx/implatform/dto/RegisterDTO.java
+++ b/im-platform/src/main/java/com/bx/implatform/dto/RegisterDTO.java
@@ -20,7 +20,6 @@ public class RegisterDTO {
     private String password;
 
     @Length(max = 20, message = "昵称不能大于20字符")
-    @NotEmpty(message = "用户昵称不可为空")
     @Schema(description = "用户昵称")
     private String nickName;
 
diff --git a/im-platform/src/main/java/com/bx/implatform/service/impl/UserServiceImpl.java b/im-platform/src/main/java/com/bx/implatform/service/impl/UserServiceImpl.java
index 5e516f3..938dd07 100644
--- a/im-platform/src/main/java/com/bx/implatform/service/impl/UserServiceImpl.java
+++ b/im-platform/src/main/java/com/bx/implatform/service/impl/UserServiceImpl.java
@@ -1,5 +1,6 @@
 package com.bx.implatform.service.impl;
 
+import cn.hutool.core.util.StrUtil;
 import com.alibaba.fastjson.JSON;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
@@ -109,6 +110,10 @@ public class UserServiceImpl extends ServiceImpl<UserMapper, User> implements Us
 
     @Override
     public void register(RegisterDTO dto) {
+        // 昵称默认跟用户名保持一致
+        if(StrUtil.isEmpty(dto.getNickName())){
+            dto.setUserName(dto.getUserName());
+        }
         User user = this.findUserByUserName(dto.getUserName());
         if(!dto.getUserName().equals(sensitiveFilterUtil.filter(dto.getUserName()))){
             throw new GlobalException("用户名包含敏感字符");
diff --git a/im-web/src/assets/style/element.scss b/im-web/src/assets/style/element.scss
index 8a26ba9..b5f8399 100644
--- a/im-web/src/assets/style/element.scss
+++ b/im-web/src/assets/style/element.scss
@@ -104,9 +104,27 @@ $--font-family: Microsoft YaHei, 'Avenir', Helvetica, Arial, sans-serif;
   font-family: $--font-family;
 }
 
-.el-tag--mini {
-  height: 18px;
-  padding: 0 2px;
+
+.el-tag {
+  font-size: 10px;
+  height: 16px;
   line-height: 16px;
-  border-radius: 2px;
-}
+  text-align: center;
+  border-radius: 5px;
+  border: 0;
+  margin-left: 3px;
+  padding: 0 3px !important;
+  color: white !important;
+
+  &.el-tag--primary {
+    background: var(--im-color-primary-light-4);
+  }
+
+  &.el-tag--warning {
+    background: var(--im-color-warning);
+  }
+
+  &.el-tag--danger {
+    background: var(--im-color-danger);
+  }
+}
\ No newline at end of file
diff --git a/im-web/src/assets/style/im.scss b/im-web/src/assets/style/im.scss
index 0382d46..901bb20 100644
--- a/im-web/src/assets/style/im.scss
+++ b/im-web/src/assets/style/im.scss
@@ -44,9 +44,9 @@
   --im-box-shadow-dark: 0px 16px 48px 16px rgba(0, 0, 0, .08), 0px 12px 32px rgba(0, 0, 0, .12), 0px 8px 16px -8px rgba(0, 0, 0, .16);
 
   // 背景色
-  --im-background: #F3F3F3;
-  --im-background-active: #F1F1F1;
-  --im-background-active-dark: #E9E9E9;
+  --im-background: white;
+  --im-background-active: #f4f4fc;
+  --im-background-active-dark: var(--im-color-primary-light-9);
 }
 
 html {
@@ -83,6 +83,12 @@ section {
   border-radius: 4px;
 }
 
+.el-scrollbar__thumb {
+  border-radius: 4px;
+  background: var(--im-color-primary-light-9) !important;
+
+}
+
 .search-input {
   .el-input__inner {
     border: unset !important;
diff --git a/im-web/src/components/chat/ChatBox.vue b/im-web/src/components/chat/ChatBox.vue
index 98a9182..69152a1 100644
--- a/im-web/src/components/chat/ChatBox.vue
+++ b/im-web/src/components/chat/ChatBox.vue
@@ -883,7 +883,7 @@ export default {
 
 		.im-chat-main {
 			padding: 0;
-			background-color: #fff;
+			background-color: #f4f5f6;
 
 			.im-chat-box {
 				>ul {
diff --git a/im-web/src/components/chat/ChatItem.vue b/im-web/src/components/chat/ChatItem.vue
index c997ef4..305e5cc 100644
--- a/im-web/src/components/chat/ChatItem.vue
+++ b/im-web/src/components/chat/ChatItem.vue
@@ -9,7 +9,7 @@
 			<div class="chat-name">
 				<div class="chat-name-text">
 					<div>{{ chat.showName }}</div>
-					<el-tag v-if="chat.type == 'GROUP'" size="mini">群</el-tag>
+					<el-tag v-if="chat.type == 'GROUP'" type="primary" size="mini">群</el-tag>
 				</div>
 				<div class="chat-time-text">{{ showTime }}</div>
 			</div>
@@ -117,14 +117,16 @@ export default {
 
 <style lang="scss" scoped>
 .chat-item {
-	height: 50px;
+	height: 56px;
 	display: flex;
 	position: relative;
-	padding: 5px 10px;
+	margin: 0 3px;
+	padding: 5px 8px;
 	align-items: center;
 	background-color: var(--im-background);
 	white-space: nowrap;
 	cursor: pointer;
+	border-radius: 10px;
 
 	&:hover {
 		background-color: var(--im-background-active);
@@ -166,8 +168,8 @@ export default {
 
 		.chat-name {
 			display: flex;
-			line-height: 20px;
-			height: 20px;
+			line-height: 26px;
+			height: 26px;
 
 			.chat-name-text {
 				flex: 1;
@@ -176,14 +178,6 @@ export default {
 				font-size: var(--im-font-size);
 				white-space: nowrap;
 				overflow: hidden;
-
-				.el-tag {
-					min-width: 22px;
-					text-align: center;
-					border-radius: 10px;
-					border: 0;
-					height: 16px;
-				}
 			}
 
 			.chat-time-text {
@@ -198,7 +192,7 @@ export default {
 
 		.chat-content {
 			display: flex;
-			line-height: 22px;
+			line-height: 24px;
 
 			.chat-at-text {
 				color: #c70b0b;
diff --git a/im-web/src/components/chat/ChatMessageItem.vue b/im-web/src/components/chat/ChatMessageItem.vue
index 9212a51..edb801c 100644
--- a/im-web/src/components/chat/ChatMessageItem.vue
+++ b/im-web/src/components/chat/ChatMessageItem.vue
@@ -23,7 +23,7 @@
 						<span class="message-text" v-if="isTextMessage" v-html="htmlText"></span>
 						<div class="message-image" v-else-if="msgInfo.type == $enums.MESSAGE_TYPE.IMAGE"
 							@click="showFullImageBox()">
-								<img :style="imageStyle" :src="contentData.thumbUrl" loading="lazy" />
+							<img :style="imageStyle" :src="contentData.thumbUrl" loading="lazy" />
 						</div>
 						<div class="message-file" v-else-if="msgInfo.type == $enums.MESSAGE_TYPE.FILE">
 							<div class="chat-file-box" v-loading="sending">
@@ -116,7 +116,7 @@ export default {
 	},
 	methods: {
 		onSendFail() {
-			this.$emit("resend",this.msgInfo);
+			this.$emit("resend", this.msgInfo);
 		},
 		showFullImageBox() {
 			let imageUrl = JSON.parse(this.msgInfo.content).originUrl;
@@ -301,18 +301,6 @@ export default {
 					white-space: pre-wrap;
 					word-break: break-word;
 
-					&:after {
-						content: "";
-						position: absolute;
-						left: -10px;
-						top: 13px;
-						width: 0;
-						height: 0;
-						border-style: solid dashed dashed;
-						border-color: #eee transparent transparent;
-						overflow: hidden;
-						border-width: 10px;
-					}
 				}
 
 				.message-image {
@@ -320,6 +308,7 @@ export default {
 					border: 2px solid var(--im-color-primary-light-9);
 					overflow: hidden;
 					cursor: pointer;
+					background: var(--im-background);
 				}
 
 				.message-file {
@@ -329,6 +318,7 @@ export default {
 					align-items: center;
 					cursor: pointer;
 					margin-bottom: 2px;
+					background: var(--im-background);
 
 					.chat-file-box {
 						display: flex;
@@ -466,12 +456,6 @@ export default {
 					.message-text {
 						background-color: var(--im-color-primary-light-2);
 						color: #fff;
-
-						&:after {
-							left: auto;
-							right: -10px;
-							border-top-color: var(--im-color-primary-light-2);
-						}
 					}
 
 					.chat-action {
diff --git a/im-web/src/components/common/FullImage.vue b/im-web/src/components/common/FullImage.vue
index dcfdb3f..2999dd3 100644
--- a/im-web/src/components/common/FullImage.vue
+++ b/im-web/src/components/common/FullImage.vue
@@ -64,12 +64,23 @@ export default {
 	}
 
 	.close {
+		display: flex;
+		align-items: center;
+		justify-content: center;
 		position: fixed;
-		top: 10px;
-		right: 10px;
-		color: white;
-		font-size: 25px;
+		top: 20px;
+		right: 20px;
 		cursor: pointer;
+		background: #333;
+		border-radius: 50%;
+		padding: 10px;
+		opacity: 0.5;
+
+		i {
+			font-weight: bold;
+			font-size: 20px;
+			color: white;
+		}
 	}
 }
 </style>
\ No newline at end of file
diff --git a/im-web/src/components/friend/AddFriend.vue b/im-web/src/components/friend/AddFriend.vue
index 902fc8b..8bb9a4c 100644
--- a/im-web/src/components/friend/AddFriend.vue
+++ b/im-web/src/components/friend/AddFriend.vue
@@ -21,7 +21,7 @@
 							<div>用户名:{{ user.userName }}</div>
 						</div>
 					</div>
-					<el-button type="success" size="mini" v-show="!isFriend(user.id)"
+					<el-button type="primary" size="mini" v-show="!isFriend(user.id)"
 						@click="onAddFriend(user)">添加</el-button>
 					<el-button type="info" size="mini" v-show="isFriend(user.id)" plain disabled>已添加</el-button>
 				</div>
diff --git a/im-web/src/components/friend/FriendItem.vue b/im-web/src/components/friend/FriendItem.vue
index 5ff8d26..1753391 100644
--- a/im-web/src/components/friend/FriendItem.vue
+++ b/im-web/src/components/friend/FriendItem.vue
@@ -74,9 +74,11 @@ export default {
 	height: 50px;
 	display: flex;
 	position: relative;
-	padding: 5px 10px;
 	align-items: center;
 	white-space: nowrap;
+	border-radius: 10px;
+	margin: 0 3px;
+	padding: 5px 8px;
 	cursor: pointer;
 
 	&:hover {
diff --git a/im-web/src/components/group/GroupItem.vue b/im-web/src/components/group/GroupItem.vue
index c2caedd..4e8be7d 100644
--- a/im-web/src/components/group/GroupItem.vue
+++ b/im-web/src/components/group/GroupItem.vue
@@ -36,9 +36,9 @@ export default {
 	height: 50px;
 	display: flex;
 	position: relative;
-	padding: 5px 10px;
-	align-items: center;
-	white-space: nowrap;
+	border-radius: 10px;
+	margin: 0 3px;
+	padding: 5px 8px;
 	cursor: pointer;
 
 	&:hover {
diff --git a/im-web/src/components/group/GroupMemberItem.vue b/im-web/src/components/group/GroupMemberItem.vue
index f4f3cb8..4d0a4c3 100644
--- a/im-web/src/components/group/GroupMemberItem.vue
+++ b/im-web/src/components/group/GroupMemberItem.vue
@@ -45,14 +45,16 @@ export default {
     align-items: center;
     white-space: nowrap;
     box-sizing: border-box;
+    border-radius: 5px;
+    margin: 0 1px;
 
-    &:hover {
-        background-color: var(--im-background-active);
-    }
+	&:hover {
+		background-color: var(--im-background-active);
+	}
 
-    &.active {
-        background-color: #eeeeee;
-    }
+	&.active {
+		background-color: var(--im-background-active-dark);
+	}
 
     .member-name {
         flex: 1;
diff --git a/im-web/src/store/configStore.js b/im-web/src/store/configStore.js
index 86321c2..445d904 100644
--- a/im-web/src/store/configStore.js
+++ b/im-web/src/store/configStore.js
@@ -5,6 +5,7 @@ export default defineStore('configStore', {
 	state: () => {
 		return {
 			appInit: false,  // 应用是否完成初始化
+			fullScreen: true, // 当前是否全屏
 			webrtc: {}
 		}
 	},
@@ -15,6 +16,9 @@ export default defineStore('configStore', {
 		setAppInit(appInit) {
 			this.appInit = appInit;
 		},
+		setFullScreen(fullScreen) {
+			this.fullScreen = fullScreen;
+		},
 		loadConfig() {
 			return new Promise((resolve, reject) => {
 				http({
diff --git a/im-web/src/view/Chat.vue b/im-web/src/view/Chat.vue
index 8ce5808..303d22e 100644
--- a/im-web/src/view/Chat.vue
+++ b/im-web/src/view/Chat.vue
@@ -1,6 +1,6 @@
 <template>
   <el-container class="chat-page">
-    <el-aside width="260px" class="aside">
+    <el-aside width="260px" class="aside" :class="{ fullscreen: configStore.fullScreen }">
       <div class="header">
         <el-input class="search-text" size="small" placeholder="搜索" v-model="searchText">
           <i class="el-icon-search el-input__icon" slot="prefix"> </i>
@@ -100,13 +100,15 @@ export default {
   .aside {
     display: flex;
     flex-direction: column;
-    background: var(--im-background);
+    background: white;
+    border-right: 1px solid #eee;
 
-    .header {
-      height: 50px;
-      display: flex;
-      align-items: center;
-      padding: 0 8px;
+    &.fullscreen {
+      width: 260px !important;
+
+      @media (min-width: 1200px) {
+        width: 290px !important;
+      }
     }
 
     .chat-loading {
diff --git a/im-web/src/view/Friend.vue b/im-web/src/view/Friend.vue
index 3a33538..f9ea0cd 100644
--- a/im-web/src/view/Friend.vue
+++ b/im-web/src/view/Friend.vue
@@ -1,6 +1,6 @@
 <template>
 	<el-container class="friend-page">
-		<el-aside width="260px" class="aside">
+		<el-aside width="260px" class="aside" :class="{ fullscreen: configStore.fullScreen }">
 			<div class="header">
 				<el-input class="search-text" size="small" placeholder="搜索" v-model="searchText">
 					<i class="el-icon-search el-input__icon" slot="prefix"> </i>
@@ -227,6 +227,15 @@ export default {
 		display: flex;
 		flex-direction: column;
 		background: var(--im-background);
+		border-right: 1px solid #eee;
+
+		&.fullscreen {
+			width: 260px !important;
+
+			@media (min-width: 1200px) {
+				width: 290px !important;
+			}
+		}
 
 		.header {
 			height: 50px;
diff --git a/im-web/src/view/Group.vue b/im-web/src/view/Group.vue
index d995306..1edc145 100644
--- a/im-web/src/view/Group.vue
+++ b/im-web/src/view/Group.vue
@@ -1,6 +1,6 @@
 <template>
 	<el-container class="group-page">
-		<el-aside width="260px" class="aside">
+		<el-aside width="260px" class="aside" :class="{ fullscreen: configStore.fullScreen }">
 			<div class="header">
 				<el-input class="search-text" size="small" placeholder="搜索" v-model="searchText">
 					<i class="el-icon-search el-input__icon" slot="prefix"> </i>
@@ -353,6 +353,15 @@ export default {
 		display: flex;
 		flex-direction: column;
 		background: var(--im-background);
+		border-right: 1px solid #eee;
+
+		&.fullscreen {
+			width: 260px !important;
+
+			@media (min-width: 1200px) {
+				width: 290px !important;
+			}
+		}
 
 		.header {
 			height: 50px;
diff --git a/im-web/src/view/Home.vue b/im-web/src/view/Home.vue
index 233bbf3..49a252f 100644
--- a/im-web/src/view/Home.vue
+++ b/im-web/src/view/Home.vue
@@ -1,6 +1,6 @@
 <template>
 	<div class="home-page" @click="closeUserInfo">
-		<div class="app-container" :class="{ fullscreen: isFullscreen }">
+		<div class="app-container" :class="{ fullscreen: configStore.fullScreen }">
 			<div class="navi-bar">
 				<div class="navi-bar-box">
 					<div class="top">
@@ -30,7 +30,7 @@
 					</div>
 
 					<div class="botoom">
-						<div class="bottom-item" @click="isFullscreen = !isFullscreen">
+						<div class="bottom-item" @click="onSwtichFullScreen">
 							<i class="el-icon-full-screen"></i>
 						</div>
 						<div class="bottom-item" @click="showSetting">
@@ -77,7 +77,6 @@ export default {
 		return {
 			showSettingDialog: false,
 			lastPlayAudioTime: new Date().getTime() - 1000,
-			isFullscreen: true,
 			reconnecting: false,
 			privateMessagesBuffer: [],
 			groupMessagesBuffer: []
@@ -204,7 +203,7 @@ export default {
 			this.chatStore.clear();
 			this.userStore.clear();
 		},
-				pullOfflineMessage() {
+		pullOfflineMessage() {
 			this.chatStore.setLoading(true);
 			const promises = [];
 			promises.push(this.pullPrivateOfflineMessage(this.chatStore.privateMsgMaxId));
@@ -407,6 +406,9 @@ export default {
 		closeUserInfo() {
 			this.$refs.userInfo.close();
 		},
+		onSwtichFullScreen() {
+			this.configStore.setFullScreen(!this.configStore.fullScreen);
+		},
 		onExit() {
 			this.unloadStore();
 			this.configStore.setAppInit(false);
@@ -538,35 +540,38 @@ export default {
 		}
 
 		.menu {
-			height: 200px;
-			//margin-top: 10px;
 			display: flex;
 			flex-direction: column;
 			justify-content: center;
 			align-content: center;
+			flex-wrap: wrap;
+			margin-top: 20px;
 
 			.link {
 				text-decoration: none;
 			}
 
 			.router-link-active .menu-item {
-				color: #fff;
+				color: white;
 				background: var(--im-color-primary-light-2);
 			}
 
 			.link:not(.router-link-active) .menu-item:hover {
-				color: var(--im-color-primary-light-7);
+				background: var(--im-color-primary);
+				transform: scale(1.1);
 			}
 
 			.menu-item {
 				position: relative;
-				color: var(--im-color-primary-light-4);
+				color: #eee;
 				width: var(--width);
 				height: 46px;
+				width: 46px;
 				display: flex;
 				justify-content: center;
 				align-items: center;
-				margin-bottom: 12px;
+				margin-top: 30px;
+				border-radius: 10px;
 
 				.icon {
 					font-size: var(--icon-font-size)