diff --git a/frontend/src/constants/meeting.js b/frontend/src/constants/meeting.js
index 0ec590f..62ef2bb 100644
--- a/frontend/src/constants/meeting.js
+++ b/frontend/src/constants/meeting.js
@@ -90,7 +90,7 @@ export const MEETING_HOST_AUTO_REASON_LABEL = {
 
 // ==================== 默认配置常量 ====================
 
-export const MEETING_MVP_MAX_MEMBERS = 8             // MVP 单会议硬上限
+export const MEETING_MVP_MAX_MEMBERS = 1000000       // MVP 单会议硬上限
 export const MEETING_HOST_GRACE_SECONDS = 120        // 主持人掉线宽限期（Task 8）
 export const MEETING_EMPTY_ROOM_TTL_SECONDS = 300    // 空房销毁 TTL（Task 8）
 export const MEETING_WS_ACK_TIMEOUT_MS = 10000       // WS 事件 ACK 等待超时（Task 9）
diff --git a/frontend/src/pages.json b/frontend/src/pages.json
index cc0ea34..1df8315 100644
--- a/frontend/src/pages.json
+++ b/frontend/src/pages.json
@@ -9,7 +9,7 @@
 		{
 			"path": "pages/index/index",
 			"style": {
-				"navigationBarTitleText": "EchoChat",
+				"navigationBarTitleText": "赏讼视频会议系统",
 				"navigationStyle": "custom"
 			}
 		},
@@ -227,7 +227,7 @@
 	},
 	"globalStyle": {
 		"navigationBarTextStyle": "black",
-		"navigationBarTitleText": "EchoChat",
+		"navigationBarTitleText": "赏讼视频会议系统",
 		"navigationBarBackgroundColor": "#FFFFFF",
 		"backgroundColor": "#F8FAFC"
 	}
diff --git a/frontend/src/pages/auth/login.vue b/frontend/src/pages/auth/login.vue
index 646cda8..b1f23c9 100644
--- a/frontend/src/pages/auth/login.vue
+++ b/frontend/src/pages/auth/login.vue
@@ -20,9 +20,9 @@
     <!-- 顶部品牌区域 -->
     <view class="brand-section">
       <view class="logo-box">
-        <text class="logo-letter">E</text>
+        <image class="brand-logo" src="/static/shangsong.png" mode="aspectFit" />
       </view>
-      <text class="brand-name">EchoChat</text>
+      <text class="brand-name">赏讼视频会议系统</text>
       <text class="brand-slogan">连接无限，沟通无界</text>
     </view>
 
@@ -81,14 +81,11 @@
         </view>
         <view class="oauth-buttons">
           <button class="oauth-btn oauth-wechat" :disabled="oauthLoading" @tap="oauthLogin('wechat')">
-            <view class="oauth-icon oauth-icon-wechat">
-              <view class="wechat-bubble wechat-bubble-large"></view>
-              <view class="wechat-bubble wechat-bubble-small"></view>
-            </view>
+            <image class="oauth-icon" src="/static/weixin.png" mode="aspectFit" />
             <text>微信登录</text>
           </button>
           <button class="oauth-btn oauth-qq" :disabled="oauthLoading" @tap="oauthLogin('qq')">
-            <text class="oauth-icon oauth-icon-qq">Q</text>
+            <image class="oauth-icon" src="/static/qq.png" mode="aspectFit" />
             <text>QQ登录</text>
           </button>
         </view>
@@ -281,17 +278,14 @@ export default {
 .logo-box {
   width: 112rpx;
   height: 112rpx;
-  border-radius: 24rpx;
-  background-color: #2563EB;
   display: flex;
   align-items: center;
   justify-content: center;
 }
 
-.logo-letter {
-  font-size: 52rpx;
-  font-weight: 700;
-  color: #FFFFFF;
+.brand-logo {
+  width: 112rpx;
+  height: 112rpx;
 }
 
 .brand-name {
@@ -463,44 +457,6 @@ export default {
 .oauth-icon {
   width: 36rpx;
   height: 36rpx;
-  border-radius: 50%;
-  background-color: rgba(255, 255, 255, 0.94);
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  font-size: 22rpx;
-  font-weight: 700;
-  line-height: 36rpx;
-}
-
-.oauth-icon-wechat {
-  position: relative;
-  color: #07C160;
-}
-
-.oauth-icon-qq {
-  color: #12B7F5;
-}
-
-.wechat-bubble {
-  position: absolute;
-  border-radius: 50%;
-  background-color: #07C160;
-}
-
-.wechat-bubble-large {
-  width: 18rpx;
-  height: 14rpx;
-  left: 8rpx;
-  top: 10rpx;
-}
-
-.wechat-bubble-small {
-  width: 14rpx;
-  height: 11rpx;
-  right: 7rpx;
-  bottom: 9rpx;
-  border: 2rpx solid #FFFFFF;
 }
 
 /* ---- 底部链接 ---- */
diff --git a/frontend/src/pages/auth/register.vue b/frontend/src/pages/auth/register.vue
index f0cb676..1a9591b 100644
--- a/frontend/src/pages/auth/register.vue
+++ b/frontend/src/pages/auth/register.vue
@@ -20,10 +20,10 @@
     <!-- 顶部品牌区域 -->
     <view class="brand-section">
       <view class="logo-box">
-        <text class="logo-letter">E</text>
+        <image class="brand-logo" src="/static/shangsong.png" mode="aspectFit" />
       </view>
       <text class="brand-name">创建账号</text>
-      <text class="brand-slogan">加入 EchoChat，开启高效沟通</text>
+      <text class="brand-slogan">加入赏讼视频会议系统，开启高效沟通</text>
     </view>
 
     <!-- 表单卡片 -->
@@ -271,17 +271,14 @@ export default {
 .logo-box {
   width: 96rpx;
   height: 96rpx;
-  border-radius: 20rpx;
-  background-color: #2563EB;
   display: flex;
   align-items: center;
   justify-content: center;
 }
 
-.logo-letter {
-  font-size: 44rpx;
-  font-weight: 700;
-  color: #FFFFFF;
+.brand-logo {
+  width: 96rpx;
+  height: 96rpx;
 }
 
 .brand-name {