diff --git a/src/api/im/manager/channel/index.ts b/src/api/im/manager/channel/index.ts
index f6313e71d..5897bee69 100644
--- a/src/api/im/manager/channel/index.ts
+++ b/src/api/im/manager/channel/index.ts
@@ -36,7 +36,6 @@ export const deleteManagerChannel = (id: number) => {
 }
 
 // 获得启用的频道精简列表（表单选择用）
-// TODO @AI：改成 simplelist 命名上？
-export const getEnabledChannelList = () => {
+export const getSimpleChannelList = () => {
   return request.get<ImManagerChannelVO[]>({ url: '/im/manager/channel/simple-list' })
 }
diff --git a/src/views/im/home/pages/conversation/components/message/MaterialBubble.vue b/src/views/im/home/pages/conversation/components/message/MaterialBubble.vue
index 6f077569f..20f5701d8 100644
--- a/src/views/im/home/pages/conversation/components/message/MaterialBubble.vue
+++ b/src/views/im/home/pages/conversation/components/message/MaterialBubble.vue
@@ -1,5 +1,4 @@
 <template>
-  <!-- TODO @AI：要不使用 model 组件，弹窗。用户允许手动弹窗； -->
   <div class="material-card" @click="onClick">
     <div class="title">{{ payload.title || '(无标题)' }}</div>
     <img v-if="payload.coverUrl" class="cover" :src="payload.coverUrl" />
@@ -7,37 +6,23 @@
     <span class="link">{{ payload.url ? '外链' : '查看详情' }}</span>
   </div>
 
-  <!-- 全屏文章详情：仿微信公众号文章打开 -->
-  <el-dialog
+  <Dialog
     v-model="detailVisible"
-    :show-close="false"
+    :title="payload.title || '详情'"
     fullscreen
-    append-to-body
     destroy-on-close
-    class="material-detail-dialog"
   >
-    <template #header>
-      <div class="detail-header">
-        <button class="back-btn" @click="detailVisible = false">
-          <Icon icon="ant-design:close-outlined" :size="18" />
-        </button>
-        <span class="detail-title">{{ payload.title || '详情' }}</span>
-        <span class="placeholder"></span>
-      </div>
-    </template>
-    <div v-loading="detailLoading" class="detail-body">
+    <div v-loading="detailLoading" class="material-detail-body">
       <div class="article-title">{{ payload.title || '' }}</div>
-      <div v-if="detailHtml" class="article-content" v-html="detailHtml"></div>
+      <div v-if="detailHtml" class="article-content" v-dompurify-html="detailHtml"></div>
       <div v-else-if="!detailLoading" class="article-empty">暂无正文</div>
     </div>
-  </el-dialog>
+  </Dialog>
 </template>
 
 <script lang="ts" setup>
 import { computed, ref } from 'vue'
-import { ElDialog } from 'element-plus'
 import type { PropType } from 'vue'
-import Icon from '@/components/Icon/src/Icon.vue'
 import { getChannelMaterial } from '@/api/im/channel/material'
 import { parseMessage, type MaterialMessage } from '@/views/im/utils/message'
 
@@ -62,7 +47,8 @@ const detailHtml = ref('')
 /** 点击行为：url 非空跳外链；为空则按 materialId 拉富文本正文，全屏 dialog 渲染 */
 const onClick = async () => {
   if (payload.value.url) {
-    window.open(payload.value.url, '_blank')
+    // 外链强制 noopener,noreferrer，阻断目标页面 window.opener 篡改 / referrer 泄露
+    window.open(payload.value.url, '_blank', 'noopener,noreferrer')
     return
   }
   if (!props.message.materialId) {
@@ -137,107 +123,46 @@ const onClick = async () => {
     color: var(--el-color-primary);
   }
 }
-</style>
 
-<style lang="scss">
-/* 全屏文章详情样式（非 scoped；el-dialog 全屏后 header / body 在 teleport 子树） */
-.material-detail-dialog {
-  .el-dialog__header {
-    margin: 0;
-    padding: 0;
-    border-bottom: 1px solid var(--el-border-color-lighter);
+.material-detail-body {
+  max-width: 720px;
+  margin: 0 auto;
+  padding: 24px 20px 80px;
+
+  .article-title {
+    font-size: 22px;
+    font-weight: 600;
+    line-height: 1.4;
+    color: var(--el-text-color-primary);
+    margin-bottom: 20px;
   }
 
-  .el-dialog__body {
-    padding: 0;
-  }
+  .article-content {
+    font-size: 15px;
+    line-height: 1.75;
+    color: var(--el-text-color-primary);
 
-  .detail-header {
-    display: flex;
-    align-items: center;
-    height: 52px;
-    padding: 0 12px;
-    background: var(--el-bg-color);
-
-    .back-btn {
-      width: 36px;
-      height: 36px;
-      display: flex;
-      align-items: center;
-      justify-content: center;
-      background: transparent;
-      border: none;
-      border-radius: 50%;
-      cursor: pointer;
-      color: var(--el-text-color-primary);
-
-      &:hover {
-        background: var(--el-fill-color-light);
-      }
+    :deep(img) {
+      max-width: 100%;
+      height: auto;
     }
 
-    .detail-title {
-      flex: 1;
-      text-align: center;
-      font-size: 15px;
-      font-weight: 500;
-      color: var(--el-text-color-primary);
-      overflow: hidden;
-      text-overflow: ellipsis;
-      white-space: nowrap;
+    :deep(p) {
+      margin: 12px 0;
     }
 
-    .placeholder {
-      width: 36px;
-    }
-  }
-
-  .detail-body {
-    max-width: 720px;
-    margin: 0 auto;
-    padding: 24px 20px 80px;
-    min-height: calc(100vh - 52px);
-
-    .article-title {
-      font-size: 22px;
+    :deep(h1),
+    :deep(h2),
+    :deep(h3) {
+      margin: 20px 0 12px;
       font-weight: 600;
-      line-height: 1.4;
-      color: var(--el-text-color-primary);
-      margin-bottom: 20px;
     }
+  }
 
-    .article-content {
-      font-size: 15px;
-      line-height: 1.75;
-      color: var(--el-text-color-primary);
-
-      :deep(img),
-      img {
-        max-width: 100%;
-        height: auto;
-      }
-
-      :deep(p),
-      p {
-        margin: 12px 0;
-      }
-
-      :deep(h1),
-      :deep(h2),
-      :deep(h3),
-      h1,
-      h2,
-      h3 {
-        margin: 20px 0 12px;
-        font-weight: 600;
-      }
-    }
-
-    .article-empty {
-      text-align: center;
-      color: var(--el-text-color-secondary);
-      margin-top: 80px;
-    }
+  .article-empty {
+    text-align: center;
+    color: var(--el-text-color-secondary);
+    margin-top: 80px;
   }
 }
 </style>
diff --git a/src/views/im/home/store/channelStore.ts b/src/views/im/home/store/channelStore.ts
index 6844427b5..b591020c9 100644
--- a/src/views/im/home/store/channelStore.ts
+++ b/src/views/im/home/store/channelStore.ts
@@ -1,6 +1,6 @@
 import { defineStore, acceptHMRUpdate } from 'pinia'
 import { store } from '@/store'
-import { getEnabledChannelList, type ImManagerChannelVO } from '@/api/im/manager/channel'
+import { getSimpleChannelList, type ImManagerChannelVO } from '@/api/im/manager/channel'
 import { useConversationStore } from './conversationStore'
 import { ImConversationType } from '../../utils/constants'
 import { getCurrentUserId, imStorage, setQuietly, StorageKeys } from '../../utils/storage'
@@ -62,7 +62,7 @@ export const useChannelStore = defineStore('imChannelStore', {
         return
       }
       try {
-        this.channels = (await getEnabledChannelList()) || []
+        this.channels = (await getSimpleChannelList()) || []
         this.loaded = true
         this.syncConversationMetadata()
         this.saveChannels()