diff --git a/ruoyi-ui/src/layout/components/HeaderNotice/DetailView.vue b/ruoyi-ui/src/layout/components/HeaderNotice/DetailView.vue
new file mode 100644
index 0000000000..e547a969f3
--- /dev/null
+++ b/ruoyi-ui/src/layout/components/HeaderNotice/DetailView.vue
@@ -0,0 +1,362 @@
+<template>
+  <el-drawer title="公告详情" :visible.sync="visible" direction="rtl" size="50%" append-to-body :before-close="handleClose" custom-class="notice-detail-drawer">
+    <div v-loading="loading" class="notice-detail-drawer__body">
+      <div v-if="!detail" class="notice-empty">
+        <i class="el-icon-document"></i>
+        <span>暂无数据</span>
+      </div>
+      <div v-else class="notice-page">
+        <div class="notice-type-wrap">
+          <span v-if="detail.noticeType === '1'" class="notice-type-tag type-notify">
+            <i class="el-icon-bell"></i> 通知
+          </span>
+          <span v-else-if="detail.noticeType === '2'" class="notice-type-tag type-announce">
+            <i class="el-icon-message"></i> 公告
+          </span>
+          <span v-else class="notice-type-tag type-notify">
+            <i class="el-icon-document"></i> 消息
+          </span>
+        </div>
+
+        <h1 class="notice-title">{{ detail.noticeTitle }}</h1>
+
+        <div class="notice-meta">
+          <span class="meta-item">
+            <i class="el-icon-user"></i>
+            <span>{{ detail.createBy || '—' }}</span>
+          </span>
+          <span class="meta-item">
+            <i class="el-icon-time"></i>
+            <span>{{ detail.createTime || '—' }}</span>
+          </span>
+          <span class="meta-item">
+            <span :class="['status-dot', isStatusNormal ? 'status-ok' : 'status-off']"></span>
+            <span>{{ isStatusNormal ? '正常' : '已关闭' }}</span>
+          </span>
+        </div>
+
+        <div class="notice-divider">
+          <span class="notice-divider-dot"></span>
+          <span class="notice-divider-dot"></span>
+          <span class="notice-divider-dot"></span>
+        </div>
+
+        <div class="notice-body">
+          <div v-if="hasContent" class="notice-content" v-html="detail.noticeContent" />
+          <div v-else class="notice-empty notice-empty--inner">
+            <i class="el-icon-document"></i> 暂无内容
+          </div>
+        </div>
+      </div>
+    </div>
+  </el-drawer>
+</template>
+
+<script>
+import { getNotice } from '@/api/system/notice'
+
+export default {
+  name: 'NoticeDetailView',
+  data() {
+    return {
+      visible: false,
+      loading: false,
+      detail: null
+    }
+  },
+  computed: {
+    isStatusNormal() {
+      const s = this.detail && this.detail.status
+      return s === '0' || s === 0
+    },
+    hasContent() {
+      const c = this.detail && this.detail.noticeContent
+      return c != null && String(c).trim() !== ''
+    }
+  },
+  methods: {
+    open(payload) {
+      let id = null
+      let preset = null
+      if (payload != null && typeof payload === 'object') {
+        id = payload.noticeId
+        if (payload.noticeContent != null) {
+          preset = payload
+        }
+      } else {
+        id = payload
+      }
+      this.visible = true
+      if (preset) {
+        this.detail = preset
+        return
+      }
+      if (id == null || id === '') {
+        this.detail = null
+        return
+      }
+      this.loading = true
+      this.detail = null
+      getNotice(id).then(res => {
+        this.detail = res.data
+      }).catch(() => {
+        this.detail = null
+      }).finally(() => {
+        this.loading = false
+      })
+    },
+    handleClose() {
+      this.visible = false
+      this.detail = null
+      this.loading = false
+    }
+  }
+}
+</script>
+
+<style lang="scss" scoped>
+.notice-page {
+  max-width: 760px;
+  margin: 0 auto;
+  padding: 8px 8px 20px;
+  animation: notice-fade-up 0.28s ease both;
+}
+
+@keyframes notice-fade-up {
+  from {
+    opacity: 0;
+    transform: translateY(14px);
+  }
+  to {
+    opacity: 1;
+    transform: translateY(0);
+  }
+}
+
+.notice-type-tag {
+  display: inline-flex;
+  align-items: center;
+  gap: 5px;
+  padding: 3px 12px;
+  border-radius: 2px;
+  font-size: 11px;
+  font-weight: 700;
+  letter-spacing: 1px;
+  text-transform: uppercase;
+  margin-bottom: 14px;
+}
+
+.type-notify {
+  background: #fff8e6;
+  color: #b7791f;
+  border-left: 3px solid #d97706;
+}
+
+.type-announce {
+  background: #e8f5e9;
+  color: #276749;
+  border-left: 3px solid #38a169;
+}
+
+.notice-title {
+  font-size: 22px;
+  font-weight: 700;
+  color: #1a202c;
+  line-height: 1.45;
+  margin: 0 0 16px;
+  letter-spacing: -0.2px;
+}
+
+.notice-meta {
+  display: flex;
+  align-items: center;
+  flex-wrap: wrap;
+  gap: 16px;
+  padding: 12px 0;
+  border-top: 1px solid #e9ecef;
+  border-bottom: 1px solid #e9ecef;
+  margin-bottom: 28px;
+}
+
+.meta-item {
+  display: flex;
+  align-items: center;
+  gap: 5px;
+  font-size: 12px;
+  color: #718096;
+}
+
+.meta-item i {
+  font-size: 12px;
+  color: #a0aec0;
+}
+
+.status-dot {
+  display: inline-block;
+  width: 7px;
+  height: 7px;
+  border-radius: 50%;
+  margin-right: 4px;
+}
+
+.status-ok {
+  background: #38a169;
+}
+
+.status-off {
+  background: #e53e3e;
+}
+
+.notice-divider {
+  display: flex;
+  align-items: center;
+  gap: 12px;
+  margin-bottom: 24px;
+}
+
+.notice-divider::before,
+.notice-divider::after {
+  content: '';
+  flex: 1;
+  height: 1px;
+  background: linear-gradient(to right, transparent, #dee2e6, transparent);
+}
+
+.notice-divider-dot {
+  width: 6px;
+  height: 6px;
+  border-radius: 50%;
+  background: #cbd5e0;
+}
+
+.notice-body {
+  background: #fff;
+  border-radius: 6px;
+  padding: 28px 32px;
+  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06), 0 0 0 1px rgba(0, 0, 0, 0.04);
+  min-height: 120px;
+}
+
+.notice-content {
+  font-size: 14px;
+  line-height: 1.85;
+  color: #2d3748;
+  word-break: break-word;
+}
+
+.notice-content ::v-deep p {
+  margin: 0 0 1em;
+}
+
+.notice-content ::v-deep h1,
+.notice-content ::v-deep h2,
+.notice-content ::v-deep h3 {
+  font-weight: 700;
+  color: #1a202c;
+  margin: 1.4em 0 0.6em;
+}
+
+.notice-content ::v-deep h1 {
+  font-size: 18px;
+}
+
+.notice-content ::v-deep h2 {
+  font-size: 16px;
+}
+
+.notice-content ::v-deep h3 {
+  font-size: 14px;
+}
+
+.notice-content ::v-deep a {
+  color: #3182ce;
+  text-decoration: underline;
+}
+
+.notice-content ::v-deep a:hover {
+  color: #2b6cb0;
+}
+
+.notice-content ::v-deep img {
+  max-width: 100%;
+  border-radius: 4px;
+  margin: 8px 0;
+}
+
+.notice-content ::v-deep ul,
+.notice-content ::v-deep ol {
+  padding-left: 20px;
+  margin: 0 0 1em;
+}
+
+.notice-content ::v-deep li {
+  margin-bottom: 4px;
+}
+
+.notice-content ::v-deep blockquote {
+  border-left: 3px solid #cbd5e0;
+  margin: 1em 0;
+  padding: 6px 16px;
+  color: #718096;
+  background: #f7fafc;
+}
+
+.notice-content ::v-deep table {
+  border-collapse: collapse;
+  width: 100%;
+  margin: 1em 0;
+  font-size: 13px;
+}
+
+.notice-content ::v-deep table th,
+.notice-content ::v-deep table td {
+  border: 1px solid #e2e8f0;
+  padding: 7px 12px;
+}
+
+.notice-content ::v-deep table th {
+  background: #f7fafc;
+  font-weight: 600;
+}
+
+.notice-empty {
+  text-align: center;
+  padding: 40px 0;
+  color: #a0aec0;
+  font-size: 13px;
+}
+
+.notice-empty i {
+  font-size: 28px;
+  display: block;
+  margin-bottom: 10px;
+}
+
+.notice-empty--inner {
+  padding: 32px 0;
+}
+
+.notice-empty--inner i {
+  font-size: 28px;
+}
+
+::v-deep .notice-detail-drawer {
+  .el-drawer__header {
+    margin-bottom: 0;
+    padding: 16px 20px;
+    border-bottom: 1px solid #ebeef5;
+    font-size: 16px;
+    font-weight: 600;
+    color: #303133;
+  }
+  .el-drawer__body {
+    background: #f5f6f8;
+  }
+}
+
+.notice-detail-drawer__body {
+  height: 100%;
+  overflow: auto;
+  padding: 10px 16px 22px;
+}
+</style>
diff --git a/ruoyi-ui/src/layout/components/HeaderNotice/index.vue b/ruoyi-ui/src/layout/components/HeaderNotice/index.vue
index 6ee9273751..161d91edbf 100644
--- a/ruoyi-ui/src/layout/components/HeaderNotice/index.vue
+++ b/ruoyi-ui/src/layout/components/HeaderNotice/index.vue
@@ -23,38 +23,24 @@
       <span v-if="unreadCount > 0" class="notice-badge">{{ unreadCount }}</span>
     </div>
 
-    <el-dialog :title="previewTitle" :visible.sync="previewVisible" width="680px" append-to-body custom-class="notice-preview-dialog">
-      <div class="notice-preview-meta">
-        <el-tag size="small" :type="previewNoticeType === '1' ? 'warning' : 'success'">
-          {{ previewNoticeType === '1' ? '通知' : '公告' }}
-        </el-tag>
-        <span class="notice-preview-info"><i class="el-icon-user"></i> {{ previewCreateBy }}</span>
-        <span class="notice-preview-info"><i class="el-icon-time"></i> {{ previewCreateTime }}</span>
-      </div>
-      <div class="notice-preview-divider"></div>
-      <div class="notice-preview-content" v-html="previewContent"></div>
-    </el-dialog>
+    <notice-detail-view ref="noticeViewRef" />
   </div>
 </template>
 
 <script>
-import { listNoticeTop, markNoticeRead, markNoticeReadAll, getNotice } from '@/api/system/notice'
+import NoticeDetailView from './DetailView'
+import { listNoticeTop, markNoticeRead, markNoticeReadAll } from '@/api/system/notice'
 
 export default {
   name: 'HeaderNotice',
+  components: { NoticeDetailView },
   data() {
     return {
       noticeList: [], // 通知列表
       unreadCount: 0, // 未读数量
       noticeLoading: false, // 加载状态
       noticeVisible: false, // 弹出层显示状态
-      noticeLeaveTimer: null, // 鼠标离开计时器
-      previewVisible: false, // 预览弹窗显示状态
-      previewTitle: '', // 预览弹窗标题
-      previewContent: '', // 预览弹窗内容
-      previewNoticeType: '', // 预览弹窗类型
-      previewCreateBy: '', // 预览弹窗创建人
-      previewCreateTime: '' // 预览弹窗创建时间
+      noticeLeaveTimer: null // 鼠标离开计时器
     }
   },
   mounted() {
@@ -99,15 +85,7 @@ export default {
         if (idx !== -1) this.$set(this.noticeList, idx, { ...item, isRead: true })
         this.unreadCount = Math.max(0, this.unreadCount - 1)
       }
-      getNotice(item.noticeId).then(res => {
-        const notice = res.data
-        this.previewTitle = notice.noticeTitle
-        this.previewContent = notice.noticeContent
-        this.previewNoticeType = notice.noticeType
-        this.previewCreateBy = notice.createBy
-        this.previewCreateTime = notice.createTime
-        this.previewVisible = true
-      })
+      this.$refs.noticeViewRef.open(item.noticeId)
     },
     // 全部已读
     markAllRead() {
@@ -200,30 +178,4 @@ export default {
   font-size: 11px;
   color: #bbb;
 }
-::v-deep .notice-preview-dialog {
-  .el-dialog__body { padding: 0 20px 20px; }
-  .notice-preview-meta {
-    display: flex;
-    align-items: center;
-    gap: 14px;
-    padding: 12px 0;
-    font-size: 12px;
-    color: #888;
-    .notice-preview-info { display: flex; align-items: center; gap: 4px; }
-  }
-  .notice-preview-divider {
-    height: 1px;
-    background: linear-gradient(to right, transparent, #e2e8f0, transparent);
-    margin-bottom: 16px;
-  }
-  .notice-preview-content {
-    font-size: 14px;
-    line-height: 1.85;
-    color: #2d3748;
-    word-break: break-word;
-    img { max-width: 100%; border-radius: 4px; }
-    p { margin: 0 0 1em; }
-    a { color: #409EFF; text-decoration: underline; }
-  }
-}
 </style>
diff --git a/ruoyi-ui/src/views/system/notice/index.vue b/ruoyi-ui/src/views/system/notice/index.vue
index 13d003791c..9bb118aecd 100644
--- a/ruoyi-ui/src/views/system/notice/index.vue
+++ b/ruoyi-ui/src/views/system/notice/index.vue
@@ -72,12 +72,11 @@
     <el-table v-loading="loading" :data="noticeList" @selection-change="handleSelectionChange">
       <el-table-column type="selection" width="55" align="center" />
       <el-table-column label="序号" align="center" prop="noticeId" width="100" />
-      <el-table-column
-        label="公告标题"
-        align="center"
-        prop="noticeTitle"
-        :show-overflow-tooltip="true"
-      />
+      <el-table-column label="公告标题" align="center" :show-overflow-tooltip="true">
+        <template slot-scope="scope">
+          <a class="link-type" style="cursor:pointer" @click="handleViewData(scope.row)">{{ scope.row.noticeTitle }}</a>
+        </template>
+      </el-table-column>
       <el-table-column label="公告类型" align="center" prop="noticeType" width="100">
         <template slot-scope="scope">
           <dict-tag :options="dict.type.sys_notice_type" :value="scope.row.noticeType"/>
@@ -166,14 +165,18 @@
         <el-button @click="cancel">取 消</el-button>
       </div>
     </el-dialog>
+
+    <notice-detail-view ref="noticeViewRef" />
   </div>
 </template>
 
 <script>
+import NoticeDetailView from "@/layout/components/HeaderNotice/DetailView"
 import { listNotice, getNotice, delNotice, addNotice, updateNotice } from "@/api/system/notice"
 
 export default {
   name: "Notice",
+  components: { NoticeDetailView },
   dicts: ['sys_notice_status', 'sys_notice_type'],
   data() {
     return {
@@ -297,6 +300,10 @@ export default {
         }
       })
     },
+    /** 查看公告详情 */
+    handleViewData(row) {
+      this.$refs.noticeViewRef.open(row)
+    },
     /** 删除按钮操作 */
     handleDelete(row) {
       const noticeIds = row.noticeId || this.ids