diff --git a/lesingle-creation-backend/src/main/java/com/lesingle/modules/pub/service/PublicActivityService.java b/lesingle-creation-backend/src/main/java/com/lesingle/modules/pub/service/PublicActivityService.java
index f073149..094755d 100644
--- a/lesingle-creation-backend/src/main/java/com/lesingle/modules/pub/service/PublicActivityService.java
+++ b/lesingle-creation-backend/src/main/java/com/lesingle/modules/pub/service/PublicActivityService.java
@@ -10,10 +10,12 @@ import com.lesingle.common.result.PageResult;
 import com.lesingle.modules.biz.contest.entity.BizContest;
 import com.lesingle.modules.biz.contest.entity.BizContestAttachment;
 import com.lesingle.modules.biz.contest.entity.BizContestNotice;
+import com.lesingle.modules.biz.contest.entity.BizContestNoticeAttachment;
 import com.lesingle.modules.biz.contest.entity.BizContestRegistration;
 import com.lesingle.modules.biz.contest.entity.BizContestWork;
 import com.lesingle.modules.biz.contest.mapper.ContestAttachmentMapper;
 import com.lesingle.modules.biz.contest.mapper.ContestMapper;
+import com.lesingle.modules.biz.contest.mapper.ContestNoticeAttachmentMapper;
 import com.lesingle.modules.biz.contest.mapper.ContestNoticeMapper;
 import com.lesingle.modules.biz.contest.mapper.ContestRegistrationMapper;
 import com.lesingle.modules.biz.contest.mapper.ContestWorkMapper;
@@ -50,6 +52,7 @@ public class PublicActivityService {
     private final UgcWorkMapper ugcWorkMapper;
     private final UgcWorkPageMapper ugcWorkPageMapper;
     private final ContestNoticeMapper contestNoticeMapper;
+    private final ContestNoticeAttachmentMapper contestNoticeAttachmentMapper;
     private final ContestAttachmentMapper contestAttachmentMapper;
     private final SysUserMapper sysUserMapper;
 
@@ -163,6 +166,31 @@ public class PublicActivityService {
             m.put("createTime", n.getCreateTime());
             list.add(m);
         }
+        if (!rows.isEmpty()) {
+            List<Long> noticeIds = rows.stream().map(BizContestNotice::getId).filter(Objects::nonNull).toList();
+            LambdaQueryWrapper<BizContestNoticeAttachment> attw = new LambdaQueryWrapper<>();
+            attw.in(BizContestNoticeAttachment::getNoticeId, noticeIds);
+            attw.orderByAsc(BizContestNoticeAttachment::getCreateTime);
+            List<BizContestNoticeAttachment> attRows = contestNoticeAttachmentMapper.selectList(attw);
+            Map<Long, List<BizContestNoticeAttachment>> byNotice = attRows.stream()
+                    .collect(Collectors.groupingBy(BizContestNoticeAttachment::getNoticeId));
+            for (Map<String, Object> m : list) {
+                Long nid = (Long) m.get("id");
+                List<BizContestNoticeAttachment> nas = byNotice.getOrDefault(nid, Collections.emptyList());
+                List<Map<String, Object>> attList = new ArrayList<>();
+                for (BizContestNoticeAttachment a : nas) {
+                    Map<String, Object> am = new LinkedHashMap<>();
+                    am.put("id", a.getId());
+                    am.put("fileName", a.getFileName());
+                    am.put("fileUrl", a.getFileUrl());
+                    am.put("fileType", a.getFileType());
+                    am.put("format", a.getFormat());
+                    am.put("size", a.getSize());
+                    attList.add(am);
+                }
+                m.put("attachments", attList);
+            }
+        }
         return list;
     }
 
diff --git a/lesingle-creation-frontend/src/api/public.ts b/lesingle-creation-frontend/src/api/public.ts
index 872a337..ca328bd 100644
--- a/lesingle-creation-frontend/src/api/public.ts
+++ b/lesingle-creation-frontend/src/api/public.ts
@@ -289,6 +289,15 @@ export interface PublicActivity {
   workRequirement: string;
 }
 
+export interface PublicActivityAttachment {
+  id: number;
+  fileName: string;
+  fileUrl: string;
+  fileType?: string;
+  format?: string;
+  size?: string;
+}
+
 /** 公众端活动详情（含公告、附件等扩展字段） */
 export interface PublicActivityNotice {
   id: number;
@@ -297,15 +306,8 @@ export interface PublicActivityNotice {
   noticeType?: string;
   publishTime?: string;
   createTime?: string;
-}
-
-export interface PublicActivityAttachment {
-  id: number;
-  fileName: string;
-  fileUrl: string;
-  fileType?: string;
-  format?: string;
-  size?: string;
+  /** 公告附件（公众活动详情接口填充，与活动附件字段一致） */
+  attachments?: PublicActivityAttachment[];
 }
 
 export interface PublicActivityDetail extends PublicActivity {
diff --git a/lesingle-creation-frontend/src/views/contests/Detail.vue b/lesingle-creation-frontend/src/views/contests/Detail.vue
index 9de6736..b452351 100644
--- a/lesingle-creation-frontend/src/views/contests/Detail.vue
+++ b/lesingle-creation-frontend/src/views/contests/Detail.vue
@@ -4,15 +4,12 @@
       <!-- 顶部海报区域 -->
       <div class="hero-section">
         <!-- 背景图 -->
-        <div
-          class="hero-bg"
-          :style="{
-            backgroundImage:
-              contest?.posterUrl || contest?.coverUrl
-                ? `url(${contest.posterUrl || contest.coverUrl})`
-                : undefined,
-          }"
-        >
+        <div class="hero-bg" :style="{
+          backgroundImage:
+            contest?.posterUrl || contest?.coverUrl
+              ? `url(${contest.posterUrl || contest.coverUrl})`
+              : undefined,
+        }">
           <div class="hero-overlay"></div>
         </div>
 
@@ -46,43 +43,29 @@
             <div class="hero-meta">
               <div class="meta-item">
                 <CalendarOutlined />
-                <span
-                  >活动时间：{{ formatDate(contest?.startTime) }} ~
-                  {{ formatDate(contest?.endTime) }}</span
-                >
+                <span>活动时间：{{ formatDate(contest?.startTime) }} ~
+                  {{ formatDate(contest?.endTime) }}</span>
               </div>
               <div class="meta-item">
                 <ClockCircleOutlined />
-                <span
-                  >报名时间：{{ formatDate(contest?.registerStartTime) }} ~
-                  {{ formatDate(contest?.registerEndTime) }}</span
-                >
+                <span>报名时间：{{ formatDate(contest?.registerStartTime) }} ~
+                  {{ formatDate(contest?.registerEndTime) }}</span>
               </div>
             </div>
 
             <!-- 报名按钮 -->
             <div class="hero-actions">
-              <button
-                v-if="isTeacher && isRegistering && !hasRegistered"
-                class="action-btn primary"
-                @click="handleRegister"
-              >
+              <button v-if="isTeacher && isRegistering && !hasRegistered" class="action-btn primary"
+                @click="handleRegister">
                 <FormOutlined />
                 立即报名
               </button>
-              <button
-                v-else-if="isTeacher && hasRegistered && canViewRegistration"
-                class="action-btn secondary"
-                @click="handleViewRegistration"
-              >
+              <button v-else-if="isTeacher && hasRegistered && canViewRegistration" class="action-btn secondary"
+                @click="handleViewRegistration">
                 <EyeOutlined />
                 查看报名
               </button>
-              <button
-                v-else-if="isTeacher"
-                class="action-btn disabled"
-                disabled
-              >
+              <button v-else-if="isTeacher" class="action-btn disabled" disabled>
                 <FormOutlined />
                 {{ isRegistering ? "立即报名" : "报名已截止" }}
               </button>
@@ -98,30 +81,18 @@
       <div class="tab-section">
         <div class="tab-container">
           <div class="custom-tabs">
-            <div
-              class="tab-item"
-              :class="{ active: activeTab === 'info' }"
-              @click="handleTabChange('info')"
-            >
+            <div class="tab-item" :class="{ active: activeTab === 'info' }" @click="handleTabChange('info')">
               <FileTextOutlined />
               <span>活动信息</span>
             </div>
-            <div
-              class="tab-item"
-              :class="{ active: activeTab === 'notices' }"
-              @click="handleTabChange('notices')"
-            >
+            <div class="tab-item" :class="{ active: activeTab === 'notices' }" @click="handleTabChange('notices')">
               <BellOutlined />
               <span>通知公告</span>
               <span v-if="notices.length > 0" class="badge">{{
                 notices.length
               }}</span>
             </div>
-            <div
-              class="tab-item"
-              :class="{ active: activeTab === 'results' }"
-              @click="handleTabChange('results')"
-            >
+            <div class="tab-item" :class="{ active: activeTab === 'results' }" @click="handleTabChange('results')">
               <TrophyOutlined />
               <span>活动结果</span>
             </div>
@@ -144,11 +115,7 @@
                   <h2>竞赛详情</h2>
                 </div>
                 <div class="card-body">
-                  <div
-                    v-if="contest.content"
-                    class="rich-content"
-                    v-html="contest.content"
-                  ></div>
+                  <div v-if="contest.content" class="rich-content" v-html="contest.content"></div>
                   <a-empty v-else description="暂无详情内容" />
                 </div>
               </div>
@@ -165,18 +132,11 @@
                   <div v-if="noticesLoading" class="loading-placeholder">
                     <a-spin />
                   </div>
-                  <div
-                    v-else-if="notices.length === 0"
-                    class="empty-placeholder"
-                  >
+                  <div v-else-if="notices.length === 0" class="empty-placeholder">
                     <a-empty description="暂无公告" />
                   </div>
                   <div v-else class="notice-list">
-                    <div
-                      v-for="item in notices"
-                      :key="item.id"
-                      class="notice-item"
-                    >
+                    <div v-for="item in notices" :key="item.id" class="notice-item">
                       <div class="notice-header">
                         <span class="notice-title">{{ item.title }}</span>
                         <span class="notice-type" :class="item.noticeType">
@@ -184,6 +144,15 @@
                         </span>
                       </div>
                       <div class="notice-content">{{ item.content }}</div>
+                      <div v-if="item.attachments?.length" class="notice-attachments-block">
+                        <div class="notice-attachments-title">公告附件</div>
+                        <div v-for="na in item.attachments" :key="na.id" class="notice-att-link">
+                          <a :href="na.fileUrl" target="_blank" rel="noopener noreferrer">
+                            <PaperClipOutlined />
+                            {{ na.fileName }}
+                          </a>
+                        </div>
+                      </div>
                       <div class="notice-time">
                         <ClockCircleOutlined />
                         {{ formatDateTime(item.publishTime) }}
@@ -204,19 +173,11 @@
                 <div class="card-body">
                   <div v-if="contest.resultState === 'published'">
                     <a-spin :spinning="resultsLoading">
-                      <a-table
-                        :columns="resultColumns"
-                        :data-source="results"
-                        :pagination="resultsPagination"
-                        row-key="id"
-                        @change="handleResultsTableChange"
-                      >
+                      <a-table :columns="resultColumns" :data-source="results" :pagination="resultsPagination"
+                        row-key="id" @change="handleResultsTableChange">
                         <template #bodyCell="{ column, record }">
                           <template v-if="column.key === 'rank'">
-                            <div
-                              class="rank-badge"
-                              :class="getRankClass(record.rank)"
-                            >
+                            <div class="rank-badge" :class="getRankClass(record.rank)">
                               {{ record.rank || "-" }}
                             </div>
                           </template>
@@ -228,11 +189,7 @@
                             }}
                           </template>
                           <template v-else-if="column.key === 'award'">
-                            <span
-                              v-if="record.awardName"
-                              class="award-tag"
-                              :class="getAwardClass(record.awardName)"
-                            >
+                            <span v-if="record.awardName" class="award-tag" :class="getAwardClass(record.awardName)">
                               {{ record.awardName }}
                             </span>
                             <span v-else>-</span>
@@ -265,20 +222,14 @@
                       {{ getVisibilityText(contest?.visibility) }}
                     </div>
                   </div>
-                  <div
-                    v-if="contest?.visibility === 'designated' && contest?.contestTenantInfos?.length"
-                    class="sidebar-item"
-                  >
+                  <div v-if="contest?.visibility === 'designated' && contest?.contestTenantInfos?.length"
+                    class="sidebar-item">
                     <div class="item-label">
                       <TeamOutlined />
                       开放机构
                     </div>
                     <div class="item-value">
-                      <div
-                        v-for="tenant in contest.contestTenantInfos"
-                        :key="tenant.id"
-                        class="org-name"
-                      >
+                      <div v-for="tenant in contest.contestTenantInfos" :key="tenant.id" class="org-name">
                         {{ tenant.name }}（{{ tenant.code }}）
                       </div>
                     </div>
@@ -301,6 +252,20 @@
                       {{ formatDateTime(contest?.createTime) }}
                     </div>
                   </div>
+                  <div v-if="contest.attachments?.length" class="sidebar-item">
+                    <div class="item-label">
+                      <PaperClipOutlined />
+                      活动附件
+                    </div>
+                    <div class="item-value">
+                      <div v-for="att in contest.attachments" :key="att.id" class="contest-attachment-link">
+                        <a :href="att.fileUrl" target="_blank" rel="noopener noreferrer">
+                          <PaperClipOutlined />
+                          {{ att.fileName }}
+                        </a>
+                      </div>
+                    </div>
+                  </div>
                 </div>
               </div>
 
@@ -318,11 +283,7 @@
                     <div class="item-value">
                       <template v-if="contest.organizers">
                         <template v-if="Array.isArray(contest.organizers)">
-                          <div
-                            v-for="org in contest.organizers"
-                            :key="org"
-                            class="org-name"
-                          >
+                          <div v-for="org in contest.organizers" :key="org" class="org-name">
                             {{ org }}
                           </div>
                         </template>
@@ -342,11 +303,7 @@
                     <div class="item-value">
                       <template v-if="contest.coOrganizers">
                         <template v-if="Array.isArray(contest.coOrganizers)">
-                          <div
-                            v-for="org in contest.coOrganizers"
-                            :key="org"
-                            class="org-name"
-                          >
+                          <div v-for="org in contest.coOrganizers" :key="org" class="org-name">
                             {{ org }}
                           </div>
                         </template>
@@ -366,11 +323,7 @@
                     <div class="item-value">
                       <template v-if="contest.sponsors">
                         <template v-if="Array.isArray(contest.sponsors)">
-                          <div
-                            v-for="sp in contest.sponsors"
-                            :key="sp"
-                            class="org-name"
-                          >
+                          <div v-for="sp in contest.sponsors" :key="sp" class="org-name">
                             {{ sp }}
                           </div>
                         </template>
@@ -381,14 +334,12 @@
                       <span v-else class="empty-text">暂无</span>
                     </div>
                   </div>
+
                 </div>
               </div>
 
               <!-- 联系方式 -->
-              <div
-                v-if="contest.contactName || contest.contactPhone"
-                class="sidebar-card"
-              >
+              <div v-if="contest.contactName || contest.contactPhone" class="sidebar-card">
                 <div class="sidebar-header">
                   <PhoneOutlined />
                   <span>联系方式</span>
@@ -415,11 +366,7 @@
         </div>
       </div>
 
-      <a-empty
-        v-else-if="!loading"
-        description="活动不存在"
-        style="padding: 100px 0"
-      />
+      <a-empty v-else-if="!loading" description="活动不存在" style="padding: 100px 0" />
     </a-spin>
   </div>
 </template>
@@ -445,6 +392,7 @@ import {
   UserOutlined,
   GlobalOutlined,
   InfoCircleOutlined,
+  PaperClipOutlined,
 } from "@ant-design/icons-vue"
 import dayjs from "dayjs"
 import { useAuthStore } from "@/stores/auth"
@@ -731,11 +679,9 @@ $primary-dark: #0958d9;
   .hero-overlay {
     position: absolute;
     inset: 0;
-    background: linear-gradient(
-      180deg,
-      rgba(0, 0, 0, 0.3) 0%,
-      rgba(0, 0, 0, 0.6) 100%
-    );
+    background: linear-gradient(180deg,
+        rgba(0, 0, 0, 0.3) 0%,
+        rgba(0, 0, 0, 0.6) 100%);
   }
 
   .hero-nav {
@@ -800,12 +746,15 @@ $primary-dark: #0958d9;
     .tag-registering {
       background: linear-gradient(135deg, #52c41a, #73d13d);
     }
+
     .tag-submitting {
       background: linear-gradient(135deg, #1890ff, #40a9ff);
     }
+
     .tag-reviewing {
       background: linear-gradient(135deg, #faad14, #ffc53d);
     }
+
     .tag-finished {
       background: linear-gradient(135deg, #8c8c8c, #bfbfbf);
     }
@@ -1018,6 +967,7 @@ $primary-dark: #0958d9;
 
   :deep(p) {
     margin-bottom: 16px;
+
     &:last-child {
       margin-bottom: 0;
     }
@@ -1033,6 +983,7 @@ $primary-dark: #0958d9;
     font-weight: 600;
     margin-top: 24px;
     margin-bottom: 12px;
+
     &:first-child {
       margin-top: 0;
     }
@@ -1083,6 +1034,7 @@ $primary-dark: #0958d9;
   :deep(a) {
     color: $primary;
     text-decoration: none;
+
     &:hover {
       text-decoration: underline;
     }
@@ -1123,6 +1075,7 @@ $primary-dark: #0958d9;
           background: #fff2f0;
           color: #ff4d4f;
         }
+
         &.system {
           background: #e6f7ff;
           color: #1890ff;
@@ -1137,6 +1090,28 @@ $primary-dark: #0958d9;
       margin-bottom: 10px;
     }
 
+    .notice-attachments-block {
+      margin-bottom: 10px;
+      padding-top: 10px;
+      border-top: 1px solid #f0f0f0;
+
+      .notice-attachments-title {
+        font-size: 12px;
+        font-weight: 600;
+        color: rgba(0, 0, 0, 0.45);
+        margin-bottom: 6px;
+      }
+
+      .notice-att-link a {
+        display: inline-flex;
+        align-items: center;
+        gap: 6px;
+        font-size: 13px;
+        color: $primary;
+        margin-bottom: 4px;
+      }
+    }
+
     .notice-time {
       font-size: 12px;
       color: rgba(0, 0, 0, 0.45);
@@ -1164,10 +1139,12 @@ $primary-dark: #0958d9;
     background: linear-gradient(135deg, #ffd700, #ffb800);
     color: #fff;
   }
+
   &.rank-2 {
     background: linear-gradient(135deg, #c0c0c0, #a0a0a0);
     color: #fff;
   }
+
   &.rank-3 {
     background: linear-gradient(135deg, #cd7f32, #b8860b);
     color: #fff;
@@ -1185,10 +1162,12 @@ $primary-dark: #0958d9;
     background: #fffbe6;
     color: #d48806;
   }
+
   &.award-silver {
     background: #f5f5f5;
     color: #595959;
   }
+
   &.award-bronze {
     background: #fff7e6;
     color: #d46b08;
@@ -1212,11 +1191,9 @@ $primary-dark: #0958d9;
     align-items: center;
     gap: 10px;
     padding: 16px 20px;
-    background: linear-gradient(
-      135deg,
-      rgba($primary, 0.05),
-      rgba($primary-dark, 0.08)
-    );
+    background: linear-gradient(135deg,
+        rgba($primary, 0.05),
+        rgba($primary-dark, 0.08));
     border-bottom: 1px solid #f0f0f0;
     font-size: 15px;
     font-weight: 600;
@@ -1269,6 +1246,15 @@ $primary-dark: #0958d9;
       .empty-text {
         color: rgba(0, 0, 0, 0.25);
       }
+
+      .contest-attachment-link a {
+        display: inline-flex;
+        align-items: center;
+        gap: 6px;
+        color: $primary;
+        font-size: 13px;
+        padding: 4px 0;
+      }
     }
   }
 }
@@ -1299,10 +1285,12 @@ $primary-dark: #0958d9;
     .hero-title {
       font-size: 24px;
     }
+
     .hero-meta {
       flex-direction: column;
       gap: 12px;
     }
+
     .hero-actions {
       flex-wrap: wrap;
     }
diff --git a/lesingle-creation-frontend/src/views/public/ActivityDetail.vue b/lesingle-creation-frontend/src/views/public/ActivityDetail.vue
index d77616b..fd55d53 100644
--- a/lesingle-creation-frontend/src/views/public/ActivityDetail.vue
+++ b/lesingle-creation-frontend/src/views/public/ActivityDetail.vue
@@ -147,6 +147,14 @@
             <div v-for="notice in activity.notices" :key="notice.id" class="notice-item">
               <h4>{{ notice.title }}</h4>
               <div class="notice-content" v-html="sanitizeNoticeContent(notice.content)"></div>
+              <div v-if="notice.attachments?.length" class="notice-attachments">
+                <div class="notice-attachments-title">公告附件</div>
+                <div v-for="att in notice.attachments" :key="att.id" class="att-item">
+                  <a :href="att.fileUrl" target="_blank" rel="noopener noreferrer">
+                    <paper-clip-outlined /> {{ att.fileName }}
+                  </a>
+                </div>
+              </div>
               <span class="notice-time">{{ formatNoticeTime(notice) }}</span>
             </div>
           </div>
@@ -1201,6 +1209,28 @@ $primary: #6366f1;
     line-height: 1.6;
   }
 
+  .notice-attachments {
+    margin-top: 12px;
+    padding-top: 12px;
+    border-top: 1px solid #e5e7eb;
+
+    .notice-attachments-title {
+      font-size: 12px;
+      font-weight: 600;
+      color: #6b7280;
+      margin-bottom: 6px;
+    }
+
+    .att-item a {
+      display: flex;
+      align-items: center;
+      gap: 6px;
+      font-size: 13px;
+      color: $primary;
+      padding: 4px 0;
+    }
+  }
+
   .notice-time {
     font-size: 12px;
     color: #9ca3af;