diff --git a/demo/frontend/src/api/novelComic.js b/demo/frontend/src/api/novelComic.js
index f765d1b..433467f 100644
--- a/demo/frontend/src/api/novelComic.js
+++ b/demo/frontend/src/api/novelComic.js
@@ -56,3 +56,11 @@ export const getNovelComicHistory = (params = {}) => {
     }
   })
 }
+
+// 删除历史记录
+export const deleteNovelComicHistory = (id) => {
+  return request({
+    url: `/novel-comic/history/${id}`,
+    method: 'DELETE'
+  })
+}
diff --git a/demo/frontend/src/api/userWorks.js b/demo/frontend/src/api/userWorks.js
index 790dd1a..23c8ca6 100644
--- a/demo/frontend/src/api/userWorks.js
+++ b/demo/frontend/src/api/userWorks.js
@@ -17,7 +17,7 @@ export const getMyWorksByType = (workType, params = {}) => {
   return api.get('/works/my-works', {
     params: {
       page: params.page || 0,
-      size: params.size || 1000,
+      size: params.size || 20,
       includeProcessing: true,
       workType: workType // TEXT_TO_VIDEO, IMAGE_TO_VIDEO, STORYBOARD_VIDEO, STORYBOARD_IMAGE
     }
diff --git a/demo/frontend/src/views/MyWorks.vue b/demo/frontend/src/views/MyWorks.vue
index 4f2bdb1..6e48589 100644
--- a/demo/frontend/src/views/MyWorks.vue
+++ b/demo/frontend/src/views/MyWorks.vue
@@ -448,7 +448,7 @@ const isVerticalVideo = computed(() => {
 })
 
 const page = ref(1)
-const pageSize =  ref(100)
+const pageSize =  ref(20)
 const loading = ref(false)
 const hasMore = ref(true)
 const items = ref([])
@@ -502,10 +502,10 @@ const setupVirtualObserver = () => {
       if (changed) visibleItemIds.value = next
     },
     {
-      root: contentAreaRef.value,
-      rootMargin: '75% 0px', // 上下 75% 视口高度的缓冲区
-      threshold: 0
-    }
+        root: contentAreaRef.value,
+        rootMargin: '50% 0px', // 上下 50% 视口高度的缓冲区
+        threshold: 0
+      }
   )
 
   // 观察已注册的元素
@@ -665,6 +665,8 @@ const loadList = async () => {
 
     if (response.data.success) {
       const data = response.data.data || []
+      const totalPages = response.data.totalPages || 0
+      const currentPage = response.data.currentPage || 0
 
       // 转换数据格式
       const transformedData = data
@@ -673,7 +675,11 @@ const loadList = async () => {
 
       if (page.value === 1) items.value = []
       items.value = items.value.concat(transformedData)
-      hasMore.value = data.length === pageSize.value
+      
+      // 使用后端返回的总页数来判断是否还有更多数据
+      hasMore.value = currentPage < totalPages - 1
+      
+      console.log('[MyWorks] 分页信息 - 当前页:', currentPage, '总页数:', totalPages, '是否有更多:', hasMore.value)
       
       // 检查是否有处理中的任务，如果有则启动轮询
       checkAndStartPolling()
diff --git a/demo/frontend/src/views/NovelComicCreate.vue b/demo/frontend/src/views/NovelComicCreate.vue
index e868a3b..713580b 100644
--- a/demo/frontend/src/views/NovelComicCreate.vue
+++ b/demo/frontend/src/views/NovelComicCreate.vue
@@ -9,8 +9,8 @@
         <div class="left-panel-content">
           <CreationTabs active="novel-comic" />
 
-          <div class="form-card">
-              <h3 class="form-card-title">创作设置</h3>
+          <div>
+              <h3 class="form-section-title">创作设置</h3>
 
               <!-- 主题（选填） -->
               <div class="form-group">
@@ -22,7 +22,7 @@
                   v-model:value="form.theme"
                   placeholder="例如：都市奇幻、校园恋爱、科幻冒险..."
                   :maxlength="100"
-                  show-count
+                  @input="checkThemeLength"
                 />
               </div>
 
@@ -37,7 +37,7 @@
                   placeholder="描述故事发生的世界观、时代背景、环境设定等..."
                   :rows="4"
                   :maxlength="2000"
-                  show-count
+                  @input="checkStoryBackgroundLength"
                 />
               </div>
 
@@ -84,7 +84,7 @@
                   placeholder="输入完整的故事文案/剧本内容，AI 将基于此生成漫剧..."
                   :rows="8"
                   :maxlength="10000"
-                  show-count
+                  @input="checkStoryScriptLength"
                 />
               </div>
 
@@ -163,35 +163,64 @@
             </div>
 
             <!-- 历史记录 -->
-            <div class="history-card" v-if="historyList.length > 0">
+            <div class="history-card">
               <h3 class="form-card-title">历史记录</h3>
-              <div class="history-list">
+              <div class="history-list" v-if="historyList.length > 0">
                 <div
                   v-for="item in historyList"
                   :key="item.id || item.taskId"
                   class="history-item"
-                  @click="viewHistoryItem(item)"
                 >
                   <div class="history-item-top">
                     <span class="history-status" :class="getHistoryStatusClass(item.status)">
                       {{ getHistoryStatusText(item.status) }}
                     </span>
-                    <span class="history-date">{{ formatDate(item.createdAt) }}</span>
+                    <span class="history-date">{{ formatFriendlyDate(item.createdAt) }}</span>
                   </div>
                   <div class="history-theme" v-if="item.theme">{{ item.theme }}</div>
                   <div class="history-preview-text">
                     {{ truncateText(item.storyBackground || item.storyScript || '', 80) }}
                   </div>
+                  
+                  <!-- 展开详情 -->
+                  <div class="history-expand" v-if="expandedItemId === item.id">
+                    <div class="history-detail-section">
+                      <div class="history-detail-label">故事背景</div>
+                      <div class="history-detail-content">{{ item.storyBackground || '-' }}</div>
+                    </div>
+                    <div class="history-detail-section">
+                      <div class="history-detail-label">故事文案</div>
+                      <div class="history-detail-content">{{ item.storyScript || '-' }}</div>
+                    </div>
+                  </div>
+                  
                   <div class="history-item-actions">
+                    <a-button size="small" @click.stop="toggleExpand(item)">
+                      {{ expandedItemId === item.id ? '收起' : '展开' }}
+                    </a-button>
                     <a-button size="small" @click.stop="reuseHistory(item)">复用设置</a-button>
                     <a-button size="small" type="primary" v-if="item.status === 'SUCCESS' || item.status === 'COMPLETED'" @click.stop="viewHistoryItem(item)">
                       <CopyOutlined /> 查看结果
                     </a-button>
+                    <a-button size="small" danger @click.stop="handleDeleteHistory(item)">
+                      删除
+                    </a-button>
                   </div>
                 </div>
               </div>
+              <!-- 空状态 -->
+              <div class="history-empty" v-else-if="!loadingHistory">
+                <div class="empty-illustration">📝</div>
+                <p class="empty-title">暂无历史记录</p>
+                <p class="empty-desc">完成创作后，记录将显示在这里</p>
+              </div>
+              <!-- 加载中 -->
+              <div class="history-loading" v-else>
+                <LoadingOutlined class="is-loading" />
+                <span>加载中...</span>
+              </div>
               <!-- 加载更多 -->
-              <div class="history-load-more" v-if="hasMoreHistory">
+              <div class="history-load-more" v-if="hasMoreHistory && historyList.length > 0">
                 <a-button size="small" :loading="loadingHistory" @click="loadMoreHistory">加载更多</a-button>
               </div>
             </div>
@@ -225,11 +254,11 @@
 
 <script setup>
 import { ref, computed, onMounted } from 'vue'
-import { message } from 'ant-design-vue'
+import { message, Modal } from 'ant-design-vue'
 import { useRouter } from 'vue-router'
 import { LoadingOutlined, CopyOutlined, CustomerServiceOutlined, CloseOutlined } from '@ant-design/icons-vue'
 import { useUserStore } from '@/stores/user'
-import { createNovelComicTask, getNovelComicTaskStatus, getNovelComicHistory } from '@/api/novelComic'
+import { createNovelComicTask, getNovelComicTaskStatus, getNovelComicHistory, deleteNovelComicHistory } from '@/api/novelComic'
 import { getUserSubscriptionInfo } from '@/api/payments'
 import CreationHeader from '@/components/CreationHeader.vue'
 import CreationTabs from '@/components/CreationTabs.vue'
@@ -362,6 +391,8 @@ const handleSubmit = async () => {
       // 异步任务：开始轮询状态
       polling.value = true
       startPolling(taskId)
+      // 刷新历史记录
+      loadHistory()
     } else {
       taskResult.value = {
         status: 'FAILED',
@@ -469,11 +500,35 @@ const resetForm = () => {
   taskResult.value = null
 }
 
+// 字数限制检查
+const THEME_MAX_LENGTH = 100
+const STORY_BACKGROUND_MAX_LENGTH = 2000
+const STORY_SCRIPT_MAX_LENGTH = 10000
+
+const checkThemeLength = (e) => {
+  if (e.target.value.length >= THEME_MAX_LENGTH) {
+    message.warning(`主题最多 ${THEME_MAX_LENGTH} 个字`)
+  }
+}
+
+const checkStoryBackgroundLength = (e) => {
+  if (e.target.value.length >= STORY_BACKGROUND_MAX_LENGTH) {
+    message.warning(`故事背景最多 ${STORY_BACKGROUND_MAX_LENGTH} 个字`)
+  }
+}
+
+const checkStoryScriptLength = (e) => {
+  if (e.target.value.length >= STORY_SCRIPT_MAX_LENGTH) {
+    message.warning(`故事文案最多 ${STORY_SCRIPT_MAX_LENGTH} 个字`)
+  }
+}
+
 // ===== 历史记录 =====
 const historyList = ref([])
 const loadingHistory = ref(false)
 const historyPage = ref(0)
 const hasMoreHistory = ref(false)
+const expandedItemId = ref(null)
 
 const loadHistory = async (page = 0) => {
   loadingHistory.value = true
@@ -488,7 +543,6 @@ const loadHistory = async (page = 0) => {
         historyList.value.push(...items)
       }
       historyPage.value = page
-      // 判断是否还有更多
       const totalElements = data.data.totalElements || 0
       hasMoreHistory.value = historyList.value.length < totalElements
     }
@@ -530,11 +584,47 @@ const formatDate = (dateStr) => {
   return `${month}-${day} ${hour}:${min}`
 }
 
+const formatFriendlyDate = (dateStr) => {
+  if (!dateStr) return ''
+  const date = new Date(dateStr)
+  const now = new Date()
+  const diff = now - date
+  const oneDay = 24 * 60 * 60 * 1000
+  const oneHour = 60 * 60 * 1000
+  const oneMinute = 60 * 1000
+
+  if (diff < oneMinute) {
+    return '刚刚'
+  } else if (diff < oneHour) {
+    const minutes = Math.floor(diff / oneMinute)
+    return `${minutes} 分钟前`
+  } else if (diff < oneDay) {
+    const hours = Math.floor(diff / oneHour)
+    return `${hours} 小时前`
+  } else if (diff < 2 * oneDay) {
+    return '昨天'
+  } else if (diff < 7 * oneDay) {
+    const days = Math.floor(diff / oneDay)
+    return `${days} 天前`
+  } else {
+    return formatDate(dateStr)
+  }
+}
+
 const truncateText = (text, maxLen) => {
   if (!text) return '暂无描述'
   return text.length > maxLen ? text.slice(0, maxLen) + '...' : text
 }
 
+// 展开/收起历史记录
+const toggleExpand = (item) => {
+  if (expandedItemId.value === item.id) {
+    expandedItemId.value = null
+  } else {
+    expandedItemId.value = item.id
+  }
+}
+
 // 查看历史结果
 const viewHistoryItem = (item) => {
   const s = (item.status || '').toUpperCase()
@@ -560,6 +650,34 @@ const reuseHistory = (item) => {
   message.success('已填充历史设置')
 }
 
+// 删除历史记录
+const handleDeleteHistory = (item) => {
+  Modal.confirm({
+    title: '确认删除',
+    content: `确定要删除这条历史记录吗？`,
+    okText: '删除',
+    cancelText: '取消',
+    okType: 'danger',
+    onOk: async () => {
+      try {
+        const response = await deleteNovelComicHistory(item.id)
+        if (response.data?.success) {
+          message.success('删除成功')
+          historyList.value = historyList.value.filter(i => i.id !== item.id)
+          if (expandedItemId.value === item.id) {
+            expandedItemId.value = null
+          }
+        } else {
+          message.error(response.data?.message || '删除失败')
+        }
+      } catch (error) {
+        console.error('删除历史记录失败:', error)
+        message.error('删除失败，请重试')
+      }
+    }
+  })
+}
+
 onMounted(() => {
   checkMembership()
   loadHistory()
@@ -640,7 +758,6 @@ onMounted(() => {
   gap: 20px;
 }
 
-.form-card,
 .result-card {
   background: var(--bg-surface);
   border-radius: 20px;
@@ -649,7 +766,7 @@ onMounted(() => {
   box-shadow: 0 2px 12px rgba(124, 58, 237, 0.04);
 }
 
-.form-card-title {
+.form-section-title {
   font-size: 1.1rem;
   font-weight: 700;
   margin: 0 0 24px 0;
@@ -658,7 +775,7 @@ onMounted(() => {
   padding-bottom: 12px;
 }
 
-.form-card-title::after {
+.form-section-title::after {
   content: '';
   position: absolute;
   bottom: 0;
@@ -1101,6 +1218,75 @@ onMounted(() => {
 .history-item-actions {
   display: flex;
   gap: 8px;
+  margin-top: 12px;
+}
+
+/* 展开区域 */
+.history-expand {
+  margin-top: 12px;
+  padding-top: 12px;
+  border-top: 1px dashed var(--border-subtle);
+}
+
+.history-detail-section {
+  margin-bottom: 12px;
+}
+
+.history-detail-section:last-child {
+  margin-bottom: 0;
+}
+
+.history-detail-label {
+  font-size: 12px;
+  font-weight: 600;
+  color: var(--text-tertiary);
+  margin-bottom: 4px;
+}
+
+.history-detail-content {
+  font-size: 13px;
+  color: var(--text-secondary);
+  line-height: 1.6;
+  background: var(--bg-base);
+  padding: 10px 12px;
+  border-radius: 10px;
+  word-break: break-word;
+}
+
+/* 空状态和加载中 */
+.history-empty,
+.history-loading {
+  text-align: center;
+  padding: 40px 20px;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  gap: 12px;
+}
+
+.history-empty .empty-illustration,
+.history-loading .empty-illustration {
+  font-size: 48px;
+  opacity: 0.6;
+}
+
+.history-empty .empty-title,
+.history-loading .empty-title {
+  font-size: 16px;
+  font-weight: 600;
+  color: var(--text-secondary);
+  margin: 0;
+}
+
+.history-empty .empty-desc,
+.history-loading .empty-desc {
+  font-size: 13px;
+  color: var(--text-tertiary);
+  margin: 0;
+}
+
+.history-loading .is-loading {
+  font-size: 28px;
 }
 
 .history-load-more {
diff --git a/demo/src/main/java/com/example/demo/controller/NovelComicApiController.java b/demo/src/main/java/com/example/demo/controller/NovelComicApiController.java
index bddd90f..d5c8b68 100644
--- a/demo/src/main/java/com/example/demo/controller/NovelComicApiController.java
+++ b/demo/src/main/java/com/example/demo/controller/NovelComicApiController.java
@@ -265,6 +265,46 @@ public class NovelComicApiController {
         return ResponseEntity.ok(response);
     }
 
+    /**
+     * 删除历史记录
+     * 不需要事务，不需要先查询，直接删除并通过影响行数判断
+     */
+    @DeleteMapping("/history/{id}")
+    public ResponseEntity<Map<String, Object>> deleteHistory(
+            @PathVariable Long id,
+            @RequestHeader("Authorization") String token) {
+
+        Map<String, Object> response = new HashMap<>();
+
+        try {
+            String username = extractUsernameFromToken(token);
+            if (username == null) {
+                response.put("success", false);
+                response.put("message", "用户未登录");
+                return ResponseEntity.status(401).body(response);
+            }
+
+            int deleted = novelComicTaskRepository.deleteByIdAndUsername(id, username);
+            
+            if (deleted > 0) {
+                logger.info("删除历史记录成功: id={}, user={}", id, username);
+                response.put("success", true);
+                response.put("message", "删除成功");
+                return ResponseEntity.ok(response);
+            } else {
+                response.put("success", false);
+                response.put("message", "记录不存在或无权限删除");
+                return ResponseEntity.status(404).body(response);
+            }
+
+        } catch (Exception e) {
+            logger.error("删除历史记录异常: id={}", id, e);
+            response.put("success", false);
+            response.put("message", "删除失败: " + e.getMessage());
+            return ResponseEntity.status(500).body(response);
+        }
+    }
+
     /**
      * 更新数据库中的任务记录
      */
diff --git a/demo/src/main/java/com/example/demo/controller/UserWorkApiController.java b/demo/src/main/java/com/example/demo/controller/UserWorkApiController.java
index 40190ac..69fe94c 100644
--- a/demo/src/main/java/com/example/demo/controller/UserWorkApiController.java
+++ b/demo/src/main/java/com/example/demo/controller/UserWorkApiController.java
@@ -96,7 +96,7 @@ public class UserWorkApiController {
     public ResponseEntity<Map<String, Object>> getMyWorks(
             @RequestHeader(value = "Authorization", required = false) String token,
             @RequestParam(defaultValue = "0") int page,
-            @RequestParam(defaultValue = "1000") int size,
+            @RequestParam(defaultValue = "20") int size,
             @RequestParam(defaultValue = "true") boolean includeProcessing,
             @RequestParam(required = false) String workType) {
         
@@ -110,9 +110,10 @@ public class UserWorkApiController {
                 return ResponseEntity.status(401).body(response);
             }
 
-            // 输入验证 - 移除size上限限制
+            // 输入验证 - 设置合理的size上限
             if (page < 0) page = 0;
-            if (size <= 0) size = 1000; // 不设上限，默认1000条
+            if (size <= 0) size = 20;
+            if (size > 100) size = 100; // 设置上限，最多100条
 
             // 解析作品类型
             CommonTaskType filterType = null;
diff --git a/demo/src/main/java/com/example/demo/repository/NovelComicTaskRepository.java b/demo/src/main/java/com/example/demo/repository/NovelComicTaskRepository.java
index d4f976c..379f28a 100644
--- a/demo/src/main/java/com/example/demo/repository/NovelComicTaskRepository.java
+++ b/demo/src/main/java/com/example/demo/repository/NovelComicTaskRepository.java
@@ -5,6 +5,9 @@ import java.util.Optional;
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.Pageable;
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Modifying;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.query.Param;
 import org.springframework.stereotype.Repository;
 
 import com.example.demo.model.NovelComicTask;
@@ -14,5 +17,11 @@ public interface NovelComicTaskRepository extends JpaRepository<NovelComicTask,
 
     Optional<NovelComicTask> findByTaskId(String taskId);
 
+    Optional<NovelComicTask> findByIdAndUsername(Long id, String username);
+
     Page<NovelComicTask> findByUsernameOrderByCreatedAtDesc(String username, Pageable pageable);
+
+    @Modifying
+    @Query("DELETE FROM NovelComicTask t WHERE t.id = :id AND t.username = :username")
+    int deleteByIdAndUsername(@Param("id") Long id, @Param("username") String username);
 }