diff --git a/src/views/Community/components/DynamicNewsCard/hooks/usePagination.js b/src/views/Community/components/DynamicNewsCard/hooks/usePagination.js
index 4c6f0e4d..11426d98 100644
--- a/src/views/Community/components/DynamicNewsCard/hooks/usePagination.js
+++ b/src/views/Community/components/DynamicNewsCard/hooks/usePagination.js
@@ -22,25 +22,29 @@ import {
  * @returns {Object} 分页状态和方法
  */
 export const usePagination = ({ allCachedEvents, total, cachedCount, dispatch, toast }) => {
-  // 组件挂载状态跟踪 - 用于防止内存泄漏
-  const isMountedRef = useRef(true);
-
   // 本地状态
   const [currentPage, setCurrentPage] = useState(PAGINATION_CONFIG.INITIAL_PAGE);
   const [loadingPage, setLoadingPage] = useState(null);
   const [mode, setMode] = useState(DEFAULT_MODE);
 
-  // 组件卸载时更新挂载状态
-  useEffect(() => {
-    return () => {
-      isMountedRef.current = false;
-    };
-  }, []);
+  // 累积显示的事件列表（用于四排模式的无限滚动）
+  const [accumulatedEvents, setAccumulatedEvents] = useState([]);
 
   // 根据模式决定每页显示数量
-  const pageSize = mode === DISPLAY_MODES.CAROUSEL
-    ? PAGINATION_CONFIG.CAROUSEL_PAGE_SIZE
-    : PAGINATION_CONFIG.GRID_PAGE_SIZE;
+  const pageSize = (() => {
+    switch (mode) {
+      case DISPLAY_MODES.CAROUSEL:
+        return PAGINATION_CONFIG.CAROUSEL_PAGE_SIZE;
+      case DISPLAY_MODES.GRID:
+        return PAGINATION_CONFIG.GRID_PAGE_SIZE;
+      case DISPLAY_MODES.FOUR_ROW:
+        return PAGINATION_CONFIG.FOUR_ROW_PAGE_SIZE;
+      case DISPLAY_MODES.VERTICAL:
+        return PAGINATION_CONFIG.VERTICAL_PAGE_SIZE;
+      default:
+        return PAGINATION_CONFIG.CAROUSEL_PAGE_SIZE;
+    }
+  })();
 
   // 计算总页数（基于服务端总数据量）
   const totalPages = Math.ceil(total / pageSize) || 1;
@@ -48,6 +52,9 @@ export const usePagination = ({ allCachedEvents, total, cachedCount, dispatch, t
   // 检查是否还有更多数据
   const hasMore = cachedCount < total;
 
+  // 判断是否使用累积模式（四排模式）
+  const isAccumulateMode = mode === DISPLAY_MODES.FOUR_ROW;
+
   // 从缓存中切片获取当前页数据（过滤 null 占位符）
   const currentPageEvents = useMemo(() => {
     const startIndex = (currentPage - 1) * pageSize;
@@ -55,6 +62,17 @@ export const usePagination = ({ allCachedEvents, total, cachedCount, dispatch, t
     return allCachedEvents.slice(startIndex, endIndex).filter(event => event !== null);
   }, [allCachedEvents, currentPage, pageSize]);
 
+  // 当前显示的事件列表（累积模式 vs 分页模式）
+  const displayEvents = useMemo(() => {
+    if (isAccumulateMode) {
+      // 四排模式：累积显示所有已加载的事件
+      return accumulatedEvents;
+    } else {
+      // 其他模式：只显示当前页
+      return currentPageEvents;
+    }
+  }, [isAccumulateMode, accumulatedEvents, currentPageEvents]);
+
   /**
    * 子函数1: 检查目标页缓存状态
    * @param {number} targetPage - 目标页码
@@ -65,7 +83,10 @@ export const usePagination = ({ allCachedEvents, total, cachedCount, dispatch, t
     const targetPageEndIndex = targetPageStartIndex + pageSize;
     const targetPageData = allCachedEvents.slice(targetPageStartIndex, targetPageEndIndex);
     const validTargetData = targetPageData.filter(e => e !== null);
-    const expectedCount = Math.min(pageSize, total - targetPageStartIndex);
+    // 修复：确保 expectedCount 不为负数
+    // - 当 total = 0 时，expectedCount = pageSize，强制发起请求
+    // - 当 total - targetPageStartIndex < 0 时，expectedCount = 0
+    const expectedCount = total === 0 ? pageSize : Math.max(0, Math.min(pageSize, total - targetPageStartIndex));
     const isTargetPageCached = validTargetData.length >= expectedCount;
 
     logger.debug('DynamicNewsCard', '目标页缓存检查', {
@@ -89,275 +110,177 @@ export const usePagination = ({ allCachedEvents, total, cachedCount, dispatch, t
     };
   }, [allCachedEvents, pageSize, total]);
 
+  // 已删除: calculatePreloadRange（不再需要预加载）
+
+  // 已删除: findMissingPages（不再需要查找缺失页面）
+
   /**
-   * 子函数2: 计算预加载范围
+   * 加载单个页面数据
    * @param {number} targetPage - 目标页码
-   * @param {number} fromPage - 来源页码
-   * @returns {Array<number>} 预加载页码数组
-   */
-  const calculatePreloadRange = useCallback((targetPage, fromPage) => {
-    const isSequentialNavigation = Math.abs(targetPage - fromPage) === 1;
-
-    let preloadRange;
-    if (isSequentialNavigation) {
-      // 连续翻页：前后各N页（N = PRELOAD_RANGE）
-      const start = Math.max(1, targetPage - PAGINATION_CONFIG.PRELOAD_RANGE);
-      const end = Math.min(totalPages, targetPage + PAGINATION_CONFIG.PRELOAD_RANGE);
-      preloadRange = Array.from(
-        { length: end - start + 1 },
-        (_, i) => start + i
-      );
-    } else {
-      // 跳转翻页：只加载当前页
-      preloadRange = [targetPage];
-    }
-
-    logger.debug('DynamicNewsCard', '计算预加载范围', {
-      targetPage,
-      fromPage,
-      isSequentialNavigation,
-      preloadRange
-    });
-
-    return preloadRange;
-  }, [totalPages]);
-
-  /**
-   * 子函数3: 查找缺失页面
-   * @param {Array<number>} preloadRange - 预加载范围
-   * @returns {Array<number>} 缺失页码数组
-   */
-  const findMissingPages = useCallback((preloadRange) => {
-    const missingPages = preloadRange.filter(page => {
-      const pageStartIndex = (page - 1) * pageSize;
-      const pageEndIndex = pageStartIndex + pageSize;
-
-      // 如果该页超出数组范围，说明未缓存
-      if (pageEndIndex > allCachedEvents.length) {
-        logger.debug('DynamicNewsCard', `页面${page}超出数组范围`, {
-          pageStartIndex,
-          pageEndIndex,
-          allCachedEventsLength: allCachedEvents.length
-        });
-        return true;
-      }
-
-      // 检查该页的数据是否包含 null 占位符或数据不足
-      const pageData = allCachedEvents.slice(pageStartIndex, pageEndIndex);
-      const validData = pageData.filter(e => e !== null);
-      const expectedCount = Math.min(pageSize, total - pageStartIndex);
-      const hasNullOrIncomplete = validData.length < expectedCount;
-
-      logger.debug('DynamicNewsCard', `页面${page}数据检查`, {
-        pageStartIndex,
-        pageEndIndex,
-        pageDataLength: pageData.length,
-        validDataLength: validData.length,
-        expectedCount,
-        hasNullOrIncomplete
-      });
-
-      return hasNullOrIncomplete;
-    });
-
-    logger.debug('DynamicNewsCard', '缺失页面检测完成', {
-      preloadRange,
-      missingPages,
-      missingPagesCount: missingPages.length
-    });
-
-    return missingPages;
-  }, [allCachedEvents, pageSize, total]);
-
-  /**
-   * 子函数4: 加载页面数据
-   * @param {Array<number>} missingPages - 缺失页码数组
-   * @param {number} targetPage - 目标页码
-   * @param {boolean} silentMode - 静默模式（后台预加载）
    * @returns {Promise<boolean>} 是否加载成功
    */
-  const loadPages = useCallback(async (missingPages, targetPage, silentMode = false) => {
-    // 检查组件是否已卸载
-    if (!isMountedRef.current) {
-      logger.debug('DynamicNewsCard', '组件已卸载，取消加载');
-      return false;
-    }
-
-    if (!silentMode) {
-      // 显示 loading 状态
-      setLoadingPage(targetPage);
-    }
+  const loadPage = useCallback(async (targetPage) => {
+    // 显示 loading 状态
+    setLoadingPage(targetPage);
 
     try {
+      console.log(`%c🟢 [API请求] 开始加载第${targetPage}页数据`, 'color: #16A34A; font-weight: bold;');
+      console.log(`%c   请求参数: page=${targetPage}, per_page=${pageSize}`, 'color: #16A34A;');
+
       logger.debug('DynamicNewsCard', '开始加载页面数据', {
-        missingPages,
         targetPage,
-        silentMode,
         pageSize
       });
 
-      // 拆分为单页请求，避免 per_page 动态值导致后端返回空数据
-      for (const page of missingPages) {
-        // 每次请求前检查组件是否已卸载
-        if (!isMountedRef.current) {
-          logger.debug('DynamicNewsCard', '组件已卸载，中止加载');
-          return false;
-        }
+      await dispatch(fetchDynamicNews({
+        page: targetPage,
+        per_page: pageSize,
+        pageSize: pageSize,
+        clearCache: false
+      })).unwrap();
 
-        logger.debug('DynamicNewsCard', `开始加载第 ${page} 页`);
-
-        await dispatch(fetchDynamicNews({
-          page: page,
-          per_page: pageSize,  // 固定值（5或10），不使用动态计算
-          pageSize: pageSize,
-          clearCache: false
-        })).unwrap();
-
-        logger.debug('DynamicNewsCard', `第 ${page} 页加载完成`);
-      }
-
-      logger.debug('DynamicNewsCard', '所有页面加载完成', {
-        missingPages,
-        silentMode
-      });
+      console.log(`%c🟢 [API请求] 第${targetPage}页加载完成`, 'color: #16A34A; font-weight: bold;');
+      logger.debug('DynamicNewsCard', `第 ${targetPage} 页加载完成`);
 
       return true;
     } catch (error) {
-      logger.error('DynamicNewsCard', 'loadPages', error, {
-        targetPage,
-        silentMode,
-        missingPages
+      logger.error('DynamicNewsCard', 'loadPage', error, {
+        targetPage
       });
 
-      // 只在组件仍挂载时显示错误提示
-      if (!silentMode && isMountedRef.current) {
-        toast({
-          title: '加载失败',
-          description: `无法加载第 ${targetPage} 页数据，请稍后重试`,
-          status: 'error',
-          duration: TOAST_CONFIG.DURATION_ERROR,
-          isClosable: true,
-          position: 'top'
-        });
-      }
+      toast({
+        title: '加载失败',
+        description: `无法加载第 ${targetPage} 页数据，请稍后重试`,
+        status: 'error',
+        duration: TOAST_CONFIG.DURATION_ERROR,
+        isClosable: true,
+        position: 'top'
+      });
 
       return false;
     } finally {
-      // 只在组件仍挂载时清除加载状态
-      if (!silentMode && isMountedRef.current) {
-        setLoadingPage(null);
-      }
+      setLoadingPage(null);
     }
   }, [dispatch, pageSize, toast]);
 
-  // 翻页处理（智能预加载）- 使用子函数重构
+  // 翻页处理（简化版 - 无预加载）
   const handlePageChange = useCallback(async (newPage) => {
-    // 检查组件是否已卸载
-    if (!isMountedRef.current) {
-      logger.debug('DynamicNewsCard', '组件已卸载，取消翻页');
-      return;
-    }
+    console.log(`%c🔵 [翻页逻辑] handlePageChange 开始`, 'color: #3B82F6; font-weight: bold;');
+    console.log(`%c   当前页: ${currentPage}, 目标页: ${newPage}, 总页数: ${totalPages}`, 'color: #3B82F6;');
+    console.log(`%c   每页大小: ${pageSize}, 缓存总数: ${allCachedEvents.length}, 服务端总数: ${total}`, 'color: #3B82F6;');
 
-    // 🔍 诊断日志 - 记录翻页开始状态
     logger.debug('DynamicNewsCard', '开始翻页', {
       currentPage,
       newPage,
       pageSize,
       totalPages,
-      hasMore,
       total,
       allCachedEventsLength: allCachedEvents.length,
       cachedCount
     });
 
-    // 步骤1: 检查目标页缓存状态
-    const { isTargetPageCached } = checkTargetPageCache(newPage);
+    // 特殊处理：返回第一页 - 清空缓存重新加载
+    if (newPage === 1) {
+      logger.debug('DynamicNewsCard', '返回第一页，清空缓存重新加载');
+      setCurrentPage(1);
+      dispatch(fetchDynamicNews({
+        page: 1,
+        per_page: pageSize,
+        pageSize: pageSize,
+        clearCache: true  // 清空缓存
+      }));
+      return;
+    }
 
-    // 步骤2: 计算预加载范围
-    const preloadRange = calculatePreloadRange(newPage, currentPage);
+    // 检查目标页缓存状态
+    const { isTargetPageCached, targetPageInfo } = checkTargetPageCache(newPage);
 
-    // 步骤3: 查找缺失页面
-    const missingPages = findMissingPages(preloadRange);
+    console.log(`%c🟡 [缓存检查] 目标页${newPage}缓存状态`, 'color: #EAB308; font-weight: bold;');
+    console.log(`%c   是否已缓存: ${isTargetPageCached ? '✅ 是' : '❌ 否'}`, `color: ${isTargetPageCached ? '#16A34A' : '#DC2626'};`);
+    console.log(`%c   索引范围: ${targetPageInfo.startIndex}-${targetPageInfo.endIndex}`, 'color: #EAB308;');
+    console.log(`%c   实际数量: ${targetPageInfo.validCount}, 期望数量: ${targetPageInfo.expectedCount}`, 'color: #EAB308;');
 
-    // 步骤4: 根据情况加载数据
-    if (isTargetPageCached && missingPages.length > 0 && hasMore) {
-      // 场景A: 目标页已缓存，立即切换，后台静默预加载其他页
-      logger.debug('DynamicNewsCard', '目标页已缓存，立即切换 + 后台预加载', {
-        currentPage,
-        newPage,
-        缺失页面: missingPages
-      });
-
-      // 只在组件仍挂载时更新状态
-      if (isMountedRef.current) {
-        setCurrentPage(newPage);
-      }
-      await loadPages(missingPages, newPage, true); // 静默模式
-    } else if (missingPages.length > 0 && hasMore) {
-      // 场景B: 目标页未缓存，显示 loading 并等待加载完成
-      logger.debug('DynamicNewsCard', '目标页未缓存，显示 loading', {
-        currentPage,
-        newPage,
-        缺失页面: missingPages
-      });
-
-      const success = await loadPages(missingPages, newPage, false); // 非静默模式
-      // 只在加载成功且组件仍挂载时更新状态
-      if (success && isMountedRef.current) {
-        setCurrentPage(newPage);
-      }
-    } else if (missingPages.length === 0) {
-      // 场景C: 所有页面均已缓存，直接切换
-      logger.debug('DynamicNewsCard', '无需加载，直接切换', {
-        currentPage,
-        newPage,
-        reason: '所有页面均已缓存'
-      });
-
-      // 只在组件仍挂载时更新状态
-      if (isMountedRef.current) {
-        setCurrentPage(newPage);
-      }
+    if (isTargetPageCached) {
+      // 目标页已缓存，直接切换
+      console.log(`%c🟡 [缓存] 目标页已缓存，直接切换到第${newPage}页`, 'color: #16A34A; font-weight: bold;');
+      logger.debug('DynamicNewsCard', '目标页已缓存，直接切换', { newPage });
+      setCurrentPage(newPage);
     } else {
-      // 场景D: 意外分支（有缺失页面但 hasMore=false）
-      logger.warn('DynamicNewsCard', '意外分支：有缺失页面但无法加载', {
-        missingPages,
-        hasMore,
-        currentPage,
-        newPage,
-        total,
-        cachedCount
-      });
+      // 目标页未缓存，显示 loading 并加载数据
+      console.log(`%c🟡 [缓存] 目标页未缓存，需要加载第${newPage}页数据`, 'color: #DC2626; font-weight: bold;');
+      logger.debug('DynamicNewsCard', '目标页未缓存，加载数据', { newPage });
+      const success = await loadPage(newPage);
 
-      // 只在组件仍挂载时更新状态
-      if (isMountedRef.current) {
+      // 加载成功后切换页面
+      if (success) {
+        console.log(`%c🟢 [加载成功] 切换到第${newPage}页`, 'color: #16A34A; font-weight: bold;');
         setCurrentPage(newPage);
-
-        toast({
-          title: '数据不完整',
-          description: `第 ${newPage} 页数据可能不完整`,
-          status: 'warning',
-          duration: TOAST_CONFIG.DURATION_WARNING,
-          isClosable: true,
-          position: 'top'
-        });
+      } else {
+        console.log(`%c❌ [加载失败] 未能切换到第${newPage}页`, 'color: #DC2626; font-weight: bold;');
       }
     }
   }, [
     currentPage,
     pageSize,
     totalPages,
-    hasMore,
     total,
     allCachedEvents.length,
     cachedCount,
     checkTargetPageCache,
-    calculatePreloadRange,
-    findMissingPages,
-    loadPages,
+    loadPage,
+    dispatch,
     toast
   ]);
 
+  // 更新累积列表（四排模式专用）
+  useEffect(() => {
+    if (isAccumulateMode) {
+      // 计算已加载的所有事件（从第1页到当前页）
+      const startIndex = 0;
+      const endIndex = currentPage * pageSize;
+      const accumulated = allCachedEvents.slice(startIndex, endIndex).filter(e => e !== null);
+
+      logger.debug('DynamicNewsCard', '更新累积事件列表', {
+        currentPage,
+        pageSize,
+        startIndex,
+        endIndex,
+        accumulatedLength: accumulated.length
+      });
+
+      setAccumulatedEvents(accumulated);
+    } else {
+      // 非累积模式时清空累积列表
+      if (accumulatedEvents.length > 0) {
+        setAccumulatedEvents([]);
+      }
+    }
+  }, [isAccumulateMode, currentPage, pageSize, allCachedEvents]);
+
+  // 加载下一页（用于无限滚动）
+  const loadNextPage = useCallback(async () => {
+    if (currentPage >= totalPages || loadingPage !== null) {
+      logger.debug('DynamicNewsCard', '无法加载下一页', {
+        currentPage,
+        totalPages,
+        loadingPage,
+        reason: currentPage >= totalPages ? '已是最后一页' : '正在加载中'
+      });
+      return Promise.resolve(false); // 没有更多数据或正在加载
+    }
+
+    const nextPage = currentPage + 1;
+    logger.debug('DynamicNewsCard', '懒加载：加载下一页', { currentPage, nextPage });
+
+    try {
+      await handlePageChange(nextPage);
+      return true;
+    } catch (error) {
+      logger.error('DynamicNewsCard', '懒加载失败', error, { nextPage });
+      return false;
+    }
+  }, [currentPage, totalPages, loadingPage, handlePageChange]);
+
   // 模式切换处理
   const handleModeToggle = useCallback((newMode) => {
     if (newMode === mode) return;
@@ -365,9 +288,20 @@ export const usePagination = ({ allCachedEvents, total, cachedCount, dispatch, t
     setMode(newMode);
     setCurrentPage(PAGINATION_CONFIG.INITIAL_PAGE);
 
-    const newPageSize = newMode === DISPLAY_MODES.CAROUSEL
-      ? PAGINATION_CONFIG.CAROUSEL_PAGE_SIZE
-      : PAGINATION_CONFIG.GRID_PAGE_SIZE;
+    const newPageSize = (() => {
+      switch (newMode) {
+        case DISPLAY_MODES.CAROUSEL:
+          return PAGINATION_CONFIG.CAROUSEL_PAGE_SIZE;
+        case DISPLAY_MODES.GRID:
+          return PAGINATION_CONFIG.GRID_PAGE_SIZE;
+        case DISPLAY_MODES.FOUR_ROW:
+          return PAGINATION_CONFIG.FOUR_ROW_PAGE_SIZE;
+        case DISPLAY_MODES.VERTICAL:
+          return PAGINATION_CONFIG.VERTICAL_PAGE_SIZE;
+        default:
+          return PAGINATION_CONFIG.CAROUSEL_PAGE_SIZE;
+      }
+    })();
 
     // 检查第1页的数据是否完整（排除 null）
     const firstPageData = allCachedEvents.slice(0, newPageSize);
@@ -395,9 +329,12 @@ export const usePagination = ({ allCachedEvents, total, cachedCount, dispatch, t
     totalPages,
     hasMore,
     currentPageEvents,
+    displayEvents,        // 新增：当前显示的事件列表（累积或分页）
+    isAccumulateMode,     // 新增：是否累积模式
 
     // 方法
     handlePageChange,
-    handleModeToggle
+    handleModeToggle,
+    loadNextPage          // 新增：加载下一页（用于无限滚动）
   };
 };