优化：getSiteInfo、statistics使用了状态管理模式，提升性能。

src/store/modules/statistics.ts

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+/**
+ * 统计数据 store
+ */
+import { defineStore } from 'pinia';
+import { pageUsers } from '@/api/system/user';
+import { pageShopOrder, shopOrderTotal } from '@/api/shop/shopOrder';
+import { addCmsStatistics, listCmsStatistics, updateCmsStatistics } from '@/api/cms/cmsStatistics';
+import { CmsStatistics } from '@/api/cms/cmsStatistics/model';
+import { safeNumber, hasValidId, isValidApiResponse } from '@/utils/type-guards';
+
+export interface StatisticsState {
+  // 统计数据
+  statistics: CmsStatistics | null;
+  // 加载状态
+  loading: boolean;
+  // 最后更新时间
+  lastUpdateTime: number | null;
+  // 缓存有效期（毫秒）- 统计数据缓存时间较短
+  cacheExpiry: number;
+  // 自动刷新定时器
+  refreshTimer: number | null;
+}
+
+export const useStatisticsStore = defineStore({
+  id: 'statistics',
+  state: (): StatisticsState => ({
+    statistics: null,
+    loading: false,
+    lastUpdateTime: null,
+    // 默认缓存5分钟
+    cacheExpiry: 5 * 60 * 1000,
+    refreshTimer: null
+  }),
+
+  getters: {
+    /**
+     * 获取用户总数
+     */
+    userCount: (state): number => {
+      return safeNumber(state.statistics?.userCount);
+    },
+
+    /**
+     * 获取订单总数
+     */
+    orderCount: (state): number => {
+      return safeNumber(state.statistics?.orderCount);
+    },
+
+    /**
+     * 获取总销售额
+     */
+    totalSales: (state): number => {
+      return safeNumber(state.statistics?.totalSales);
+    },
+
+    /**
+     * 获取今日销售额
+     */
+    todaySales: (state): number => {
+      return safeNumber(state.statistics?.todaySales);
+    },
+
+    /**
+     * 获取本月销售额
+     */
+    monthSales: (state): number => {
+      return safeNumber(state.statistics?.monthSales);
+    },
+
+    /**
+     * 获取今日订单数
+     */
+    todayOrders: (state): number => {
+      return safeNumber(state.statistics?.todayOrders);
+    },
+
+    /**
+     * 获取今日新增用户
+     */
+    todayUsers: (state): number => {
+      return safeNumber(state.statistics?.todayUsers);
+    },
+
+    /**
+     * 检查缓存是否有效
+     */
+    isCacheValid: (state): boolean => {
+      if (!state.lastUpdateTime) return false;
+      const now = Date.now();
+      return (now - state.lastUpdateTime) < state.cacheExpiry;
+    }
+  },
+
+  actions: {
+    /**
+     * 获取统计数据
+     * @param forceRefresh 是否强制刷新
+     */
+    async fetchStatistics(forceRefresh = false) {
+      // 如果缓存有效且不强制刷新，直接返回缓存数据
+      if (!forceRefresh && this.isCacheValid && this.statistics) {
+        return this.statistics;
+      }
+
+      this.loading = true;
+      try {
+        // 并行获取各种统计数据
+        const [users, orders, total, statisticsData] = await Promise.all([
+          pageUsers({}),
+          pageShopOrder({}),
+          shopOrderTotal(),
+          listCmsStatistics({})
+        ]);
+
+        let statistics: CmsStatistics;
+
+        if (statisticsData && statisticsData.length > 0) {
+          // 更新现有统计数据
+          const existingStatistics = statisticsData[0];
+
+          // 确保数据存在且有有效的 ID
+          if (hasValidId(existingStatistics)) {
+            const updateData: Partial<CmsStatistics> = {
+              id: existingStatistics.id,
+              userCount: safeNumber(isValidApiResponse(users) ? users.count : 0),
+              orderCount: safeNumber(isValidApiResponse(orders) ? orders.count : 0),
+              totalSales: safeNumber(total),
+            };
+
+            // 异步更新数据库
+            setTimeout(() => {
+              updateCmsStatistics(updateData).catch((error) => {
+                console.error('更新统计数据失败:', error);
+              });
+            }, 1000);
+
+            // 更新本地数据
+            statistics = { ...existingStatistics, ...updateData };
+          } else {
+            // 如果现有数据无效，使用基础数据
+            statistics = {
+              userCount: safeNumber(isValidApiResponse(users) ? users.count : 0),
+              orderCount: safeNumber(isValidApiResponse(orders) ? orders.count : 0),
+              totalSales: safeNumber(total),
+            };
+          }
+        } else {
+          // 创建新的统计数据
+          statistics = {
+            userCount: safeNumber(isValidApiResponse(users) ? users.count : 0),
+            orderCount: safeNumber(isValidApiResponse(orders) ? orders.count : 0),
+            totalSales: safeNumber(total),
+          };
+
+          // 异步保存到数据库
+          setTimeout(() => {
+            addCmsStatistics(statistics).catch((error) => {
+              console.error('保存统计数据失败:', error);
+            });
+          }, 1000);
+        }
+
+        this.statistics = statistics;
+        this.lastUpdateTime = Date.now();
+
+        return statistics;
+      } catch (error) {
+        console.error('获取统计数据失败:', error);
+        throw error;
+      } finally {
+        this.loading = false;
+      }
+    },
+
+    /**
+     * 更新统计数据
+     */
+    updateStatistics(statistics: Partial<CmsStatistics>) {
+      if (this.statistics) {
+        this.statistics = { ...this.statistics, ...statistics };
+        this.lastUpdateTime = Date.now();
+      }
+    },
+
+    /**
+     * 清除缓存
+     */
+    clearCache() {
+      this.statistics = null;
+      this.lastUpdateTime = null;
+    },
+
+    /**
+     * 设置缓存有效期
+     */
+    setCacheExpiry(expiry: number) {
+      this.cacheExpiry = expiry;
+    },
+
+    /**
+     * 开始自动刷新
+     * @param interval 刷新间隔（毫秒），默认5分钟
+     */
+    startAutoRefresh(interval = 5 * 60 * 1000) {
+      this.stopAutoRefresh();
+      this.refreshTimer = window.setInterval(() => {
+        this.fetchStatistics(true).catch(console.error);
+      }, interval);
+    },
+
+    /**
+     * 停止自动刷新
+     */
+    stopAutoRefresh() {
+      if (this.refreshTimer) {
+        clearInterval(this.refreshTimer);
+        this.refreshTimer = null;
+      }
+    }
+  }
+});