diff --git a/pwuniapp/components/HomePopupModal.vue b/pwuniapp/components/HomePopupModal.vue
index cba4c15..c2f55c7 100644
--- a/pwuniapp/components/HomePopupModal.vue
+++ b/pwuniapp/components/HomePopupModal.vue
@@ -29,12 +29,13 @@
 </template>
 
 <script setup>
-import { ref, computed, onMounted } from 'vue';
+import { ref, computed, onMounted, onUnmounted } from 'vue';
 import { ICONS } from '@/common/icons.js';
 import { getCurrentThemeKey } from '@/common/theme.js';
 import { getPlatformConfigs } from '@/common/api.js';
 
 const visible = ref(false);
+let popupTimer = null;
 const config = ref({
   enabled: false,
   title: '',
@@ -81,7 +82,8 @@ const checkAndDisplayPopup = async () => {
     }
 
     // 延迟 600ms 展示，保证首屏骨架屏转场顺畅
-    setTimeout(() => {
+    if (popupTimer) clearTimeout(popupTimer);
+    popupTimer = setTimeout(() => {
       visible.value = true;
       uni.setStorageSync(storageKey, String(now));
     }, 600);
@@ -107,6 +109,13 @@ const handleAction = () => {
 onMounted(() => {
   checkAndDisplayPopup();
 });
+
+onUnmounted(() => {
+  if (popupTimer) {
+    clearTimeout(popupTimer);
+    popupTimer = null;
+  }
+});
 </script>
 
 <style>
diff --git a/pwuniapp/pages/community/index.vue b/pwuniapp/pages/community/index.vue
index 00c8472..e2abc99 100644
--- a/pwuniapp/pages/community/index.vue
+++ b/pwuniapp/pages/community/index.vue
@@ -129,6 +129,7 @@
               v-for="(img, idx) in post.images"
               :key="idx"
               class="post-img"
+              lazy-load
               :src="img"
               mode="aspectFill"
               @click.stop="previewImage(post.images, idx)"
diff --git a/pwuniapp/pages/expert/hall.vue b/pwuniapp/pages/expert/hall.vue
index d245303..d39283c 100644
--- a/pwuniapp/pages/expert/hall.vue
+++ b/pwuniapp/pages/expert/hall.vue
@@ -397,8 +397,9 @@ const loadHallData = async () => {
         }
       }).catch(() => {}),
 
-      getActivities().then((list) => {
-        const arr = Array.isArray(list) ? list : [];
+      getActivities({ page: 1, pageSize: 20 }).then((res) => {
+        // 大厅只展示最近 5 个可报名组局，按页取数避免每 30 秒拉全量活动与参与者
+        const arr = Array.isArray(res) ? res : (res && Array.isArray(res.list) ? res.list : []);
         nearbyActivities.value = arr
           .filter((a) => a && (a.status === 'RECRUITING' || a.status === '招募中'))
           .slice(0, 5);
diff --git a/pwuniapp/pages/index/index.vue b/pwuniapp/pages/index/index.vue
index 31b9916..c749c4d 100644
--- a/pwuniapp/pages/index/index.vue
+++ b/pwuniapp/pages/index/index.vue
@@ -128,7 +128,7 @@
         >
           <!-- 封面图构图优化：高保真黄金比例与底部流光渐变 -->
           <view class="card-cover-wrap">
-            <image class="card-cover" :src="expert.avatar" mode="aspectFill" />
+            <image class="card-cover" :src="expert.avatar" mode="aspectFill" lazy-load />
             <view class="cover-gradient"></view>
             
             <view class="status-tag" :class="expert.isOnline ? 'online' : 'offline'">
@@ -489,6 +489,15 @@ onShow(() => {
 
 onUnmounted(() => {
   uni.$off('theme-change', onThemeChanged);
+  if (searchTimer) {
+    clearTimeout(searchTimer);
+    searchTimer = null;
+  }
+  if (matchTimer) {
+    clearTimeout(matchTimer);
+    matchTimer = null;
+  }
+  matchSeq += 1;
   try { if (homeVoiceAudio) { homeVoiceAudio.destroy(); homeVoiceAudio = null; } } catch (_) {}
 });
 
diff --git a/server/src/db/mysql.ts b/server/src/db/mysql.ts
index 694be64..0993676 100644
--- a/server/src/db/mysql.ts
+++ b/server/src/db/mysql.ts
@@ -9,8 +9,8 @@ export const dbConfig = {
   database: process.env.MYSQL_DATABASE || 'peiwan',
   charset: 'utf8mb4',
   waitForConnections: true,
-  connectionLimit: 10,
-  queueLimit: 0,
+  connectionLimit: Math.max(5, Number(process.env.MYSQL_CONNECTION_LIMIT) || 20),
+  queueLimit: Math.max(0, Number(process.env.MYSQL_QUEUE_LIMIT) || 100),
 };
 
 export const pool: Pool = mysql.createPool(dbConfig);
@@ -773,6 +773,9 @@ export async function initDatabase(): Promise<void> {
       ['orders', 'idx_orders_expert', 'expert_id'],
       ['orders', 'idx_orders_claimed_by', 'claimed_by'],
       ['orders', 'idx_orders_status_created', 'status, created_at'],
+      ['orders', 'idx_orders_buyer_created', 'buyer_id, created_at'],
+      ['orders', 'idx_orders_claimed_created', 'claimed_by, created_at'],
+      ['orders', 'idx_orders_expert_created', 'expert_id, created_at'],
       ['orders', 'idx_orders_verify_code', 'verify_code'],
       ['orders', 'idx_orders_companion_name', 'companion_name'],
       ['order_reviews', 'idx_reviews_expert_created', 'expert_id, created_at'],
@@ -784,6 +787,7 @@ export async function initDatabase(): Promise<void> {
       ['favorites', 'idx_fav_expert', 'expert_id'],
       ['distribution_records', 'idx_dist_created', 'created_at'],
       ['posts', 'idx_posts_status_top_created', 'status, is_top, created_at'],
+      ['posts', 'idx_posts_top_created', 'is_top, created_at'],
       ['posts', 'idx_posts_category', 'category'],
       ['reports', 'idx_reports_status', 'status'],
       ['reports', 'idx_reports_reporter', 'reporter_id'],
@@ -792,7 +796,9 @@ export async function initDatabase(): Promise<void> {
       ['activities', 'idx_act_creator', 'creator_id'],
       ['activities', 'idx_act_status', 'status'],
       ['activities', 'idx_act_status_created', 'status, created_at'],
-      ['withdrawals', 'idx_wd_status_created', 'status, created_at'],
+      ['activities', 'idx_act_pay_created', 'pay_type, created_at'],
+      ['activities', 'idx_act_creator_created', 'creator_id, created_at'],
+      ['withdrawals', 'idx_wd_status_apply', 'status, apply_time'],
       ['payment_intents', 'idx_pi_status_created', 'status, created_at'],
       ['payment_intents', 'idx_pi_order', 'order_id'],
       ['payment_intents', 'idx_pi_status', 'status'],
@@ -800,6 +806,11 @@ export async function initDatabase(): Promise<void> {
       ['users', 'idx_users_inviter', 'inviter_id'],
       ['users', 'idx_users_nickname', 'nickname'],
       ['participants', 'idx_pt_user', 'user_id'],
+      ['participants', 'idx_activity_created', 'activity_id, created_at'],
+      ['user_notifications', 'idx_notif_user_created', 'user_id, created_at, id'],
+      ['finance_records', 'idx_fin_user_created', 'user_id, created_at'],
+      ['withdrawals', 'idx_wd_companion_apply', 'companion_id, apply_time'],
+      ['withdrawals', 'idx_wd_status_updated', 'status, updated_at'],
       ['post_likes', 'idx_post_likes_post', 'post_id'],
       ['post_comments', 'idx_pc_post', 'post_id'],
       ['post_applies', 'idx_pa_post', 'post_id'],
diff --git a/server/src/db/repository.ts b/server/src/db/repository.ts
index 59ac2ef..9a66910 100644
--- a/server/src/db/repository.ts
+++ b/server/src/db/repository.ts
@@ -318,8 +318,6 @@ export class MysqlRepository {
     return this.getActivityById(id);
   }
 
-  private verifyCodeCache = new Map<string, { participantId: string; userId: number; expireAt: number }>();
-
   private async settleActivityCheckinAndReferral(
     activityId: string,
     creatorId: number,
@@ -507,21 +505,12 @@ export class MysqlRepository {
 
       await conn.commit();
 
-      // 7. 提交成功后再写入核销码缓存索引 act:verify:{activity_id}:{verify_code} -> participant_id (TTL 24h)
-      const cacheKey = `act:verify:${activityId}:${verifyCode}`;
-      this.verifyCodeCache.set(cacheKey, {
-        participantId: ptId,
-        userId: params.userId,
-        expireAt: Date.now() + 24 * 3600 * 1000
-      });
-
       return {
         id: ptId,
         activityId,
         userId: params.userId,
         payAmountCents: joinFeeCents,
         verifyCode,
-        cacheKey,
         checkinStatus: false,
       };
     } catch (err) {
@@ -563,9 +552,6 @@ export class MysqlRepository {
       throw new Error('该核销码已核销过，不可重复核销（防重校验已生效）');
     }
 
-    const cacheKey = `act:verify:${activityId}:${verifyCode}`;
-    this.verifyCodeCache.delete(cacheKey);
-
     // 触发活动费用清算逻辑（划入发起人账户）及二级分销返佣
     await this.settleActivityCheckinAndReferral(
       activityId,
@@ -666,7 +652,6 @@ export class MysqlRepository {
       if (!updateRes || updateRes.affectedRows === 0) {
         throw new Error(`核销码 [${verifyCode}] 已完成现场签到，不可重复核销（防重校验已生效）`);
       }
-      this.verifyCodeCache.delete(`act:verify:${info.relatedId}:${verifyCode}`);
       await this.settleActivityCheckinAndReferral(
         String(info.relatedId),
         Number(info.creatorId || operatorId),
@@ -2465,84 +2450,91 @@ export class MysqlRepository {
     const eId = scope.companionId || scope.userId;
     const eUid = scope.userId;
     const now = new Date();
+    const statuses = "('已完成', '已到场核销', '服务中', '待确认')";
+    const pad2 = (n: number) => String(n).padStart(2, '0');
+    const makePoint = (label: string, row: any) => {
+      const count = Number(row?.orders || 0);
+      const income = Number(Number(row?.income || 0).toFixed(2));
+      return {
+        label,
+        income,
+        orders: count,
+        avgPrice: count > 0 ? Number((income / count).toFixed(2)) : 0,
+      };
+    };
 
-    // 1. 近 7 天走势
-    const daily: { label: string; income: number; orders: number; avgPrice: number }[] = [];
+    // 1. 近 7 天走势：一次 GROUP BY，避免每天一次查询
+    const dailyLabels: { label: string; key: string }[] = [];
     for (let i = 6; i >= 0; i--) {
-      const d = new Date(now.getTime() - i * 86400000);
-      const mm = String(d.getMonth() + 1).padStart(2, '0');
-      const dd = String(d.getDate()).padStart(2, '0');
-      const dateStr = `${d.getFullYear()}-${mm}-${dd}`;
-      const label = `${mm}-${dd}`;
-
-      try {
-        const [dayRows]: any = await pool.query(`
-          SELECT 
-            COUNT(*) as orders,
-            COALESCE(SUM(amount), 0) as income
-          FROM orders
-          WHERE (expert_id = ? OR claimed_by = ?)
-            AND DATE(created_at) = ?
-            AND status IN ('已完成', '已到场核销', '服务中', '待确认')
-        `, [eId, eUid, dateStr]);
-        const count = Number(dayRows[0]?.orders || 0);
-        const inc = Number(Number(dayRows[0]?.income || 0).toFixed(2));
-        const avg = count > 0 ? Number((inc / count).toFixed(2)) : 0;
-        daily.push({ label, income: inc, orders: count, avgPrice: avg });
-      } catch (_) {
-        daily.push({ label, income: 0, orders: 0, avgPrice: 0 });
-      }
+      const d = new Date(now.getFullYear(), now.getMonth(), now.getDate() - i);
+      dailyLabels.push({
+        label: `${pad2(d.getMonth() + 1)}-${pad2(d.getDate())}`,
+        key: `${d.getFullYear()}-${pad2(d.getMonth() + 1)}-${pad2(d.getDate())}`,
+      });
     }
+    let dailyMap = new Map<string, any>();
+    try {
+      const [dayRows]: any = await pool.query(`
+        SELECT DATE_FORMAT(created_at, '%Y-%m-%d') as d,
+               COUNT(*) as orders,
+               COALESCE(SUM(amount), 0) as income
+        FROM orders
+        WHERE (expert_id = ? OR claimed_by = ?)
+          AND created_at >= ?
+          AND status IN ${statuses}
+        GROUP BY d
+      `, [eId, eUid, new Date(now.getFullYear(), now.getMonth(), now.getDate() - 6)]);
+      dailyMap = new Map((dayRows || []).map((r: any) => [String(r.d), r]));
+    } catch (_) {}
+    const daily = dailyLabels.map(({ label, key }) => makePoint(label, dailyMap.get(key)));
 
-    // 2. 近 4 周走势
-    const weekly: { label: string; income: number; orders: number; avgPrice: number }[] = [];
-    for (let w = 3; w >= 0; w--) {
-      const startD = new Date(now.getTime() - (w * 7 + 6) * 86400000);
-      const endD = new Date(now.getTime() - w * 7 * 86400000);
-      const label = w === 0 ? '本周' : `${w}周前`;
-      try {
-        const [wRows]: any = await pool.query(`
-          SELECT 
-            COUNT(*) as orders,
-            COALESCE(SUM(amount), 0) as income
-          FROM orders
-          WHERE (expert_id = ? OR claimed_by = ?)
-            AND created_at >= ? AND created_at <= ?
-            AND status IN ('已完成', '已到场核销', '服务中', '待确认')
-        `, [eId, eUid, startD, endD]);
-        const count = Number(wRows[0]?.orders || 0);
-        const inc = Number(Number(wRows[0]?.income || 0).toFixed(2));
-        const avg = count > 0 ? Number((inc / count).toFixed(2)) : 0;
-        weekly.push({ label, income: inc, orders: count, avgPrice: avg });
-      } catch (_) {
-        weekly.push({ label, income: 0, orders: 0, avgPrice: 0 });
-      }
-    }
+    // 2. 近 4 周走势：按 7 天分桶，一次查询
+    const weekStart = new Date(now.getFullYear(), now.getMonth(), now.getDate() - 27);
+    const weeklyLabels = [3, 2, 1, 0].map((w) => ({
+      bucket: 3 - w,
+      label: w === 0 ? '本周' : `${w}周前`,
+    }));
+    let weeklyMap = new Map<number, any>();
+    try {
+      const [wRows]: any = await pool.query(`
+        SELECT FLOOR(DATEDIFF(created_at, ?) / 7) as bucket,
+               COUNT(*) as orders,
+               COALESCE(SUM(amount), 0) as income
+        FROM orders
+        WHERE (expert_id = ? OR claimed_by = ?)
+          AND created_at >= ?
+          AND status IN ${statuses}
+        GROUP BY bucket
+      `, [weekStart, eId, eUid, weekStart]);
+      weeklyMap = new Map((wRows || []).map((r: any) => [Number(r.bucket), r]));
+    } catch (_) {}
+    const weekly = weeklyLabels.map(({ bucket, label }) => makePoint(label, weeklyMap.get(bucket)));
 
-    // 3. 近 6 个月走势
-    const monthly: { label: string; income: number; orders: number; avgPrice: number }[] = [];
+    // 3. 近 6 个月走势：一次 GROUP BY
+    const monthStart = new Date(now.getFullYear(), now.getMonth() - 5, 1);
+    const monthlyLabels: { label: string; key: string }[] = [];
     for (let m = 5; m >= 0; m--) {
       const d = new Date(now.getFullYear(), now.getMonth() - m, 1);
-      const label = `${d.getMonth() + 1}月`;
-      const yearMonth = `${d.getFullYear()}-${String(d.getMonth() + 1).padStart(2, '0')}`;
-      try {
-        const [mRows]: any = await pool.query(`
-          SELECT 
-            COUNT(*) as orders,
-            COALESCE(SUM(amount), 0) as income
-          FROM orders
-          WHERE (expert_id = ? OR claimed_by = ?)
-            AND DATE_FORMAT(created_at, '%Y-%m') = ?
-            AND status IN ('已完成', '已到场核销', '服务中', '待确认')
-        `, [eId, eUid, yearMonth]);
-        const count = Number(mRows[0]?.orders || 0);
-        const inc = Number(Number(mRows[0]?.income || 0).toFixed(2));
-        const avg = count > 0 ? Number((inc / count).toFixed(2)) : 0;
-        monthly.push({ label, income: inc, orders: count, avgPrice: avg });
-      } catch (_) {
-        monthly.push({ label, income: 0, orders: 0, avgPrice: 0 });
-      }
+      monthlyLabels.push({
+        label: `${d.getMonth() + 1}月`,
+        key: `${d.getFullYear()}-${pad2(d.getMonth() + 1)}`,
+      });
     }
+    let monthlyMap = new Map<string, any>();
+    try {
+      const [mRows]: any = await pool.query(`
+        SELECT DATE_FORMAT(created_at, '%Y-%m') as ym,
+               COUNT(*) as orders,
+               COALESCE(SUM(amount), 0) as income
+        FROM orders
+        WHERE (expert_id = ? OR claimed_by = ?)
+          AND created_at >= ?
+          AND status IN ${statuses}
+        GROUP BY ym
+      `, [eId, eUid, monthStart]);
+      monthlyMap = new Map((mRows || []).map((r: any) => [String(r.ym), r]));
+    } catch (_) {}
+    const monthly = monthlyLabels.map(({ label, key }) => makePoint(label, monthlyMap.get(key)));
 
     return { daily, weekly, monthly };
   }
diff --git a/server/src/index.ts b/server/src/index.ts
index 19b9d9b..1d57df2 100644
--- a/server/src/index.ts
+++ b/server/src/index.ts
@@ -1651,10 +1651,12 @@ app.get('/api/orders/pool', async (req: Request, res: Response) => {
     if (hasFrom) {
       const missing = pre.filter((o: any) => !o.hasGeo && o.location).slice(0, 5);
       let changed = false;
-      for (const o of missing) {
-        const geo = await geocodeAddress(o.location);
-        if (geo) {
-          await repo.updateOrderGeo(o.id, geo.lat, geo.lng);
+      // 并行地理编码，避免 5 条历史无坐标订单串行等待外部接口造成请求卡顿
+      const geoResults = await Promise.allSettled(missing.map((o: any) => geocodeAddress(o.location)));
+      for (let i = 0; i < missing.length; i++) {
+        const settled = geoResults[i];
+        if (settled.status === 'fulfilled' && settled.value) {
+          await repo.updateOrderGeo(missing[i].id, settled.value.lat, settled.value.lng);
           changed = true;
         }
       }
diff --git a/server/tests/client-features.spec.ts b/server/tests/client-features.spec.ts
index 49f079c..013ec96 100644
--- a/server/tests/client-features.spec.ts
+++ b/server/tests/client-features.spec.ts
@@ -486,11 +486,10 @@ describe('ClientFeatures (TDD 测试套件: 用户端功能闭环)', () => {
       expect(wsContent).toContain('completeOrderApi');
     });
 
-    it('3.1 活动 4 位核销码必须建立 act:verify 缓存索引、执行 CAS 原子防重核销，并在核销后触发发起人费用清算与付费活动二级分润', () => {
+    it('3.1 活动 4 位核销码必须执行 CAS 原子防重核销，并在核销后触发发起人费用清算与付费活动二级分润', () => {
       const repoPath = path.join(serverSrcDir, 'db', 'repository.ts');
       const content = fs.readFileSync(repoPath, 'utf-8');
 
-      expect(content).toContain('act:verify:');
       expect(content).toContain('WHERE id = ? AND checkin_status = 0');
       expect(content).toContain('settleActivityCheckinAndReferral');
       expect(content).toContain('活动核销费用清算');
diff --git a/server/tests/performance.spec.ts b/server/tests/performance.spec.ts
new file mode 100644
index 0000000..99d422d
--- /dev/null
+++ b/server/tests/performance.spec.ts
@@ -0,0 +1,63 @@
+// 已读取AGENTS.md
+import * as fs from 'fs';
+import * as path from 'path';
+
+/**
+ * 性能回归闸门：
+ * - 不允许无界内存缓存；
+ * - 收益走势不得按天/周/月逐条查询；
+ * - 活动列表参与者不得全表扫描；
+ * - 外部地理编码不得串行阻塞；
+ * - 索引定义必须与真实字段一致。
+ */
+describe('性能与内存回归闸门', () => {
+  const root = path.resolve(__dirname, '../../');
+  const read = (rel: string) => fs.readFileSync(path.join(root, rel), 'utf-8');
+  const repo = read('server/src/db/repository.ts');
+  const mysql = read('server/src/db/mysql.ts');
+  const indexCode = read('server/src/index.ts');
+
+  it('不得保留只写不读的无界 verifyCodeCache', () => {
+    expect(repo).not.toContain('verifyCodeCache');
+  });
+
+  it('大神收益走势必须使用 GROUP BY 聚合，而不是按天/周/月逐条查询', () => {
+    const start = repo.indexOf('async getExpertRevenueTrends(');
+    const block = repo.slice(start, start + 6000);
+    expect(block).toContain('GROUP BY d');
+    expect(block).toContain('GROUP BY bucket');
+    expect(block).toContain('GROUP BY ym');
+  });
+
+  it('活动列表参与者必须按当前页活动 id 查询', () => {
+    expect(repo).toContain('WHERE p.activity_id IN (?)');
+  });
+
+  it('派单池地理编码必须并行，避免串行等待外部接口', () => {
+    expect(indexCode).toContain('Promise.allSettled(missing.map');
+  });
+
+  it('提现索引必须使用真实存在的 apply_time，而不是不存在的 created_at', () => {
+    expect(mysql).toContain("['withdrawals', 'idx_wd_status_apply', 'status, apply_time']");
+    expect(mysql).toContain("['withdrawals', 'idx_wd_companion_apply', 'companion_id, apply_time']");
+    expect(mysql).not.toContain("['withdrawals', 'idx_wd_status_created', 'status, created_at']");
+  });
+
+  it('关键列表查询必须有组合索引', () => {
+    for (const v of [
+      "['orders', 'idx_orders_buyer_created', 'buyer_id, created_at']",
+      "['orders', 'idx_orders_claimed_created', 'claimed_by, created_at']",
+      "['activities', 'idx_act_pay_created', 'pay_type, created_at']",
+      "['participants', 'idx_activity_created', 'activity_id, created_at']",
+      "['user_notifications', 'idx_notif_user_created', 'user_id, created_at, id']",
+      "['posts', 'idx_posts_top_created', 'is_top, created_at']",
+    ]) {
+      expect(mysql).toContain(v);
+    }
+  });
+
+  it('数据库连接池必须可通过环境变量调优，并有排队上限', () => {
+    expect(mysql).toContain('MYSQL_CONNECTION_LIMIT');
+    expect(mysql).toContain('MYSQL_QUEUE_LIMIT');
+  });
+});
diff --git a/server/tests/system-alerts-audit.spec.ts b/server/tests/system-alerts-audit.spec.ts
index 532946c..7bd5f2a 100644
--- a/server/tests/system-alerts-audit.spec.ts
+++ b/server/tests/system-alerts-audit.spec.ts
@@ -20,7 +20,7 @@ describe('第一百批系统告警与后台审计', () => {
   it('告警与审计表必须落库，并补充巡检所需索引', () => {
     expect(mysql).toContain('CREATE TABLE IF NOT EXISTS system_alerts');
     expect(mysql).toContain('CREATE TABLE IF NOT EXISTS admin_audit_logs');
-    expect(mysql).toContain("['withdrawals', 'idx_wd_status_created'");
+    expect(mysql).toContain("['withdrawals', 'idx_wd_status_apply'");
     expect(mysql).toContain("['payment_intents', 'idx_pi_status_created'");
   });