diff --git a/apps/backend/src/models/notification-rule.model.ts b/apps/backend/src/models/notification-rule.model.ts
new file mode 100644
index 0000000..b53afd2
--- /dev/null
+++ b/apps/backend/src/models/notification-rule.model.ts
@@ -0,0 +1,31 @@
+import mongoose, { type InferSchemaType } from 'mongoose';
+
+const notificationRuleSchema = new mongoose.Schema(
+  {
+    name: { type: String, required: true },
+    enabled: { type: Boolean, default: true },
+    priority: { type: Number, default: 50 },
+
+    // Match scope
+    packageName: { type: String }, // optional: limit to a package/channel
+    keywords: { type: [String], default: [] }, // any keyword match in title/body
+    pattern: { type: String }, // optional regex string
+
+    // Action
+    action: { type: String, enum: ['record', 'ignore'], default: 'record' },
+    category: { type: String }, // override category when action is record
+    type: { type: String, enum: ['income', 'expense'] }, // override type
+    amountPattern: { type: String }, // custom regex for extracting amount
+
+    // Telemetry
+    matchCount: { type: Number, default: 0 },
+    lastMatchedAt: { type: Date }
+  },
+  { timestamps: true }
+);
+
+export type NotificationRuleDocument = InferSchemaType<typeof notificationRuleSchema>;
+
+export const NotificationRuleModel =
+  mongoose.models.NotificationRule ?? mongoose.model('NotificationRule', notificationRuleSchema);
+
diff --git a/apps/backend/src/modules/notifications/notification-rules.controller.ts b/apps/backend/src/modules/notifications/notification-rules.controller.ts
new file mode 100644
index 0000000..f14a9f2
--- /dev/null
+++ b/apps/backend/src/modules/notifications/notification-rules.controller.ts
@@ -0,0 +1,41 @@
+import type { Request, Response } from 'express';
+import { z } from 'zod';
+import { createRule, deleteRule, listRules, updateRule } from './notification-rules.service.js';
+
+const ruleSchema = z.object({
+  name: z.string().min(1),
+  enabled: z.boolean().optional(),
+  priority: z.number().int().min(0).max(100).optional(),
+  packageName: z.string().optional(),
+  keywords: z.array(z.string()).optional(),
+  pattern: z.string().optional(),
+  action: z.enum(['record', 'ignore']).optional(),
+  category: z.string().optional(),
+  type: z.enum(['income', 'expense']).optional(),
+  amountPattern: z.string().optional()
+});
+
+export async function listRulesHandler(_req: Request, res: Response) {
+  const data = await listRules();
+  return res.json({ data });
+}
+
+export async function createRuleHandler(req: Request, res: Response) {
+  const payload = ruleSchema.parse(req.body);
+  const data = await createRule(payload as any);
+  return res.status(201).json({ data });
+}
+
+export async function updateRuleHandler(req: Request, res: Response) {
+  const payload = ruleSchema.partial().parse(req.body);
+  const data = await updateRule(req.params.id, payload as any);
+  if (!data) return res.status(404).json({ message: 'Rule not found' });
+  return res.json({ data });
+}
+
+export async function deleteRuleHandler(req: Request, res: Response) {
+  const ok = await deleteRule(req.params.id);
+  if (!ok) return res.status(404).json({ message: 'Rule not found' });
+  return res.status(204).send();
+}
+
diff --git a/apps/backend/src/modules/notifications/notification-rules.router.ts b/apps/backend/src/modules/notifications/notification-rules.router.ts
new file mode 100644
index 0000000..c4f010a
--- /dev/null
+++ b/apps/backend/src/modules/notifications/notification-rules.router.ts
@@ -0,0 +1,27 @@
+import { Router } from 'express';
+import {
+  listRulesHandler,
+  createRuleHandler,
+  updateRuleHandler,
+  deleteRuleHandler
+} from './notification-rules.controller.js';
+import { validateRequest } from '../../middlewares/validate-request.js';
+import { z } from 'zod';
+
+const router = Router();
+
+router.get('/', listRulesHandler);
+router.post('/', createRuleHandler);
+router.patch(
+  '/:id',
+  validateRequest({ params: z.object({ id: z.string().min(1) }) }),
+  updateRuleHandler
+);
+router.delete(
+  '/:id',
+  validateRequest({ params: z.object({ id: z.string().min(1) }) }),
+  deleteRuleHandler
+);
+
+export default router;
+
diff --git a/apps/backend/src/modules/notifications/notification-rules.service.ts b/apps/backend/src/modules/notifications/notification-rules.service.ts
new file mode 100644
index 0000000..d73d269
--- /dev/null
+++ b/apps/backend/src/modules/notifications/notification-rules.service.ts
@@ -0,0 +1,148 @@
+import mongoose from 'mongoose';
+import {
+  NotificationRuleModel,
+  type NotificationRuleDocument
+} from '../../models/notification-rule.model.js';
+
+export interface NotificationRuleDto {
+  id: string;
+  name: string;
+  enabled: boolean;
+  priority: number;
+  packageName?: string;
+  keywords?: string[];
+  pattern?: string;
+  action: 'record' | 'ignore';
+  category?: string;
+  type?: 'income' | 'expense';
+  amountPattern?: string;
+  matchCount: number;
+  lastMatchedAt?: string;
+  createdAt?: string;
+  updatedAt?: string;
+}
+
+const toDto = (doc: NotificationRuleDocument & { _id: mongoose.Types.ObjectId }): NotificationRuleDto => ({
+  id: doc._id.toString(),
+  name: doc.name,
+  enabled: doc.enabled ?? true,
+  priority: doc.priority ?? 50,
+  packageName: doc.packageName ?? undefined,
+  keywords: doc.keywords ?? [],
+  pattern: doc.pattern ?? undefined,
+  action: (doc.action as 'record' | 'ignore') ?? 'record',
+  category: doc.category ?? undefined,
+  type: doc.type as any,
+  amountPattern: doc.amountPattern ?? undefined,
+  matchCount: doc.matchCount ?? 0,
+  lastMatchedAt: doc.lastMatchedAt ? new Date(doc.lastMatchedAt).toISOString() : undefined,
+  createdAt: (doc as any).createdAt ? new Date((doc as any).createdAt).toISOString() : undefined,
+  updatedAt: (doc as any).updatedAt ? new Date((doc as any).updatedAt).toISOString() : undefined
+});
+
+export async function listRules(): Promise<NotificationRuleDto[]> {
+  const docs = await NotificationRuleModel.find().sort({ priority: -1, createdAt: 1 }).lean().exec();
+  return docs.map((d) => toDto(d as NotificationRuleDocument & { _id: mongoose.Types.ObjectId }));
+}
+
+export async function createRule(payload: Omit<NotificationRuleDto, 'id' | 'matchCount' | 'lastMatchedAt' | 'createdAt' | 'updatedAt'>): Promise<NotificationRuleDto> {
+  const created = await NotificationRuleModel.create({
+    name: payload.name,
+    enabled: payload.enabled ?? true,
+    priority: payload.priority ?? 50,
+    packageName: payload.packageName ?? undefined,
+    keywords: payload.keywords ?? [],
+    pattern: payload.pattern ?? undefined,
+    action: payload.action ?? 'record',
+    category: payload.category ?? undefined,
+    type: payload.type ?? undefined,
+    amountPattern: payload.amountPattern ?? undefined
+  });
+  const doc = await NotificationRuleModel.findById(created._id).lean().exec();
+  return toDto(doc as NotificationRuleDocument & { _id: mongoose.Types.ObjectId });
+}
+
+export async function updateRule(
+  id: string,
+  payload: Partial<Omit<NotificationRuleDto, 'id' | 'matchCount' | 'lastMatchedAt' | 'createdAt' | 'updatedAt'>>
+): Promise<NotificationRuleDto | null> {
+  const updated = await NotificationRuleModel.findByIdAndUpdate(
+    id,
+    {
+      $set: {
+        ...payload
+      }
+    },
+    { new: true }
+  )
+    .lean<NotificationRuleDocument & { _id: mongoose.Types.ObjectId }>()
+    .exec();
+  return updated ? toDto(updated) : null;
+}
+
+export async function deleteRule(id: string): Promise<boolean> {
+  const res = await NotificationRuleModel.findByIdAndDelete(id).exec();
+  return res !== null;
+}
+
+export interface RuleMatchResult {
+  ignore: boolean;
+  overrides: {
+    category?: string;
+    type?: 'income' | 'expense';
+    amountPattern?: string;
+  };
+  matchedRule?: NotificationRuleDto;
+}
+
+function safeRegex(pattern?: string): RegExp | null {
+  if (!pattern) return null;
+  try {
+    return new RegExp(pattern, 'i');
+  } catch {
+    return null;
+  }
+}
+
+export async function applyNotificationRules(input: {
+  packageName: string;
+  title: string;
+  body: string;
+}): Promise<RuleMatchResult> {
+  const text = `${input.title ?? ''} ${input.body ?? ''}`;
+  const rules = await NotificationRuleModel.find({ enabled: true }).sort({ priority: -1, createdAt: 1 }).lean().exec();
+
+  for (const r of rules as Array<NotificationRuleDocument & { _id: mongoose.Types.ObjectId }>) {
+    if (r.packageName && r.packageName !== input.packageName) continue;
+
+    let matched = false;
+    if (r.keywords && r.keywords.length > 0) {
+      matched = r.keywords.some((kw) => kw && (text.includes(kw) || input.title?.includes(kw)));
+    }
+    if (!matched && r.pattern) {
+      const regex = safeRegex(r.pattern);
+      if (regex && regex.test(text)) matched = true;
+    }
+
+    if (matched) {
+      // update telemetry
+      void NotificationRuleModel.updateOne(
+        { _id: r._id },
+        { $inc: { matchCount: 1 }, $set: { lastMatchedAt: new Date() } }
+      ).exec();
+
+      return {
+        ignore: r.action === 'ignore',
+        overrides: {
+          category: r.category ?? undefined,
+          type: (r.type as any) ?? undefined,
+          amountPattern: r.amountPattern ?? undefined
+        },
+        matchedRule: toDto(r)
+      };
+    }
+  }
+
+  return { ignore: false, overrides: {} };
+}
+
diff --git a/apps/backend/src/modules/transactions/transactions.controller.ts b/apps/backend/src/modules/transactions/transactions.controller.ts
index 63d6a16..a1d4f5a 100644
--- a/apps/backend/src/modules/transactions/transactions.controller.ts
+++ b/apps/backend/src/modules/transactions/transactions.controller.ts
@@ -95,6 +95,10 @@ export const createTransactionFromNotificationHandler = async (req: Request, res
     receivedAt: new Date(receivedAt)
   });
 
+  if (!transaction) {
+    return res.status(204).send();
+  }
+
   return res.status(202).json({
     message: 'Notification ingested and awaiting confirmation',
     data: transaction
diff --git a/apps/backend/src/modules/transactions/transactions.service.ts b/apps/backend/src/modules/transactions/transactions.service.ts
index 37f0314..76ec0ae 100644
--- a/apps/backend/src/modules/transactions/transactions.service.ts
+++ b/apps/backend/src/modules/transactions/transactions.service.ts
@@ -7,6 +7,7 @@ import { getChannelByPackage } from '../notifications/notification-channels.serv
 import { getDefaultUserId } from '../../services/user-context.js';
 import type { CreateTransactionInput, UpdateTransactionInput } from './transactions.schema.js';
 import { parseNotificationPayload } from './notification.parser.js';
+import { applyNotificationRules } from '../notifications/notification-rules.service.js';
 
 export interface TransactionDto {
   id: string;
@@ -156,19 +157,35 @@ interface NotificationPayload {
   receivedAt: Date;
 }
 
-export async function ingestNotification(payload: NotificationPayload): Promise<TransactionDto> {
+export async function ingestNotification(payload: NotificationPayload): Promise<TransactionDto | null> {
   const now = payload.receivedAt;
   const channel = await getChannelByPackage(payload.packageName);
   if (!channel || !channel.enabled) {
     throw Object.assign(new Error('Notification channel disabled'), { statusCode: 403 });
   }
 
+  // Apply DB-based rules first (blacklist/overrides)
+  const ruleResult = await applyNotificationRules({
+    packageName: payload.packageName,
+    title: payload.title ?? '',
+    body: payload.body ?? ''
+  });
+
+  if (ruleResult.ignore) {
+    return null; // blacklisted by rule
+  }
+
   const template =
     channel.templates?.find((tpl: { keywords?: string[] }) =>
       tpl.keywords?.some((keyword: string) => keyword && (payload.title?.includes(keyword) || payload.body?.includes(keyword)))
     ) ?? null;
 
-  const parsed = parseNotificationPayload(payload.title ?? '', payload.body ?? '', template);
+  const mergedTemplate = {
+    ...(template ?? {}),
+    ...(ruleResult.overrides ?? {})
+  } as Parameters<typeof parseNotificationPayload>[2];
+
+  const parsed = parseNotificationPayload(payload.title ?? '', payload.body ?? '', mergedTemplate);
 
   const hashSource = `${payload.packageName}|${payload.title}|${payload.body}|${now.getTime()}`;
   const notificationHash = createHash('sha256').update(hashSource).digest('hex');
diff --git a/apps/backend/src/routes/index.ts b/apps/backend/src/routes/index.ts
index c971d8b..c539488 100644
--- a/apps/backend/src/routes/index.ts
+++ b/apps/backend/src/routes/index.ts
@@ -4,6 +4,7 @@ import transactionsRouter from '../modules/transactions/transactions.router.js';
 import analysisRouter from '../modules/analysis/analysis.router.js';
 import budgetsRouter from '../modules/budgets/budgets.router.js';
 import notificationsRouter from '../modules/notifications/notifications.router.js';
+import notificationRulesRouter from '../modules/notifications/notification-rules.router.js';
 
 const router = Router();
 
@@ -16,5 +17,6 @@ router.use('/transactions', transactionsRouter);
 router.use('/analysis', analysisRouter);
 router.use('/budgets', budgetsRouter);
 router.use('/notifications', notificationsRouter);
+router.use('/notification-rules', notificationRulesRouter);
 
 export { router };
diff --git a/apps/frontend/src/features/dashboard/pages/DashboardPage.vue b/apps/frontend/src/features/dashboard/pages/DashboardPage.vue
index b11767d..70fe64e 100644
--- a/apps/frontend/src/features/dashboard/pages/DashboardPage.vue
+++ b/apps/frontend/src/features/dashboard/pages/DashboardPage.vue
@@ -1,5 +1,5 @@
 <script setup lang="ts">
-import { computed } from 'vue';
+import { computed, onMounted, onBeforeUnmount } from 'vue';
 import OverviewCard from '../../../components/cards/OverviewCard.vue';
 import QuickActionButton from '../../../components/actions/QuickActionButton.vue';
 import TransactionItem from '../../../components/transactions/TransactionItem.vue';
@@ -8,6 +8,8 @@ import { useAuthStore } from '../../../stores/auth';
 import { useTransactionsQuery } from '../../../composables/useTransactions';
 import { useBudgetsQuery } from '../../../composables/useBudgets';
 import { useRouter } from 'vue-router';
+import { App, type AppState } from '@capacitor/app';
+import type { PluginListenerHandle } from '@capacitor/core';
 
 const authStore = useAuthStore();
 const router = useRouter();
@@ -67,6 +69,25 @@ const budgetAlerts = computed(() =>
     (budget) => budget.amount > 0 && (budget.usage / budget.amount >= budget.threshold || budget.usage >= budget.amount)
   )
 );
+
+let appStateListener: PluginListenerHandle | null = null;
+
+onMounted(async () => {
+  // Ensure we fetch latest on mount/foreground
+  await Promise.all([transactionsQuery.refetch(), budgetsQuery.refetch()]);
+  appStateListener = await App.addListener('appStateChange', async ({ isActive }: AppState) => {
+    if (isActive) {
+      await Promise.all([transactionsQuery.refetch(), budgetsQuery.refetch()]);
+    }
+  });
+});
+
+onBeforeUnmount(() => {
+  if (appStateListener) {
+    void appStateListener.remove();
+    appStateListener = null;
+  }
+});
 </script>
 
 <template>
@@ -136,7 +157,7 @@ const budgetAlerts = computed(() =>
           <h2 class="text-xl font-semibold text-gray-900">近期交易</h2>
           <RouterLink to="/transactions" class="text-sm text-indigo-500">查看全部</RouterLink>
         </div>
-        <div class="space-y-4 mt-4 pb-10">
+        <div class="space-y-6 mt-4 pb-10">
           <div v-if="isInitialLoading" class="text-sm text-gray-400 text-center py-10">
             数据加载中...
           </div>
diff --git a/apps/frontend/src/features/transactions/pages/TransactionsPage.vue b/apps/frontend/src/features/transactions/pages/TransactionsPage.vue
index adf1b72..dc3b014 100644
--- a/apps/frontend/src/features/transactions/pages/TransactionsPage.vue
+++ b/apps/frontend/src/features/transactions/pages/TransactionsPage.vue
@@ -101,6 +101,9 @@ const submit = async () => {
 };
 
 const removeTransaction = async (id: string) => {
+  // 防误触：增加确认
+  const ok = window.confirm('确认删除该交易吗？');
+  if (!ok) return;
   try {
     await deleteTransaction.mutateAsync(id);
     showFeedback('交易已删除');
@@ -178,24 +181,26 @@ const refreshTransactions = async () => {
         暂无交易记录，点击「新增」开始记账。
       </div>
       <div v-else>
-        <div
-          v-for="transaction in filteredTransactions"
-          :key="transaction.id"
-          class="relative group"
-        >
-          <RouterLink
-            class="block"
-            :to="{ name: 'transaction-detail', params: { id: transaction.id } }"
+        <div class="space-y-4">
+          <div
+            v-for="transaction in filteredTransactions"
+            :key="transaction.id"
+            class="relative group"
           >
-            <TransactionItem :transaction="transaction" />
-          </RouterLink>
-          <button
-            class="absolute top-4 right-4 opacity-0 group-hover:opacity-100 transition-opacity text-gray-400 hover:text-red-500 z-10"
-            @click.stop="removeTransaction(transaction.id)"
-            aria-label="删除"
-          >
-            <LucideIcon name="trash-2" :size="18" />
-          </button>
+            <RouterLink
+              class="block"
+              :to="{ name: 'transaction-detail', params: { id: transaction.id } }"
+            >
+              <TransactionItem :transaction="transaction" />
+            </RouterLink>
+            <button
+              class="absolute top-4 right-4 opacity-0 group-hover:opacity-100 transition-opacity text-gray-400 hover:text-red-500 z-10"
+              @click.stop="removeTransaction(transaction.id)"
+              aria-label="删除"
+            >
+              <LucideIcon name="trash-2" :size="18" />
+            </button>
+          </div>
         </div>
       </div>
     </div>