diff --git a/src/functions/activities/api/UrlReward.ts b/src/functions/activities/api/UrlReward.ts
index 704fe6d..3dcfdf9 100644
--- a/src/functions/activities/api/UrlReward.ts
+++ b/src/functions/activities/api/UrlReward.ts
@@ -1,4 +1,6 @@
+import { randomUUID } from 'node:crypto'
 import { URLs } from '../../../constants/urls'
+import { BING_APP_USER_AGENT } from '../../../constants/userAgents'
 import type { BasePromotion } from '../../../interface/DashboardData'
 import { BaseActivity } from '../BaseActivity'
 
@@ -22,10 +24,12 @@ export class UrlReward extends BaseActivity {
 
         const live = await this.bot.browser.func.ensureOffer(offerId)
         if (!live) {
+            // 页面快照缺失：回退到 App dapi 官方通道上报（V4-china / geo=CN 下每日任务在页面快照中无 offerId）
+            if (await this.dapiReportActivity(promotion)) return
             this.bot.logger.warn(
                 this.bot.isMobile,
                 'URL-REWARD',
-                `跳过 ${offerId}：页面快照中不存在，即使重新获取 /earn 和 /dashboard 后也没有`
+                `跳过 ${offerId}：页面快照中不存在（dapi 上报亦未成功），即使重新获取 /earn 和 /dashboard 后也没有`
             )
             return
         }
@@ -147,4 +151,97 @@ export class UrlReward extends BaseActivity {
         await this.runUrlReward(promotion, false)
         return true
     }
+    /**
+     * App dapi 通道上报（Microsoft Rewards 每日任务官方上报接口）：
+     * POST prod.rewardsplatform.microsoft.com/dapi/me/activities
+     * 使用登录时获取的 MBI_SSL accessToken（this.bot.accessToken）。
+     * 请求格式对照 BingSapphire App：attributes.offerid + amount + type:101 + channel + id + meta + country。
+     * meta 为 App 端签名，实测服务端不校验（空串可接受）。
+     */
+    private async dapiReportActivity(promotion: BasePromotion): Promise<boolean> {
+        const offerId = promotion.offerId
+        const token = this.bot.accessToken
+        if (!token) {
+            this.bot.logger.warn(this.bot.isMobile, 'URL-REWARD', `dapi 上报跳过 ${offerId}：无 accessToken（未走移动端登录）`)
+            return false
+        }
+
+        this.bot.logger.info(
+            this.bot.isMobile,
+            'URL-REWARD',
+            `dapi 通道上报 | offerId=${offerId} | type=101 | currentBalance=${this.bot.userData.currentPoints}`
+        )
+
+        try {
+            const oldBalance = this.bot.userData.currentPoints
+            const request = {
+                url: URLs.platform.activities,
+                method: 'POST' as const,
+                headers: {
+                    'Content-Type': 'application/json',
+                    Authorization: `Bearer ${token}`,
+                    'User-Agent': BING_APP_USER_AGENT,
+                    'X-Rewards-Country': this.bot.userData.geoLocale,
+                    'X-Rewards-Language': this.bot.userData.langCode,
+                    'X-Rewards-IsMobile': 'true',
+                    Accept: '*/*'
+                },
+                data: {
+                    attributes: { offerid: offerId },
+                    amount: 1,
+                    type: 101,
+                    risk_context: {},
+                    channel: 'SAAndroid',
+                    id: randomUUID(),
+                    meta: '',
+                    country: 'cn'
+                },
+                retries: 1
+            }
+
+            const response = await this.bot.http.request<{ code?: number; response?: { balance?: number } }>(
+                request,
+                false
+            )
+            const code = response.data?.code
+            const newBalance = response.data?.response?.balance ?? (await this.bot.browser.func.getCurrentPoints())
+            const gainedPoints = newBalance - oldBalance
+
+            this.bot.logger.info(
+                this.bot.isMobile,
+                'URL-REWARD',
+                `dapi 上报响应 | offerId=${offerId} | http=${response.status} | code=${code} | pointsGained=${gainedPoints} | balance=${newBalance} | raw=${JSON.stringify(response.data ?? '').slice(0, 600)}`
+            )
+
+            if (code === 0) {
+                if (gainedPoints > 0) {
+                    this.bot.userData.currentPoints = newBalance
+                    this.bot.userData.gainedPoints = (this.bot.userData.gainedPoints ?? 0) + gainedPoints
+                }
+                this.bot.logger.info(
+                    this.bot.isMobile,
+                    'URL-REWARD',
+                    `dapi 上报完成 | offerId=${offerId} | pointsGained=${gainedPoints}`,
+                    'green'
+                )
+                return true
+            }
+
+            this.bot.logger.warn(
+                this.bot.isMobile,
+                'URL-REWARD',
+                `dapi 上报未成功 | offerId=${offerId} | http=${response.status} | code=${code} | raw=${JSON.stringify(response.data ?? '').slice(0, 600)}`
+            )
+            return false
+        } catch (error) {
+            this.bot.logger.error(
+                this.bot.isMobile,
+                'URL-REWARD',
+                `dapi 上报出错 | offerId=${offerId} | message=${error instanceof Error ? error.message : String(error)}`
+            )
+            return false
+        }
+    }
+
+
 }