diff --git a/backend/Dockerfile.production b/backend/Dockerfile.production
index dfa160a..b587bb1 100644
--- a/backend/Dockerfile.production
+++ b/backend/Dockerfile.production
@@ -3,12 +3,17 @@ FROM node:22-bookworm-slim
 ENV NODE_ENV=production
 WORKDIR /app
 
+# 每日进销存定时截图需要 Chromium 与中文字体：
+#   · fonts-noto-cjk —— 否则截图里所有中文都会变成方块
+#   · playwright install --with-deps chromium —— 默认镜像不带浏览器
 RUN apt-get update \
-    && apt-get install -y --no-install-recommends ca-certificates \
+    && apt-get install -y --no-install-recommends ca-certificates fonts-noto-cjk \
     && rm -rf /var/lib/apt/lists/*
 
 COPY package.json package-lock.json ./
-RUN npm ci --omit=dev --no-audit --no-fund
+RUN npm ci --omit=dev --no-audit --no-fund \
+    && npx playwright install --with-deps chromium \
+    && rm -rf /var/lib/apt/lists/* /root/.npm/_cacache
 
 COPY . .
 
diff --git a/backend/src/jobs/dailyInventoryNotificationJob.js b/backend/src/jobs/dailyInventoryNotificationJob.js
index f397eca..22eac9a 100644
--- a/backend/src/jobs/dailyInventoryNotificationJob.js
+++ b/backend/src/jobs/dailyInventoryNotificationJob.js
@@ -129,6 +129,7 @@ function buildNotificationContent({ bizDate, takenAt, imageUrl, pageUrl }) {
     `**数据日期：** ${bizDate}`,
     `**截图生成时间：** ${takenAt}（${TIMEZONE}）`,
     `**图片地址：** ${imageUrl}`,
+    `**页面地址：** ${pageUrl}`,
     '',
     `点击右下角「${ACTION_TITLE}」可直达每日进销存页面。`,
   ].join('\n');
diff --git a/backend/src/services/dailyInventoryScreenshot.js b/backend/src/services/dailyInventoryScreenshot.js
index e82bdd3..594ade8 100644
--- a/backend/src/services/dailyInventoryScreenshot.js
+++ b/backend/src/services/dailyInventoryScreenshot.js
@@ -18,7 +18,8 @@ const { uploadFileToDefaultS3 } = require('./objectStorage');
 
 const TIMEZONE = 'Asia/Shanghai';
 const PAGE_PATH = '/planning/operation/daily-inventory';
-const DEFAULT_BASE_URL = 'https://pddg.jiansuntuzhi.cn';
+// 生产主站（见《服务器部署规范》）：可用 DAILY_INVENTORY_SCREENSHOT_BASE_URL / PUBLIC_SITE_URL 覆盖
+const DEFAULT_BASE_URL = 'https://ck.yydd.ai';
 // 页面首次加载要扫订单明细，约 15~20 秒，等待上限给到 3 分钟
 const PAGE_READY_TIMEOUT_MS = 3 * 60 * 1000;
 const SCREENSHOT_SERVICE_USER = Object.freeze({
diff --git a/backend/test/dailyInventoryNotification.test.js b/backend/test/dailyInventoryNotification.test.js
index 8225110..941c05c 100644
--- a/backend/test/dailyInventoryNotification.test.js
+++ b/backend/test/dailyInventoryNotification.test.js
@@ -99,11 +99,12 @@ test('buildNotificationContent 包含数据日期、生成时间、图片地址
     bizDate: '2026-09-25',
     takenAt: '2026/09/25 01:00:00',
     imageUrl: 'https://cdn.example.com/daily-inventory/2026-09-25/daily-inventory-20260925-010000.png',
-    pageUrl: 'https://pddg.jiansuntuzhi.cn/planning/operation/daily-inventory',
+    pageUrl: 'https://ck.yydd.ai/planning/operation/daily-inventory',
   });
   assert.match(content, /2026-09-25/);
   assert.match(content, /2026\/09\/25 01:00:00/);
   assert.match(content, /https:\/\/cdn\.example\.com\//);
+  assert.match(content, /https:\/\/ck\.yydd\.ai\/planning\/operation\/daily-inventory/);
   assert.match(content, new RegExp(ACTION_TITLE));
   assert.equal(NOTIFICATION_TITLE, '每日进销存数据');
 });