diff --git a/README.md b/README.md
index 38d52cf7..46e02979 100644
--- a/README.md
+++ b/README.md
@@ -50,7 +50,7 @@ docker compose up -d
 - Debian `apt` 使用腾讯云镜像
 - `npm` 使用 `npmmirror`
 - `uv` 通过 `pip` 安装，`uv` / `pip` 使用腾讯云 PyPI 镜像
-- Playwright 浏览器固定使用官方源
+- 后端 Playwright 固定为 `1.42.1`，浏览器下载使用 `npmmirror`
 
 如果你的服务器网络环境不同，也可以在构建时覆盖：
 
diff --git a/apps/backend/package-lock.json b/apps/backend/package-lock.json
index 0bc992a6..c48a2d6c 100644
--- a/apps/backend/package-lock.json
+++ b/apps/backend/package-lock.json
@@ -9,7 +9,7 @@
       "version": "0.1.0",
       "dependencies": {
         "express": "^5.1.0",
-        "playwright": "^1.59.1"
+        "playwright": "1.42.1"
       }
     },
     "node_modules/accepts": {
@@ -585,33 +585,33 @@
       }
     },
     "node_modules/playwright": {
-      "version": "1.59.1",
-      "resolved": "https://registry.npmjs.org/playwright/-/playwright-1.59.1.tgz",
-      "integrity": "sha512-C8oWjPR3F81yljW9o5OxcWzfh6avkVwDD2VYdwIGqTkl+OGFISgypqzfu7dOe4QNLL2aqcWBmI3PMtLIK233lw==",
+      "version": "1.42.1",
+      "resolved": "https://registry.npmjs.org/playwright/-/playwright-1.42.1.tgz",
+      "integrity": "sha512-PgwB03s2DZBcNRoW+1w9E+VkLBxweib6KTXM0M3tkiT4jVxKSi6PmVJ591J+0u10LUrgxB7dLRbiJqO5s2QPMg==",
       "license": "Apache-2.0",
       "dependencies": {
-        "playwright-core": "1.59.1"
+        "playwright-core": "1.42.1"
       },
       "bin": {
         "playwright": "cli.js"
       },
       "engines": {
-        "node": ">=18"
+        "node": ">=16"
       },
       "optionalDependencies": {
         "fsevents": "2.3.2"
       }
     },
     "node_modules/playwright-core": {
-      "version": "1.59.1",
-      "resolved": "https://registry.npmjs.org/playwright-core/-/playwright-core-1.59.1.tgz",
-      "integrity": "sha512-HBV/RJg81z5BiiZ9yPzIiClYV/QMsDCKUyogwH9p3MCP6IYjUFu/MActgYAvK0oWyV9NlwM3GLBjADyWgydVyg==",
+      "version": "1.42.1",
+      "resolved": "https://registry.npmjs.org/playwright-core/-/playwright-core-1.42.1.tgz",
+      "integrity": "sha512-mxz6zclokgrke9p1vtdy/COWBH+eOZgYUVVU34C73M+4j4HLlQJHtfcqiqqxpP0o8HhMkflvfbquLX5dg6wlfA==",
       "license": "Apache-2.0",
       "bin": {
         "playwright-core": "cli.js"
       },
       "engines": {
-        "node": ">=18"
+        "node": ">=16"
       }
     },
     "node_modules/proxy-addr": {
diff --git a/apps/backend/package.json b/apps/backend/package.json
index 2d6dc2d1..f8d6b72d 100644
--- a/apps/backend/package.json
+++ b/apps/backend/package.json
@@ -12,6 +12,6 @@
   },
   "dependencies": {
     "express": "^5.1.0",
-    "playwright": "^1.59.1"
+    "playwright": "1.42.1"
   }
 }
diff --git a/deploy/docker/backend.Dockerfile b/deploy/docker/backend.Dockerfile
index 8677c069..57146693 100644
--- a/deploy/docker/backend.Dockerfile
+++ b/deploy/docker/backend.Dockerfile
@@ -26,7 +26,7 @@ RUN python3 -m pip install --no-cache-dir --break-system-packages uv \
 COPY apps/backend/package.json apps/backend/package-lock.json ./
 RUN npm ci
 
-RUN PLAYWRIGHT_DOWNLOAD_HOST= npx playwright install --with-deps chromium
+RUN PLAYWRIGHT_DOWNLOAD_HOST=https://npmmirror.com/mirrors/playwright/ npx playwright install --with-deps chromium
 
 COPY apps/backend/ ./
 
diff --git a/docs/服务器部署教程.md b/docs/服务器部署教程.md
index ec606889..45e0a695 100644
--- a/docs/服务器部署教程.md
+++ b/docs/服务器部署教程.md
@@ -79,7 +79,7 @@ docker compose up -d
 - Debian `apt`：腾讯云镜像
 - `npm`：`npmmirror`
 - `uv` 通过 `pip` 安装，`uv` / `pip` 使用腾讯云 PyPI 镜像
-- Playwright：固定使用官方源
+- 后端 Playwright 固定为 `1.42.1`，浏览器下载使用 `npmmirror`
 
 如果你要切换成别的源，可以手动执行：