replace screenshot pipeline and update admin

Dockerfile

@@ -1,14 +1,18 @@
 # 使用国内镜像源加速
-FROM mcr.microsoft.com/playwright/python:v1.40.0-jammy
+FROM python:3.10-slim-bullseye
 
 # 设置工作目录
 WORKDIR /app
 
 # 设置环境变量
 ENV PYTHONUNBUFFERED=1
-ENV PLAYWRIGHT_BROWSERS_PATH=/ms-playwright
 ENV TZ=Asia/Shanghai
 
+# 安装 wkhtmltopdf（包含 wkhtmltoimage）与中文字体
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends wkhtmltopdf fonts-noto-cjk && \
+    rm -rf /var/lib/apt/lists/*
+
 # 配置 pip 使用国内镜像源
 RUN pip config set global.index-url https://mirrors.aliyun.com/pypi/simple/ &&     pip config set install.trusted-host mirrors.aliyun.com
 
@@ -22,10 +26,8 @@ RUN pip install --no-cache-dir -r requirements.txt
 COPY app.py .
 COPY database.py .
 COPY db_pool.py .
-COPY playwright_automation.py .
 COPY api_browser.py .
 COPY browser_pool_worker.py .
-COPY browser_installer.py .
 COPY password_utils.py .
 COPY crypto_utils.py .
 COPY task_checkpoint.py .

README.md

@@ -6,10 +6,10 @@
 
 ## 项目简介
 
-本项目是一个 **Docker 容器化应用**，使用 Flask + Playwright + SQLite 构建，提供：
+本项目是一个 **Docker 容器化应用**，使用 Flask + Requests + wkhtmltopdf + SQLite 构建，提供：
 
 - 多用户注册登录系统
-- 浏览器自动化任务
+- 自动化任务（HTTP 模拟）
 - 定时任务调度
 - 截图管理
 - VIP用户管理
@@ -22,7 +22,8 @@
 
 - **后端**: Python 3.8+, Flask
 - **数据库**: SQLite
-- **自动化**: Playwright (Chromium)
+- **自动化**: Requests + BeautifulSoup
+- **截图**: wkhtmltopdf / wkhtmltoimage
 - **容器化**: Docker + Docker Compose
 - **前端**: HTML + JavaScript + Socket.IO
 
@@ -39,10 +40,8 @@ zsglpt/
 ├── database.py                     # 数据库稳定门面（对外 API）
 ├── db/                             # DB 分域实现 + schema/migrations
 ├── db_pool.py                      # 数据库连接池
-├── playwright_automation.py        # Playwright 自动化
 ├── api_browser.py                  # Requests 自动化（主浏览流程）
-├── browser_pool_worker.py          # 截图 WorkerPool（浏览器复用）
-├── browser_installer.py            # 浏览器安装检查
+├── browser_pool_worker.py          # 截图 WorkerPool
 ├── app_config.py                   # 配置管理
 ├── app_logger.py                   # 日志系统
 ├── app_security.py                 # 安全模块
@@ -122,8 +121,8 @@ cd /www/wwwroot/zsgpt2
 ### 步骤4: 创建必要的目录
 
 ```bash
-mkdir -p data logs 截图 playwright
-chmod 777 data logs 截图 playwright
+mkdir -p data logs 截图
+chmod 777 data logs 截图
 ```
 
 ### 步骤5: 构建并启动Docker容器
@@ -447,19 +446,19 @@ docker-compose down
 docker-compose up -d
 ```
 
-### 5. 浏览器下载失败
+### 5. 截图工具未安装
 
-**问题**: Playwright浏览器下载失败
+**问题**: wkhtmltoimage 命令不存在
 
 **解决方案**:
 ```bash
 # 进入容器手动安装
 docker exec -it knowledge-automation-multiuser bash
-playwright install chromium
+apt-get update
+apt-get install -y wkhtmltopdf
 
-# 或使用国内镜像
-export PLAYWRIGHT_DOWNLOAD_HOST=https://npmmirror.com/mirrors/playwright/
-playwright install chromium
+# 验证安装
+wkhtmltoimage --version
 ```
 
 ---
@@ -631,7 +630,12 @@ docker logs knowledge-automation-multiuser | grep "数据库"
 |--------|------|--------|
 | TZ | 时区 | Asia/Shanghai |
 | PYTHONUNBUFFERED | Python输出缓冲 | 1 |
-| PLAYWRIGHT_BROWSERS_PATH | 浏览器路径 | /ms-playwright |
+| WKHTMLTOIMAGE_PATH | wkhtmltoimage 可执行文件路径 | 自动探测 |
+| WKHTMLTOIMAGE_JS_DELAY_MS | JS 等待时间（毫秒） | 3000 |
+| WKHTMLTOIMAGE_WIDTH | 截图宽度 | 1920 |
+| WKHTMLTOIMAGE_QUALITY | JPG截图质量 | 95 |
+| WKHTMLTOIMAGE_TIMEOUT_SECONDS | 截图超时时间（秒） | 60 |
+| WKHTMLTOIMAGE_USER_AGENT | 截图使用的 UA | Chrome 120 |
 
 ---
 
@@ -641,13 +645,13 @@ docker logs knowledge-automation-multiuser | grep "数据库"
 
 - **项目名称**: 知识管理平台自动化工具
 - **版本**: Docker 多用户版
-- **技术栈**: Python + Flask + Playwright + SQLite + Docker
+- **技术栈**: Python + Flask + Requests + wkhtmltopdf + SQLite + Docker
 
 ### 常用文档链接
 
 - [Docker 官方文档](https://docs.docker.com/)
 - [Flask 官方文档](https://flask.palletsprojects.com/)
-- [Playwright 官方文档](https://playwright.dev/python/)
+- [wkhtmltopdf 官方文档](https://wkhtmltopdf.org/)
 
 ### 故障排查
 
@@ -683,8 +687,8 @@ ssh root@your-ip
 
 # 3. 进入目录并创建必要目录
 cd /www/wwwroot/zsgpt2
-mkdir -p data logs 截图 playwright
-chmod 777 data logs 截图 playwright
+mkdir -p data logs 截图
+chmod 777 data logs 截图
 
 # 4. 启动容器
 docker-compose up -d

admin-frontend/src/api/security.js

@@ -46,6 +46,11 @@ export async function getIpRisk(ip) {
   return data
 }
 
+export async function clearIpRisk(ip) {
+  const { data } = await api.post('/admin/security/ip-risk/clear', { ip })
+  return data
+}
+
 export async function getUserRisk(userId) {
   const safeUserId = encodeURIComponent(String(userId || '').trim())
   const { data } = await api.get(`/admin/security/user-risk/${safeUserId}`)
@@ -56,4 +61,3 @@ export async function cleanup() {
   const { data } = await api.post('/admin/security/cleanup', {})
   return data
 }
-

admin-frontend/src/pages/ReportPage.vue

@@ -25,6 +25,7 @@ const refreshStats = inject('refreshStats', null)
 const adminStats = inject('adminStats', null)
 
 const loading = ref(false)
+const refreshing = ref(false)
 const lastUpdatedAt = ref('')
 
 const taskStats = ref(null)
@@ -181,9 +182,13 @@ const runningCountsLabel = computed(() => {
   return `运行中 ${runningCount} / 排队 ${queuingCount} / 并发上限 ${maxGlobal || maxConcurrentGlobal.value || '-'}`
 })
 
-async function refreshAll() {
-  if (loading.value) return
-  loading.value = true
+async function refreshAll(options = {}) {
+  const showLoading = options.showLoading ?? true
+  if (refreshing.value) return
+  refreshing.value = true
+  if (showLoading) {
+    loading.value = true
+  }
   try {
     const [
       taskResult,
@@ -217,15 +222,22 @@ async function refreshAll() {
     await refreshStats?.()
     recordUpdatedAt()
   } finally {
-    loading.value = false
+    refreshing.value = false
+    if (showLoading) {
+      loading.value = false
+    }
   }
 }
 
 let refreshTimer = null
 
+function manualRefresh() {
+  return refreshAll({ showLoading: true })
+}
+
 onMounted(() => {
-  refreshAll()
-  refreshTimer = setInterval(refreshAll, 1000)
+  refreshAll({ showLoading: false })
+  refreshTimer = setInterval(() => refreshAll({ showLoading: false }), 1000)
 })
 
 onUnmounted(() => {
@@ -252,7 +264,7 @@ onUnmounted(() => {
         </div>
 
         <div class="hero-actions">
-          <el-button type="primary" plain :loading="loading" @click="refreshAll">刷新</el-button>
+          <el-button type="primary" plain :loading="loading" @click="manualRefresh">刷新</el-button>
         </div>
       </div>
 
@@ -593,9 +605,9 @@ onUnmounted(() => {
           <div class="panel-head">
             <div class="head-left">
               <div class="head-text">
-                <div class="panel-title">浏览器池</div>
+                <div class="panel-title">截图线程池</div>
                 <div class="panel-sub app-muted">
-                  活跃（有浏览器）{{ browserPoolActiveWorkers }} · 忙碌 {{ browserPoolBusyWorkers }} · 队列 {{ browserPoolQueueSize }}
+                  活跃（有执行环境）{{ browserPoolActiveWorkers }} · 忙碌 {{ browserPoolBusyWorkers }} · 队列 {{ browserPoolQueueSize }}
                 </div>
               </div>
             </div>
@@ -609,7 +621,7 @@ onUnmounted(() => {
             </div>
             <div class="tile">
               <div class="tile-v ok">{{ browserPoolActiveWorkers }}</div>
-              <div class="tile-k app-muted">活跃（有浏览器）</div>
+              <div class="tile-k app-muted">活跃（有执行环境）</div>
             </div>
             <div class="tile">
               <div class="tile-v">{{ browserPoolIdleWorkers }}</div>
@@ -645,7 +657,7 @@ onUnmounted(() => {
               </el-table-column>
               <el-table-column prop="browser_use_count" label="复用" width="90" />
               <el-table-column prop="last_active_at" label="最近活跃" min-width="160" />
-              <el-table-column prop="browser_created_at" label="浏览器创建" min-width="160" />
+              <el-table-column prop="browser_created_at" label="环境创建" min-width="160" />
             </el-table>
           </div>
         </el-card>

admin-frontend/src/pages/SecurityPage.vue

@@ -6,6 +6,7 @@ import {
   banIp,
   banUser,
   cleanup,
+  clearIpRisk,
   getBannedIps,
   getBannedUsers,
   getDashboard,
@@ -381,6 +382,35 @@ async function unbanFromRisk() {
   }
 }
 
+async function clearIpRiskScore() {
+  if (riskResultKind.value !== 'ip') return
+  const ipText = String(riskResult.value?.ip || '').trim()
+  if (!ipText) return
+
+  try {
+    await ElMessageBox.confirm(
+      `确定清除 IP ${ipText} 的风险分吗？\n\n清除风险分不会删除威胁历史，也不会解除封禁。`,
+      '清除风险分',
+      { confirmButtonText: '清除', cancelButtonText: '取消', type: 'warning' },
+    )
+  } catch {
+    return
+  }
+
+  if (riskLoading.value) return
+  riskLoading.value = true
+  try {
+    await clearIpRisk(ipText)
+    ElMessage.success('IP风险分已清零')
+  } catch {
+    // handled by interceptor
+  } finally {
+    riskLoading.value = false
+  }
+
+  await queryIpRisk()
+}
+
 const cleanupLoading = ref(false)
 
 async function onCleanup() {
@@ -613,6 +643,15 @@ onMounted(async () => {
               <div class="toolbar">
                 <el-button v-if="!riskResult.is_banned" type="primary" plain @click="openBanFromRisk">封禁</el-button>
                 <el-button v-else type="danger" plain @click="unbanFromRisk">解除封禁</el-button>
+                <el-button
+                  v-if="riskResultKind === 'ip'"
+                  type="warning"
+                  plain
+                  :loading="riskLoading"
+                  @click="clearIpRiskScore"
+                >
+                  清除风险分
+                </el-button>
               </div>
             </div>
 

admin-frontend/src/pages/SystemPage.vue

@@ -261,7 +261,7 @@ onMounted(loadAll)
 
         <el-form-item label="截图最大并发数">
           <el-input-number v-model="maxScreenshotConcurrent" :min="1" :max="50" />
-          <div class="help">同时进行截图的最大数量（每个浏览器约占用 200MB 内存）。</div>
+          <div class="help">同时进行截图的最大数量（wkhtmltoimage 资源占用较低，可按需提高）。</div>
         </el-form-item>
       </el-form>
 

api_browser.py

@@ -2,7 +2,7 @@
 # -*- coding: utf-8 -*-
 """
 API 浏览器 - 用纯 HTTP 请求实现浏览功能
-比 Playwright 快 30-60 倍
+比传统浏览器自动化快 30-60 倍
 """
 
 import requests
@@ -44,6 +44,27 @@ except Exception:
 _API_DIAGNOSTIC_SLOW_MS = max(0, _API_DIAGNOSTIC_SLOW_MS)
 
 _cookie_domain_fallback = urlsplit(BASE_URL).hostname or "postoa.aidunsoft.com"
+_COOKIE_JAR_MAX_AGE_SECONDS = 24 * 60 * 60
+
+
+def get_cookie_jar_path(username: str) -> str:
+    """获取截图用的 cookies 文件路径（Netscape Cookie 格式）"""
+    import hashlib
+
+    os.makedirs(COOKIES_DIR, exist_ok=True)
+    filename = hashlib.sha256(username.encode()).hexdigest()[:32] + ".cookies.txt"
+    return os.path.join(COOKIES_DIR, filename)
+
+
+def is_cookie_jar_fresh(cookie_path: str, max_age_seconds: int = _COOKIE_JAR_MAX_AGE_SECONDS) -> bool:
+    """判断 cookies 文件是否存在且未过期"""
+    if not cookie_path or not os.path.exists(cookie_path):
+        return False
+    try:
+        file_age = time.time() - os.path.getmtime(cookie_path)
+        return file_age <= max(0, int(max_age_seconds or 0))
+    except Exception:
+        return False
 
 _api_browser_instances: "weakref.WeakSet[APIBrowser]" = weakref.WeakSet()
 
@@ -102,37 +123,36 @@ class APIBrowser:
         """记录日志"""
         if self.log_callback:
             self.log_callback(message)
-    def save_cookies_for_playwright(self, username: str):
-        """保存cookies供Playwright使用"""
-        import os
-        import json
-        import hashlib
-
-        os.makedirs(COOKIES_DIR, exist_ok=True)
-
-        # 安全修复：使用SHA256代替MD5作为文件名哈希
-        filename = hashlib.sha256(username.encode()).hexdigest()[:32] + '.json'
-        cookies_path = os.path.join(COOKIES_DIR, filename)
-        
+    def save_cookies_for_screenshot(self, username: str):
+        """保存 cookies 供 wkhtmltoimage 使用（Netscape Cookie 格式）"""
+        cookies_path = get_cookie_jar_path(username)
         try:
-            # 获取requests session的cookies
-            cookies_list = []
+            lines = [
+                "# Netscape HTTP Cookie File",
+                "# This file was generated by zsglpt",
+            ]
             for cookie in self.session.cookies:
-                cookies_list.append({
-                    'name': cookie.name,
-                    'value': cookie.value,
-                    'domain': cookie.domain or _cookie_domain_fallback,
-                    'path': cookie.path or '/',
-                })
+                domain = cookie.domain or _cookie_domain_fallback
+                include_subdomains = "TRUE" if domain.startswith(".") else "FALSE"
+                path = cookie.path or "/"
+                secure = "TRUE" if getattr(cookie, "secure", False) else "FALSE"
+                expires = int(getattr(cookie, "expires", 0) or 0)
+                lines.append(
+                    "\t".join(
+                        [
+                            domain,
+                            include_subdomains,
+                            path,
+                            secure,
+                            str(expires),
+                            cookie.name,
+                            cookie.value,
+                        ]
+                    )
+                )
 
-            # Playwright storage_state 格式
-            storage_state = {
-                'cookies': cookies_list,
-                'origins': []
-            }
-            
-            with open(cookies_path, 'w', encoding='utf-8') as f:
-                json.dump(storage_state, f)
+            with open(cookies_path, "w", encoding="utf-8") as f:
+                f.write("\n".join(lines) + "\n")
 
             self.log(f"[API] Cookies已保存供截图使用")
             return True

app.py

@@ -33,7 +33,6 @@ from realtime.socketio_handlers import register_socketio_handlers
 from realtime.status_push import status_push_worker
 from routes import register_blueprints
 from security import init_security_middleware
-from services.browser_manager import init_browser_manager
 from services.checkpoints import init_checkpoint_manager
 from services.maintenance import start_cleanup_scheduler
 from services.models import User
@@ -199,7 +198,7 @@ def cleanup_on_exit():
     except Exception:
         pass
 
-    logger.info("- 关闭浏览器线程池...")
+    logger.info("- 关闭截图线程池...")
     try:
         shutdown_browser_worker_pool()
     except Exception:
@@ -278,15 +277,6 @@ if __name__ == "__main__":
     except Exception as e:
         logger.warning(f"警告: 加载并发配置失败,使用默认值: {e}")
 
-    logger.info("正在初始化浏览器管理器...")
-    try:
-        from services.browser_manager import init_browser_manager_async
-
-        logger.info("启动浏览器环境初始化（后台进行，不阻塞服务启动）...")
-        init_browser_manager_async()
-    except Exception as e:
-        logger.warning(f"警告: 启动浏览器初始化失败: {e}")
-
     logger.info("启动定时任务调度器...")
     threading.Thread(target=scheduled_task_worker, daemon=True, name="scheduled-task-worker").start()
     logger.info("✓ 定时任务调度器已启动")
@@ -305,7 +295,7 @@ if __name__ == "__main__":
     except Exception:
         pool_size = 3
     try:
-        logger.info(f"初始化截图线程池（{pool_size}个worker，按需启动浏览器，空闲5分钟后自动关闭）...")
+        logger.info(f"初始化截图线程池（{pool_size}个worker，按需启动执行环境，空闲5分钟后自动释放）...")
         init_browser_worker_pool(pool_size=pool_size)
         logger.info("✓ 截图线程池初始化完成")
     except Exception as e:

browser_installer.py

@@ -1,214 +0,0 @@
-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-"""
-浏览器自动下载安装模块
-检测本地是否有Playwright浏览器，如果没有则自动下载安装
-"""
-
-import os
-import sys
-import shutil
-import subprocess
-from pathlib import Path
-
-# 设置浏览器安装路径（支持Docker和本地环境）
-# Docker环境: PLAYWRIGHT_BROWSERS_PATH环境变量已设置为 /ms-playwright
-# 本地环境: 使用Playwright默认路径
-if 'PLAYWRIGHT_BROWSERS_PATH' in os.environ:
-    BROWSERS_PATH = os.environ['PLAYWRIGHT_BROWSERS_PATH']
-else:
-    # Windows: %USERPROFILE%\AppData\Local\ms-playwright
-    # Linux: ~/.cache/ms-playwright
-    if sys.platform == 'win32':
-        BROWSERS_PATH = str(Path.home() / "AppData" / "Local" / "ms-playwright")
-    else:
-        BROWSERS_PATH = str(Path.home() / ".cache" / "ms-playwright")
-    os.environ["PLAYWRIGHT_BROWSERS_PATH"] = BROWSERS_PATH
-
-
-class BrowserInstaller:
-    """浏览器安装器"""
-
-    def __init__(self, log_callback=None):
-        """
-        初始化安装器
-
-        Args:
-            log_callback: 日志回调函数
-        """
-        self.log_callback = log_callback
-
-    def log(self, message):
-        """输出日志"""
-        if self.log_callback:
-            self.log_callback(message)
-        else:
-            try:
-                print(message)
-            except UnicodeEncodeError:
-                # 如果打印Unicode字符失败，替换特殊字符
-                safe_message = message.replace('✓', '[OK]').replace('✗', '[X]')
-                print(safe_message)
-
-    def check_playwright_installed(self):
-        """检查Playwright是否已安装"""
-        try:
-            import playwright
-            self.log("✓ Playwright已安装")
-            return True
-        except ImportError:
-            self.log("✗ Playwright未安装")
-            return False
-
-    def check_chromium_installed(self):
-        """检查Chromium浏览器是否已安装"""
-        try:
-            from playwright.sync_api import sync_playwright
-
-            # 尝试启动浏览器检查是否可用
-            with sync_playwright() as p:
-                try:
-                    # 使用超时快速检查
-                    browser = p.chromium.launch(headless=True, timeout=5000)
-                    browser.close()
-                    self.log("✓ Chromium浏览器已安装且可用")
-                    return True
-                except Exception as e:
-                    error_msg = str(e)
-                    self.log(f"✗ Chromium浏览器不可用: {error_msg}")
-
-                    # 检查是否是路径不存在的错误
-                    if "Executable doesn't exist" in error_msg:
-                        self.log("检测到浏览器文件缺失，需要重新安装")
-
-                    return False
-        except Exception as e:
-            self.log(f"✗ 检查浏览器时出错: {str(e)}")
-            return False
-
-    def install_chromium(self):
-        """安装Chromium浏览器"""
-        try:
-            self.log("正在安装 Chromium 浏览器...")
-
-            # 查找 playwright 可执行文件
-            playwright_cli = None
-            possible_paths = [
-                os.path.join(os.path.dirname(sys.executable), "Scripts", "playwright.exe"),
-                os.path.join(os.path.dirname(sys.executable), "playwright.exe"),
-                os.path.join(os.path.dirname(sys.executable), "Scripts", "playwright"),
-                os.path.join(os.path.dirname(sys.executable), "playwright"),
-                "playwright",  # 系统PATH中
-            ]
-
-            for path in possible_paths:
-                if os.path.exists(path) or shutil.which(path):
-                    playwright_cli = path
-                    break
-
-            # 如果找到了 playwright CLI，直接调用
-            if playwright_cli:
-                self.log(f"使用 Playwright CLI: {playwright_cli}")
-                result = subprocess.run(
-                    [playwright_cli, "install", "chromium"],
-                    capture_output=True,
-                    text=True,
-                    timeout=300
-                )
-            else:
-                # 检测是否是 Nuitka 编译的程序
-                is_nuitka = hasattr(sys, 'frozen') or '__compiled__' in globals()
-
-                if is_nuitka:
-                    self.log("检测到 Nuitka 编译环境")
-                    self.log("✗ 无法找到 playwright CLI 工具")
-                    self.log("请手动运行: playwright install chromium")
-                    return False
-                else:
-                    # 使用 python -m
-                    result = subprocess.run(
-                        [sys.executable, "-m", "playwright", "install", "chromium"],
-                        capture_output=True,
-                        text=True,
-                        timeout=300
-                    )
-
-            if result.returncode == 0:
-                self.log("✓ Chromium浏览器安装成功")
-                return True
-            else:
-                self.log(f"✗ 浏览器安装失败: {result.stderr}")
-                return False
-
-        except subprocess.TimeoutExpired:
-            self.log("✗ 浏览器安装超时")
-            return False
-        except Exception as e:
-            self.log(f"✗ 浏览器安装出错: {str(e)}")
-            return False
-
-    def auto_install(self):
-        """
-        自动检测并安装所需环境
-
-        Returns:
-            是否成功安装或已安装
-        """
-        self.log("=" * 60)
-        self.log("检查浏览器环境...")
-        self.log("=" * 60)
-
-        # 1. 检查Playwright是否安装
-        if not self.check_playwright_installed():
-            self.log("✗ Playwright未安装，无法继续")
-            self.log("请确保程序包含 Playwright 库")
-            return False
-
-        # 2. 检查Chromium浏览器是否安装
-        if not self.check_chromium_installed():
-            self.log("\n未检测到Chromium浏览器，开始自动安装...")
-
-            # 安装浏览器
-            if not self.install_chromium():
-                self.log("✗ 浏览器安装失败")
-                self.log("\n您可以尝试以下方法：")
-                self.log("1. 手动执行: playwright install chromium")
-                self.log("2. 检查网络连接后重试")
-                self.log("3. 检查防火墙设置")
-                return False
-
-        self.log("\n" + "=" * 60)
-        self.log("✓ 浏览器环境检查完成，一切就绪！")
-        self.log("=" * 60 + "\n")
-
-        return True
-
-
-def check_and_install_browser(log_callback=None):
-    """
-    便捷函数：检查并安装浏览器
-
-    Args:
-        log_callback: 日志回调函数
-
-    Returns:
-        是否成功
-    """
-    installer = BrowserInstaller(log_callback)
-    return installer.auto_install()
-
-
-# 测试代码
-if __name__ == "__main__":
-    print("浏览器自动安装工具")
-    print("=" * 60)
-
-    installer = BrowserInstaller()
-    success = installer.auto_install()
-
-    if success:
-        print("\n✓ 安装成功！您现在可以运行主程序了。")
-    else:
-        print("\n✗ 安装失败，请查看上方错误信息。")
-
-    print("=" * 60)

browser_pool_worker.py

@@ -1,42 +1,22 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
-"""浏览器池管理 - 工作线程池模式（真正的浏览器复用）"""
+"""截图线程池管理 - 工作线程池模式（并发执行截图任务）"""
 
 import os
 import threading
 import queue
 import time
 from typing import Callable, Optional, Dict, Any
-import nest_asyncio
-
-_NEST_ASYNCIO_APPLIED = False
-_NEST_ASYNCIO_LOCK = threading.Lock()
-
-
-def _apply_nest_asyncio_once() -> None:
-    """按需应用 nest_asyncio，避免 import 时产生全局副作用。"""
-    global _NEST_ASYNCIO_APPLIED
-
-    if _NEST_ASYNCIO_APPLIED:
-        return
-    with _NEST_ASYNCIO_LOCK:
-        if _NEST_ASYNCIO_APPLIED:
-            return
-        try:
-            nest_asyncio.apply()
-        except Exception:
-            pass
-        _NEST_ASYNCIO_APPLIED = True
 
 # 安全修复: 将魔法数字提取为可配置常量
 BROWSER_IDLE_TIMEOUT = int(os.environ.get('BROWSER_IDLE_TIMEOUT', '300'))  # 空闲超时(秒)，默认5分钟
 TASK_QUEUE_TIMEOUT = int(os.environ.get('TASK_QUEUE_TIMEOUT', '10'))  # 队列获取超时(秒)
 TASK_QUEUE_MAXSIZE = int(os.environ.get('BROWSER_TASK_QUEUE_MAXSIZE', '200'))  # 队列最大长度(0表示无限制)
-BROWSER_MAX_USE_COUNT = int(os.environ.get('BROWSER_MAX_USE_COUNT', '0'))  # 每个浏览器最大复用次数(0表示不限制)
+BROWSER_MAX_USE_COUNT = int(os.environ.get('BROWSER_MAX_USE_COUNT', '0'))  # 每个执行环境最大复用次数(0表示不限制)
 
 
 class BrowserWorker(threading.Thread):
-    """浏览器工作线程 - 每个worker维护自己的浏览器"""
+    """截图工作线程 - 每个worker维护自己的执行环境"""
 
     def __init__(
         self,
@@ -62,82 +42,44 @@ class BrowserWorker(threading.Thread):
         if self.log_callback:
             self.log_callback(f"[Worker-{self.worker_id}] {message}")
         else:
-            print(f"[浏览器池][Worker-{self.worker_id}] {message}")
+            print(f"[截图池][Worker-{self.worker_id}] {message}")
 
     def _create_browser(self):
-        """创建浏览器实例"""
-        try:
-            from playwright.sync_api import sync_playwright
-
-            self.log("正在创建浏览器...")
-            playwright = sync_playwright().start()
-            browser = playwright.chromium.launch(
-                headless=True,
-                args=[
-                    '--no-sandbox',
-                    '--disable-setuid-sandbox',
-                    '--disable-dev-shm-usage',
-                    '--disable-gpu',
-                ]
-            )
-
-            created_at = time.time()
-            self.browser_instance = {
-                'playwright': playwright,
-                'browser': browser,
-                'created_at': created_at,
-                'use_count': 0,
-                'worker_id': self.worker_id
-            }
-            self.last_activity_ts = created_at
-            self.log(f"浏览器创建成功")
-            return True
-
-        except Exception as e:
-            self.log(f"创建浏览器失败: {e}")
-            return False
+        """创建截图执行环境（逻辑占位，无需真实浏览器）"""
+        created_at = time.time()
+        self.browser_instance = {
+            'created_at': created_at,
+            'use_count': 0,
+            'worker_id': self.worker_id,
+        }
+        self.last_activity_ts = created_at
+        self.log("截图执行环境就绪")
+        return True
 
     def _close_browser(self):
-        """关闭浏览器"""
+        """关闭截图执行环境"""
         if self.browser_instance:
-            try:
-                self.log("正在关闭浏览器...")
-                if self.browser_instance['browser']:
-                    self.browser_instance['browser'].close()
-                if self.browser_instance['playwright']:
-                    self.browser_instance['playwright'].stop()
-                self.log(f"浏览器已关闭（共处理{self.browser_instance['use_count']}个任务）")
-            except Exception as e:
-                self.log(f"关闭浏览器时出错: {e}")
-            finally:
-                self.browser_instance = None
+            self.log(f"执行环境已释放（共处理{self.browser_instance.get('use_count', 0)}个任务）")
+            self.browser_instance = None
 
     def _check_browser_health(self) -> bool:
-        """检查浏览器是否健康"""
-        if not self.browser_instance:
-            return False
-
-        try:
-            return self.browser_instance['browser'].is_connected()
-        except:
-            return False
+        """检查执行环境是否就绪"""
+        return bool(self.browser_instance)
 
     def _ensure_browser(self) -> bool:
-        """确保浏览器可用（如果不可用则重新创建）"""
+        """确保执行环境可用"""
         if self._check_browser_health():
             return True
-
-        # 浏览器不可用，尝试重新创建
-        self.log("浏览器不可用，尝试重新创建...")
+        self.log("执行环境不可用，尝试重新创建...")
         self._close_browser()
         return self._create_browser()
 
     def run(self):
-        """工作线程主循环 - 按需启动浏览器模式"""
+        """工作线程主循环 - 按需启动执行环境模式"""
         if self.pre_warm:
-            self.log("Worker启动（预热模式，启动即创建浏览器）")
+            self.log("Worker启动（预热模式，启动即准备执行环境）")
         else:
-            self.log("Worker启动（按需模式，等待任务时不占用浏览器资源）")
+            self.log("Worker启动（按需模式，等待任务时不占用资源）")
 
         if self.pre_warm and not self.browser_instance:
             self._create_browser()
@@ -155,11 +97,11 @@ class BrowserWorker(threading.Thread):
                 try:
                     task = self.task_queue.get(timeout=TASK_QUEUE_TIMEOUT)
                 except queue.Empty:
-                    # 检查是否需要关闭空闲的浏览器
+                    # 检查是否需要释放空闲的执行环境
                     if self.browser_instance and self.last_activity_ts > 0:
                         idle_time = time.time() - self.last_activity_ts
                         if idle_time > BROWSER_IDLE_TIMEOUT:
-                            self.log(f"空闲{int(idle_time)}秒，关闭浏览器释放资源")
+                            self.log(f"空闲{int(idle_time)}秒，释放执行环境")
                             self._close_browser()
                     continue
 
@@ -169,14 +111,14 @@ class BrowserWorker(threading.Thread):
                     self.log("收到停止信号")
                     break
 
-                # 按需创建或确保浏览器可用
+                # 按需创建或确保执行环境可用
                 browser_ready = False
                 for attempt in range(2):
                     if self._ensure_browser():
                         browser_ready = True
                         break
                     if attempt < 1:
-                        self.log("浏览器创建失败，重试...")
+                        self.log("执行环境创建失败，重试...")
                         time.sleep(0.5)
 
                 if not browser_ready:
@@ -185,20 +127,20 @@ class BrowserWorker(threading.Thread):
                         task["retry_count"] = retry_count + 1
                         try:
                             self.task_queue.put(task, timeout=1)
-                            self.log("浏览器不可用，任务重新入队")
+                            self.log("执行环境不可用，任务重新入队")
                         except queue.Full:
                             self.log("任务队列已满，无法重新入队，任务失败")
                             callback = task.get("callback")
                             if callable(callback):
-                                callback(None, "浏览器不可用")
+                                callback(None, "执行环境不可用")
                             self.total_tasks += 1
                             self.failed_tasks += 1
                         continue
 
-                    self.log("浏览器不可用，任务失败")
+                    self.log("执行环境不可用，任务失败")
                     callback = task.get("callback") if isinstance(task, dict) else None
                     if callable(callback):
-                        callback(None, "浏览器不可用")
+                        callback(None, "执行环境不可用")
                     self.total_tasks += 1
                     self.failed_tasks += 1
                     continue
@@ -212,10 +154,10 @@ class BrowserWorker(threading.Thread):
                 self.total_tasks += 1
                 self.browser_instance['use_count'] += 1
 
-                self.log(f"开始执行任务（第{self.browser_instance['use_count']}次使用浏览器）")
+                self.log(f"开始执行任务（第{self.browser_instance['use_count']}次执行）")
 
                 try:
-                    # 将浏览器实例传递给任务函数
+                # 将执行环境实例传递给任务函数
                     result = task_func(self.browser_instance, *task_args, **task_kwargs)
                     callback(result, None)
                     self.log(f"任务执行成功")
@@ -227,15 +169,15 @@ class BrowserWorker(threading.Thread):
                     self.failed_tasks += 1
                     self.last_activity_ts = time.time()
 
-                    # 任务失败后，检查浏览器健康
+                    # 任务失败后，检查执行环境健康
                     if not self._check_browser_health():
-                        self.log("任务失败导致浏览器异常，将在下次任务前重建")
+                        self.log("任务失败导致执行环境异常，将在下次任务前重建")
                         self._close_browser()
 
-                # 定期重启浏览器，释放Chromium可能累积的内存
+                # 定期重启执行环境，释放可能累积的资源
                 if self.browser_instance and BROWSER_MAX_USE_COUNT > 0:
                     if self.browser_instance.get('use_count', 0) >= BROWSER_MAX_USE_COUNT:
-                        self.log(f"浏览器已复用{self.browser_instance['use_count']}次，重启释放资源")
+                        self.log(f"执行环境已复用{self.browser_instance['use_count']}次，重启释放资源")
                         self._close_browser()
 
             except Exception as e:
@@ -252,7 +194,7 @@ class BrowserWorker(threading.Thread):
 
 
 class BrowserWorkerPool:
-    """浏览器工作线程池"""
+    """截图工作线程池"""
 
     def __init__(self, pool_size: int = 3, log_callback: Optional[Callable] = None):
         self.pool_size = pool_size
@@ -268,17 +210,15 @@ class BrowserWorkerPool:
         if self.log_callback:
             self.log_callback(message)
         else:
-            print(f"[浏览器池] {message}")
+            print(f"[截图池] {message}")
 
     def initialize(self):
-        """初始化工作线程池（按需模式，默认预热1个浏览器）"""
+        """初始化工作线程池（按需模式，默认预热1个执行环境）"""
         with self.lock:
             if self.initialized:
                 return
 
-            _apply_nest_asyncio_once()
-
-            self.log(f"正在初始化工作线程池（{self.pool_size}个worker，按需启动浏览器）...")
+            self.log(f"正在初始化截图线程池（{self.pool_size}个worker，按需启动执行环境）...")
 
             for i in range(self.pool_size):
                 worker = BrowserWorker(
@@ -291,13 +231,13 @@ class BrowserWorkerPool:
                 self.workers.append(worker)
 
             self.initialized = True
-            self.log(f"✓ 工作线程池初始化完成（{self.pool_size}个worker就绪，浏览器将在有任务时按需启动）")
+            self.log(f"✓ 截图线程池初始化完成（{self.pool_size}个worker就绪，执行环境将在有任务时按需启动）")
 
-        # 初始化完成后，默认预热1个浏览器，降低容器重启后前几批任务的冷启动开销
+        # 初始化完成后，默认预热1个执行环境，降低容器重启后前几批任务的冷启动开销
         self.warmup(1)
 
     def warmup(self, count: int = 1) -> int:
-        """预热浏览器池 - 预创建指定数量的浏览器"""
+        """预热截图线程池 - 预创建指定数量的执行环境"""
         if count <= 0:
             return 0
 
@@ -308,7 +248,7 @@ class BrowserWorkerPool:
         with self.lock:
             target_workers = list(self.workers[: min(count, len(self.workers))])
 
-        self.log(f"预热浏览器池（预创建{len(target_workers)}个浏览器）...")
+        self.log(f"预热截图线程池（预创建{len(target_workers)}个执行环境）...")
 
         for worker in target_workers:
             if not worker.browser_instance:
@@ -323,7 +263,7 @@ class BrowserWorkerPool:
             time.sleep(0.1)
 
         warmed = sum(1 for w in target_workers if w.browser_instance)
-        self.log(f"✓ 浏览器池预热完成（{warmed}个浏览器就绪）")
+        self.log(f"✓ 截图线程池预热完成（{warmed}个执行环境就绪）")
         return warmed
 
     def submit_task(self, task_func: Callable, callback: Callable, *args, **kwargs) -> bool:
@@ -435,7 +375,7 @@ _pool_lock = threading.Lock()
 
 
 def get_browser_worker_pool(pool_size: int = 3, log_callback: Optional[Callable] = None) -> BrowserWorkerPool:
-    """获取全局浏览器工作线程池（单例）"""
+    """获取全局截图工作线程池（单例）"""
     global _global_pool
 
     with _pool_lock:
@@ -447,12 +387,46 @@ def get_browser_worker_pool(pool_size: int = 3, log_callback: Optional[Callable]
 
 
 def init_browser_worker_pool(pool_size: int = 3, log_callback: Optional[Callable] = None):
-    """初始化全局浏览器工作线程池"""
+    """初始化全局截图工作线程池"""
     get_browser_worker_pool(pool_size=pool_size, log_callback=log_callback)
 
 
+def _shutdown_pool_when_idle(pool: BrowserWorkerPool) -> None:
+    try:
+        pool.wait_for_completion(timeout=60)
+    except Exception:
+        pass
+    try:
+        pool.shutdown()
+    except Exception:
+        pass
+
+
+def resize_browser_worker_pool(pool_size: int, log_callback: Optional[Callable] = None) -> bool:
+    """调整截图线程池并发（新任务走新池，旧池空闲后自动关闭）"""
+    global _global_pool
+
+    try:
+        target_size = max(1, int(pool_size))
+    except Exception:
+        target_size = 1
+
+    with _pool_lock:
+        old_pool = _global_pool
+        if old_pool and int(getattr(old_pool, "pool_size", 0) or 0) == target_size:
+            return False
+        effective_log_callback = log_callback or (getattr(old_pool, "log_callback", None) if old_pool else None)
+        _global_pool = BrowserWorkerPool(pool_size=target_size, log_callback=effective_log_callback)
+        _global_pool.initialize()
+
+    if old_pool:
+        threading.Thread(target=_shutdown_pool_when_idle, args=(old_pool,), daemon=True).start()
+
+    return True
+
+
 def shutdown_browser_worker_pool():
-    """关闭全局浏览器工作线程池"""
+    """关闭全局截图工作线程池"""
     global _global_pool
 
     with _pool_lock:
@@ -463,7 +437,7 @@ def shutdown_browser_worker_pool():
 
 if __name__ == '__main__':
     # 测试代码
-    print("测试浏览器工作线程池...")
+    print("测试截图工作线程池...")
 
     def test_task(browser_instance, url: str, task_id: int):
         """测试任务：访问URL"""

docker-compose.yml

@@ -10,7 +10,6 @@ services:
       - ./data:/app/data          # 数据库持久化
       - ./logs:/app/logs          # 日志持久化
       - ./截图:/app/截图          # 截图持久化
-      - ./playwright:/ms-playwright  # Playwright浏览器持久化（避免重复下载）
       - /etc/localtime:/etc/localtime:ro  # 时区同步
       - ./static:/app/static      # 静态文件（实时更新）
       - ./templates:/app/templates  # 模板文件（实时更新）
@@ -23,8 +22,6 @@ services:
     environment:
       - TZ=Asia/Shanghai
       - PYTHONUNBUFFERED=1
-      - PLAYWRIGHT_BROWSERS_PATH=/ms-playwright
-      - PLAYWRIGHT_DOWNLOAD_HOST=https://npmmirror.com/mirrors/playwright
       # Flask 配置
       - FLASK_ENV=production
       - FLASK_DEBUG=false

requirements.txt

@@ -2,7 +2,6 @@ flask==3.0.0
 flask-socketio==5.3.5
 flask-login==0.6.3
 python-socketio==5.10.0
-playwright==1.40.0
 schedule==1.2.0
 psutil==5.9.6
 pytz==2024.1
@@ -10,6 +9,5 @@ bcrypt==4.0.1
 requests==2.31.0
 python-dotenv==1.0.0
 beautifulsoup4==4.12.2
-nest_asyncio
 cryptography>=41.0.0
 Pillow>=10.0.0

routes/admin_api/core.py

@@ -350,7 +350,7 @@ def get_system_stats():
 @admin_api_bp.route("/browser_pool/stats", methods=["GET"])
 @admin_required
 def get_browser_pool_stats():
-    """获取浏览器池状态"""
+    """获取截图线程池状态"""
     try:
         from browser_pool_worker import get_browser_worker_pool
 
@@ -408,8 +408,8 @@ def get_browser_pool_stats():
             }
         )
     except Exception as e:
-        logger.exception(f"[AdminAPI] 获取浏览器池状态失败: {e}")
-        return jsonify({"error": "获取浏览器池状态失败"}), 500
+        logger.exception(f"[AdminAPI] 获取截图线程池状态失败: {e}")
+        return jsonify({"error": "获取截图线程池状态失败"}), 500
 
 
 @admin_api_bp.route("/docker_stats", methods=["GET"])
@@ -619,7 +619,7 @@ def update_system_config_api():
 
     if new_max_screenshot_concurrent is not None:
         if not isinstance(new_max_screenshot_concurrent, int) or new_max_screenshot_concurrent < 1:
-            return jsonify({"error": "截图并发数必须大于0（建议根据服务器配置设置，每个浏览器约占用200MB内存）"}), 400
+            return jsonify({"error": "截图并发数必须大于0（建议根据服务器配置设置，wkhtmltoimage 资源占用较低）"}), 400
 
     if schedule_time is not None:
         import re
@@ -672,6 +672,14 @@ def update_system_config_api():
             max_global=int(new_config.get("max_concurrent_global", old_config.get("max_concurrent_global", 2))),
             max_per_user=int(new_config.get("max_concurrent_per_account", old_config.get("max_concurrent_per_account", 1))),
         )
+        if new_max_screenshot_concurrent is not None:
+            try:
+                from browser_pool_worker import resize_browser_worker_pool
+
+                if resize_browser_worker_pool(int(new_config.get("max_screenshot_concurrent", new_max_screenshot_concurrent))):
+                    logger.info(f"截图线程池并发已更新为: {new_config.get('max_screenshot_concurrent')}")
+            except Exception as pool_error:
+                logger.warning(f"截图线程池并发更新失败: {pool_error}")
     except Exception:
         pass
 

routes/admin_api/security.py

@@ -295,6 +295,21 @@ def get_ip_risk(ip):
     )
 
 
+@security_bp.route("/api/admin/security/ip-risk/clear", methods=["POST"])
+@admin_required
+def clear_ip_risk():
+    """清除指定IP的风险分"""
+    data = _parse_json()
+    ip_text = str(data.get("ip") or "").strip()
+    if not ip_text:
+        return jsonify({"error": "ip不能为空"}), 400
+
+    if not scorer.reset_ip_score(ip_text):
+        return jsonify({"error": "清理失败"}), 400
+
+    return jsonify({"success": True, "ip": _truncate(ip_text, 64), "risk_score": 0})
+
+
 @security_bp.route("/api/admin/security/user-risk/<int:user_id>", methods=["GET"])
 @admin_required
 def get_user_risk(user_id):
@@ -331,4 +346,3 @@ def cleanup_expired():
         pool_stats = None
 
     return jsonify({"success": True, "pool_stats": pool_stats})
-

routes/api_accounts.py

@@ -11,7 +11,6 @@ from crypto_utils import encrypt_password as encrypt_account_password
 from flask import Blueprint, jsonify, request
 from flask_login import current_user, login_required
 from services.accounts_service import load_user_accounts
-from services.browser_manager import init_browser_manager_async
 from services.browse_types import BROWSE_TYPE_SHOULD_READ, normalize_browse_type, validate_browse_type
 from services.client_log import log_to_client
 from services.models import Account
@@ -230,10 +229,6 @@ def start_account(account_id):
     if not browse_type:
         return jsonify({"error": "浏览类型无效"}), 400
     enable_screenshot = data.get("enable_screenshot", True)
-    if enable_screenshot:
-        # 异步初始化浏览器环境，避免首次下载/安装 Chromium 阻塞请求导致“网页无响应”
-        init_browser_manager_async()
-
     ok, message = submit_account_task(
         user_id=user_id,
         account_id=account_id,
@@ -308,9 +303,6 @@ def manual_screenshot(account_id):
 
     account.last_browse_type = browse_type
 
-    # 异步初始化浏览器环境，避免首次下载/安装 Chromium 阻塞请求
-    init_browser_manager_async()
-
     threading.Thread(
         target=take_screenshot_for_account,
         args=(user_id, account_id, browse_type, "manual_screenshot"),
@@ -336,10 +328,6 @@ def batch_start_accounts():
     if not account_ids:
         return jsonify({"error": "请选择要启动的账号"}), 400
 
-    if enable_screenshot:
-        # 异步初始化浏览器环境，避免首次下载/安装 Chromium 阻塞请求
-        init_browser_manager_async()
-
     started = []
     failed = []
 

security/risk_scorer.py

@@ -229,6 +229,33 @@ class RiskScorer:
             self._update_scores(cursor, "", user_id_int, delta, now_str)
             conn.commit()
 
+    def reset_ip_score(self, ip: str) -> bool:
+        """清零指定IP的风险分"""
+        ip_text = str(ip or "").strip()[:64]
+        if not ip_text:
+            return False
+
+        now_str = get_cst_now_str()
+        with db_pool.get_db() as conn:
+            cursor = conn.cursor()
+            cursor.execute("SELECT ip FROM ip_risk_scores WHERE ip = ?", (ip_text,))
+            row = cursor.fetchone()
+            if row:
+                cursor.execute(
+                    "UPDATE ip_risk_scores SET risk_score = 0, last_seen = ?, updated_at = ? WHERE ip = ?",
+                    (now_str, now_str, ip_text),
+                )
+            else:
+                cursor.execute(
+                    """
+                    INSERT INTO ip_risk_scores (ip, risk_score, last_seen, created_at, updated_at)
+                    VALUES (?, 0, ?, ?, ?)
+                    """,
+                    (ip_text, now_str, now_str, now_str),
+                )
+            conn.commit()
+        return True
+
     def _update_scores(
         self,
         cursor,

services/browser_manager.py

@@ -1,112 +0,0 @@
-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-from __future__ import annotations
-
-import threading
-import time
-from typing import Optional
-
-from app_logger import get_logger
-from browser_installer import check_and_install_browser
-from playwright_automation import PlaywrightBrowserManager
-
-logger = get_logger("browser_manager")
-
-_browser_manager: Optional[PlaywrightBrowserManager] = None
-_lock = threading.Lock()
-_cond = threading.Condition(_lock)
-_init_in_progress = False
-_init_error: Optional[str] = None
-_init_thread: Optional[threading.Thread] = None
-
-
-def get_browser_manager() -> Optional[PlaywrightBrowserManager]:
-    return _browser_manager
-
-
-def is_browser_manager_ready() -> bool:
-    return _browser_manager is not None
-
-
-def get_browser_manager_init_error() -> Optional[str]:
-    return _init_error
-
-
-def init_browser_manager(*, block: bool = True, timeout: Optional[float] = None) -> bool:
-    global _browser_manager
-    global _init_in_progress, _init_error
-
-    deadline = time.monotonic() + float(timeout) if timeout is not None else None
-
-    with _cond:
-        if _browser_manager is not None:
-            return True
-
-        if _init_in_progress:
-            if not block:
-                return False
-            while _init_in_progress:
-                if deadline is None:
-                    _cond.wait(timeout=0.5)
-                    continue
-                remaining = deadline - time.monotonic()
-                if remaining <= 0:
-                    break
-                _cond.wait(timeout=min(0.5, remaining))
-            return _browser_manager is not None
-
-        _init_in_progress = True
-        _init_error = None
-
-    ok = False
-    error: Optional[str] = None
-    manager: Optional[PlaywrightBrowserManager] = None
-
-    try:
-        logger.info("正在初始化Playwright浏览器管理器...")
-        if not check_and_install_browser(log_callback=lambda msg, account_id=None: logger.info(str(msg))):
-            error = "浏览器环境检查失败"
-            logger.error("浏览器环境检查失败！")
-            ok = False
-        else:
-            manager = PlaywrightBrowserManager(
-                headless=True,
-                log_callback=lambda msg, account_id=None: logger.info(str(msg)),
-            )
-            ok = True
-            logger.info("Playwright浏览器管理器创建成功！")
-    except Exception as exc:
-        error = f"{type(exc).__name__}: {exc}"
-        logger.exception("初始化Playwright浏览器管理器时发生异常")
-        ok = False
-
-    with _cond:
-        if ok and manager is not None:
-            _browser_manager = manager
-        else:
-            _init_error = error or "初始化失败"
-        _init_in_progress = False
-        _cond.notify_all()
-
-    return ok
-
-
-def init_browser_manager_async() -> None:
-    """异步初始化浏览器环境，避免阻塞 Web 请求/服务启动。"""
-    global _init_thread
-
-    def _worker():
-        try:
-            init_browser_manager(block=True)
-        except Exception:
-            logger.exception("异步初始化浏览器管理器失败")
-
-    with _cond:
-        if _browser_manager is not None:
-            return
-        if _init_thread and _init_thread.is_alive():
-            return
-        if _init_in_progress:
-            return
-        _init_thread = threading.Thread(target=_worker, daemon=True, name="browser-manager-init")
-        _init_thread.start()

services/screenshots.py

@@ -3,15 +3,16 @@
 from __future__ import annotations
 
 import os
+import shutil
+import subprocess
 import time
 
 import database
 import email_service
+from api_browser import APIBrowser, get_cookie_jar_path, is_cookie_jar_fresh
 from app_config import get_config
 from app_logger import get_logger
 from browser_pool_worker import get_browser_worker_pool
-from playwright_automation import PlaywrightAutomation
-from services.browser_manager import get_browser_manager
 from services.client_log import log_to_client
 from services.runtime import get_socketio
 from services.state import safe_get_account, safe_remove_task_status, safe_update_task_status
@@ -24,6 +25,93 @@ config = get_config()
 SCREENSHOTS_DIR = config.SCREENSHOTS_DIR
 os.makedirs(SCREENSHOTS_DIR, exist_ok=True)
 
+_WKHTMLTOIMAGE_TIMEOUT_SECONDS = int(os.environ.get("WKHTMLTOIMAGE_TIMEOUT_SECONDS", "60"))
+_WKHTMLTOIMAGE_JS_DELAY_MS = int(os.environ.get("WKHTMLTOIMAGE_JS_DELAY_MS", "3000"))
+_WKHTMLTOIMAGE_WIDTH = int(os.environ.get("WKHTMLTOIMAGE_WIDTH", "1920"))
+_WKHTMLTOIMAGE_QUALITY = int(os.environ.get("WKHTMLTOIMAGE_QUALITY", "95"))
+_WKHTMLTOIMAGE_UA = os.environ.get(
+    "WKHTMLTOIMAGE_USER_AGENT",
+    "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36",
+)
+
+
+def _resolve_wkhtmltoimage_path() -> str | None:
+    return os.environ.get("WKHTMLTOIMAGE_PATH") or shutil.which("wkhtmltoimage")
+
+
+def _ensure_login_cookies(account, proxy_config, log_callback) -> bool:
+    """确保有可用的登录 cookies（通过 API 登录刷新）"""
+    try:
+        with APIBrowser(log_callback=log_callback, proxy_config=proxy_config) as api_browser:
+            if not api_browser.login(account.username, account.password):
+                return False
+            return api_browser.save_cookies_for_screenshot(account.username)
+    except Exception:
+        return False
+
+
+def take_screenshot_wkhtmltoimage(
+    url: str,
+    output_path: str,
+    cookies_path: str | None = None,
+    proxy_server: str | None = None,
+    log_callback=None,
+) -> bool:
+    wkhtmltoimage_path = _resolve_wkhtmltoimage_path()
+    if not wkhtmltoimage_path:
+        if log_callback:
+            log_callback("wkhtmltoimage 未安装或不在 PATH 中")
+        return False
+
+    ext = os.path.splitext(output_path)[1].lower()
+    image_format = "jpg" if ext in (".jpg", ".jpeg") else "png"
+
+    cmd = [
+        wkhtmltoimage_path,
+        "--format",
+        image_format,
+        "--width",
+        str(_WKHTMLTOIMAGE_WIDTH),
+        "--disable-smart-width",
+        "--javascript-delay",
+        str(_WKHTMLTOIMAGE_JS_DELAY_MS),
+        "--load-error-handling",
+        "ignore",
+        "--enable-local-file-access",
+        "--encoding",
+        "utf-8",
+        "--user-agent",
+        _WKHTMLTOIMAGE_UA,
+    ]
+
+    if image_format in ("jpg", "jpeg"):
+        cmd.extend(["--quality", str(_WKHTMLTOIMAGE_QUALITY)])
+
+    if cookies_path:
+        cmd.extend(["--cookie-jar", cookies_path])
+
+    if proxy_server:
+        cmd.extend(["--proxy", proxy_server])
+
+    cmd.extend([url, output_path])
+
+    try:
+        result = subprocess.run(cmd, capture_output=True, text=True, timeout=_WKHTMLTOIMAGE_TIMEOUT_SECONDS)
+        if result.returncode != 0:
+            if log_callback:
+                err_msg = (result.stderr or result.stdout or "").strip()
+                log_callback(f"wkhtmltoimage 截图失败: {err_msg[:200]}")
+            return False
+        return True
+    except subprocess.TimeoutExpired:
+        if log_callback:
+            log_callback("wkhtmltoimage 截图超时")
+        return False
+    except Exception as e:
+        if log_callback:
+            log_callback(f"wkhtmltoimage 截图异常: {e}")
+        return False
+
 
 def _emit(event: str, data: object, *, room: str | None = None) -> None:
     try:
@@ -42,7 +130,7 @@ def take_screenshot_for_account(
     task_start_time=None,
     browse_result=None,
 ):
-    """为账号任务完成后截图（使用工作线程池，真正的浏览器复用）"""
+    """为账号任务完成后截图（使用截图线程池并发执行）"""
     account = safe_get_account(user_id, account_id)
     if not account:
         return
@@ -63,9 +151,11 @@ def take_screenshot_for_account(
             _emit("account_update", acc.to_dict(), room=f"user_{user_id}")
 
         max_retries = 3
+        proxy_config = account.proxy_config if hasattr(account, "proxy_config") else None
+        proxy_server = proxy_config.get("server") if proxy_config else None
+        cookie_path = get_cookie_jar_path(account.username)
 
         for attempt in range(1, max_retries + 1):
-            automation = None
             try:
                 safe_update_task_status(
                     account_id,
@@ -75,100 +165,39 @@ def take_screenshot_for_account(
                 if attempt > 1:
                     log_to_client(f"🔄 第 {attempt} 次截图尝试...", user_id, account_id)
 
+                worker_id = browser_instance.get("worker_id", "?") if isinstance(browser_instance, dict) else "?"
+                use_count = browser_instance.get("use_count", 0) if isinstance(browser_instance, dict) else 0
                 log_to_client(
-                    f"使用Worker-{browser_instance['worker_id']}的浏览器（已使用{browser_instance['use_count']}次）",
+                    f"使用Worker-{worker_id}执行截图（已执行{use_count}次）",
                     user_id,
                     account_id,
                 )
 
-                proxy_config = account.proxy_config if hasattr(account, "proxy_config") else None
-                automation = PlaywrightAutomation(get_browser_manager(), account_id, proxy_config=proxy_config)
-                automation.playwright = browser_instance["playwright"]
-                automation.browser = browser_instance["browser"]
-
                 def custom_log(message: str):
                     log_to_client(message, user_id, account_id)
 
-                automation.log = custom_log
-
-                log_to_client("登录中...", user_id, account_id)
-                login_result = automation.quick_login(account.username, account.password, account.remember)
-                if not login_result["success"]:
-                    error_message = login_result.get("message", "截图登录失败")
-                    log_to_client(f"截图登录失败: {error_message}", user_id, account_id)
-                    if attempt < max_retries:
-                        log_to_client("将重试...", user_id, account_id)
-                        time.sleep(2)
-                        continue
-                    log_to_client("❌ 截图失败: 登录失败", user_id, account_id)
-                    return {"success": False, "error": "登录失败"}
+                if not is_cookie_jar_fresh(cookie_path) or attempt > 1:
+                    log_to_client("正在刷新登录态...", user_id, account_id)
+                    if not _ensure_login_cookies(account, proxy_config, custom_log):
+                        log_to_client("截图登录失败", user_id, account_id)
+                        if attempt < max_retries:
+                            log_to_client("将重试...", user_id, account_id)
+                            time.sleep(2)
+                            continue
+                        log_to_client("❌ 截图失败: 登录失败", user_id, account_id)
+                        return {"success": False, "error": "登录失败"}
 
                 log_to_client(f"导航到 '{browse_type}' 页面...", user_id, account_id)
 
-                # 截图场景：优先用 bz 参数直达页面（更稳定，避免页面按钮点击失败导致截图跑偏）
-                navigated = False
-                try:
-                    from urllib.parse import urlsplit
+                from urllib.parse import urlsplit
 
-                    parsed = urlsplit(config.ZSGL_LOGIN_URL)
-                    base = f"{parsed.scheme}://{parsed.netloc}"
-                    if "注册前" in str(browse_type):
-                        bz = 0
-                    else:
-                        bz = 2  # 应读
-                    target_url = f"{base}/admin/center.aspx?bz={bz}"
-                    # 目标：保留外层框架（左侧菜单/顶部栏），仅在 mainframe 内部导航到目标内容页
-                    iframe = None
-                    try:
-                        iframe = automation.get_iframe_safe(retry=True, max_retries=5)
-                    except Exception:
-                        iframe = None
-
-                    if iframe:
-                        iframe.goto(target_url, timeout=60000)
-                        current_url = getattr(iframe, "url", "") or ""
-                        if "center.aspx" not in current_url:
-                            raise RuntimeError(f"unexpected_iframe_url:{current_url}")
-                        try:
-                            iframe.wait_for_load_state("networkidle", timeout=10000)
-                        except Exception:
-                            pass
-                        try:
-                            iframe.wait_for_selector("table.ltable", timeout=5000)
-                        except Exception:
-                            pass
-                    else:
-                        # 兜底：若获取不到 iframe，则退回到主页面直达
-                        automation.main_page.goto(target_url, timeout=60000)
-                        current_url = getattr(automation.main_page, "url", "") or ""
-                        if "center.aspx" not in current_url:
-                            raise RuntimeError(f"unexpected_url:{current_url}")
-                        try:
-                            automation.main_page.wait_for_load_state("networkidle", timeout=10000)
-                        except Exception:
-                            pass
-                        try:
-                            automation.main_page.wait_for_selector("table.ltable", timeout=5000)
-                        except Exception:
-                            pass
-                    navigated = True
-                except Exception as nav_error:
-                    log_to_client(f"直达页面失败，将尝试按钮切换: {str(nav_error)[:120]}", user_id, account_id)
-
-                # 兼容兜底：若直达失败，则回退到原有按钮切换方式
-                if not navigated:
-                    result = automation.browse_content(
-                        navigate_only=True,
-                        browse_type=browse_type,
-                        auto_next_page=False,
-                        auto_view_attachments=False,
-                        interval=0,
-                        should_stop_callback=None,
-                    )
-                    if not result.success and result.error_message:
-                        log_to_client(f"导航警告: {result.error_message}", user_id, account_id)
-
-                time.sleep(2)
+                parsed = urlsplit(config.ZSGL_LOGIN_URL)
+                base = f"{parsed.scheme}://{parsed.netloc}"
+                if "注册前" in str(browse_type):
+                    bz = 0
+                else:
+                    bz = 2  # 应读
+                target_url = f"{base}/admin/center.aspx?bz={bz}"
 
                 timestamp = get_beijing_now().strftime("%Y%m%d_%H%M%S")
 
@@ -178,7 +207,13 @@ def take_screenshot_for_account(
                 screenshot_filename = f"{username_prefix}_{login_account}_{browse_type}_{timestamp}.jpg"
                 screenshot_path = os.path.join(SCREENSHOTS_DIR, screenshot_filename)
 
-                if automation.take_screenshot(screenshot_path):
+                if take_screenshot_wkhtmltoimage(
+                    target_url,
+                    screenshot_path,
+                    cookies_path=cookie_path if is_cookie_jar_fresh(cookie_path) else None,
+                    proxy_server=proxy_server,
+                    log_callback=custom_log,
+                ):
                     if os.path.exists(screenshot_path) and os.path.getsize(screenshot_path) > 1000:
                         log_to_client(f"✓ 截图成功: {screenshot_filename}", user_id, account_id)
                         return {"success": True, "filename": screenshot_filename}
@@ -197,15 +232,6 @@ def take_screenshot_for_account(
                 if attempt < max_retries:
                     log_to_client("将重试...", user_id, account_id)
                     time.sleep(2)
-            finally:
-                if automation:
-                    try:
-                        if automation.context:
-                            automation.context.close()
-                        automation.context = None
-                        automation.page = None
-                    except Exception as e:
-                        logger.debug(f"关闭context时出错: {e}")
 
         return {"success": False, "error": "截图失败，已重试3次"}
 

services/tasks.py

@@ -574,7 +574,7 @@ def run_task(user_id, account_id, browse_type, enable_screenshot=True, source="m
                     with APIBrowser(log_callback=custom_log, proxy_config=proxy_config) as api_browser:
                         if api_browser.login(account.username, account.password):
                             log_to_client("✓ 登录成功！", user_id, account_id)
-                            api_browser.save_cookies_for_playwright(account.username)
+                            api_browser.save_cookies_for_screenshot(account.username)
                             database.reset_account_login_status(account_id)
 
                             if not account.remark:

templates/admin_legacy.html

@@ -808,7 +808,7 @@
                     <label>截图最大并发数</label>
                     <input type="number" id="maxScreenshotConcurrent" min="1" value="3" style="max-width: 200px;">
                     <div style="font-size: 12px; color: #666; margin-top: 5px;">
-                        说明：同时进行截图的最大数量。每个浏览器约占用200MB内存。
+                        说明：同时进行截图的最大数量。wkhtmltoimage 资源占用较低，可按需提高。
                     </div>
                 </div>
 

tests/test_browser_pool_worker.py

@@ -41,7 +41,7 @@ def test_requeue_task_when_browser_unavailable():
     worker.join(timeout=5)
 
     assert worker.is_alive() is False
-    assert worker.ensure_calls == 2  # 本地最多尝试2次创建浏览器
+    assert worker.ensure_calls == 2  # 本地最多尝试2次创建执行环境
     assert callback_calls == []  # 第一次失败会重新入队，不应立即回调失败
 
     requeued = task_queue.get_nowait()
@@ -69,7 +69,6 @@ def test_fail_task_after_second_assignment():
     worker.join(timeout=5)
 
     assert worker.is_alive() is False
-    assert callback_calls == [(None, "浏览器不可用")]
+    assert callback_calls == [(None, "执行环境不可用")]
     assert worker.total_tasks == 1
     assert worker.failed_tasks == 1
-