11

scripts/nodejs/douyin_browser_manager.js

@@ -73,7 +73,11 @@ class DouyinBrowserManager {
   constructor() {
     this.browser = null;
     this.isInitializing = false;
-    this.userDataPath = getRuntimeDataPath("browser-data", "douyin");
+    // 下载链路使用独立临时 profile，避免与其他流程/遗留进程抢占同一目录锁。
+    this.userDataPath = getRuntimeDataPath(
+      "temp",
+      `douyin-pipeline-${process.pid}-${Date.now()}`
+    );
   }
 
   static getInstance() {
@@ -180,8 +184,10 @@ class DouyinBrowserManager {
     const page = await this.browser.newPage();
     await page.setUserAgent(DEFAULT_USER_AGENT);
     await page.evaluateOnNewDocument(STEALTH_INIT_SCRIPT);
-    page.setDefaultNavigationTimeout(60000);
-    page.setDefaultTimeout(60000);
+    const pageTimeoutMs =
+      Number(process.env.AICLIENT_DOUYIN_PAGE_TIMEOUT_MS) || 90_000;
+    page.setDefaultNavigationTimeout(pageTimeoutMs);
+    page.setDefaultTimeout(pageTimeoutMs);
     return page;
   }
 
@@ -192,6 +198,16 @@ class DouyinBrowserManager {
         this.browser = null;
         console.log("浏览器管理器已关闭");
       }
+      if (
+        this.userDataPath &&
+        this.userDataPath.includes(`${path.sep}temp${path.sep}douyin-pipeline-`)
+      ) {
+        try {
+          fs.rmSync(this.userDataPath, { recursive: true, force: true });
+        } catch {
+          /* ignore temp dir cleanup errors */
+        }
+      }
     } catch (error) {
       console.error("关闭浏览器管理器失败:", error);
     }

scripts/nodejs/douyin_video_downloader.js

@@ -15,6 +15,16 @@ const { DouyinBrowserManager, getRuntimeDataPath } = require("./douyin_browser_m
 const DIRECT_VIDEO_PATTERN =
   /https?:\/\/[^\s"'<>]+?\.(mp4|mov|m4v|webm|avi|mkv)(\?[^\s"'<>]*)?/i;
 
+/** 视频页导航超时（毫秒），可通过 AICLIENT_DOUYIN_PAGE_TIMEOUT_MS 覆盖 */
+const PAGE_NAV_TIMEOUT_MS =
+  Number(process.env.AICLIENT_DOUYIN_PAGE_TIMEOUT_MS) || 60_000;
+/** 等待 aweme detail API 拦截的超时（毫秒） */
+const API_INTERCEPT_TIMEOUT_MS =
+  Number(process.env.AICLIENT_DOUYIN_API_WAIT_MS) || 120_000;
+/** 打开视频页后额外等待，便于接口与播放器初始化 */
+const PAGE_SETTLE_MS =
+  Number(process.env.AICLIENT_DOUYIN_PAGE_SETTLE_MS) || 5_000;
+
 const sleep = (ms) => new Promise((r) => setTimeout(r, ms));
 
 class DouyinVideoDownloader {
@@ -214,7 +224,7 @@ class DouyinVideoDownloader {
           console.log("API 拦截超时，将尝试其他方法");
           resolve(null);
         }
-      }, 30000);
+      }, API_INTERCEPT_TIMEOUT_MS);
     });
   }
 
@@ -287,8 +297,9 @@ class DouyinVideoDownloader {
       try {
         await page.goto(directVideoUrl, {
           waitUntil: "domcontentloaded",
-          timeout: 30000,
+          timeout: PAGE_NAV_TIMEOUT_MS,
         });
+        await sleep(PAGE_SETTLE_MS);
         const currentUrl = page.url();
         const isLoginPage =
           currentUrl.includes("/login") || currentUrl.includes("login?");
@@ -297,8 +308,9 @@ class DouyinVideoDownloader {
           await this.ensureLoggedIn(page);
           await page.goto(directVideoUrl, {
             waitUntil: "domcontentloaded",
-            timeout: 30000,
+            timeout: PAGE_NAV_TIMEOUT_MS,
           });
+          await sleep(PAGE_SETTLE_MS);
           if (page.url().includes("/login")) {
             return {
               success: false,
@@ -405,9 +417,9 @@ class DouyinVideoDownloader {
 
       await page.goto("https://www.douyin.com/", {
         waitUntil: "domcontentloaded",
-        timeout: 30000,
+        timeout: PAGE_NAV_TIMEOUT_MS,
       });
-      await sleep(2000);
+      await sleep(PAGE_SETTLE_MS);
 
       const isLoggedIn = await page.evaluate(() => {
         const loginBtnSelectors = [