ts

app/web.py

@@ -72,13 +72,15 @@ templates = Jinja2Templates(directory=os.path.join(config.BASE_DIR, "templates")
 
 @app.on_event("startup")
 async def on_startup():
-    # 启动 Playwright + Browser（长期复用，减少反复启动带来的抖动）
-    app_state.playwright = await async_playwright().start()
-    app_state.browser = await app_state.playwright.chromium.launch(
-        headless=config.HEADLESS,
-        args=config.BROWSER_ARGS,
-    )
-    log_manager.append("INFO", f"Browser launched (headless={config.HEADLESS})")
+    """
+    只做轻量初始化，不在启动时强制拉起浏览器。
+    原因：
+    - 很多环境首次运行未执行 `playwright install chromium`，如果启动即 launch，会导致 Web 直接起不来（你看到的“打不开”）。
+    - 浏览器改为按需启动：第一次需要登录/解析/采集时再启动，失败也能在 UI 里看到明确错误。
+    """
+    app_state.playwright = None
+    app_state.browser = None
+    log_manager.append("INFO", "App started (browser will be launched lazily on demand)")
 
 
 @app.on_event("shutdown")