签到重试机制+超话选择持久化+healthcheck优化+JSON解码防护

backend/task_scheduler/app/main.py

@@ -466,19 +466,43 @@ async def _async_do_signin(account_id: str, cron_expr: str = ""):
 
 
 async def _fetch_topics(cookies: dict) -> list:
-    """获取关注的超话列表。Cookie 失效时返回空列表。"""
+    """
+    获取关注的超话列表。
+    带重试机制：微博凌晨可能触发风控（302 到通行证验证页），重试 2 次。
+    返回空列表表示获取失败（Cookie 失效或风控）。
+    """
     import httpx
 
+    max_retries = 3
+    for attempt in range(max_retries):
         topics = []
         try:
-        async with httpx.AsyncClient(timeout=15, follow_redirects=True) as client:
+            # 不自动跟随重定向，手动检测 302
+            async with httpx.AsyncClient(timeout=15, follow_redirects=False) as client:
                 resp = await client.get("https://weibo.com/", headers=WEIBO_HEADERS, cookies=cookies)
-            # 检测是否被重定向到访客页（Cookie 失效）
-            if "passport.weibo.com" in str(resp.url) or "visitor" in str(resp.url).lower():
-                logger.warning("Cookie 已失效，被重定向到登录/访客页")
+
+                # 302 重定向到登录页 = Cookie 失效或风控
+                if resp.status_code in (301, 302):
+                    location = resp.headers.get("location", "")
+                    if "login.sina.com.cn" in location or "passport" in location:
+                        if attempt < max_retries - 1:
+                            wait = (attempt + 1) * 3
+                            logger.warning(f"被重定向到登录页(尝试 {attempt+1}/{max_retries})，{wait}秒后重试...")
+                            await asyncio.sleep(wait)
+                            continue
+                        else:
+                            logger.warning(f"多次重试仍被重定向，Cookie 可能已失效")
                             return []
 
-            xsrf = client.cookies.get("XSRF-TOKEN", "")
+                    # 其他 302（如 weibo.com → www.weibo.com），跟随一次
+                    resp = await client.get(location, headers=WEIBO_HEADERS, cookies=cookies)
+
+                xsrf = ""
+                for c in resp.cookies.jar:
+                    if c.name == "XSRF-TOKEN":
+                        xsrf = c.value
+                        break
+
                 headers = {**WEIBO_HEADERS, "X-Requested-With": "XMLHttpRequest"}
                 if xsrf:
                     headers["X-XSRF-TOKEN"] = xsrf
@@ -490,6 +514,18 @@ async def _fetch_topics(cookies: dict) -> list:
                         params={"tabid": "231093_-_chaohua", "page": str(page)},
                         headers=headers, cookies=cookies,
                     )
+
+                    # 超话接口也可能被 302
+                    if resp.status_code in (301, 302):
+                        if attempt < max_retries - 1:
+                            wait = (attempt + 1) * 3
+                            logger.warning(f"超话接口被重定向(尝试 {attempt+1}/{max_retries})，{wait}秒后重试...")
+                            await asyncio.sleep(wait)
+                            break  # break inner loop, retry outer
+                        else:
+                            logger.warning("超话接口多次重定向，放弃")
+                            return []
+
                     try:
                         data = resp.json()
                     except Exception:
@@ -513,8 +549,20 @@ async def _fetch_topics(cookies: dict) -> list:
                     if page >= data.get("data", {}).get("max_page", 1):
                         break
                     page += 1
+                else:
+                    # while 正常结束（没有 break），说明成功
+                    if topics:
+                        return topics
+
+                # 如果有 topics 说明成功了
+                if topics:
+                    return topics
+
         except Exception as e:
-        logger.error(f"获取超话列表失败: {e}")
+            logger.error(f"获取超话列表失败(尝试 {attempt+1}/{max_retries}): {e}")
+            if attempt < max_retries - 1:
+                await asyncio.sleep(3)
+
     return topics
 
 

frontend/Dockerfile

@@ -32,6 +32,6 @@ USER appuser
 EXPOSE 5000
 
 HEALTHCHECK --interval=30s --timeout=10s --retries=3 \
-    CMD curl -f http://localhost:5000/ || exit 1
+    CMD curl -f http://localhost:5000/health || exit 1
 
 CMD ["python", "app.py"]

frontend/app.py

@@ -105,6 +105,10 @@ def index():
         return redirect(url_for('dashboard'))
     return redirect(url_for('login'))
 
+@app.route('/health')
+def health():
+    return 'ok', 200
+
 @app.route('/register', methods=['GET', 'POST'])
 def register():
     if request.method == 'POST':