提交

2026-09-04 19:05:23 +08:00
parent 76b422320b
commit 991d1bf343
10 changed files with 449 additions and 195 deletions
--- a/README.md
+++ b/README.md
@@ -14,13 +14,15 @@
 ```bash
 # 终端 1 —— 后端 API（http://localhost:8000）
 cd backend
-uv run uvicorn app.main:app --reload --port 8000
+env -u SSLKEYLOGFILE uv run uvicorn app.main:app --reload --port 8000

 # 终端 2 —— 前端开发服务器（http://localhost:5173）
 cd frontend
 pnpm dev
 ```

+> `env -u SSLKEYLOGFILE` 是本机（Windows）必需的：用户环境变量 `SSLKEYLOGFILE` 值开头混有不可见控制符，asyncpg 建连即崩。详见下文「快速开始（开发模式）」与「常见问题」。
+
 首次运行前先安装依赖：后端 `uv sync`（backend 下）、前端 `pnpm install`（frontend 下）。
 浏览器打开 http://localhost:5173 即可使用。详细说明见下文「快速开始（开发模式）」。

@@ -115,12 +117,25 @@ pip install uv

 ### 1) 后端

+实际启动命令（venv 解释器直启，日志重定向到仓库根 `backend_run.log`，改代码自动热重载）：
+
 ```bash
 cd backend
-uv sync                                    # 创建 .venv 并安装依赖（首次）
-uv run uvicorn app.main:app --reload --port 8000
+uv sync                                    # 创建 .venv 并安装依赖（仅首次）
+env -u SSLKEYLOGFILE .venv/Scripts/python.exe -m uvicorn app.main:app --reload --port 8000 > ../backend_run.log 2>&1
 ```

+看日志：`tail -f backend_run.log`；确认起没起：`curl http://localhost:8000/api/health`。
+
+等价的 `uv run` 写法（不带日志重定向，直接打到当前终端）：
+
+```bash
+cd backend
+env -u SSLKEYLOGFILE uv run uvicorn app.main:app --reload --port 8000
+```
+
+- **`env -u SSLKEYLOGFILE`（本机 Windows 必需）**：用户环境变量 `SSLKEYLOGFILE` 的值开头混有 U+202A 不可见控制符，asyncpg 建连时执行 `ssl.keylog_filename` 直接抛 `OSError: [Errno 22]`，uvicorn 启动即崩。Git Bash 下用 `env -u` 剔除即可；根治可 `setx SSLKEYLOGFILE "C:\Users\cirry\Desktop\fhzg.log"`（重开终端后不再需要前缀）。验证：`python -c "import os; print(repr(os.environ.get('SSLKEYLOGFILE')))"`。
+- **Windows `--reload` 僵死**：watcher 偶尔改文件不重载且日志无 Reloading 行，此时只能杀进程树重启——`netstat -ano | grep :8000` 找 PID，`taskkill //PID <pid> //T //F`。
 - 数据库结构由 Alembic 管理：首次部署/更新代码后先执行 `uv run alembic upgrade head`（见「初始化登录系统」）。
 - 交互式 API 文档：http://localhost:8000/docs

@@ -306,6 +321,8 @@ volumes: { pgdata: {} }
 - **真实标的首次回测慢/拉取失败**：首次需联网请求 Tushare（数秒）。Tushare 对 `adj_factor` 限频（每小时 1 次），触发时自动退化为不复权日线，不影响回测。数据已本地缓存，二次回测秒出。若 Tushare 积分不足，`uv add akshare` 后将自动用 AKShare 兜底。
 - **高价股（如茅台）回测 0 信号**：一手太贵买不起。默认初始资金已设为 100 万；如仍不够，在表单调高「初始资金」。
 - **Python 3.14 兼容**：MVP 依赖（fastapi/sqlalchemy/pandas/numpy）均已支持；指标用纯 Python 实现，不依赖 TA-Lib 的 C 库，Windows 免编译。
+- **后端启动即崩，栈在 asyncpg 深处（`OSError: [Errno 22] Invalid argument`）**：是本机环境变量 `SSLKEYLOGFILE` 值里混入的 U+202A 不可见控制符所致，不是数据库问题。Git Bash 下启动命令前加 `env -u SSLKEYLOGFILE`；或 `setx SSLKEYLOGFILE "C:\Users\cirry\Desktop\fhzg.log"` 重写该变量后重开终端。
+- **uvicorn `--reload` 改代码不生效**：Windows 下 watcher 会僵死（日志无 Reloading 行，touch 无效）。`netstat -ano | grep :8000` 找到 PID 后 `taskkill //PID <pid> //T //F` 杀进程树重启。

 ---

--- a/backend/app/api.py
+++ b/backend/app/api.py
@@ -44,6 +44,7 @@ from .models import (
    Candle,
    ScreenerQuery,
    StockBasic,
+    TradeCalendar,
    UserPreference,
    UserTrade,
    WatchlistItem,
@@ -387,13 +388,22 @@ async def stock_facets(session: AsyncSession = Depends(get_session)) -> Response


@router.get("/market/overview", response_model=MarketOverviewResponse)
-async def get_market_overview() -> MarketOverviewResponse:
-    """主页大盘总览：A 股 + 港美指数最近收盘（含迷你走势），沪深两市市值/成交统计。
-
-    收盘口径（token 无实时权限），展示时标注交易日；部分来源失败不影响其余。
+async def get_market_overview(session: AsyncSession = Depends(get_session)) -> MarketOverviewResponse:
+    """主页大盘总览：A 股 + 港美指数实时价（腾讯）叠加收盘历史走势（tushare），
+    沪深两市市值/成交统计 + 成交额历史。部分来源失败不影响其余。
    """
+    # 今日是否 A 股交易日（trade_date 为 String(8) unique 索引，等值查亚毫秒级）；
+    # DB 不可用时传 None，fetch_overview 回退 weekday 启发式
+    today8 = datetime.now().strftime("%Y%m%d")
+    is_trading_day: bool | None = None
    try:
-        data = await fetch_overview()
+        is_trading_day = bool(await session.scalar(
+            select(TradeCalendar.id).where(TradeCalendar.trade_date == today8).limit(1)
+        ))
+    except Exception:  # noqa: BLE001 —— 判定失败只影响「今日盘中 bar」是否追加
+        pass
+    try:
+        data = await fetch_overview(is_trading_day=is_trading_day)
    except MarketOverviewError as e:
        raise HTTPException(status_code=503, detail=str(e)) from e
    return MarketOverviewResponse(**data)
--- a/backend/app/config.py
+++ b/backend/app/config.py
@@ -38,7 +38,12 @@ class Settings(BaseSettings):
    redis_url: str = ""
    stocks_cache_ttl: int = 300        # 股票列表缓存秒数（行情列允许最多滞后这么多秒）
    facets_cache_ttl: int = 3600       # 行业/地域筛选项缓存秒数（stock_basic 很少变）
-    market_overview_ttl: int = 300     # 主页大盘总览缓存秒数（收盘口径数据，无需更勤）
+    # ---- 主页大盘总览（live 层腾讯实时 + EOD 层 tushare 收盘，见 data/market_overview.py）----
+    market_live_ttl: int = 30            # 腾讯实时行情进程内缓存秒数（成功）
+    market_eod_fresh_ttl: int = 14400    # EOD 层新鲜期（秒），过期走 SWR（先返旧值后台刷新）
+    market_eod_redis_ttl: int = 86400    # EOD 层 Redis TTL（SWR 陈旧值的兜底存活期）
+    tencent_quote_timeout: float = 3.0   # 腾讯行情 HTTP 超时（秒）
+    sync_stats_redis_ttl: int = 43200    # 同步状态重聚合的 Redis 缓存秒数（key 带版本号，同步完成即失效）

    # ---- LLM（智能选股的自然语言解析；DeepSeek，OpenAI 兼容协议，可换任意兼容网关）----
    llm_base_url: str = "https://api.deepseek.com"
--- a/backend/app/data/market_overview.py
+++ b/backend/app/data/market_overview.py
@@ -1,40 +1,58 @@
-"""大盘行情总览（主页展示）。
+"""大盘行情总览（主页展示）——两层结构。

- A 股指数走 pro.index_daily，全球指数走 pro.index_global（均为收盘口径，晚间更新；
-  本 token 无 rt_idx_k 实时权限，故展示「最近交易日收盘」并标注日期）。
- 两市统计走 pro.daily_info：沪市取 SH_A、深市取 SZ_MARKET 汇总出
-  总市值 / 流通市值 / 成交额（单位亿元，接口原生口径）。
- 整包结果写 Redis 缓存（TTL 可配）；单个指数拉取失败只是跳过（errors 里注明），
-  全部失败才抛 MarketOverviewError —— 主页行情是锦上添花，不拖垮整页。
+- live 层：腾讯免费实时行情（qt.gtimg.cn，一次 GET 拿全部指数现价/涨跌幅），
+  进程内缓存 30s（成功）/ 15s 负缓存（失败，防止接口抖动持续拖慢请求）。
+- EOD 层：tushare 收盘数据 —— A 股指数 pro.index_daily、全球指数 pro.index_global
+  （45 日 spark 走势）+ 两市统计/成交额历史 pro.daily_info。收盘数据一天一变，
+  进程内新鲜期 4h + Redis 兜底 24h，过期走 SWR（先返旧值，后台刷新，永不阻塞用户）。
+- merge：实时价覆盖 close/change/pct_chg（realtime=True），拿不到实时值的指数回退
+  收盘口径；今日为交易日且 EOD 尚未含今日时，用腾讯全市口径成交额追加盘中 bar。
+
+口径说明（daily_info 板块行，实测 2026-09）：
+- 沪市 SH_MARKET = 主板A + 科创板(SH_STAR) + B股，不含基金(SH_FUND)；
+  旧口径 SH_A 漏科创板（日均 ~2500 亿），是成交额偏小的根因。
+- 深市 SZ_MARKET = 主板 + 创业板，全部为股票。
+- 任何单个来源失败只是跳过（errors 里注明），全部失败才抛 MarketOverviewError。
 """
 from __future__ import annotations

 import asyncio
 import math
+import time
 from datetime import date, datetime, timedelta

+import httpx
 import pandas as pd

 from .. import cache
 from ..config import settings

-# (代码, 名称, 地区) —— 展示顺序即列表顺序
-MARKET_INDEXES: list[tuple[str, str, str]] = [
-    ("000001.SH", "上证指数", "cn"),
-    ("399001.SZ", "深证成指", "cn"),
-    ("399006.SZ", "创业板指", "cn"),
-    ("000688.SH", "科创50", "cn"),
-    ("HSI", "恒生指数", "hk"),
-    ("HKTECH", "恒生科技", "hk"),
-    ("DJI", "道琼斯", "us"),
-    ("IXIC", "纳斯达克", "us"),
-    ("SPX", "标普500", "us"),
+# (tushare代码, 名称, 地区, 腾讯符号) —— 展示顺序即列表顺序
+# 标普500 腾讯符号是 s_usINX（不是 s_usSPX）；恒生科技是 s_hkHSTECH（不是 HSTECH）
+MARKET_INDEXES: list[tuple[str, str, str, str]] = [
+    ("000001.SH", "上证指数", "cn", "s_sh000001"),
+    ("399001.SZ", "深证成指", "cn", "s_sz399001"),
+    ("399006.SZ", "创业板指", "cn", "s_sz399006"),
+    ("000688.SH", "科创50", "cn", "s_sh000688"),
+    ("HSI", "恒生指数", "hk", "s_hkHSI"),
+    ("HKTECH", "恒生科技", "hk", "s_hkHSTECH"),
+    ("DJI", "道琼斯", "us", "s_usDJI"),
+    ("IXIC", "纳斯达克", "us", "s_usIXIC"),
+    ("SPX", "标普500", "us", "s_usINX"),
 ]

+# 深证综指：不展示，仅取其 f[7]（深市全市成交额，万元）
+_TENCENT_SZ_TOTAL = "s_sz399106"
+_TENCENT_MAP = {ts_code: sym for ts_code, _, _, sym in MARKET_INDEXES}
+_TENCENT_URL = "http://qt.gtimg.cn/q=" + ",".join([*_TENCENT_MAP.values(), _TENCENT_SZ_TOTAL])
+
 _SPARK_DAYS = 45        # 迷你走势取最近 45 个交易日收盘
 _HISTORY_DAYS = 150     # 日历日窗口（约 100 个交易日，够取 spark）
 _CALL_INTERVAL = 0.12   # 顺序调用间隔（秒），对 tushare 控频
-_CACHE_KEY = "market_overview:v1"
+_EOD_KEY = "market_overview:eod:v2"   # v2：与旧整包缓存 v1 的 payload 形状不同，天然隔离
+_AMOUNT_HIST_CAL_DAYS = 190  # 成交额历史的日历日窗口（≈128 交易日）
+_AMOUNT_HIST_BARS = 120      # 输出的柱数（取尾部）
+_LIVE_FAIL_TTL = 15.0        # live 层失败负缓存（秒）


 class MarketOverviewError(RuntimeError):
@@ -66,6 +84,74 @@ def _get_pro():
    return get_pro()


+# ======================= live 层：腾讯实时行情 =======================
+
+_live: dict = {"at": 0.0, "quotes": None}   # 进程内缓存（monotonic 时钟）
+_live_error: str | None = None               # 最近一次实时拉取失败的原因（成功后清空）
+
+
+async def _fetch_live_http() -> dict[str, dict]:
+    """一次 GET 拿全部符号。响应 GBK，行如 v_s_sh000001="1~上证指数~000001~3930.12~-11.97~-0.30~537286161~93825519~~";
+
+    字段序：f[1]名称 / f[3]现价 / f[4]涨跌 / f[5]涨跌% / f[7]成交额。
+    单位陷阱：仅 s_sh000001 与 s_sz399106 的 f[7] 是「万元、全市口径」，可算两市成交额；
+    港股行的 f[7] 是手数、美股行非人民币金额，s_sz399001（深证成指）是成分股口径——都不能用。
+    """
+    async with httpx.AsyncClient(timeout=settings.tencent_quote_timeout) as client:
+        resp = await client.get(_TENCENT_URL)
+        resp.raise_for_status()
+        text = resp.content.decode("gbk", errors="replace")  # 响应头 charset 不可靠，显式解码
+
+    quotes: dict[str, dict] = {}
+    for line in text.splitlines():
+        if "=" not in line:
+            continue
+        head, _, body = line.partition("=")
+        sym = head.strip().removeprefix("v_")
+        fields = body.strip().strip(';"').split("~")
+        if not sym or len(fields) < 8:
+            continue
+
+        def _num(i: int) -> float | None:
+            try:
+                return float(fields[i])
+            except (TypeError, ValueError):
+                return None
+
+        quotes[sym] = {
+            "name": fields[1],
+            "price": _num(3),
+            "change": _num(4),
+            "pct": _num(5),
+            "amount_wan": _num(7),
+        }
+    if not quotes:
+        raise RuntimeError("腾讯行情响应为空或无法解析")
+    return quotes
+
+
+async def _fetch_live() -> dict[str, dict] | None:
+    """实时行情（进程内缓存）；任何失败返回 None，上层降级 EOD。"""
+    global _live_error
+    now = time.monotonic()
+    age = now - _live["at"]
+    if _live["quotes"] is not None and age < settings.market_live_ttl:
+        return _live["quotes"]
+    if _live["quotes"] is None and _live["at"] > 0 and age < _LIVE_FAIL_TTL:
+        return None  # 负缓存：刚失败过，短时间内不再打腾讯
+    try:
+        quotes = await _fetch_live_http()
+    except Exception as e:  # noqa: BLE001 —— 实时层是锦上添花，失败不拖垮整包
+        _live.update(at=now, quotes=None)
+        _live_error = f"实时行情: {str(e)[:60]}"
+        return None
+    _live.update(at=now, quotes=quotes)
+    _live_error = None
+    return quotes
+
+
+# ======================= EOD 层：tushare 收盘数据 =======================
+
 def _fetch_index_sync(pro, ts_code: str) -> pd.DataFrame:
    start = (datetime.now() - timedelta(days=_HISTORY_DAYS)).strftime("%Y%m%d")
    if "." in ts_code:  # A 股指数（000001.SH 形式）
@@ -91,7 +177,10 @@ def _quote_from_df(df: pd.DataFrame) -> dict | None:


 def _fetch_stats_sync(pro) -> dict | None:
-    """两市市值/成交统计：沪 SH_A + 深 SZ_MARKET（同一天口径相加，亿元）。"""
+    """两市市值/成交统计：沪 SH_MARKET（主板A+科创+B，不含基金）+ 深 SZ_MARKET（全部股票）。
+
+    口径与本地 candles 全市场 sum(amount) 吻合（candles 另含北交所，约 +70 亿）。
+    """
    start = (datetime.now() - timedelta(days=14)).strftime("%Y%m%d")
    sh = pro.daily_info(exchange="SH", start_date=start)
    sz = pro.daily_info(exchange="SZ", start_date=start)
@@ -102,14 +191,14 @@ def _fetch_stats_sync(pro) -> dict | None:
        sub = df[df["ts_code"] == code].sort_values("trade_date")  # 接口不保证有序
        return sub.iloc[-1] if not sub.empty else None

-    sh_a, sz_m = _board(sh, "SH_A"), _board(sz, "SZ_MARKET")
-    if sh_a is None or sz_m is None:
+    sh_m, sz_m = _board(sh, "SH_MARKET"), _board(sz, "SZ_MARKET")
+    if sh_m is None or sz_m is None:
        return None
    # 两边各自取最新，日期不一致时以较旧一天为准凑齐口径（罕见，通常同日）
-    d = min(_d(sh_a["trade_date"]), _d(sz_m["trade_date"]))
+    d = min(_d(sh_m["trade_date"]), _d(sz_m["trade_date"]))

    def _sum(col: str) -> float | None:
-        a, b = _f(sh_a.get(col)), _f(sz_m.get(col))
+        a, b = _f(sh_m.get(col)), _f(sz_m.get(col))
        return None if a is None or b is None else round(a + b, 2)

    return {
@@ -117,21 +206,42 @@ def _fetch_stats_sync(pro) -> dict | None:
        "total_mv": _sum("total_mv"),
        "float_mv": _sum("float_mv"),
        "amount": _sum("amount"),
-        "turnover": _f(sh_a.get("tr")),  # 换手率仅沪市有，展示口径注明沪市
+        "turnover": _f(sh_m.get("tr")),  # 换手率仅沪市有，展示口径注明沪市
    }


-async def fetch_overview() -> dict:
-    """聚合全部指数 + 两市统计（Redis 缓存整包，TTL 内直接回）。"""
-    cached = await cache.cache_get(_CACHE_KEY)
-    if cached is not None:
-        return cached
+def _fetch_amount_history_sync(pro) -> list[dict]:
+    """两市成交额历史：daily_info 范围查询一次拉多日（SH 6 个月实测 0.09s），
+    沪 SH_MARKET + 深 SZ_MARKET 按日对齐相加（接口原生亿元），升序取尾部 120 根。"""
+    start = (datetime.now() - timedelta(days=_AMOUNT_HIST_CAL_DAYS)).strftime("%Y%m%d")
+    sh = pro.daily_info(exchange="SH", start_date=start)
+    sz = pro.daily_info(exchange="SZ", start_date=start)
+    if sh is None or sh.empty or sz is None or sz.empty:
+        return []
+    sh_m = sh[sh["ts_code"] == "SH_MARKET"].set_index("trade_date")["amount"]
+    sz_m = sz[sz["ts_code"] == "SZ_MARKET"].set_index("trade_date")["amount"]
+    common = sh_m.index.intersection(sz_m.index)  # 内连接：两市都有数据的交易日
+    if len(common) == 0:
+        return []
+    total = (sh_m[common] + sz_m[common]).sort_index()
+    return [{"date": _d(d), "amount": round(float(v), 2)} for d, v in total.tail(_AMOUNT_HIST_BARS).items()]

+
+# ---- EOD 的 SWR（stale-while-revalidate）：新鲜期内直返；过期先返旧值后台刷新 ----
+
+_eod_state: dict = {"payload": None}  # 进程内新鲜/陈旧兜底（payload 自带 fetched_ts 墙钟）
+_eod_refreshing = False               # 后台刷新防重入标志
+_eod_refresh_error: str | None = None  # 最近一次后台刷新失败的原因
+_bg_tasks: set[asyncio.Task] = set()   # 持引用防 GC
+
+
+async def _refresh_eod() -> dict:
+    """拉全量 EOD（9 指数 + 统计 + 成交额历史，顺序控频），写进程内 state + Redis。"""
    pro = await asyncio.to_thread(_get_pro)

    indexes: list[dict] = []
    errors: list[str] = []
-    for ts_code, name, region in MARKET_INDEXES:
+    for ts_code, name, region, _sym in MARKET_INDEXES:
        try:
            df = await asyncio.to_thread(_fetch_index_sync, pro, ts_code)
            q = _quote_from_df(df)
@@ -152,11 +262,112 @@ async def fetch_overview() -> dict:
    except Exception as e:  # noqa: BLE001 —— 统计缺失时指数照常展示
        errors.append(f"两市统计: {str(e)[:60]}")

+    amount_history: list[dict] = []
+    try:
+        await asyncio.sleep(_CALL_INTERVAL)
+        amount_history = await asyncio.to_thread(_fetch_amount_history_sync, pro)
+    except Exception as e:  # noqa: BLE001 —— 历史图缺数据时其余照常
+        errors.append(f"成交额历史: {str(e)[:60]}")
+
    payload = {
-        "updated_at": datetime.now().isoformat(),  # 字符串：cache_set 走 json.dumps
+        "fetched_at": datetime.now().isoformat(),
+        "fetched_ts": time.time(),  # 墙钟（epoch float）：跨进程（Redis）判新鲜度用
        "indexes": indexes,
        "stats": stats,
+        "amount_history": amount_history,
        "errors": errors,
    }
-    await cache.cache_set(_CACHE_KEY, payload, ttl=settings.market_overview_ttl)
+    _eod_state["payload"] = payload
+    await cache.cache_set(_EOD_KEY, payload, ttl=settings.market_eod_redis_ttl)
    return payload
+
+
+async def _refresh_eod_wrapped() -> None:
+    """后台刷新的主体：失败静默保留旧值并记录原因（下次请求并入 errors 便于排查）。"""
+    global _eod_refresh_error, _eod_refreshing
+    try:
+        await _refresh_eod()
+        _eod_refresh_error = None
+    except Exception as e:  # noqa: BLE001
+        _eod_refresh_error = f"EOD后台刷新: {str(e)[:60]}"
+    finally:
+        _eod_refreshing = False
+
+
+def _spawn_eod_refresh() -> None:
+    global _eod_refreshing
+    if _eod_refreshing:
+        return
+    _eod_refreshing = True
+    task = asyncio.create_task(_refresh_eod_wrapped())
+    _bg_tasks.add(task)
+    task.add_done_callback(_bg_tasks.discard)
+
+
+async def _get_eod() -> dict:
+    """读 EOD：内存新鲜直返（0 RTT）→ Redis 回填 → 有旧值先返 + SWR 后台刷新 → 真冷启动同步拉。"""
+    p = _eod_state["payload"]
+    if p is not None and time.time() - p["fetched_ts"] < settings.market_eod_fresh_ttl:
+        return p
+    if p is None:
+        cached = await cache.cache_get(_EOD_KEY)
+        if cached:
+            p = cached
+            _eod_state["payload"] = p
+    if p is not None:
+        _spawn_eod_refresh()  # 陈旧但可用：立即返回，后台拉新
+        return p
+    return await _refresh_eod()  # 首次访问：同步等（~3.5s，与旧行为一致）
+
+
+# ======================= merge：实时叠加收盘 =======================
+
+async def fetch_overview(is_trading_day: bool | None = None) -> dict:
+    """聚合 live + EOD。实时价覆盖 close/change/pct_chg（realtime=True），今日实时成交额
+    （腾讯全市口径）在 EOD 尚未含今日时追加为盘中 bar。响应不再整包缓存：两层各有
+    进程内缓存，合并是 O(10) 操作，热路径 0 外部 RTT。"""
+    eod = await _get_eod()
+    live = await _fetch_live()
+    today_iso = date.today().isoformat()
+
+    indexes: list[dict] = []
+    for it in eod["indexes"]:
+        out = dict(it)
+        sym = _TENCENT_MAP.get(it["code"])
+        q = live.get(sym) if (live and sym) else None
+        if q and q.get("price") is not None:
+            # spark 永远来自 EOD（末点是上一收盘点，与实时价并存是已知的装饰性差异，不改历史序列）
+            out.update(close=q["price"], change=q["change"], pct_chg=q["pct"],
+                       trade_date=today_iso, realtime=True)
+        else:
+            out["realtime"] = False
+        indexes.append(out)
+
+    stats = dict(eod["stats"]) if eod.get("stats") else None
+    history = list(eod.get("amount_history") or [])
+
+    # 今日实时两市成交额：沪深全市口径（万元->亿）。EOD 已含今日、非交易日、金额缺失时不追加。
+    if live and stats and stats.get("trade_date") != today_iso:
+        if is_trading_day is None:
+            is_trading_day = datetime.now().weekday() < 5  # 日历判定不可用时的降级启发式
+        if is_trading_day:
+            sh_amt = (live.get("s_sh000001") or {}).get("amount_wan")
+            sz_amt = (live.get(_TENCENT_SZ_TOTAL) or {}).get("amount_wan")
+            if sh_amt is not None and sz_amt is not None:
+                amt = round((sh_amt + sz_amt) / 10000, 2)
+                stats["amount_today"] = amt
+                history.append({"date": today_iso, "amount": amt, "intraday": True})
+
+    errors = list(eod.get("errors") or [])
+    if _eod_refresh_error:
+        errors.append(_eod_refresh_error)
+    if _live_error:
+        errors.append(_live_error)
+
+    return {
+        "updated_at": datetime.now().isoformat(),
+        "indexes": indexes,
+        "stats": stats,
+        "amount_history": history,
+        "errors": errors,
+    }
--- a/backend/app/schemas.py
+++ b/backend/app/schemas.py
@@ -383,24 +383,34 @@ class IndexQuoteOut(BaseModel):
    close: float | None = None
    change: float | None = None
    pct_chg: float | None = None
-    trade_date: date | None = None   # 最近交易日（收盘口径）
+    trade_date: date | None = None   # 行情归属交易日（实时时为当天）
    spark: list[float] = []          # 近 N 日收盘（旧 -> 新），迷你走势用
    spark_dates: list[str] = []      # 与 spark 对齐的交易日（YYYYMMDD），hover 提示用
+    realtime: bool = False           # True=盘中实时（腾讯），False=最近收盘（tushare EOD）


 class MarketStatsOut(BaseModel):
-    """沪深两市汇总（daily_info：沪 SH_A + 深 SZ_MARKET，亿元）。"""
+    """沪深两市汇总（daily_info：沪 SH_MARKET(主板A+科创+B) + 深 SZ_MARKET，不含基金/北交所，亿元）。"""
    trade_date: date | None = None
    total_mv: float | None = None    # 总市值（亿元）
    float_mv: float | None = None    # 流通市值（亿元）
-    amount: float | None = None      # 两市成交额（亿元）
+    amount: float | None = None      # 两市成交额（亿元，EOD）
    turnover: float | None = None    # 换手率 %（沪市口径）
+    amount_today: float | None = None  # 当日实时两市成交额（亿元，腾讯；收盘后为当日终值）
+
+
+class AmountBarOut(BaseModel):
+    """两市成交额历史的一根柱（亿元）。"""
+    date: date
+    amount: float
+    intraday: bool = False           # True=当日实时口径（尚未并入 EOD）


 class MarketOverviewResponse(BaseModel):
    updated_at: datetime
    indexes: list[IndexQuoteOut] = []
    stats: MarketStatsOut | None = None
+    amount_history: list[AmountBarOut] = []  # 近 N 交易日两市成交额（旧 -> 新，末根可能盘中）
    errors: list[str] = []           # 部分来源失败的说明（透明但不阻塞展示）


--- a/backend/app/screener/market_sync.py
+++ b/backend/app/screener/market_sync.py
@@ -339,6 +339,13 @@ async def _run_sync(days: int, force: bool) -> None:

        # candles/复权因子已更新：作废旧 K 线预览缓存（键含版本号，自增即全体失效）
        await cache.bump_version("candles")
+        # 预热同步状态缓存：同步任务自己付一次重聚合（>10s），轮询方毫秒级拿到新数字
+        _sync_state["step"] = "正在更新统计缓存"
+        try:
+            async with async_session() as s2:
+                await _db_stats(s2)
+        except Exception:  # noqa: BLE001 —— 预热失败只影响下一次轮询的时延
+            pass
        _sync_state["step"] = "同步完成"
    except Exception as e:  # noqa: BLE001
        _sync_state["error"] = f"同步失败：{str(e)[:300]}"
@@ -362,31 +369,56 @@ async def start_sync(session: AsyncSession, days: int, force: bool) -> dict:
    return dict(_sync_state)


-# candles 是千万行表，count 较重；前端每 2s 轮询状态，需 TTL 缓存降载
-_status_stats_cache: dict = {"at": 0.0, "data": None}
-_STATS_TTL = 30.0
+# candles 是千万行表，重聚合（全表 count / distinct 日期）在远程库实测 >11s；
+# 结果按 ver:candles 版本号缓存（同步完成即 bump 失效），前端 2s 轮询只付毫秒级。
+_status_stats_cache: dict = {"at": 0.0, "ver": -1, "data": None}
+_STATS_TTL = 120.0  # 进程内兜底 TTL（Redis 不可用时重聚合的最小间隔）
+_stats_bg_tasks: set[asyncio.Task] = set()  # 后台写缓存的引用，防 GC
+_stats_lock = asyncio.Lock()  # 单飞锁：同步尾部的预热与轮询并发时，重聚合只跑一次


-async def _db_stats(session: AsyncSession) -> dict:
-    """candles/快照/股票列表实况（30s TTL 缓存）。"""
-    now = time.time()
-    if _status_stats_cache["data"] is not None and now - _status_stats_cache["at"] < _STATS_TTL:
-        return _status_stats_cache["data"]
+async def _heavy_stats(session: AsyncSession) -> dict:
+    """重聚合：行数/日期数。4 条查询走千万行表（>11s），绝不能落在轮询热路径上。"""
    stocks = int(await session.scalar(select(func.count()).select_from(StockBasic)) or 0)
    daily_rows = int(await session.scalar(select(func.count()).select_from(Candle)) or 0)
    snap_rows = int(await session.scalar(select(func.count()).select_from(DailySnapshot)) or 0)
-    last_daily = await session.scalar(
-        select(func.max(Candle.ts)).where(Candle.timeframe == "1d")
-    )
    n_dates = int(await session.scalar(
        select(func.count(func.distinct(func.date(Candle.ts)))).where(Candle.timeframe == "1d")
    ) or 0)
-    data = {
-        "stocks": stocks, "daily_rows": daily_rows, "snapshot_rows": snap_rows,
-        "last_daily": last_daily, "dates": n_dates,
+    return {
+        "stocks": stocks, "daily_rows": daily_rows,
+        "snapshot_rows": snap_rows, "dates": n_dates,
    }
-    _status_stats_cache.update(at=now, data=data)
-    return data
+
+
+async def _db_stats(session: AsyncSession) -> dict:
+    """candles/快照/股票列表实况：重聚合走「版本化 Redis + 进程内」双层缓存，
+    last_daily（max(ts)，走索引很快）保持每次实时——它是 UI 主展示字段。"""
+
+    def _fresh_local(ver: int) -> dict | None:
+        d = _status_stats_cache["data"]
+        if d is not None and _status_stats_cache["ver"] == ver \
+                and time.time() - _status_stats_cache["at"] < _STATS_TTL:
+            return d
+        return None
+
+    ver = await cache.get_version("candles")
+    heavy = _fresh_local(ver)
+    if heavy is None:
+        async with _stats_lock:  # 双检：等锁期间可能已被并发请求/同步预热填充
+            heavy = _fresh_local(ver) or await cache.cache_get(f"syncstats:v{ver}")
+            if heavy is None:
+                heavy = await _heavy_stats(session)
+                # 写 Redis 后台执行，失败由 cache 层静默降级，不拖慢本次返回
+                task = asyncio.create_task(
+                    cache.cache_set(f"syncstats:v{ver}", heavy, ttl=settings.sync_stats_redis_ttl))
+                _stats_bg_tasks.add(task)
+                task.add_done_callback(_stats_bg_tasks.discard)
+            _status_stats_cache.update(at=time.time(), ver=ver, data=heavy)
+    last_daily = await session.scalar(
+        select(func.max(Candle.ts)).where(Candle.timeframe == "1d")
+    )
+    return {**heavy, "last_daily": last_daily}


 async def get_sync_status(session: AsyncSession) -> dict:
--- a/backend_run.log
+++ b/backend_run.log
@@ -1,103 +1,70 @@
-INFO:     Started server process [42884]
+INFO:     Will watch for changes in these directories: ['D:\\Project\\stock\\backend']
+INFO:     Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
+INFO:     Started reloader process [2136] using WatchFiles
+INFO:     Started server process [3296]
 INFO:     Waiting for application startup.
 INFO:     Application startup complete.
-INFO:     Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
-INFO:     127.0.0.1:60648 - "GET /api/auth/me HTTP/1.1" 401 Unauthorized
-INFO:     127.0.0.1:62525 - "POST /api/auth/login HTTP/1.1" 200 OK
-INFO:     127.0.0.1:62531 - "GET /api/preferences HTTP/1.1" 200 OK
-INFO:     127.0.0.1:62573 - "GET /api/screener/queries?limit=20 HTTP/1.1" 200 OK
-INFO:     127.0.0.1:62746 - "POST /api/screener/run HTTP/1.1" 200 OK
-INFO:     127.0.0.1:62747 - "GET /api/screener/queries?limit=20 HTTP/1.1" 200 OK
-INFO:     127.0.0.1:64917 - "GET /api/watchlist HTTP/1.1" 200 OK
-INFO:     127.0.0.1:64915 - "GET /api/trades?ts_code=601398.SH HTTP/1.1" 200 OK
-INFO:     127.0.0.1:64916 - "GET /api/screener/preview/601398.SH?limit=500&adjust=qfq&timeframe=1d HTTP/1.1" 200 OK
-INFO:     127.0.0.1:64933 - "GET /api/screener/preview/601398.SH?limit=800&adjust=qfq&timeframe=1d&end=2024-08-12 HTTP/1.1" 200 OK
-INFO:     127.0.0.1:64942 - "GET /api/screener/preview/601398.SH?limit=800&adjust=qfq&timeframe=1d&end=2024-08-12 HTTP/1.1" 200 OK
-INFO:     127.0.0.1:64947 - "GET /api/trades?ts_code=601939.SH HTTP/1.1" 200 OK
-INFO:     127.0.0.1:64949 - "GET /api/screener/preview/601939.SH?limit=500&adjust=qfq&timeframe=1d HTTP/1.1" 200 OK
-INFO:     127.0.0.1:64958 - "GET /api/trades?ts_code=601288.SH HTTP/1.1" 200 OK
-INFO:     127.0.0.1:64954 - "GET /api/screener/preview/601939.SH?limit=800&adjust=qfq&timeframe=1d&end=2024-08-12 HTTP/1.1" 200 OK
-INFO:     127.0.0.1:64964 - "GET /api/screener/preview/601288.SH?limit=500&adjust=qfq&timeframe=1d HTTP/1.1" 200 OK
-INFO:     127.0.0.1:64965 - "GET /api/screener/preview/601288.SH?limit=800&adjust=qfq&timeframe=1d&end=2024-08-12 HTTP/1.1" 200 OK
-INFO:     127.0.0.1:64970 - "GET /api/trades?ts_code=600941.SH HTTP/1.1" 200 OK
-INFO:     127.0.0.1:64971 - "GET /api/screener/preview/600941.SH?limit=500&adjust=qfq&timeframe=1d HTTP/1.1" 200 OK
-INFO:     127.0.0.1:64982 - "GET /api/trades?ts_code=601988.SH HTTP/1.1" 200 OK
-INFO:     127.0.0.1:64978 - "GET /api/screener/preview/600941.SH?limit=800&adjust=qfq&timeframe=1d&end=2024-08-12 HTTP/1.1" 200 OK
-INFO:     127.0.0.1:64983 - "GET /api/screener/preview/601988.SH?limit=500&adjust=qfq&timeframe=1d HTTP/1.1" 200 OK
-INFO:     127.0.0.1:64987 - "GET /api/screener/preview/601988.SH?limit=800&adjust=qfq&timeframe=1d&end=2024-08-12 HTTP/1.1" 200 OK
-INFO:     127.0.0.1:64992 - "GET /api/trades?ts_code=601857.SH HTTP/1.1" 200 OK
-INFO:     127.0.0.1:64993 - "GET /api/screener/preview/601857.SH?limit=500&adjust=qfq&timeframe=1d HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65001 - "GET /api/trades?ts_code=600938.SH HTTP/1.1" 200 OK
-INFO:     127.0.0.1:64997 - "GET /api/screener/preview/601857.SH?limit=800&adjust=qfq&timeframe=1d&end=2024-08-12 HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65004 - "GET /api/screener/preview/600938.SH?limit=500&adjust=qfq&timeframe=1d HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65008 - "GET /api/screener/preview/600938.SH?limit=800&adjust=qfq&timeframe=1d&end=2024-08-12 HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65014 - "GET /api/trades?ts_code=601628.SH HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65016 - "GET /api/screener/preview/601628.SH?limit=500&adjust=qfq&timeframe=1d HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65023 - "GET /api/screener/preview/601628.SH?limit=800&adjust=qfq&timeframe=1d&end=2024-08-12 HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65025 - "GET /api/trades?ts_code=601088.SH HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65028 - "GET /api/screener/preview/601088.SH?limit=500&adjust=qfq&timeframe=1d HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65029 - "GET /api/screener/preview/601088.SH?limit=800&adjust=qfq&timeframe=1d&end=2024-07-29 HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65037 - "GET /api/trades?ts_code=600036.SH HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65038 - "GET /api/screener/preview/600036.SH?limit=500&adjust=qfq&timeframe=1d HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65040 - "GET /api/screener/preview/600036.SH?limit=800&adjust=qfq&timeframe=1d&end=2024-08-12 HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65046 - "GET /api/trades?ts_code=601318.SH HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65047 - "GET /api/screener/preview/601318.SH?limit=500&adjust=qfq&timeframe=1d HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65057 - "GET /api/screener/preview/601318.SH?limit=800&adjust=qfq&timeframe=1d&end=2024-08-12 HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65060 - "GET /api/trades?ts_code=600900.SH HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65063 - "GET /api/screener/preview/600900.SH?limit=500&adjust=qfq&timeframe=1d HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65064 - "GET /api/screener/preview/600900.SH?limit=800&adjust=qfq&timeframe=1d&end=2024-08-12 HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65075 - "GET /api/trades?ts_code=688256.SH HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65076 - "GET /api/screener/preview/688256.SH?limit=500&adjust=qfq&timeframe=1d HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65078 - "GET /api/screener/preview/688256.SH?limit=800&adjust=qfq&timeframe=1d&end=2024-08-12 HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65085 - "GET /api/trades?ts_code=601658.SH HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65086 - "GET /api/screener/preview/601658.SH?limit=500&adjust=qfq&timeframe=1d HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65090 - "GET /api/screener/preview/601658.SH?limit=800&adjust=qfq&timeframe=1d&end=2024-08-12 HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65100 - "GET /api/trades?ts_code=000333.SZ HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65101 - "GET /api/screener/preview/000333.SZ?limit=500&adjust=qfq&timeframe=1d HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65104 - "GET /api/screener/preview/000333.SZ?limit=800&adjust=qfq&timeframe=1d&end=2024-08-12 HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65108 - "GET /api/trades?ts_code=600028.SH HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65110 - "GET /api/screener/preview/600028.SH?limit=500&adjust=qfq&timeframe=1d HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65114 - "GET /api/screener/preview/600028.SH?limit=800&adjust=qfq&timeframe=1d&end=2024-08-12 HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65123 - "GET /api/trades?ts_code=601328.SH HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65125 - "GET /api/screener/preview/601328.SH?limit=500&adjust=qfq&timeframe=1d HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65140 - "GET /api/screener/preview/601328.SH?limit=800&adjust=qfq&timeframe=1d&end=2024-08-12 HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65144 - "GET /api/trades?ts_code=601728.SH HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65148 - "GET /api/screener/preview/601728.SH?limit=500&adjust=qfq&timeframe=1d HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65149 - "GET /api/screener/preview/601728.SH?limit=800&adjust=qfq&timeframe=1d&end=2024-08-12 HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65154 - "GET /api/trades?ts_code=601998.SH HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65155 - "GET /api/screener/preview/601998.SH?limit=500&adjust=qfq&timeframe=1d HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65160 - "GET /api/screener/preview/601998.SH?limit=800&adjust=qfq&timeframe=1d&end=2024-08-12 HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65164 - "GET /api/trades?ts_code=002475.SZ HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65168 - "GET /api/screener/preview/002475.SZ?limit=500&adjust=qfq&timeframe=1d HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65169 - "GET /api/screener/preview/002475.SZ?limit=800&adjust=qfq&timeframe=1d&end=2024-08-12 HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65176 - "GET /api/trades?ts_code=600183.SH HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65177 - "GET /api/screener/preview/600183.SH?limit=500&adjust=qfq&timeframe=1d HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65180 - "GET /api/screener/preview/600183.SH?limit=800&adjust=qfq&timeframe=1d&end=2024-08-12 HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65187 - "GET /api/trades?ts_code=601319.SH HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65188 - "GET /api/screener/preview/601319.SH?limit=500&adjust=qfq&timeframe=1d HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65190 - "GET /api/screener/preview/601319.SH?limit=800&adjust=qfq&timeframe=1d&end=2024-08-12 HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65196 - "GET /api/trades?ts_code=601869.SH HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65197 - "GET /api/screener/preview/601869.SH?limit=500&adjust=qfq&timeframe=1d HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65201 - "GET /api/screener/preview/601869.SH?limit=800&adjust=qfq&timeframe=1d&end=2024-08-12 HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65207 - "GET /api/trades?ts_code=601601.SH HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65208 - "GET /api/screener/preview/601601.SH?limit=500&adjust=qfq&timeframe=1d HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65212 - "GET /api/screener/preview/601601.SH?limit=800&adjust=qfq&timeframe=1d&end=2024-08-12 HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65217 - "GET /api/trades?ts_code=600000.SH HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65220 - "GET /api/screener/preview/600000.SH?limit=500&adjust=qfq&timeframe=1d HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65221 - "GET /api/screener/preview/600000.SH?limit=800&adjust=qfq&timeframe=1d&end=2024-08-12 HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65226 - "GET /api/trades?ts_code=601225.SH HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65227 - "GET /api/screener/preview/601225.SH?limit=500&adjust=qfq&timeframe=1d HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65232 - "GET /api/screener/preview/601225.SH?limit=800&adjust=qfq&timeframe=1d&end=2024-08-12 HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65237 - "GET /api/trades?ts_code=688808.SH HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65239 - "GET /api/screener/preview/688808.SH?limit=500&adjust=qfq&timeframe=1d HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65246 - "GET /api/trades?ts_code=002714.SZ HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65247 - "GET /api/screener/preview/002714.SZ?limit=500&adjust=qfq&timeframe=1d HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65249 - "GET /api/screener/preview/002714.SZ?limit=800&adjust=qfq&timeframe=1d&end=2024-08-12 HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65256 - "GET /api/screener/preview/688808.SH?limit=500&adjust=qfq&timeframe=1d HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65255 - "GET /api/trades?ts_code=688808.SH HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65278 - "GET /api/screener/preview/002714.SZ?limit=500&adjust=qfq&timeframe=1d HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65277 - "GET /api/trades?ts_code=002714.SZ HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65282 - "GET /api/screener/preview/002714.SZ?limit=800&adjust=qfq&timeframe=1d&end=2024-08-12 HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65285 - "GET /api/trades?ts_code=600309.SH HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65288 - "GET /api/screener/preview/600309.SH?limit=500&adjust=qfq&timeframe=1d HTTP/1.1" 200 OK
-INFO:     127.0.0.1:65292 - "GET /api/screener/preview/600309.SH?limit=800&adjust=qfq&timeframe=1d&end=2024-08-12 HTTP/1.1" 200 OK
+INFO:     127.0.0.1:48937 - "GET /api/health HTTP/1.1" 200 OK
+INFO:     127.0.0.1:49077 - "GET /api/auth/me HTTP/1.1" 200 OK
+INFO:     127.0.0.1:49092 - "GET /api/preferences HTTP/1.1" 200 OK
+INFO:     127.0.0.1:49093 - "GET /api/market/overview HTTP/1.1" 200 OK
+INFO:     127.0.0.1:49094 - "GET /api/screener/sync/status HTTP/1.1" 200 OK
+WARNING:  WatchFiles detected changes in 'scripts\diag_market_sources.py'. Reloading...
+ INFO:     127.0.0.1:52219 - "GET /api/auth/me HTTP/1.1" 200 OK
+INFO:     127.0.0.1:52237 - "GET /api/preferences HTTP/1.1" 200 OK
+INFO:     127.0.0.1:52238 - "GET /api/market/overview HTTP/1.1" 200 OK
+INFO:     127.0.0.1:52239 - "GET /api/screener/sync/status HTTP/1.1" 200 OK
+INFO:     127.0.0.1:52861 - "GET /api/auth/me HTTP/1.1" 200 OK
+INFO:     127.0.0.1:52871 - "GET /api/preferences HTTP/1.1" 200 OK
+INFO:     127.0.0.1:52876 - "GET /api/market/overview HTTP/1.1" 200 OK
+INFO:     127.0.0.1:52883 - "GET /api/screener/sync/status HTTP/1.1" 200 OK
+INFO:     127.0.0.1:53667 - "GET /api/auth/me HTTP/1.1" 200 OK
+INFO:     127.0.0.1:53671 - "GET /api/market/overview HTTP/1.1" 200 OK
+INFO:     127.0.0.1:53670 - "GET /api/preferences HTTP/1.1" 200 OK
+INFO:     127.0.0.1:53678 - "GET /api/screener/sync/status HTTP/1.1" 200 OK
+INFO:     127.0.0.1:53710 - "GET /api/market/overview HTTP/1.1" 200 OK
+INFO:     127.0.0.1:53753 - "GET /api/market/overview HTTP/1.1" 200 OK
+INFO:     127.0.0.1:54745 - "GET /api/health HTTP/1.1" 200 OK
+INFO:     127.0.0.1:54746 - "POST /api/auth/login HTTP/1.1" 200 OK
+INFO:     127.0.0.1:59489 - "GET /api/auth/me HTTP/1.1" 200 OK
+INFO:     127.0.0.1:59506 - "GET /api/preferences HTTP/1.1" 200 OK
+INFO:     127.0.0.1:59507 - "GET /api/market/overview HTTP/1.1" 200 OK
+INFO:     127.0.0.1:59508 - "GET /api/screener/sync/status HTTP/1.1" 200 OK
+INFO:     127.0.0.1:59720 - "GET /api/auth/me HTTP/1.1" 200 OK
+INFO:     127.0.0.1:59721 - "GET /api/preferences HTTP/1.1" 200 OK
+INFO:     127.0.0.1:59727 - "GET /api/market/overview HTTP/1.1" 200 OK
+INFO:     127.0.0.1:59739 - "GET /api/auth/me HTTP/1.1" 200 OK
+INFO:     127.0.0.1:59740 - "GET /api/preferences HTTP/1.1" 200 OK
+INFO:     127.0.0.1:59748 - "GET /api/market/overview HTTP/1.1" 200 OK
+INFO:     127.0.0.1:59753 - "GET /api/auth/me HTTP/1.1" 200 OK
+INFO:     127.0.0.1:59756 - "GET /api/market/overview HTTP/1.1" 200 OK
+INFO:     127.0.0.1:59754 - "GET /api/preferences HTTP/1.1" 200 OK
+INFO:     127.0.0.1:59771 - "GET /api/auth/me HTTP/1.1" 200 OK
+INFO:     127.0.0.1:59778 - "GET /api/market/overview HTTP/1.1" 200 OK
+INFO:     127.0.0.1:59777 - "GET /api/preferences HTTP/1.1" 200 OK
+INFO:     127.0.0.1:59730 - "GET /api/screener/sync/status HTTP/1.1" 200 OK
+INFO:     127.0.0.1:59749 - "GET /api/screener/sync/status HTTP/1.1" 200 OK
+INFO:     127.0.0.1:59760 - "GET /api/screener/sync/status HTTP/1.1" 200 OK
+INFO:     127.0.0.1:59779 - "GET /api/screener/sync/status HTTP/1.1" 200 OK
+INFO:     127.0.0.1:13210 - "GET /api/health HTTP/1.1" 200 OK
+INFO:     127.0.0.1:16263 - "GET /api/auth/me HTTP/1.1" 200 OK
+INFO:     127.0.0.1:16275 - "GET /api/preferences HTTP/1.1" 200 OK
+INFO:     127.0.0.1:16276 - "GET /api/market/overview HTTP/1.1" 200 OK
+INFO:     127.0.0.1:16303 - "GET /api/auth/me HTTP/1.1" 200 OK
+INFO:     127.0.0.1:16309 - "GET /api/market/overview HTTP/1.1" 200 OK
+INFO:     127.0.0.1:16308 - "GET /api/preferences HTTP/1.1" 200 OK
+INFO:     127.0.0.1:16319 - "GET /api/auth/me HTTP/1.1" 200 OK
+INFO:     127.0.0.1:16322 - "GET /api/market/overview HTTP/1.1" 200 OK
+INFO:     127.0.0.1:16320 - "GET /api/preferences HTTP/1.1" 200 OK
+INFO:     127.0.0.1:16349 - "GET /api/auth/me HTTP/1.1" 200 OK
+INFO:     127.0.0.1:16357 - "GET /api/market/overview HTTP/1.1" 200 OK
+INFO:     127.0.0.1:16352 - "GET /api/preferences HTTP/1.1" 200 OK
+INFO:     127.0.0.1:16310 - "GET /api/screener/sync/status HTTP/1.1" 200 OK
+INFO:     127.0.0.1:16277 - "GET /api/screener/sync/status HTTP/1.1" 200 OK
+INFO:     127.0.0.1:16325 - "GET /api/screener/sync/status HTTP/1.1" 200 OK
+INFO:     127.0.0.1:16358 - "GET /api/screener/sync/status HTTP/1.1" 200 OK
+INFO:     127.0.0.1:16598 - "POST /api/auth/login HTTP/1.1" 200 OK
+INFO:     127.0.0.1:16599 - "GET /api/market/overview HTTP/1.1" 200 OK
+INFO:     127.0.0.1:16600 - "GET /api/market/overview HTTP/1.1" 200 OK
+INFO:     127.0.0.1:16601 - "GET /api/market/overview HTTP/1.1" 200 OK
+INFO:     127.0.0.1:16602 - "GET /api/market/overview HTTP/1.1" 200 OK
--- a/frontend/src/api/types.ts
+++ b/frontend/src/api/types.ts
@@ -388,22 +388,31 @@ export interface IndexQuote {
  close: number | null;
  change: number | null;
  pct_chg: number | null;
-  trade_date: string | null;           // 最近交易日（ISO）
+  trade_date: string | null;           // 行情归属交易日（ISO；实时时为当天）
  spark: number[];                     // 近 N 日收盘（旧 -> 新）
  spark_dates: string[];               // 与 spark 对齐的交易日（YYYYMMDD）
+  realtime?: boolean;                  // true=盘中实时（腾讯），false=最近收盘（EOD）
 }

 export interface MarketStats {
  trade_date: string | null;
  total_mv: number | null;             // 沪深总市值（亿元）
  float_mv: number | null;             // 沪深流通市值（亿元）
-  amount: number | null;               // 两市成交额（亿元）
+  amount: number | null;               // 两市成交额（亿元，EOD）
  turnover: number | null;             // 换手率 %（沪市口径）
+  amount_today?: number | null;        // 当日实时两市成交额（亿元；收盘后为当日终值）
+}
+
+export interface AmountBar {
+  date: string;                        // ISO 日期
+  amount: number;                      // 两市成交额（亿元）
+  intraday?: boolean;                  // true=当日实时口径（尚未并入 EOD）
 }

 export interface MarketOverview {
  updated_at: string;
  indexes: IndexQuote[];
  stats: MarketStats | null;
+  amount_history: AmountBar[];         // 近 N 交易日两市成交额（旧 -> 新，末根可能盘中）
  errors: string[];
 }
--- a/frontend/src/components/MarketOverview.vue
+++ b/frontend/src/components/MarketOverview.vue
@@ -4,6 +4,8 @@ import { computed, onMounted, reactive, ref } from 'vue';
 import { getMarketOverview } from '@/api/client';
 import type { IndexQuote, MarketOverview as Overview } from '@/api/types';

+import AmountHistoryChart from '@/components/AmountHistoryChart.vue';
+
 // 主页大盘总览：A 股 + 港美指数最近收盘（收盘口径，标注交易日），沪深两市市值/成交统计。
 // 数据为 EOD 口径，进页面拉一次 + 手动刷新即可，不做轮询。

@@ -119,7 +121,7 @@ function hoverText(it: IndexQuote): string {
  <section class="mb-12" aria-label="大盘行情总览">
    <div class="mb-3 flex items-baseline justify-between">
      <h2 class="text-sm font-medium text-[#A8AFB8]">大盘行情
-        <span class="ml-2 text-xs font-normal text-[#6B7280]">收盘口径 · 每晚更新</span>
+        <span class="ml-2 text-xs font-normal text-[#6B7280]">实时行情 · 收盘走势</span>
      </h2>
      <div class="flex items-center gap-3 text-xs text-[#6B7280]">
        <span v-if="updatedAt">更新于 {{ updatedAt }}</span>
@@ -167,7 +169,11 @@ function hoverText(it: IndexQuote): string {
          >
            <div class="flex items-baseline justify-between">
              <span class="text-sm font-medium text-[#E5E7EB]">{{ it.name }}</span>
-              <span class="font-mono text-[10px] tabular-nums text-[#6B7280]">{{ fmtDate(it.trade_date) }}</span>
+              <!-- 实时：蓝色徽标；收盘口径：交易日 MM-DD -->
+              <span v-if="it.realtime" class="flex items-center gap-1 text-[10px] text-blue-400">
+                <span class="h-1 w-1 animate-pulse rounded-full bg-blue-400" />实时
+              </span>
+              <span v-else class="font-mono text-[10px] tabular-nums text-[#6B7280]">{{ fmtDate(it.trade_date) }}</span>
            </div>
            <div class="mt-1.5 flex items-baseline gap-2">
              <span class="text-xl font-semibold text-white">{{ fmtClose(it.close) }}</span>
@@ -220,14 +226,19 @@ function hoverText(it: IndexQuote): string {
        </div>
      </div>

-      <!-- 两市统计：daily_info 沪 SH_A + 深 SZ_MARKET 汇总 -->
-      <div v-if="overview.stats" class="mt-4 flex flex-wrap items-center gap-x-8 gap-y-2 rounded-lg border border-[#26272E] bg-[#101014] px-4 py-3 text-sm">
+      <!-- 两市统计：daily_info 沪 SH_MARKET(主板A+科创+B) + 深 SZ_MARKET 汇总 -->
+      <div
+        v-if="overview.stats"
+        class="mt-4 flex flex-wrap items-center gap-x-8 gap-y-2 rounded-lg border border-[#26272E] bg-[#101014] px-4 py-3 text-sm"
+        title="口径：沪市（主板A+科创板+B股）+ 深市全部股票，不含基金/北交所"
+      >
        <span class="text-xs text-[#6B7280]">沪深两市
          <span class="font-mono tabular-nums">{{ fmtDate(overview.stats.trade_date) }}</span>
        </span>
        <span class="flex items-baseline gap-2">
          <span class="text-xs text-[#6B7280]">成交额</span>
-          <span class="font-semibold text-[#E5E7EB]">{{ fmtYi(overview.stats.amount) }}</span>
+          <span class="font-semibold text-[#E5E7EB]">{{ fmtYi(overview.stats.amount_today ?? overview.stats.amount) }}</span>
+          <span v-if="overview.stats.amount_today != null" class="text-[10px] text-blue-300">今日</span>
        </span>
        <span class="flex items-baseline gap-2">
          <span class="text-xs text-[#6B7280]">总市值</span>
@@ -243,6 +254,13 @@ function hoverText(it: IndexQuote): string {
        </span>
      </div>

+      <!-- 两市成交额历史：数值轴柱状图（今日盘中柱调淡标注） -->
+      <AmountHistoryChart
+        v-if="overview.amount_history?.length"
+        :bars="overview.amount_history"
+        class="mt-3"
+      />
+
      <!-- 部分来源失败：透明但不打扰 -->
      <div v-if="overview.errors.length" class="mt-2 text-[10px] text-[#6B7280]" :title="overview.errors.join('；')">
        {{ overview.errors.length }} 项数据获取失败，已跳过
--- a/frontend_dev.log
+++ b/frontend_dev.log
@@ -1,31 +1,6 @@
 $ vite

-  [32m[1mVITE[22m v6.4.3[39m  [2mready in [0m[1m717[22m[2m[0m ms[22m
+  [32m[1mVITE[22m v6.4.3[39m  [2mready in [0m[1m1900[22m[2m[0m ms[22m

  [32m➜[39m  [1mLocal[22m:   [36mhttp://localhost:[1m5173[22m/[39m
 [2m  [32m➜[39m  [1mNetwork[22m[2m: use [22m[1m--host[22m[2m to expose[22m
-[2m10:03:08[22m [36m[1m[vite][22m[39m [90m[2m(client)[22m[39m [32mpage reload [39m[2msrc/api/types.ts[22m
-[2m10:03:24[22m [36m[1m[vite][22m[39m [90m[2m(client)[22m[39m [32mpage reload [39m[2msrc/api/client.ts[22m
-[2m10:03:38[22m [36m[1m[vite][22m[39m [90m[2m(client)[22m[39m [32mpage reload [39m[2msrc/api/client.ts[22m
-[2m10:03:48[22m [36m[1m[vite][22m[39m [90m[2m(client)[22m[39m [32mhmr update [39m[2m/src/style.css, /src/views/ScreenerView.vue[22m
-[2m10:04:11[22m [36m[1m[vite][22m[39m [90m[2m(client)[22m[39m [32mhmr update [39m[2m/src/views/ScreenerView.vue, /src/style.css[22m
-[2m10:04:24[22m [36m[1m[vite][22m[39m [90m[2m(client)[22m[39m [32mhmr update [39m[2m/src/views/ScreenerView.vue, /src/style.css[22m
-[2m10:04:40[22m [36m[1m[vite][22m[39m [90m[2m(client)[22m[39m [32mhmr update [39m[2m/src/views/ScreenerView.vue, /src/style.css[22m
-[2m10:15:13[22m [36m[1m[vite][22m[39m [90m[2m(client)[22m[39m [32mpage reload [39m[2msrc/api/client.ts[22m
-[2m10:15:27[22m [36m[1m[vite][22m[39m [90m[2m(client)[22m[39m [32mhmr update [39m[2m/src/style.css, /src/views/ScreenerView.vue[22m
-[2m10:15:48[22m [36m[1m[vite][22m[39m [90m[2m(client)[22m[39m [32mhmr update [39m[2m/@fs/D:\Project\stock\frontend\src\components\ScreenerForm.vue, /src/style.css[22m
-[2m10:15:53[22m [36m[1m[vite][22m[39m [90m[2m(client)[22m[39m [32mhmr update [39m[2m/@fs/D:\Project\stock\frontend\src\components\ScreenerForm.vue, /src/style.css[22m
-[2m10:16:01[22m [36m[1m[vite][22m[39m [90m[2m(client)[22m[39m [32mhmr update [39m[2m/@fs/D:\Project\stock\frontend\src\components\ScreenerForm.vue, /src/style.css[22m
-[2m10:16:06[22m [36m[1m[vite][22m[39m [90m[2m(client)[22m[39m [32mhmr update [39m[2m/@fs/D:\Project\stock\frontend\src\components\ScreenerForm.vue, /src/style.css[22m
-[2m10:16:11[22m [36m[1m[vite][22m[39m [90m[2m(client)[22m[39m [32mhmr update [39m[2m/src/views/ScreenerView.vue, /src/style.css[22m
-[2m10:20:01[22m [31m[1m[vite][22m[39m [31mhttp proxy error: /api/screener/run[39m
-Error: read ECONNRESET
-    at TCP.onStreamRead (node:internal/stream_base_commons:216:20)
-[2m10:23:16[22m [31m[1m[vite][22m[39m [31mhttp proxy error: /api/auth/me[39m
-AggregateError [ECONNREFUSED]: 
-    at internalConnectMultiple (node:net:1134:18)
-    at afterConnectMultiple (node:net:1715:7)
-[2m10:23:20[22m [31m[1m[vite][22m[39m [31mhttp proxy error: /api/auth/login[39m
-AggregateError [ECONNREFUSED]: 
-    at internalConnectMultiple (node:net:1134:18)
-    at afterConnectMultiple (node:net:1715:7)