diff --git a/backend/app/analysis/__pycache__/intraday.cpython-313.pyc b/backend/app/analysis/__pycache__/intraday.cpython-313.pyc
index 86170558..c434f173 100644
Binary files a/backend/app/analysis/__pycache__/intraday.cpython-313.pyc and b/backend/app/analysis/__pycache__/intraday.cpython-313.pyc differ
diff --git a/backend/app/analysis/intraday.py b/backend/app/analysis/intraday.py
index 2cb43c3b..2e8c47bf 100644
--- a/backend/app/analysis/intraday.py
+++ b/backend/app/analysis/intraday.py
@@ -56,8 +56,10 @@ async def intraday_market_temperature(prev_temp: MarketTemperature) -> MarketTem
         down_count = sum(1 for q in eastmoney_quotes if q.get("pct_chg", 0) < 0)
         limit_up_count = sum(1 for q in eastmoney_quotes if q.get("pct_chg", 0) >= _limit_threshold(q.get("ts_code", "")))
         limit_down_count = sum(1 for q in eastmoney_quotes if q.get("pct_chg", 0) <= -_limit_threshold(q.get("ts_code", "")))
+        source = eastmoney_quotes[0].get("source", "eastmoney") if eastmoney_quotes else "eastmoney"
         logger.info(
-            "东方财富实时市场温度: 上涨=%s 下跌=%s 涨停=%s 跌停=%s (共%s只)",
+            "%s实时市场温度: 上涨=%s 下跌=%s 涨停=%s 跌停=%s (共%s只)",
+            "腾讯兜底" if source == "tencent_fallback" else "东方财富",
             up_count,
             down_count,
             limit_up_count,
diff --git a/backend/app/data/eastmoney_client.py b/backend/app/data/eastmoney_client.py
index a946eccf..fafdd9e0 100644
--- a/backend/app/data/eastmoney_client.py
+++ b/backend/app/data/eastmoney_client.py
@@ -31,6 +31,13 @@ SECTOR_HEADERS = {
 }
 
 
+def _describe_exception(exc: Exception) -> str:
+    text = str(exc).strip()
+    if text:
+        return f"{exc.__class__.__name__}: {text}"
+    return exc.__class__.__name__
+
+
 def _ts_code_to_eastmoney(ts_code: str) -> str:
     """600519.SH -> 1.600519  (上海=1, 深圳=0)"""
     code, market = ts_code.split(".")
@@ -209,6 +216,7 @@ async def get_a_share_realtime_ranking(
                         "total_mv": _safe_float(item.get("f20")),
                         "circ_mv": _safe_float(item.get("f21")),
                         "main_net_inflow": _safe_float(item.get("f62")) or 0,
+                        "source": "eastmoney",
                     })
                 if len(result) == before_count or len(items) < page_size_per_request:
                     break
@@ -225,12 +233,79 @@ async def get_a_share_realtime_ranking(
         logger.info("东方财富A股实时行情: 获取 %s 只", len(result))
         return result
     except Exception as e:
-        logger.error(f"东方财富A股实时行情获取失败: {e}")
-        await log_error(
-            "eastmoney",
-            f"东方财富A股实时行情获取失败: {e}",
-            detail=f"sort_by={sort_by}, page_size={page_size}",
+        reason = _describe_exception(e)
+        logger.warning("东方财富A股实时行情获取失败，尝试腾讯兜底: %s", reason)
+        fallback = await _get_a_share_realtime_ranking_from_tencent(
+            sort_by=sort_by,
+            descending=descending,
+            page_size=page_size,
         )
+        if fallback:
+            ttl = 60 if _is_trading_hours() else 300
+            cache.set(cache_key, fallback, ttl)
+            logger.warning("东方财富A股实时行情获取失败，已切换腾讯兜底: %s", reason)
+            return fallback
+
+        logger.error("A股实时行情双源获取失败: %s", reason)
+        await log_error(
+            "market_data",
+            f"A股实时行情双源获取失败: {reason}",
+            detail=f"primary=eastmoney, fallback=tencent, sort_by={sort_by}, page_size={page_size}",
+        )
+        return []
+
+
+async def _get_a_share_realtime_ranking_from_tencent(
+    sort_by: str,
+    descending: bool,
+    page_size: int,
+) -> list[dict]:
+    """东方财富失败时，用腾讯批量行情兜底全市场快照。"""
+    try:
+        from app.data.tushare_client import tushare_client
+        from app.data.tencent_client import get_realtime_quotes_batch
+
+        stock_basic = tushare_client.get_stock_basic()
+        if stock_basic.empty:
+            return []
+
+        ts_codes = stock_basic["ts_code"].dropna().astype(str).tolist()
+        quotes = await get_realtime_quotes_batch(ts_codes)
+        if not quotes:
+            return []
+
+        rows = []
+        for ts_code, quote in quotes.items():
+            if quote.price <= 0:
+                continue
+            rows.append({
+                "ts_code": ts_code,
+                "name": quote.name,
+                "price": quote.price,
+                "pct_chg": quote.pct_chg,
+                "amount": quote.amount,
+                "turnover_rate": quote.turnover_rate,
+                "pe": quote.pe,
+                "pb": quote.pb,
+                "total_mv": quote.total_mv,
+                "circ_mv": quote.circ_mv,
+                "main_net_inflow": 0,
+                "source": "tencent_fallback",
+            })
+
+        sort_key_map = {
+            "f3": "pct_chg",
+            "f6": "amount",
+            "f8": "turnover_rate",
+            "f20": "total_mv",
+            "f21": "circ_mv",
+        }
+        sort_key = sort_key_map.get(sort_by, "pct_chg")
+        rows.sort(key=lambda item: float(item.get(sort_key, 0) or 0), reverse=descending)
+        logger.info("腾讯兜底A股实时行情: 获取 %s 只", len(rows))
+        return rows[:page_size]
+    except Exception as e:
+        logger.warning("腾讯兜底A股实时行情失败: %s", _describe_exception(e))
         return []
 
 
diff --git a/backend/astock.db b/backend/astock.db
index 4c1bde48..789aa797 100644
Binary files a/backend/astock.db and b/backend/astock.db differ