diff --git a/src/xmtdx/client.py b/src/xmtdx/client.py
index 2a3bae9..534e1d4 100644
--- a/src/xmtdx/client.py
+++ b/src/xmtdx/client.py
@@ -1,9 +1,11 @@
 """高层行情 API：TdxClient（同步）和 AsyncTdxClient（asyncio）。"""
 
 import asyncio
+from datetime import datetime
 from collections.abc import Awaitable, Callable
 from types import TracebackType
 from typing import TypeVar
+from zoneinfo import ZoneInfo
 
 from .codec.block import parse_block_dat
 from .codec.industry import parse_tdxhy_cfg
@@ -34,6 +36,11 @@ from .transport.sync import KNOWN_HOSTS, TdxConnection, ping_all
 
 _DEFAULT_PORT = 7709
 _T = TypeVar("_T")
+_SHANGHAI_TZ = ZoneInfo("Asia/Shanghai")
+
+
+def _today_in_shanghai() -> int:
+    return int(datetime.now(_SHANGHAI_TZ).strftime("%Y%m%d"))
 
 
 def _record_signature(
@@ -332,6 +339,13 @@ class TdxClient:
 
     def get_minute_time_data(self, market: Market, code: str) -> list[MinuteBar]:
         """获取今日分时数据（240条）。"""
+        today = _today_in_shanghai()
+        try:
+            bars = self.get_history_minute_time_data(market, code, today)
+            if bars:
+                return bars
+        except Exception:
+            pass
         return self._execute(GetMinuteTimeDataCmd(market, code))
 
     def get_history_minute_time_data(
@@ -742,6 +756,13 @@ class AsyncTdxClient:
         return await self._execute(GetIndexBarsCmd(market, code, category, start, count))
 
     async def get_minute_time_data(self, market: Market, code: str) -> list[MinuteBar]:
+        today = _today_in_shanghai()
+        try:
+            bars = await self.get_history_minute_time_data(market, code, today)
+            if bars:
+                return bars
+        except Exception:
+            pass
         return await self._execute(GetMinuteTimeDataCmd(market, code))
 
     async def get_history_minute_time_data(
diff --git a/tests/unit/test_a_share_extensions.py b/tests/unit/test_a_share_extensions.py
index 9b9dcd3..481ecbe 100644
--- a/tests/unit/test_a_share_extensions.py
+++ b/tests/unit/test_a_share_extensions.py
@@ -1,14 +1,16 @@
 """针对本轮 A 股增强功能的单元测试。"""
 
+import asyncio
 import struct
 from unittest.mock import patch
 
-from xmtdx import Market, TdxClient
+from xmtdx import AsyncTdxClient, Market, TdxClient
 from xmtdx.client import _classify_fund_flow
 from xmtdx.models.bar import SecurityBar
 from xmtdx.models.quote import SecurityQuote
 from xmtdx.models.security import SecurityInfo
 from xmtdx.models.stats import HistoricalFundFlow
+from xmtdx.models.timeseries import MinuteBar
 from xmtdx.models.timeseries import TransactionRecord
 
 
@@ -219,3 +221,70 @@ def test_get_price_limits_uses_listing_window(_mock_conn_cls):
             11.0,
             9.0,
         )
+
+
+@patch("xmtdx.client.TdxConnection")
+def test_get_minute_time_data_prefers_history_endpoint(_mock_conn_cls):
+    """今日分时优先走历史分时接口，规避当前分时协议歧义。"""
+    client = TdxClient("127.0.0.1")
+    expected = [MinuteBar(price=9.7, vol=13694)]
+
+    with patch("xmtdx.client._today_in_shanghai", return_value=20260422), patch.object(
+        TdxClient,
+        "get_history_minute_time_data",
+        return_value=expected,
+    ) as mock_history, patch.object(
+        TdxClient,
+        "_execute",
+        side_effect=AssertionError("should not hit current-minute command"),
+    ):
+        result = client.get_minute_time_data(Market.SH, "600000")
+
+    mock_history.assert_called_once_with(Market.SH, "600000", 20260422)
+    assert result == expected
+
+
+@patch("xmtdx.client.TdxConnection")
+def test_get_minute_time_data_falls_back_to_current_endpoint(_mock_conn_cls):
+    """历史分时失败时，仍回退到原今日分时命令。"""
+    client = TdxClient("127.0.0.1")
+    fallback = [MinuteBar(price=9.61, vol=10698)]
+
+    with patch("xmtdx.client._today_in_shanghai", return_value=20260422), patch.object(
+        TdxClient,
+        "get_history_minute_time_data",
+        side_effect=RuntimeError("history unavailable"),
+    ) as mock_history, patch.object(
+        TdxClient,
+        "_execute",
+        return_value=fallback,
+    ) as mock_execute:
+        result = client.get_minute_time_data(Market.SH, "600000")
+
+    mock_history.assert_called_once_with(Market.SH, "600000", 20260422)
+    mock_execute.assert_called_once()
+    assert result == fallback
+
+
+def test_async_get_minute_time_data_prefers_history_endpoint():
+    """异步客户端应与同步客户端保持同一回退策略。"""
+    expected = [MinuteBar(price=9.7, vol=13694)]
+
+    async def run_test() -> None:
+        with patch("xmtdx.client.AsyncTdxConnection"):
+            client = AsyncTdxClient("127.0.0.1")
+            with patch("xmtdx.client._today_in_shanghai", return_value=20260422), patch.object(
+                AsyncTdxClient,
+                "get_history_minute_time_data",
+                return_value=expected,
+            ) as mock_history, patch.object(
+                AsyncTdxClient,
+                "_execute",
+                side_effect=AssertionError("should not hit current-minute command"),
+            ):
+                result = await client.get_minute_time_data(Market.SH, "600000")
+
+        mock_history.assert_called_once_with(Market.SH, "600000", 20260422)
+        assert result == expected
+
+    asyncio.run(run_test())