diff --git a/hub_ohlcv_lib.py b/hub_ohlcv_lib.py
index 74e83fb..d4ca1c7 100644
--- a/hub_ohlcv_lib.py
+++ b/hub_ohlcv_lib.py
@@ -9,17 +9,12 @@ from typing import Any, Callable, Optional
 CHART_TIMEFRAMES = frozenset(
     {
         "1m",
-        "3m",
         "5m",
-        "10m",
         "15m",
-        "20m",
         "30m",
         "1h",
         "2h",
         "4h",
-        "6h",
-        "8h",
         "12h",
         "1d",
         "1w",
@@ -27,43 +22,31 @@ CHART_TIMEFRAMES = frozenset(
 )
 CHART_TIMEFRAME_ORDER = (
     "1m",
-    "3m",
     "5m",
-    "10m",
     "15m",
-    "20m",
     "30m",
     "1h",
     "2h",
     "4h",
-    "6h",
-    "8h",
     "12h",
     "1d",
     "1w",
 )
 DAILY_PLUS_TIMEFRAMES = frozenset({"1d", "1w"})
 
-# 部分交易所 ccxt 无原生周期（如 Gate 无 6h/12h），或原生 K 线间隔异常时从细周期聚合
+# 部分交易所 ccxt 无原生 12h，或原生 K 线间隔异常时从 1h 聚合
 OHLCV_AGGREGATE_FROM: dict[str, str] = {
-    "6h": "1h",
-    "8h": "1h",
     "12h": "1h",
 }
 
 TIMEFRAME_MS: dict[str, int] = {
     "1m": 60_000,
-    "3m": 3 * 60_000,
     "5m": 5 * 60_000,
-    "10m": 10 * 60_000,
     "15m": 15 * 60_000,
-    "20m": 20 * 60_000,
     "30m": 30 * 60_000,
     "1h": 60 * 60_000,
     "2h": 2 * 60 * 60_000,
     "4h": 4 * 60 * 60_000,
-    "6h": 6 * 60 * 60_000,
-    "8h": 8 * 60 * 60_000,
     "12h": 12 * 60 * 60_000,
     "1d": 24 * 60 * 60_000,
     "1w": 7 * 24 * 60 * 60_000,
diff --git a/manual_trading_hub/static/chart.js b/manual_trading_hub/static/chart.js
index b92fd56..37d6573 100644
--- a/manual_trading_hub/static/chart.js
+++ b/manual_trading_hub/static/chart.js
@@ -15,34 +15,24 @@
   const MAX_DIV_MARKERS = 4;
   const TF_MS = {
     "1m": 60_000,
-    "3m": 3 * 60_000,
     "5m": 5 * 60_000,
-    "10m": 10 * 60_000,
     "15m": 15 * 60_000,
-    "20m": 20 * 60_000,
     "30m": 30 * 60_000,
     "1h": 60 * 60_000,
     "2h": 2 * 60 * 60_000,
     "4h": 4 * 60 * 60_000,
-    "6h": 6 * 60 * 60_000,
-    "8h": 8 * 60 * 60_000,
     "12h": 12 * 60 * 60_000,
     "1d": 24 * 60 * 60_000,
     "1w": 7 * 24 * 60 * 60_000,
   };
   const TF_BY_MINUTES = {
     "1": "1m",
-    "3": "3m",
     "5": "5m",
-    "10": "10m",
     "15": "15m",
-    "20": "20m",
     "30": "30m",
     "60": "1h",
     "120": "2h",
     "240": "4h",
-    "360": "6h",
-    "480": "8h",
     "720": "12h",
     "1440": "1d",
     "10080": "1w",
@@ -52,17 +42,12 @@
   });
   const TF_CN_LABEL = {
     "1m": "1分钟",
-    "3m": "3分钟",
     "5m": "5分钟",
-    "10m": "10分钟",
     "15m": "15分钟",
-    "20m": "20分钟",
     "30m": "30分钟",
     "1h": "1小时",
     "2h": "2小时",
     "4h": "4小时",
-    "6h": "6小时",
-    "8h": "8小时",
     "12h": "12小时",
     "1d": "日线",
     "1w": "周线",
diff --git a/manual_trading_hub/static/index.html b/manual_trading_hub/static/index.html
index 9bf7919..cbbb466 100644
--- a/manual_trading_hub/static/index.html
+++ b/manual_trading_hub/static/index.html
@@ -60,7 +60,7 @@
     <div id="page-market" class="page hidden">
       <div class="page-head">
         <h1><span class="head-tag">MKT</span> 行情区</h1>
-        <p class="page-desc">按需拉取 K 线，本地库保留 15 天（无后台自动更新）。快捷键：<kbd>F</kbd> 切换 K 线全屏/退出（全屏时 <kbd>Esc</kbd> 退出）；数字键为周期分钟数（如 15→15m、120→2h、720→12h、1440→1d，多键连按后 Enter 或稍停确认）。</p>
+        <p class="page-desc">按需拉取 K 线，本地库保留 15 天（无后台自动更新）。快捷键：<kbd>F</kbd> 切换 K 线全屏/退出（全屏时 <kbd>Esc</kbd> 退出）；数字键切换周期：1/5/15/30/60/120/240/720/1440/10080（多键连按，如 1 再 5 为 15m）。</p>
       </div>
       <details class="hint-box">
         <summary>数据说明</summary>
@@ -82,17 +82,12 @@
           <span>周期</span>
           <select id="market-timeframe">
             <option value="1m">1m</option>
-            <option value="3m">3m</option>
             <option value="5m">5m</option>
-            <option value="10m">10m</option>
             <option value="15m">15m</option>
-            <option value="20m">20m</option>
             <option value="30m">30m</option>
             <option value="1h">1h</option>
             <option value="2h">2h</option>
             <option value="4h">4h</option>
-            <option value="6h">6h</option>
-            <option value="8h">8h</option>
             <option value="12h">12h</option>
             <option value="1d" selected>1d</option>
             <option value="1w">1w</option>
@@ -145,17 +140,12 @@
               <span>周期</span>
               <select id="market-fs-timeframe">
                 <option value="1m">1m</option>
-                <option value="3m">3m</option>
                 <option value="5m">5m</option>
-                <option value="10m">10m</option>
                 <option value="15m">15m</option>
-                <option value="20m">20m</option>
                 <option value="30m">30m</option>
                 <option value="1h">1h</option>
                 <option value="2h">2h</option>
                 <option value="4h">4h</option>
-                <option value="6h">6h</option>
-                <option value="8h">8h</option>
                 <option value="12h">12h</option>
                 <option value="1d">1d</option>
                 <option value="1w">1w</option>
@@ -256,7 +246,7 @@
 
   <div id="toast"></div>
   <script src="https://unpkg.com/lightweight-charts@4.2.0/dist/lightweight-charts.standalone.production.js"></script>
-  <script src="/assets/chart.js?v=20260528-hub-tf-h"></script>
+  <script src="/assets/chart.js?v=20260528-hub-tf-trim"></script>
   <script src="/assets/app.js?v=20260528-hub-tpsl-fix"></script>
 </body>
 </html>
diff --git a/tests/test_hub_ohlcv_lib.py b/tests/test_hub_ohlcv_lib.py
index 57e3b00..5337da0 100644
--- a/tests/test_hub_ohlcv_lib.py
+++ b/tests/test_hub_ohlcv_lib.py
@@ -132,25 +132,24 @@ class TestHubOhlcvLib(unittest.TestCase):
         self.assertGreaterEqual(len(ex.calls), 3)
         self.assertAlmostEqual(out["bars"][-1]["close"], 3.05)
 
-    def test_aggregate_6h_from_1h_when_exchange_lacks_native(self):
-        """Gate 等无 6h 时应从 1h 聚合。"""
+    def test_aggregate_12h_from_1h_when_exchange_lacks_native(self):
+        """无原生 12h 时应从 1h 聚合。"""
         from hub_ohlcv_lib import TIMEFRAME_MS
 
         h1 = TIMEFRAME_MS["1h"]
-        h6 = TIMEFRAME_MS["6h"]
-        base = 1_700_000_000_000
-        base = (base // h6) * h6
+        h12 = TIMEFRAME_MS["12h"]
+        base = (1_700_000_000_000 // h12) * h12
         one_h = [
             [base + i * h1, 100.0 + i, 101.0 + i, 99.0 + i, 100.5 + i, 10.0]
-            for i in range(24)
+            for i in range(48)
         ]
         ex = _FakeExchange(
             [one_h],
-            timeframes={"1h": "1h", "4h": "4h", "8h": "8h"},
+            timeframes={"1h": "1h", "4h": "4h"},
         )
         out = fetch_ohlcv_for_hub(
             symbol="BTC/USDT",
-            timeframe="6h",
+            timeframe="12h",
             since_ms=base,
             limit=4,
             normalize_symbol_input=lambda s: str(s).strip().upper(),
@@ -161,15 +160,15 @@ class TestHubOhlcvLib(unittest.TestCase):
         self.assertTrue(out.get("ok"))
         bars = out.get("bars") or []
         self.assertEqual(len(bars), 4)
-        self.assertTrue(bars_spacing_matches_timeframe(bars, "6h"))
+        self.assertTrue(bars_spacing_matches_timeframe(bars, "12h"))
         self.assertEqual(ex.calls[0]["timeframe"], "1h")
 
     def test_aggregate_ohlcv_bars_buckets(self):
         from hub_ohlcv_lib import TIMEFRAME_MS
 
         h1 = TIMEFRAME_MS["1h"]
-        h6 = TIMEFRAME_MS["6h"]
-        base = (1_700_000_000_000 // h6) * h6
+        h12 = TIMEFRAME_MS["12h"]
+        base = (1_700_000_000_000 // h12) * h12
         src = [
             {
                 "open_time_ms": base + i * h1,
@@ -179,11 +178,11 @@ class TestHubOhlcvLib(unittest.TestCase):
                 "close": 1.5,
                 "volume": 1.0,
             }
-            for i in range(6)
+            for i in range(12)
         ]
-        out = aggregate_ohlcv_bars(src, "6h")
+        out = aggregate_ohlcv_bars(src, "12h")
         self.assertEqual(len(out), 1)
-        self.assertEqual(out[0]["volume"], 6.0)
+        self.assertEqual(out[0]["volume"], 12.0)
         self.assertEqual(out[0]["high"], 2.0)
         self.assertEqual(out[0]["low"], 0.5)