diff --git a/crypto_monitor_binance/app.py b/crypto_monitor_binance/app.py
index 805fe10..40c29a3 100644
--- a/crypto_monitor_binance/app.py
+++ b/crypto_monitor_binance/app.py
@@ -236,9 +236,14 @@ from lib.common.wechat_notify_lib import build_wechat_rs_level_message, send_wec
 from lib.hub.hub_auth import request_allowed as hub_request_allowed
 from lib.hub.hub_volume_rank_lib import resolve_daily_volume_rank
 from lib.common.history_window_lib import (
+    PRESET_ALL,
     PRESET_CUSTOM,
+    PRESET_DEFAULT,
     PRESET_UTC_LAST24H,
+    PRESET_UTC_LAST3M,
+    PRESET_UTC_LAST6M,
     PRESET_UTC_LAST7D,
+    PRESET_UTC_THIS_MONTH,
     PRESET_UTC_TODAY,
     list_window_redirect_query,
     normalize_bj_datetime_storage,
@@ -1672,7 +1677,7 @@ def _count_opens_between(conn, start_td, end_td):
 
 
 def _list_window_from_request():
-    return resolve_list_window(request.args, session, default_preset=PRESET_UTC_TODAY)
+    return resolve_list_window(request.args, session, default_preset=PRESET_DEFAULT)
 
 
 def _redirect_records():
@@ -7284,6 +7289,10 @@ def render_main_page(page="trade", embed_mode=None):
         data_export_version=3,
         list_window=list_window,
         list_window_presets={
+            "utc_this_month": PRESET_UTC_THIS_MONTH,
+            "utc_last3m": PRESET_UTC_LAST3M,
+            "utc_last6m": PRESET_UTC_LAST6M,
+            "all": PRESET_ALL,
             "utc_today": PRESET_UTC_TODAY,
             "utc_last24h": PRESET_UTC_LAST24H,
             "utc_last7d": PRESET_UTC_LAST7D,
diff --git a/crypto_monitor_gate/app.py b/crypto_monitor_gate/app.py
index 4152319..71608de 100644
--- a/crypto_monitor_gate/app.py
+++ b/crypto_monitor_gate/app.py
@@ -238,9 +238,14 @@ from lib.hub.hub_auth import request_allowed as hub_request_allowed
 from lib.instance.instance_nav_lib import request_is_hub_soft_nav
 from lib.hub.hub_volume_rank_lib import resolve_daily_volume_rank
 from lib.common.history_window_lib import (
+    PRESET_ALL,
     PRESET_CUSTOM,
+    PRESET_DEFAULT,
     PRESET_UTC_LAST24H,
+    PRESET_UTC_LAST3M,
+    PRESET_UTC_LAST6M,
     PRESET_UTC_LAST7D,
+    PRESET_UTC_THIS_MONTH,
     PRESET_UTC_TODAY,
     list_window_redirect_query,
     normalize_bj_datetime_storage,
@@ -1669,7 +1674,7 @@ def _count_opens_between(conn, start_td, end_td):
 
 
 def _list_window_from_request():
-    return resolve_list_window(request.args, session, default_preset=PRESET_UTC_TODAY)
+    return resolve_list_window(request.args, session, default_preset=PRESET_DEFAULT)
 
 
 def _redirect_records():
@@ -7078,6 +7083,10 @@ def render_main_page(page="trade", embed_mode=None):
         data_export_version=3,
         list_window=list_window,
         list_window_presets={
+            "utc_this_month": PRESET_UTC_THIS_MONTH,
+            "utc_last3m": PRESET_UTC_LAST3M,
+            "utc_last6m": PRESET_UTC_LAST6M,
+            "all": PRESET_ALL,
             "utc_today": PRESET_UTC_TODAY,
             "utc_last24h": PRESET_UTC_LAST24H,
             "utc_last7d": PRESET_UTC_LAST7D,
diff --git a/crypto_monitor_okx/app.py b/crypto_monitor_okx/app.py
index 57c664c..12a9996 100644
--- a/crypto_monitor_okx/app.py
+++ b/crypto_monitor_okx/app.py
@@ -235,9 +235,14 @@ from lib.hub.hub_auth import request_allowed as hub_request_allowed
 from lib.instance.instance_nav_lib import request_is_hub_soft_nav
 from lib.hub.hub_volume_rank_lib import resolve_daily_volume_rank
 from lib.common.history_window_lib import (
+    PRESET_ALL,
     PRESET_CUSTOM,
+    PRESET_DEFAULT,
     PRESET_UTC_LAST24H,
+    PRESET_UTC_LAST3M,
+    PRESET_UTC_LAST6M,
     PRESET_UTC_LAST7D,
+    PRESET_UTC_THIS_MONTH,
     PRESET_UTC_TODAY,
     list_window_redirect_query,
     normalize_bj_datetime_storage,
@@ -1674,7 +1679,7 @@ def _count_opens_between(conn, start_td, end_td):
 
 
 def _list_window_from_request():
-    return resolve_list_window(request.args, session, default_preset=PRESET_UTC_TODAY)
+    return resolve_list_window(request.args, session, default_preset=PRESET_DEFAULT)
 
 
 def _redirect_records():
@@ -6686,6 +6691,10 @@ def render_main_page(page="trade", embed_mode=None):
         data_export_version=3,
         list_window=list_window,
         list_window_presets={
+            "utc_this_month": PRESET_UTC_THIS_MONTH,
+            "utc_last3m": PRESET_UTC_LAST3M,
+            "utc_last6m": PRESET_UTC_LAST6M,
+            "all": PRESET_ALL,
             "utc_today": PRESET_UTC_TODAY,
             "utc_last24h": PRESET_UTC_LAST24H,
             "utc_last7d": PRESET_UTC_LAST7D,
diff --git a/lib/common/history_window_lib.py b/lib/common/history_window_lib.py
index 07aaabc..36454e3 100644
--- a/lib/common/history_window_lib.py
+++ b/lib/common/history_window_lib.py
@@ -5,7 +5,12 @@ from datetime import datetime, timedelta, timezone
 PRESET_UTC_TODAY = "utc_today"
 PRESET_UTC_LAST24H = "utc_last24h"
 PRESET_UTC_LAST7D = "utc_last7d"
+PRESET_UTC_THIS_MONTH = "utc_this_month"
+PRESET_UTC_LAST3M = "utc_last3m"
+PRESET_UTC_LAST6M = "utc_last6m"
+PRESET_ALL = "all"
 PRESET_CUSTOM = "custom"
+PRESET_DEFAULT = PRESET_UTC_THIS_MONTH
 
 
 def utc_now():
@@ -18,12 +23,12 @@ def utc_today_bounds(now=None):
     return start, now
 
 
-def resolve_window(query_mapping, default_preset=PRESET_UTC_TODAY):
+def resolve_window(query_mapping, default_preset=PRESET_DEFAULT):
     """
     从 ?win_preset= & from_utc= & to_utc= 解析窗口。
     返回 dict: preset, start_utc, end_utc, label, start_ms, end_ms
     """
-    preset = (query_mapping.get("win_preset") or default_preset or PRESET_UTC_TODAY).strip().lower()
+    preset = (query_mapping.get("win_preset") or default_preset or PRESET_DEFAULT).strip().lower()
     now = utc_now()
 
     if preset == PRESET_UTC_LAST24H:
@@ -34,16 +39,36 @@ def resolve_window(query_mapping, default_preset=PRESET_UTC_TODAY):
         start = now - timedelta(days=7)
         end = now
         label = "近7天(UTC)"
+    elif preset == PRESET_UTC_THIS_MONTH:
+        start = now.replace(day=1, hour=0, minute=0, second=0, microsecond=0)
+        end = now
+        label = f"本月 {start.strftime('%Y-%m')}"
+    elif preset == PRESET_UTC_LAST3M:
+        start = now - timedelta(days=90)
+        end = now
+        label = "近3月"
+    elif preset == PRESET_UTC_LAST6M:
+        start = now - timedelta(days=180)
+        end = now
+        label = "近6月"
+    elif preset == PRESET_ALL:
+        start = datetime(2000, 1, 1, tzinfo=timezone.utc)
+        end = now
+        label = "全部"
     elif preset == PRESET_CUSTOM:
         start = _parse_utc_input(query_mapping.get("from_utc")) or utc_today_bounds(now)[0]
         end = _parse_utc_input(query_mapping.get("to_utc")) or now
         if end < start:
             start, end = end, start
         label = f"{start.strftime('%Y-%m-%d %H:%M')} ~ {end.strftime('%Y-%m-%d %H:%M')} UTC"
-    else:
+    elif preset == PRESET_UTC_TODAY:
         start, end = utc_today_bounds(now)
-        preset = PRESET_UTC_TODAY
         label = f"UTC当日 {start.strftime('%Y-%m-%d')}"
+    else:
+        return resolve_window(
+            {**(query_mapping or {}), "win_preset": default_preset},
+            default_preset=default_preset,
+        )
 
     return {
         "preset": preset,
@@ -130,7 +155,7 @@ def query_mapping_from_session(session_store):
     }
 
 
-def resolve_list_window(query_mapping, session_store=None, default_preset=PRESET_UTC_TODAY):
+def resolve_list_window(query_mapping, session_store=None, default_preset=PRESET_DEFAULT):
     """
     URL 带 win_preset 时解析并写入 session；无参数时用 session 中上次「应用」的预设。
     """
diff --git a/lib/instance/templates/embed_boot_scripts.html b/lib/instance/templates/embed_boot_scripts.html
index 1833b50..6c0f6b8 100644
--- a/lib/instance/templates/embed_boot_scripts.html
+++ b/lib/instance/templates/embed_boot_scripts.html
@@ -230,7 +230,7 @@ function deleteKeyHistory(id){
 
 function listWindowQueryString(){
     const presetEl = document.getElementById("win-preset-select");
-    const preset = (presetEl && presetEl.value) || new URLSearchParams(window.location.search).get("win_preset") || "utc_today";
+    const preset = (presetEl && presetEl.value) || new URLSearchParams(window.location.search).get("win_preset") || "utc_this_month";
     const q = new URLSearchParams(window.location.search);
     q.set("win_preset", preset);
     if(preset === "custom"){
diff --git a/lib/instance/templates/index.html b/lib/instance/templates/index.html
index e1eed8f..a78ea96 100644
--- a/lib/instance/templates/index.html
+++ b/lib/instance/templates/index.html
@@ -759,7 +759,7 @@ function deleteKeyHistory(id){
 
 function listWindowQueryString(){
     const presetEl = document.getElementById("win-preset-select");
-    const preset = (presetEl && presetEl.value) || new URLSearchParams(window.location.search).get("win_preset") || "utc_today";
+    const preset = (presetEl && presetEl.value) || new URLSearchParams(window.location.search).get("win_preset") || "utc_this_month";
     const q = new URLSearchParams(window.location.search);
     q.set("win_preset", preset);
     if(preset === "custom"){
diff --git a/lib/instance/templates/instance_header_panel.html b/lib/instance/templates/instance_header_panel.html
index 2f308ee..09229bb 100644
--- a/lib/instance/templates/instance_header_panel.html
+++ b/lib/instance/templates/instance_header_panel.html
@@ -2,9 +2,13 @@
 <div class="instance-header-panel card">
     <div class="instance-header-toolbar">
         <div class="instance-header-toolbar-filter">
-            <span class="list-window-label" title="列表按 UTC 时间筛选，默认当日">UTC {{ list_window.label }}</span>
+            <span class="list-window-label" title="列表按 UTC 时间筛选，默认本月">UTC {{ list_window.label }}</span>
             <label class="list-window-preset">预设
                 <select id="win-preset-select" onchange="toggleListWindowCustom()">
+                    <option value="utc_this_month" {% if list_window.preset == 'utc_this_month' %}selected{% endif %}>本月</option>
+                    <option value="utc_last3m" {% if list_window.preset == 'utc_last3m' %}selected{% endif %}>近3月</option>
+                    <option value="utc_last6m" {% if list_window.preset == 'utc_last6m' %}selected{% endif %}>近6月</option>
+                    <option value="all" {% if list_window.preset == 'all' %}selected{% endif %}>全部</option>
                     <option value="utc_today" {% if list_window.preset == 'utc_today' %}selected{% endif %}>UTC 当日</option>
                     <option value="utc_last24h" {% if list_window.preset == 'utc_last24h' %}selected{% endif %}>近 24 小时</option>
                     <option value="utc_last7d" {% if list_window.preset == 'utc_last7d' %}selected{% endif %}>近 7 天</option>
diff --git a/tests/test_history_window_lib.py b/tests/test_history_window_lib.py
new file mode 100644
index 0000000..0fa7956
--- /dev/null
+++ b/tests/test_history_window_lib.py
@@ -0,0 +1,47 @@
+"""history_window_lib 单元测试。"""
+from __future__ import annotations
+
+import unittest
+from datetime import datetime, timezone
+from unittest.mock import patch
+
+from lib.common.history_window_lib import (
+    PRESET_ALL,
+    PRESET_DEFAULT,
+    PRESET_UTC_LAST3M,
+    PRESET_UTC_THIS_MONTH,
+    resolve_window,
+)
+
+
+class TestHistoryWindowLib(unittest.TestCase):
+    def test_default_is_this_month(self):
+        self.assertEqual(PRESET_DEFAULT, PRESET_UTC_THIS_MONTH)
+
+    def test_resolve_this_month(self):
+        now = datetime(2026, 7, 8, 12, 0, 0, tzinfo=timezone.utc)
+        with patch("lib.common.history_window_lib.utc_now", return_value=now):
+            win = resolve_window({"win_preset": PRESET_UTC_THIS_MONTH})
+        self.assertEqual(win["preset"], PRESET_UTC_THIS_MONTH)
+        self.assertIn("本月", win["label"])
+        self.assertEqual(win["start_utc"].month, 7)
+        self.assertEqual(win["start_utc"].day, 1)
+
+    def test_resolve_last3m_and_all(self):
+        now = datetime(2026, 7, 8, 12, 0, 0, tzinfo=timezone.utc)
+        with patch("lib.common.history_window_lib.utc_now", return_value=now):
+            w3 = resolve_window({"win_preset": PRESET_UTC_LAST3M})
+            wall = resolve_window({"win_preset": PRESET_ALL})
+        self.assertEqual(w3["label"], "近3月")
+        self.assertEqual(wall["label"], "全部")
+        self.assertLess(wall["start_utc"].year, 2020)
+
+    def test_empty_preset_uses_default_month(self):
+        now = datetime(2026, 7, 8, 12, 0, 0, tzinfo=timezone.utc)
+        with patch("lib.common.history_window_lib.utc_now", return_value=now):
+            win = resolve_window({})
+        self.assertEqual(win["preset"], PRESET_UTC_THIS_MONTH)
+
+
+if __name__ == "__main__":
+    unittest.main()