diff --git a/lib/instance/instance_display_prefs_lib.py b/lib/instance/instance_display_prefs_lib.py
index 6c767b4..1601edb 100644
--- a/lib/instance/instance_display_prefs_lib.py
+++ b/lib/instance/instance_display_prefs_lib.py
@@ -9,6 +9,8 @@ DISPLAY_RUNTIME_PREFIX = "display."
 
 DEFAULT_INSTANCE_DISPLAY: dict[str, bool] = {
     "show_nav_dashboard": False,
+    "show_nav_key_monitor": True,
+    "show_nav_trade": True,
     "show_nav_strategy": True,
     "show_nav_strategy_records": True,
     "show_nav_records": True,
@@ -28,6 +30,8 @@ DEFAULT_INSTANCE_DISPLAY: dict[str, bool] = {
 
 DISPLAY_LABELS: dict[str, str] = {
     "show_nav_dashboard": "数据看板",
+    "show_nav_key_monitor": "关键位监控",
+    "show_nav_trade": "实盘下单",
     "show_nav_strategy": "策略交易",
     "show_nav_strategy_records": "策略交易记录",
     "show_nav_records": "交易记录与复盘",
@@ -47,6 +51,8 @@ DISPLAY_LABELS: dict[str, str] = {
 
 NAV_TAB_ALLOWED: dict[str, str] = {
     "dashboard": "show_nav_dashboard",
+    "key_monitor": "show_nav_key_monitor",
+    "trade": "show_nav_trade",
     "strategy": "show_nav_strategy",
     "strategy_records": "show_nav_strategy_records",
     "records": "show_nav_records",
@@ -110,6 +116,8 @@ def tab_allowed(tab: str, display: Optional[dict[str, bool]] = None) -> bool:
 def display_meta_for_ui() -> list[dict[str, Any]]:
     nav_keys = [
         "show_nav_dashboard",
+        "show_nav_key_monitor",
+        "show_nav_trade",
         "show_nav_strategy",
         "show_nav_strategy_records",
         "show_nav_records",
diff --git a/lib/instance/templates/display_prefs_panel.html b/lib/instance/templates/display_prefs_panel.html
index 05a6622..38a744b 100644
--- a/lib/instance/templates/display_prefs_panel.html
+++ b/lib/instance/templates/display_prefs_panel.html
@@ -1,7 +1,7 @@
 {# 系统设置 · 导航显示开关(SSR 预渲染,保存仍走 API) #}
 <div class="settings-tab-inner" id="display-prefs-card">
     <h2>导航显示</h2>
-    <p class="settings-env-hint">以下开关控制顶栏导航与系统设置内区块是否显示,保存后立即生效.关键位监控,实盘下单,系统设置为固定项.</p>
+    <p class="settings-env-hint">以下开关控制顶栏导航与系统设置内区块是否显示,保存后立即生效.系统设置为固定项.</p>
     <div id="display-prefs-form" class="display-prefs-form" data-prefs-ssr="1">
         {% if display_meta %}
         {% for group in display_meta %}
diff --git a/lib/instance/templates/embed_shell.html b/lib/instance/templates/embed_shell.html
index 7b83572..f3e756f 100644
--- a/lib/instance/templates/embed_shell.html
+++ b/lib/instance/templates/embed_shell.html
@@ -31,8 +31,8 @@
     </div>
     <nav class="top-nav embed-top-nav" aria-label="实例导航">
         <a href="/dashboard" data-embed-tab="dashboard" class="{% if initial_tab == 'dashboard' %}active{% endif %}"{% if not display.show_nav_dashboard %} style="display:none"{% endif %}>数据看板</a>
-        <a href="/key_monitor" data-embed-tab="key_monitor" class="{% if initial_tab == 'key_monitor' %}active{% endif %}">关键位监控</a>
-        <a href="/trade" data-embed-tab="trade" class="{% if initial_tab == 'trade' %}active{% endif %}">实盘下单</a>
+        <a href="/key_monitor" data-embed-tab="key_monitor" class="{% if initial_tab == 'key_monitor' %}active{% endif %}"{% if not display.show_nav_key_monitor %} style="display:none"{% endif %}>关键位监控</a>
+        <a href="/trade" data-embed-tab="trade" class="{% if initial_tab == 'trade' %}active{% endif %}"{% if not display.show_nav_trade %} style="display:none"{% endif %}>实盘下单</a>
         {% if not intraday_discipline and display.show_nav_strategy %}
         <a href="/strategy" data-embed-tab="strategy" class="{% if initial_tab == 'strategy' %}active{% endif %}">策略交易</a>
         {% endif %}
diff --git a/lib/instance/templates/index.html b/lib/instance/templates/index.html
index 891ac09..6d30ee8 100644
--- a/lib/instance/templates/index.html
+++ b/lib/instance/templates/index.html
@@ -118,8 +118,8 @@
     </div>
     <div class="top-nav">
         <a href="/dashboard" data-embed-tab="dashboard" class="{% if page == 'dashboard' %}active{% endif %}"{% if not display.show_nav_dashboard %} style="display:none"{% endif %}>数据看板</a>
-        <a href="/key_monitor" class="{% if page == 'key_monitor' %}active{% endif %}">关键位监控</a>
-        <a href="/trade" class="{% if page == 'trade' %}active{% endif %}">实盘下单</a>
+        <a href="/key_monitor" class="{% if page == 'key_monitor' %}active{% endif %}"{% if not display.show_nav_key_monitor %} style="display:none"{% endif %}>关键位监控</a>
+        <a href="/trade" class="{% if page == 'trade' %}active{% endif %}"{% if not display.show_nav_trade %} style="display:none"{% endif %}>实盘下单</a>
         {% if not intraday_discipline and display.show_nav_strategy %}
         <a href="/strategy" class="{% if page in ('strategy', 'strategy_trend', 'strategy_roll') %}active{% endif %}">策略交易</a>
         {% endif %}
diff --git a/tests/test_instance_display_env_settings.py b/tests/test_instance_display_env_settings.py
index eb7e3e4..97c7dbc 100644
--- a/tests/test_instance_display_env_settings.py
+++ b/tests/test_instance_display_env_settings.py
@@ -21,6 +21,19 @@ class TestInstanceDisplayPrefs(unittest.TestCase):
         prefs = normalize_display_prefs({"show_nav_stats": False})
         self.assertFalse(tab_allowed("stats", prefs))
         self.assertTrue(tab_allowed("trade", prefs))
+        self.assertTrue(tab_allowed("key_monitor", prefs))
+
+    def test_key_monitor_and_trade_nav_can_hide(self):
+        prefs = normalize_display_prefs(
+            {"show_nav_key_monitor": False, "show_nav_trade": False}
+        )
+        self.assertFalse(tab_allowed("key_monitor", prefs))
+        self.assertFalse(tab_allowed("trade", prefs))
+        on = normalize_display_prefs({})
+        self.assertTrue(on["show_nav_key_monitor"])
+        self.assertTrue(on["show_nav_trade"])
+        self.assertTrue(tab_allowed("key_monitor", on))
+        self.assertTrue(tab_allowed("trade", on))
 
     def test_dashboard_nav_default_off(self):
         prefs = normalize_display_prefs({})