diff --git a/src/App.tsx b/src/App.tsx
index 6c8462e..2b46147 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -14,6 +14,7 @@ function MainContent(): React.JSX.Element {
   const { currentTheme } = useTheme()
   const [messageApi, contextHolder] = message.useMessage()
   const { isIosDevice, isAndroidDevice, defaultPortraitMode } = useMemo(getMobileDeviceInfo, [])
+  const [immersiveMode, setImmersiveMode] = useState(false)
 
   useEffect(() => {
     const api = (window as any).api
@@ -27,6 +28,11 @@ function MainContent(): React.JSX.Element {
         const currentPath = location.pathname === "/" ? "/home" : location.pathname
         const targetPath = route === "/" ? "/home" : route
 
+        if (immersiveMode && !targetPath.startsWith("/home")) {
+          navigate("/", { replace: true })
+          return
+        }
+
         if (currentPath !== targetPath) {
           navigate(route)
         }
@@ -44,7 +50,7 @@ function MainContent(): React.JSX.Element {
       disposed = true
       if (unlisten) unlisten()
     }
-  }, [navigate, location.pathname])
+  }, [navigate, location.pathname, immersiveMode])
 
   const [wizardVisible, setWizardVisible] = useState(false)
   const [permission, setPermission] = useState<"admin" | "points" | "view">("view")
@@ -302,6 +308,7 @@ function MainContent(): React.JSX.Element {
 
   const onMenuChange = (v: string) => {
     const key = String(v)
+    if (immersiveMode && key !== "home") return
     if (key === "home") navigate("/")
     if (key === "students") navigate("/students")
     if (key === "score") navigate("/score")
@@ -315,6 +322,7 @@ function MainContent(): React.JSX.Element {
   }
 
   const toggleSidebar = () => {
+    if (immersiveMode) return
     if (isPortraitMode && sidebarCollapsed) {
       setFloatingSidebarExpanded((prev) => !prev)
       return
@@ -322,6 +330,26 @@ function MainContent(): React.JSX.Element {
     setSidebarCollapsed((prev) => !prev)
   }
 
+  useEffect(() => {
+    if (!immersiveMode) return
+    if (location.pathname !== "/" && !location.pathname.startsWith("/home")) {
+      navigate("/", { replace: true })
+    }
+  }, [immersiveMode, location.pathname, navigate])
+
+  const toggleImmersiveMode = () => {
+    setImmersiveMode((prev) => {
+      const next = !prev
+      if (next) {
+        setFloatingSidebarExpanded(false)
+        if (location.pathname !== "/" && !location.pathname.startsWith("/home")) {
+          navigate("/", { replace: true })
+        }
+      }
+      return next
+    })
+  }
+
   const isDark = currentTheme?.mode === "dark"
   const brandColor = currentTheme?.config?.tdesign?.brandColor || "#0052D9"
 
@@ -338,15 +366,17 @@ function MainContent(): React.JSX.Element {
     >
       {contextHolder}
       <Layout style={{ height: "100%", flexDirection: "row", overflow: "hidden" }}>
-        <Sidebar
-          activeMenu={activeMenu}
-          permission={permission}
-          onMenuChange={onMenuChange}
-          collapsed={sidebarCollapsed}
-          floatingExpand={isPortraitMode}
-          floatingExpanded={floatingSidebarExpanded}
-          onFloatingExpandedChange={setFloatingSidebarExpanded}
-        />
+        {!immersiveMode && (
+          <Sidebar
+            activeMenu={activeMenu}
+            permission={permission}
+            onMenuChange={onMenuChange}
+            collapsed={sidebarCollapsed}
+            floatingExpand={isPortraitMode}
+            floatingExpanded={floatingSidebarExpanded}
+            onFloatingExpandedChange={setFloatingSidebarExpanded}
+          />
+        )}
         <ContentArea
           permission={permission}
           hasAnyPassword={hasAnyPassword}
@@ -358,6 +388,9 @@ function MainContent(): React.JSX.Element {
           floatingExpand={isPortraitMode}
           floatingExpanded={floatingSidebarExpanded}
           onToggleSidebar={toggleSidebar}
+          immersiveMode={immersiveMode}
+          isHomePage={activeMenu === "home"}
+          onToggleImmersiveMode={toggleImmersiveMode}
         />
 
         <OOBE visible={wizardVisible} onComplete={() => setWizardVisible(false)} />
diff --git a/src/components/ContentArea.tsx b/src/components/ContentArea.tsx
index 6b3af31..002eeac 100644
--- a/src/components/ContentArea.tsx
+++ b/src/components/ContentArea.tsx
@@ -1,6 +1,11 @@
 import React, { Suspense, lazy, useEffect } from "react"
 import { Layout, Space, Button, Tag, Spin } from "antd"
-import { MenuFoldOutlined, MenuUnfoldOutlined } from "@ant-design/icons"
+import {
+  MenuFoldOutlined,
+  MenuUnfoldOutlined,
+  FullscreenOutlined,
+  FullscreenExitOutlined,
+} from "@ant-design/icons"
 import { Routes, Route, Navigate } from "react-router-dom"
 import { useTranslation } from "react-i18next"
 import { WindowControls } from "./WindowControls"
@@ -58,6 +63,9 @@ interface ContentAreaProps {
   floatingExpand: boolean
   floatingExpanded: boolean
   onToggleSidebar: () => void
+  immersiveMode: boolean
+  isHomePage: boolean
+  onToggleImmersiveMode: () => void
 }
 
 export function ContentArea({
@@ -71,6 +79,9 @@ export function ContentArea({
   floatingExpand,
   floatingExpanded,
   onToggleSidebar,
+  immersiveMode,
+  isHomePage,
+  onToggleImmersiveMode,
 }: ContentAreaProps): React.JSX.Element {
   const { t } = useTranslation()
 
@@ -144,26 +155,28 @@ export function ContentArea({
             } as React.CSSProperties
           }
         >
-          <Button
-            type="text"
-            size="small"
-            onClick={onToggleSidebar}
-            icon={
-              floatingExpand && sidebarCollapsed ? (
-                floatingExpanded ? (
-                  <MenuFoldOutlined />
-                ) : (
+          {!immersiveMode && (
+            <Button
+              type="text"
+              size="small"
+              onClick={onToggleSidebar}
+              icon={
+                floatingExpand && sidebarCollapsed ? (
+                  floatingExpanded ? (
+                    <MenuFoldOutlined />
+                  ) : (
+                    <MenuUnfoldOutlined />
+                  )
+                ) : sidebarCollapsed ? (
                   <MenuUnfoldOutlined />
+                ) : (
+                  <MenuFoldOutlined />
                 )
-              ) : sidebarCollapsed ? (
-                <MenuUnfoldOutlined />
-              ) : (
-                <MenuFoldOutlined />
-              )
-            }
-            title={sidebarCollapsed ? "展开导航栏" : "收起导航栏"}
-            style={{ width: "32px", height: "32px" }}
-          />
+              }
+              title={sidebarCollapsed ? "展开导航栏" : "收起导航栏"}
+              style={{ width: "32px", height: "32px" }}
+            />
+          )}
         </div>
         <div
           data-tauri-drag-region
@@ -186,6 +199,15 @@ export function ContentArea({
           }
         >
           <Space size="small">
+            {(immersiveMode || isHomePage) && (
+              <Button
+                size="small"
+                type={immersiveMode ? "primary" : "default"}
+                icon={immersiveMode ? <FullscreenExitOutlined /> : <FullscreenOutlined />}
+                onClick={onToggleImmersiveMode}
+                title={immersiveMode ? "退出沉浸模式" : "进入沉浸模式"}
+              />
+            )}
             {permissionTag}
             {hasAnyPassword && (
               <>