diff --git a/app/(admin)/layout.tsx b/app/(admin)/layout.tsx
index ee5dfe96f..fd960eca7 100644
--- a/app/(admin)/layout.tsx
+++ b/app/(admin)/layout.tsx
@@ -50,6 +50,7 @@ export default async function AdminLayout({
         tutorialEnabled={siteSettings.tutorialEnabled ?? false}
         rankingEnabled={siteSettings.rankingEnabled ?? true}
         productPlanningEnabled={(siteSettings as any).productPlanningEnabled ?? true}
+        videoCanvasEnabled={(siteSettings as any).videoCanvasEnabled ?? true}
       />
       <div className="flex-1 pl-16">{children}</div>
     </div>
diff --git a/app/(admin)/settings/admin-settings-client.tsx b/app/(admin)/settings/admin-settings-client.tsx
index ddb60bbe3..95039602a 100644
--- a/app/(admin)/settings/admin-settings-client.tsx
+++ b/app/(admin)/settings/admin-settings-client.tsx
@@ -482,6 +482,7 @@ type SiteSettings = {
   canvasEnabled: boolean;
   agentEnabled: boolean;
   canvasAgentModeEnabled: boolean;
+  videoCanvasEnabled: boolean;
   videoCanvasSidebarEnabled: boolean;
   agentCategoryTreeConfig: {
     productCategories: string[];
@@ -989,6 +990,7 @@ export function AdminSettingsClient() {
     canvasEnabled: true,
     agentEnabled: true,
     canvasAgentModeEnabled: true,
+    videoCanvasEnabled: true,
     videoCanvasSidebarEnabled: true,
     agentCategoryTreeConfig: {
       productCategories: [],
@@ -1093,6 +1095,10 @@ export function AdminSettingsClient() {
         agentEnabled: (siteSettingsData as any).agentEnabled ?? true,
         canvasAgentModeEnabled:
           (siteSettingsData as any).canvasAgentModeEnabled ?? true,
+        videoCanvasEnabled:
+          (siteSettingsData as any).videoCanvasEnabled ??
+          (siteSettingsData as any).videoCanvasSidebarEnabled ??
+          true,
         videoCanvasSidebarEnabled:
           (siteSettingsData as any).videoCanvasSidebarEnabled ?? true,
         agentCategoryTreeConfig: {
@@ -9432,25 +9438,48 @@ export function AdminSettingsClient() {
 
                       <div className="flex items-center justify-between rounded-lg border p-3">
                         <div className="space-y-0.5">
-                          <Label htmlFor="videoCanvasSidebarEnabled">
-                            视频画布模块侧边栏
+                          <Label htmlFor="videoCanvasEnabled">
+                            视频画布功能
                           </Label>
                           <div className="text-xs text-muted-foreground">
-                            开启后，视频画布左侧显示“视频模块”分层侧边栏；关闭后只保留画布本体与节点快捷添加。
+                            开启后，首页和顶部导航显示“视频画布”入口；关闭后隐藏入口按钮。
                           </div>
                         </div>
                         <Switch
-                          id="videoCanvasSidebarEnabled"
-                          checked={siteSettings.videoCanvasSidebarEnabled}
+                          id="videoCanvasEnabled"
+                          checked={siteSettings.videoCanvasEnabled}
                           onCheckedChange={(checked) =>
                             setSiteSettings({
                               ...siteSettings,
-                              videoCanvasSidebarEnabled: checked,
+                              videoCanvasEnabled: checked,
                             })
                           }
                         />
                       </div>
 
+                      {siteSettings.videoCanvasEnabled && (
+                        <div className="flex items-center justify-between rounded-lg border p-3">
+                          <div className="space-y-0.5">
+                            <Label htmlFor="videoCanvasSidebarEnabled">
+                              视频画布模块侧边栏
+                            </Label>
+                            <div className="text-xs text-muted-foreground">
+                              开启后，视频画布左侧显示“视频模块”分层侧边栏；关闭后只保留画布本体与节点快捷添加。
+                            </div>
+                          </div>
+                          <Switch
+                            id="videoCanvasSidebarEnabled"
+                            checked={siteSettings.videoCanvasSidebarEnabled}
+                            onCheckedChange={(checked) =>
+                              setSiteSettings({
+                                ...siteSettings,
+                                videoCanvasSidebarEnabled: checked,
+                              })
+                            }
+                          />
+                        </div>
+                      )}
+
                       <div className="flex items-center justify-between rounded-lg border p-3">
                         <div className="space-y-0.5">
                           <Label htmlFor="aiDetailGenerationEnabled">
diff --git a/app/(chat)/layout.tsx b/app/(chat)/layout.tsx
index a9e627238..5bfe79233 100644
--- a/app/(chat)/layout.tsx
+++ b/app/(chat)/layout.tsx
@@ -80,6 +80,7 @@ async function SidebarWrapper({ children }: { children: React.ReactNode }) {
       rankingEnabled={siteSettings.rankingEnabled ?? true}
       productPlanningEnabled={(siteSettings as any).productPlanningEnabled ?? true}
       agentEnabled={(siteSettings as any).agentEnabled ?? true}
+      videoCanvasEnabled={(siteSettings as any).videoCanvasEnabled ?? true}
     >
       {children}
     </ChatShell>
diff --git a/app/api/site-settings/route.ts b/app/api/site-settings/route.ts
index bf4bec891..491c14003 100644
--- a/app/api/site-settings/route.ts
+++ b/app/api/site-settings/route.ts
@@ -109,6 +109,7 @@ const REALTIME_CANVAS_CONFIG_KEY = "realtime_canvas_config";
 const LAYER_SPLIT_CONFIG_KEY = "layer_split_config";
 const AGENT_CATEGORY_TREE_CONFIG_KEY = "agent_category_tree_config";
 const CANVAS_AGENT_MODE_ENABLED_KEY = "canvas_agent_mode_enabled";
+const VIDEO_CANVAS_ENABLED_KEY = "video_canvas_enabled";
 const VIDEO_CANVAS_SIDEBAR_ENABLED_KEY = "video_canvas_sidebar_enabled";
 
 function normalizeHomeVariant(value: unknown): "classic" | "lovart" {
@@ -228,6 +229,17 @@ function normalizeCanvasAgentModeEnabled(value: unknown): boolean {
   return value !== false;
 }
 
+function normalizeVideoCanvasEnabled(
+  value: unknown,
+  fallbackValue: unknown = true
+): boolean {
+  if (value !== undefined && value !== null) {
+    return value !== false;
+  }
+
+  return fallbackValue !== false;
+}
+
 function normalizeVideoCanvasSidebarEnabled(value: unknown): boolean {
   return value !== false;
 }
@@ -289,6 +301,7 @@ export async function GET() {
       realtimeCanvasConfigSetting,
       layerSplitConfigSetting,
       canvasAgentModeEnabledSetting,
+      videoCanvasEnabledSetting,
       videoCanvasSidebarEnabledSetting,
       storageFailoverConfigSetting,
       ossImageMigrationConfigSetting,
@@ -402,6 +415,12 @@ export async function GET() {
         .where(eq(systemSettings.key, CANVAS_AGENT_MODE_ENABLED_KEY))
         .limit(1)
         .then(rows => rows[0]),
+      db
+        .select()
+        .from(systemSettings)
+        .where(eq(systemSettings.key, VIDEO_CANVAS_ENABLED_KEY))
+        .limit(1)
+        .then(rows => rows[0]),
       db
         .select()
         .from(systemSettings)
@@ -525,6 +544,10 @@ export async function GET() {
     const videoCanvasSidebarEnabled = normalizeVideoCanvasSidebarEnabled(
       videoCanvasSidebarEnabledSetting?.value
     );
+    const videoCanvasEnabled = normalizeVideoCanvasEnabled(
+      videoCanvasEnabledSetting?.value,
+      videoCanvasSidebarEnabledSetting?.value
+    );
     const storageFailoverConfig = normalizeStorageFailoverConfig(
       storageFailoverConfigSetting?.value
     );
@@ -601,6 +624,7 @@ export async function GET() {
         canvasEnabled: true,
         agentEnabled: true,
         canvasAgentModeEnabled: true,
+        videoCanvasEnabled: true,
         videoCanvasSidebarEnabled: true,
         agentPresetLibraryConfig: defaultAgentPresetLibraryConfig,
         agentCategoryTreeConfig: normalizeAgentCategoryTreeConfig(undefined),
@@ -680,6 +704,7 @@ export async function GET() {
         realtimeCanvasServiceEnabled,
         layerSplitEnabled,
         canvasAgentModeEnabled,
+        videoCanvasEnabled,
         videoCanvasSidebarEnabled,
         storageFailoverConfig,
         ossImageMigrationConfig,
@@ -758,6 +783,7 @@ const updateSchema = z.object({
   canvasEnabled: z.boolean().optional(),
   agentEnabled: z.boolean().optional(),
   canvasAgentModeEnabled: z.boolean().optional(),
+  videoCanvasEnabled: z.boolean().optional(),
   videoCanvasSidebarEnabled: z.boolean().optional(),
   agentPresetLibraryConfig: z
     .object({
@@ -1128,6 +1154,7 @@ export async function PUT(request: NextRequest) {
       storageFailoverConfig,
       ossImageMigrationConfig,
       canvasAgentModeEnabled,
+      videoCanvasEnabled,
       videoCanvasSidebarEnabled,
       homeAnimationConfig,
       ...siteSettingsPayload
@@ -1347,6 +1374,26 @@ export async function PUT(request: NextRequest) {
           });
       }
 
+      if (videoCanvasEnabled !== undefined) {
+        const normalized = normalizeVideoCanvasEnabled(videoCanvasEnabled);
+        await db
+          .insert(systemSettings)
+          .values({
+            key: VIDEO_CANVAS_ENABLED_KEY,
+            value: normalized,
+            updatedAt: new Date(),
+            updatedBy: session.user.id,
+          })
+          .onConflictDoUpdate({
+            target: systemSettings.key,
+            set: {
+              value: normalized,
+              updatedAt: new Date(),
+              updatedBy: session.user.id,
+            },
+          });
+      }
+
       if (videoCanvasSidebarEnabled !== undefined) {
         const normalized = normalizeVideoCanvasSidebarEnabled(videoCanvasSidebarEnabled);
         await db
@@ -1863,6 +1910,10 @@ export async function PUT(request: NextRequest) {
           canvasAgentModeEnabled !== undefined
             ? normalizeCanvasAgentModeEnabled(canvasAgentModeEnabled)
             : normalizeCanvasAgentModeEnabled(undefined),
+        videoCanvasEnabled:
+          videoCanvasEnabled !== undefined
+            ? normalizeVideoCanvasEnabled(videoCanvasEnabled)
+            : normalizeVideoCanvasEnabled(undefined, videoCanvasSidebarEnabled),
         videoCanvasSidebarEnabled:
           videoCanvasSidebarEnabled !== undefined
             ? normalizeVideoCanvasSidebarEnabled(videoCanvasSidebarEnabled)
@@ -2417,6 +2468,26 @@ export async function PUT(request: NextRequest) {
           });
       }
 
+      if (videoCanvasEnabled !== undefined) {
+        const normalized = normalizeVideoCanvasEnabled(videoCanvasEnabled);
+        await db
+          .insert(systemSettings)
+          .values({
+            key: VIDEO_CANVAS_ENABLED_KEY,
+            value: normalized,
+            updatedAt: new Date(),
+            updatedBy: session.user.id,
+          })
+          .onConflictDoUpdate({
+            target: systemSettings.key,
+            set: {
+              value: normalized,
+              updatedAt: new Date(),
+              updatedBy: session.user.id,
+            },
+          });
+      }
+
       return NextResponse.json({
         ...created,
         homeVariant: homeVariant ?? normalizeHomeVariant(undefined),
@@ -2519,6 +2590,10 @@ export async function PUT(request: NextRequest) {
           canvasAgentModeEnabled !== undefined
             ? normalizeCanvasAgentModeEnabled(canvasAgentModeEnabled)
             : normalizeCanvasAgentModeEnabled(undefined),
+        videoCanvasEnabled:
+          videoCanvasEnabled !== undefined
+            ? normalizeVideoCanvasEnabled(videoCanvasEnabled)
+            : normalizeVideoCanvasEnabled(undefined, videoCanvasSidebarEnabled),
         videoCanvasSidebarEnabled:
           videoCanvasSidebarEnabled !== undefined
             ? normalizeVideoCanvasSidebarEnabled(videoCanvasSidebarEnabled)
diff --git a/components/chat-shell.tsx b/components/chat-shell.tsx
index 5b3c6c845..fa96643b8 100644
--- a/components/chat-shell.tsx
+++ b/components/chat-shell.tsx
@@ -43,6 +43,7 @@ type ChatShellProps = {
   rankingEnabled: boolean;
   productPlanningEnabled: boolean;
   agentEnabled: boolean;
+  videoCanvasEnabled: boolean;
 };
 
 export function ChatShell({
@@ -65,6 +66,7 @@ export function ChatShell({
   rankingEnabled,
   productPlanningEnabled,
   agentEnabled,
+  videoCanvasEnabled,
 }: ChatShellProps) {
   const pathname = usePathname();
   const isLovartHome = pathname === "/" && homeVariant === "lovart";
@@ -97,6 +99,7 @@ export function ChatShell({
         toolbox2Name={toolbox2Name}
         tutorialEnabled={tutorialEnabled}
         tutorialVideos={tutorialVideos}
+        videoCanvasEnabled={videoCanvasEnabled}
       />
       <div className="flex h-svh w-full overflow-hidden pl-16 [--sidebar-offset:4rem]">
         <AppSidebar user={user} />
diff --git a/components/home/lovart-home.tsx b/components/home/lovart-home.tsx
index 2ed4c8047..1546a3561 100644
--- a/components/home/lovart-home.tsx
+++ b/components/home/lovart-home.tsx
@@ -454,6 +454,7 @@ export function LovartHome({
     toolbox2Enabled?: boolean;
     productPlanningEnabled?: boolean;
     agentEnabled?: boolean;
+    videoCanvasEnabled?: boolean;
     tutorialEnabled?: boolean;
     tutorialVideoUrl?: string | null;
     pointsPackages?: PointsPackage[];
@@ -1584,19 +1585,21 @@ export function LovartHome({
                 <TooltipContent side="right">风格化</TooltipContent>
               </Tooltip>
             ) : null}
-            <Tooltip>
-              <TooltipTrigger asChild>
-                <button
-                  type="button"
-                  className="flex h-10 w-10 items-center justify-center rounded-full hover:bg-black/5"
-                  onClick={() => router.push("/video-canvas")}
-                  title="视频画布"
-                >
-                  <Clapperboard className="h-[18px] w-[18px]" />
-                </button>
-              </TooltipTrigger>
-              <TooltipContent side="right">视频画布</TooltipContent>
-            </Tooltip>
+            {siteSettingsData?.videoCanvasEnabled !== false ? (
+              <Tooltip>
+                <TooltipTrigger asChild>
+                  <button
+                    type="button"
+                    className="flex h-10 w-10 items-center justify-center rounded-full hover:bg-black/5"
+                    onClick={() => router.push("/video-canvas")}
+                    title="视频画布"
+                  >
+                    <Clapperboard className="h-[18px] w-[18px]" />
+                  </button>
+                </TooltipTrigger>
+                <TooltipContent side="right">视频画布</TooltipContent>
+              </Tooltip>
+            ) : null}
             <Tooltip>
               <TooltipTrigger asChild>
                 <button
diff --git a/components/top-navbar.tsx b/components/top-navbar.tsx
index 7016ef3d9..cd0689e1f 100644
--- a/components/top-navbar.tsx
+++ b/components/top-navbar.tsx
@@ -78,6 +78,7 @@ type TopNavbarProps = {
   rankingEnabled?: boolean;
   productPlanningEnabled?: boolean;
   agentEnabled?: boolean;
+  videoCanvasEnabled?: boolean;
 };
 
 export function TopNavbar({
@@ -96,6 +97,7 @@ export function TopNavbar({
   rankingEnabled = true,
   productPlanningEnabled = true,
   agentEnabled = true,
+  videoCanvasEnabled = true,
 }: TopNavbarProps) {
   const router = useRouter();
   const { resolvedTheme } = useTheme();
@@ -604,17 +606,19 @@ export function TopNavbar({
           </button>
         )}
 
-        <button
-          className={navItemBaseClass}
-          onClick={() => {
-            window.location.href = "/video-canvas";
-          }}
-          title="视频画布"
-          type="button"
-        >
-          <Clapperboard className="h-5 w-5" />
-          <span className={navLabelClass}>{getShortLabel("视频画布")}</span>
-        </button>
+        {videoCanvasEnabled && (
+          <button
+            className={navItemBaseClass}
+            onClick={() => {
+              window.location.href = "/video-canvas";
+            }}
+            title="视频画布"
+            type="button"
+          >
+            <Clapperboard className="h-5 w-5" />
+            <span className={navLabelClass}>{getShortLabel("视频画布")}</span>
+          </button>
+        )}
 
         <button
           className={navItemBaseClass}
diff --git a/lib/db/queries.ts b/lib/db/queries.ts
index 9ab0894b1..67cf56e7b 100644
--- a/lib/db/queries.ts
+++ b/lib/db/queries.ts
@@ -4450,6 +4450,7 @@ export async function getSiteSettings() {
     rankingEnabled: true,
     productPlanningEnabled: true,
     agentEnabled: true,
+    videoCanvasEnabled: true,
     canvasDetailAgentModelId: null,
     lovartPromoText: "现在升级，立享 Kling 3.0 与 Nano Banana Pro，最高 5 折优惠",
     lovartPromoActionText: "立即升级",
@@ -4457,8 +4458,19 @@ export async function getSiteSettings() {
     lovartHeroSubtitle: "懂你的设计代理，帮你搞定一切",
   };
   try {
-    const [settings] = await db.select().from(siteSettings).limit(1);
-    return settings || defaultSettings;
+    const [settings, videoCanvasEnabledSetting, videoCanvasSidebarEnabledSetting] =
+      await Promise.all([
+        db.select().from(siteSettings).limit(1).then((rows) => rows[0]),
+        getSystemSetting({ key: "video_canvas_enabled" }).catch(() => null),
+        getSystemSetting({ key: "video_canvas_sidebar_enabled" }).catch(() => null),
+      ]);
+    const videoCanvasEnabled =
+      videoCanvasEnabledSetting?.value !== undefined &&
+      videoCanvasEnabledSetting?.value !== null
+        ? videoCanvasEnabledSetting.value !== false
+        : videoCanvasSidebarEnabledSetting?.value !== false;
+
+    return { ...(settings || defaultSettings), videoCanvasEnabled };
   } catch (_error) {
     return defaultSettings;
   }