diff --git a/app/(admin)/settings/admin-settings-client.tsx b/app/(admin)/settings/admin-settings-client.tsx
index 4bad711f0..80b4a3607 100644
--- a/app/(admin)/settings/admin-settings-client.tsx
+++ b/app/(admin)/settings/admin-settings-client.tsx
@@ -418,6 +418,7 @@ type SiteSettings = {
   canvasEnabled: boolean;
   agentEnabled: boolean;
   canvasAgentModeEnabled: boolean;
+  videoCanvasSidebarEnabled: boolean;
   agentCategoryTreeConfig: {
     productCategories: string[];
     audienceTags: string[];
@@ -915,6 +916,7 @@ export function AdminSettingsClient() {
     canvasEnabled: true,
     agentEnabled: true,
     canvasAgentModeEnabled: true,
+    videoCanvasSidebarEnabled: true,
     agentCategoryTreeConfig: {
       productCategories: [],
       audienceTags: [],
@@ -1014,6 +1016,8 @@ export function AdminSettingsClient() {
         agentEnabled: (siteSettingsData as any).agentEnabled ?? true,
         canvasAgentModeEnabled:
           (siteSettingsData as any).canvasAgentModeEnabled ?? true,
+        videoCanvasSidebarEnabled:
+          (siteSettingsData as any).videoCanvasSidebarEnabled ?? true,
         agentCategoryTreeConfig: {
           productCategories: Array.isArray(
             (siteSettingsData as any).agentCategoryTreeConfig?.productCategories
@@ -8566,6 +8570,27 @@ export function AdminSettingsClient() {
                         />
                       </div>
 
+                      <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/api/site-settings/route.ts b/app/api/site-settings/route.ts
index 224a761e6..c7032224e 100644
--- a/app/api/site-settings/route.ts
+++ b/app/api/site-settings/route.ts
@@ -107,6 +107,7 @@ const STORAGE_FAILOVER_CONFIG_KEY = "storage_failover_config";
 const REALTIME_CANVAS_CONFIG_KEY = "realtime_canvas_config";
 const AGENT_CATEGORY_TREE_CONFIG_KEY = "agent_category_tree_config";
 const CANVAS_AGENT_MODE_ENABLED_KEY = "canvas_agent_mode_enabled";
+const VIDEO_CANVAS_SIDEBAR_ENABLED_KEY = "video_canvas_sidebar_enabled";
 
 function normalizeHomeVariant(value: unknown): "classic" | "lovart" {
   return value === "lovart" ? "lovart" : "classic";
@@ -225,6 +226,10 @@ function normalizeCanvasAgentModeEnabled(value: unknown): boolean {
   return value !== false;
 }
 
+function normalizeVideoCanvasSidebarEnabled(value: unknown): boolean {
+  return value !== false;
+}
+
 function normalizeAgentCategoryTreeConfig(value: unknown): AgentCategoryTreeConfig {
   const raw =
     value && typeof value === "object" && !Array.isArray(value)
@@ -274,6 +279,7 @@ export async function GET() {
       dulupayConfigSetting,
       realtimeCanvasConfigSetting,
       canvasAgentModeEnabledSetting,
+      videoCanvasSidebarEnabledSetting,
       storageFailoverConfigSetting,
       ossImageMigrationConfigSetting,
       agentPresetLibraryConfigSetting,
@@ -380,6 +386,12 @@ 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_SIDEBAR_ENABLED_KEY))
+        .limit(1)
+        .then(rows => rows[0]),
       db
         .select()
         .from(systemSettings)
@@ -491,6 +503,9 @@ export async function GET() {
     const canvasAgentModeEnabled = normalizeCanvasAgentModeEnabled(
       canvasAgentModeEnabledSetting?.value
     );
+    const videoCanvasSidebarEnabled = normalizeVideoCanvasSidebarEnabled(
+      videoCanvasSidebarEnabledSetting?.value
+    );
     const storageFailoverConfig = normalizeStorageFailoverConfig(
       storageFailoverConfigSetting?.value
     );
@@ -567,6 +582,7 @@ export async function GET() {
         canvasEnabled: true,
         agentEnabled: true,
         canvasAgentModeEnabled: true,
+        videoCanvasSidebarEnabled: true,
         agentPresetLibraryConfig: defaultAgentPresetLibraryConfig,
         agentCategoryTreeConfig: normalizeAgentCategoryTreeConfig(undefined),
         agentSecondaryTypeConfig: defaultAgentSecondaryTypeConfig,
@@ -643,6 +659,7 @@ export async function GET() {
         dulupayConfig,
         realtimeCanvasServiceEnabled,
         canvasAgentModeEnabled,
+        videoCanvasSidebarEnabled,
         storageFailoverConfig,
         ossImageMigrationConfig,
     });
@@ -689,6 +706,7 @@ const updateSchema = z.object({
   canvasEnabled: z.boolean().optional(),
   agentEnabled: z.boolean().optional(),
   canvasAgentModeEnabled: z.boolean().optional(),
+  videoCanvasSidebarEnabled: z.boolean().optional(),
   agentPresetLibraryConfig: z
     .object({
       sections: z
@@ -1086,6 +1104,7 @@ export async function PUT(request: NextRequest) {
       storageFailoverConfig,
       ossImageMigrationConfig,
       canvasAgentModeEnabled,
+      videoCanvasSidebarEnabled,
       homeAnimationConfig,
       ...siteSettingsPayload
     } = data;
@@ -1304,6 +1323,26 @@ export async function PUT(request: NextRequest) {
           });
       }
 
+      if (videoCanvasSidebarEnabled !== undefined) {
+        const normalized = normalizeVideoCanvasSidebarEnabled(videoCanvasSidebarEnabled);
+        await db
+          .insert(systemSettings)
+          .values({
+            key: VIDEO_CANVAS_SIDEBAR_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 (agentPresetLibraryConfig !== undefined) {
         const normalized = normalizeAgentPresetLibraryConfig(agentPresetLibraryConfig);
         await db
@@ -1800,6 +1839,10 @@ export async function PUT(request: NextRequest) {
           canvasAgentModeEnabled !== undefined
             ? normalizeCanvasAgentModeEnabled(canvasAgentModeEnabled)
             : normalizeCanvasAgentModeEnabled(undefined),
+        videoCanvasSidebarEnabled:
+          videoCanvasSidebarEnabled !== undefined
+            ? normalizeVideoCanvasSidebarEnabled(videoCanvasSidebarEnabled)
+            : normalizeVideoCanvasSidebarEnabled(undefined),
       });
     } else {
       // 创建新设置
@@ -2004,6 +2047,26 @@ export async function PUT(request: NextRequest) {
           });
       }
 
+      if (videoCanvasSidebarEnabled !== undefined) {
+        const normalized = normalizeVideoCanvasSidebarEnabled(videoCanvasSidebarEnabled);
+        await db
+          .insert(systemSettings)
+          .values({
+            key: VIDEO_CANVAS_SIDEBAR_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 (agentPresetLibraryConfig !== undefined) {
         const normalized = normalizeAgentPresetLibraryConfig(agentPresetLibraryConfig);
         await db
@@ -2432,6 +2495,10 @@ export async function PUT(request: NextRequest) {
           canvasAgentModeEnabled !== undefined
             ? normalizeCanvasAgentModeEnabled(canvasAgentModeEnabled)
             : normalizeCanvasAgentModeEnabled(undefined),
+        videoCanvasSidebarEnabled:
+          videoCanvasSidebarEnabled !== undefined
+            ? normalizeVideoCanvasSidebarEnabled(videoCanvasSidebarEnabled)
+            : normalizeVideoCanvasSidebarEnabled(undefined),
       });
     }
   } catch (error) {
diff --git a/app/canvas/[id]/page.tsx b/app/canvas/[id]/page.tsx
index 3ffc03557..2836b4a9c 100644
--- a/app/canvas/[id]/page.tsx
+++ b/app/canvas/[id]/page.tsx
@@ -1225,6 +1225,7 @@ export default function CanvasEditorPage({ params }: PageProps) {
     siteLogoDark?: string | null;
     agentEnabled?: boolean;
     canvasAgentModeEnabled?: boolean;
+    videoCanvasSidebarEnabled?: boolean;
     realtimeCanvasEnabled?: boolean;
     realtimeCanvasServiceEnabled?: boolean;
     agentWorkflowShowcaseConfig?: AgentWorkflowShowcaseConfig;
@@ -1267,6 +1268,8 @@ export default function CanvasEditorPage({ params }: PageProps) {
   const isAgentWorkspaceEnabled = siteSettingsData?.agentEnabled !== false;
   const isCanvasAgentModeEnabled =
     siteSettingsData?.canvasAgentModeEnabled !== false;
+  const isVideoModuleSidebarEnabled =
+    siteSettingsData?.videoCanvasSidebarEnabled !== false;
   const isAgentMode = isAgentWorkspaceEnabled && requestedAgentMode;
   const hasLoadedCurrentAgentProject =
     !requestedAgentMode ||
@@ -1401,7 +1404,7 @@ export default function CanvasEditorPage({ params }: PageProps) {
     selectedWorkflowQuickConnectAnchor && selectedVideoWorkflowNode
       ? selectedVideoWorkflowNode
       : null;
-  const videoModuleSidebarWidth = isVideoMode
+  const videoModuleSidebarWidth = isVideoMode && isVideoModuleSidebarEnabled
     ? isVideoModuleSidebarCollapsed
       ? 58
       : 236
@@ -8289,7 +8292,7 @@ export default function CanvasEditorPage({ params }: PageProps) {
           </DropdownMenu>
         ) : null}
 
-        {isVideoMode ? (
+        {isVideoMode && isVideoModuleSidebarEnabled ? (
           <div
             className="pointer-events-auto absolute top-16 left-4 z-20"
             style={{ width: `${videoModuleSidebarWidth}px` }}