diff --git a/app/(chat)/canvas/page.tsx b/app/(chat)/canvas/page.tsx
index 511f5d2b9..539258ba8 100644
--- a/app/(chat)/canvas/page.tsx
+++ b/app/(chat)/canvas/page.tsx
@@ -1,66 +1,71 @@
-"use client";
+import { randomUUID } from "node:crypto";
+import { redirect } from "next/navigation";
+import { auth } from "@/app/(auth)/auth";
+import { db } from "@/lib/db";
+import { canvasProject } from "@/lib/db/schema";
+import { and, desc, eq } from "drizzle-orm";
 
-import { useEffect } from "react";
-import { useRouter, useSearchParams } from "next/navigation";
-import { Loader2 } from "lucide-react";
+type CanvasRedirectPageProps = {
+  searchParams?: Promise<Record<string, string | string[] | undefined>>;
+};
 
-// 默认进入最近画布，避免误触直接新建
-export default function CanvasRedirectPage() {
-  const router = useRouter();
-  const searchParams = useSearchParams();
-
-  useEffect(() => {
-    const shouldCreateNew = searchParams.get("new") === "1";
-    const passthroughParams = new URLSearchParams(searchParams.toString());
-    passthroughParams.delete("new");
-    const passthroughQuery = passthroughParams.toString();
-    const buildCanvasUrl = (canvasId: string) =>
-      `/canvas/${canvasId}${passthroughQuery ? `?${passthroughQuery}` : ""}`;
-
-    const openCanvas = async () => {
-      if (shouldCreateNew) {
-        const newId = crypto.randomUUID();
-        router.replace(buildCanvasUrl(newId));
-        return;
-      }
-
-      try {
-        const response = await fetch("/api/canvas?limit=1&page=1", {
-          cache: "no-store",
-        });
-        if (response.ok) {
-          const result = await response.json();
-          const items = result?.data || [];
-          if (Array.isArray(items) && items.length > 0) {
-            const sorted = [...items].sort((a, b) => {
-              const aTime = new Date(a.updatedAt || a.createdAt || 0).getTime();
-              const bTime = new Date(b.updatedAt || b.createdAt || 0).getTime();
-              return bTime - aTime;
-            });
-            const latest = sorted[0];
-            if (latest?.id) {
-              router.replace(buildCanvasUrl(latest.id));
-              return;
-            }
-          }
-        }
-      } catch (_error) {
-        // ignore and fallback
-      }
-
-      const newId = crypto.randomUUID();
-      router.replace(buildCanvasUrl(newId));
-    };
-
-    void openCanvas();
-  }, [router, searchParams]);
-
-  return (
-    <div className="flex items-center justify-center h-full">
-      <div className="flex flex-col items-center gap-3">
-        <Loader2 className="h-8 w-8 animate-spin text-muted-foreground" />
-        <span className="text-sm text-muted-foreground">正在打开画布...</span>
-      </div>
-    </div>
-  );
+function getSearchParam(
+  params: Record<string, string | string[] | undefined>,
+  key: string
+) {
+  const value = params[key];
+  return Array.isArray(value) ? value[0] : value;
+}
+
+function buildCanvasUrl(
+  canvasId: string,
+  params: Record<string, string | string[] | undefined>
+) {
+  const query = new URLSearchParams();
+  for (const [key, value] of Object.entries(params)) {
+    if (key === "new" || value === undefined) {
+      continue;
+    }
+    if (Array.isArray(value)) {
+      value.forEach((item) => query.append(key, item));
+      continue;
+    }
+    query.set(key, value);
+  }
+  const queryString = query.toString();
+  return `/canvas/${canvasId}${queryString ? `?${queryString}` : ""}`;
+}
+
+async function getLatestCanvasId(userId: string) {
+  const [latestProject] = await db
+    .select({ id: canvasProject.id })
+    .from(canvasProject)
+    .where(
+      and(
+        eq(canvasProject.userId, userId),
+        eq(canvasProject.workspaceType, "canvas")
+      )
+    )
+    .orderBy(desc(canvasProject.updatedAt))
+    .limit(1);
+
+  return latestProject?.id || null;
+}
+
+export default async function CanvasRedirectPage({
+  searchParams,
+}: CanvasRedirectPageProps) {
+  const params = (await searchParams) || {};
+  const shouldCreateNew = getSearchParam(params, "new") === "1";
+
+  if (shouldCreateNew) {
+    redirect(buildCanvasUrl(randomUUID(), params));
+  }
+
+  const session = await auth();
+  const latestCanvasId = session?.user?.id
+    ? await getLatestCanvasId(session.user.id).catch(() => null)
+    : null;
+
+  redirect(buildCanvasUrl(latestCanvasId || randomUUID(), params));
 }
diff --git a/app/(chat)/layout.tsx b/app/(chat)/layout.tsx
index 5bfe79233..32da4cea5 100644
--- a/app/(chat)/layout.tsx
+++ b/app/(chat)/layout.tsx
@@ -1,5 +1,4 @@
 import { cookies } from "next/headers";
-import Script from "next/script";
 import { Suspense } from "react";
 import { ChatShell } from "@/components/chat-shell";
 import { DataStreamProvider } from "@/components/data-stream-provider";
@@ -13,17 +12,11 @@ import {
 
 export default function Layout({ children }: { children: React.ReactNode }) {
   return (
-    <>
-      <Script
-        src="https://cdn.jsdelivr.net/pyodide/v0.23.4/full/pyodide.js"
-        strategy="beforeInteractive"
-      />
-      <DataStreamProvider>
-        <Suspense fallback={<div className="flex h-dvh" />}>
-          <SidebarWrapper>{children}</SidebarWrapper>
-        </Suspense>
-      </DataStreamProvider>
-    </>
+    <DataStreamProvider>
+      <Suspense fallback={<div className="flex h-dvh" />}>
+        <SidebarWrapper>{children}</SidebarWrapper>
+      </Suspense>
+    </DataStreamProvider>
   );
 }
 
diff --git a/app/(chat)/video-canvas/page.tsx b/app/(chat)/video-canvas/page.tsx
index e51bb7a22..dfffb5b4c 100644
--- a/app/(chat)/video-canvas/page.tsx
+++ b/app/(chat)/video-canvas/page.tsx
@@ -1,61 +1,79 @@
-"use client";
+import { randomUUID } from "node:crypto";
+import { redirect } from "next/navigation";
+import { auth } from "@/app/(auth)/auth";
+import { db } from "@/lib/db";
+import { canvasProject } from "@/lib/db/schema";
+import { and, desc, eq } from "drizzle-orm";
 
-import { useEffect } from "react";
-import { useRouter, useSearchParams } from "next/navigation";
-import { Loader2 } from "lucide-react";
+type VideoCanvasRedirectPageProps = {
+  searchParams?: Promise<Record<string, string | string[] | undefined>>;
+};
 
-export default function VideoCanvasRedirectPage() {
-  const router = useRouter();
-  const searchParams = useSearchParams();
-
-  useEffect(() => {
-    const shouldCreateNew = searchParams.get("new") === "1";
-
-    const openVideoCanvas = async () => {
-      if (shouldCreateNew) {
-        const newId = crypto.randomUUID();
-        router.replace(`/canvas/${newId}?mode=video&workspaceType=video`);
-        return;
-      }
-
-      try {
-        const response = await fetch(
-          "/api/canvas?workspaceType=video&limit=1&page=1",
-          { cache: "no-store" }
-        );
-        if (response.ok) {
-          const result = await response.json();
-          const items = result?.data || [];
-          if (Array.isArray(items) && items.length > 0) {
-            const sorted = [...items].sort((a, b) => {
-              const aTime = new Date(a.updatedAt || a.createdAt || 0).getTime();
-              const bTime = new Date(b.updatedAt || b.createdAt || 0).getTime();
-              return bTime - aTime;
-            });
-            const latest = sorted[0];
-            if (latest?.id) {
-              router.replace(`/canvas/${latest.id}?mode=video&workspaceType=video`);
-              return;
-            }
-          }
-        }
-      } catch (_error) {
-        // ignore and fallback
-      }
-
-      const newId = crypto.randomUUID();
-      router.replace(`/canvas/${newId}?mode=video&workspaceType=video`);
-    };
-
-    void openVideoCanvas();
-  }, [router, searchParams]);
-
-  return (
-    <div className="flex h-full items-center justify-center">
-      <div className="flex flex-col items-center gap-3">
-        <Loader2 className="h-8 w-8 animate-spin text-muted-foreground" />
-        <span className="text-sm text-muted-foreground">正在打开视频画布...</span>
-      </div>
-    </div>
-  );
+function getSearchParam(
+  params: Record<string, string | string[] | undefined>,
+  key: string
+) {
+  const value = params[key];
+  return Array.isArray(value) ? value[0] : value;
+}
+
+function buildVideoCanvasUrl(
+  canvasId: string,
+  params: Record<string, string | string[] | undefined>
+) {
+  const query = new URLSearchParams();
+  query.set("mode", "video");
+  query.set("workspaceType", "video");
+
+  for (const [key, value] of Object.entries(params)) {
+    if (
+      key === "new" ||
+      key === "mode" ||
+      key === "workspaceType" ||
+      value === undefined
+    ) {
+      continue;
+    }
+    if (Array.isArray(value)) {
+      value.forEach((item) => query.append(key, item));
+      continue;
+    }
+    query.set(key, value);
+  }
+
+  return `/canvas/${canvasId}?${query.toString()}`;
+}
+
+async function getLatestVideoCanvasId(userId: string) {
+  const [latestProject] = await db
+    .select({ id: canvasProject.id })
+    .from(canvasProject)
+    .where(
+      and(
+        eq(canvasProject.userId, userId),
+        eq(canvasProject.workspaceType, "video")
+      )
+    )
+    .orderBy(desc(canvasProject.updatedAt))
+    .limit(1);
+
+  return latestProject?.id || null;
+}
+
+export default async function VideoCanvasRedirectPage({
+  searchParams,
+}: VideoCanvasRedirectPageProps) {
+  const params = (await searchParams) || {};
+  const shouldCreateNew = getSearchParam(params, "new") === "1";
+
+  if (shouldCreateNew) {
+    redirect(buildVideoCanvasUrl(randomUUID(), params));
+  }
+
+  const session = await auth();
+  const latestCanvasId = session?.user?.id
+    ? await getLatestVideoCanvasId(session.user.id).catch(() => null)
+    : null;
+
+  redirect(buildVideoCanvasUrl(latestCanvasId || randomUUID(), params));
 }
diff --git a/components/chat-shell-chrome.tsx b/components/chat-shell-chrome.tsx
new file mode 100644
index 000000000..dcdfbf104
--- /dev/null
+++ b/components/chat-shell-chrome.tsx
@@ -0,0 +1,94 @@
+"use client";
+
+import type { User } from "next-auth";
+import { AppSidebar } from "@/components/app-sidebar";
+import { TopNavbar } from "@/components/top-navbar";
+import { SidebarInset, SidebarProvider } from "@/components/ui/sidebar";
+
+type CustomLink = {
+  id: string;
+  name: string;
+  url: string;
+  order: number;
+  toolboxGroup: number;
+};
+
+type TutorialVideo = {
+  id: string;
+  title: string;
+  videoUrl: string;
+  coverUrl: string | null;
+  description: string | null;
+  order: number;
+};
+
+export type ChatShellChromeProps = {
+  children: React.ReactNode;
+  user?: User;
+  isCollapsed: boolean;
+  siteName: string;
+  siteLogo?: string;
+  siteLogoDark?: string;
+  isAdmin: boolean;
+  settingsHref?: string | null;
+  customLinks: CustomLink[];
+  toolbox1Name: string;
+  toolbox1Enabled: boolean;
+  toolbox2Name: string;
+  toolbox2Enabled: boolean;
+  tutorialVideos: TutorialVideo[];
+  tutorialEnabled: boolean;
+  rankingEnabled: boolean;
+  productPlanningEnabled: boolean;
+  agentEnabled: boolean;
+  videoCanvasEnabled: boolean;
+};
+
+export function ChatShellChrome({
+  children,
+  user,
+  isCollapsed,
+  siteName,
+  siteLogo,
+  siteLogoDark,
+  isAdmin,
+  settingsHref = null,
+  customLinks,
+  toolbox1Name,
+  toolbox1Enabled,
+  toolbox2Name,
+  toolbox2Enabled,
+  tutorialVideos,
+  tutorialEnabled,
+  rankingEnabled,
+  productPlanningEnabled,
+  agentEnabled,
+  videoCanvasEnabled,
+}: ChatShellChromeProps) {
+  return (
+    <SidebarProvider defaultOpen={!isCollapsed}>
+      <TopNavbar
+        agentEnabled={agentEnabled}
+        customLinks={customLinks}
+        isAdmin={isAdmin}
+        productPlanningEnabled={productPlanningEnabled}
+        rankingEnabled={rankingEnabled}
+        settingsHref={settingsHref}
+        siteLogo={siteLogo}
+        siteLogoDark={siteLogoDark}
+        siteName={siteName}
+        toolbox1Enabled={toolbox1Enabled}
+        toolbox1Name={toolbox1Name}
+        toolbox2Enabled={toolbox2Enabled}
+        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} />
+        <SidebarInset className="h-full">{children}</SidebarInset>
+      </div>
+    </SidebarProvider>
+  );
+}
diff --git a/components/chat-shell.tsx b/components/chat-shell.tsx
index fa96643b8..8c6a10e05 100644
--- a/components/chat-shell.tsx
+++ b/components/chat-shell.tsx
@@ -1,10 +1,9 @@
 "use client";
 
+import dynamic from "next/dynamic";
 import { usePathname } from "next/navigation";
 import type { User } from "next-auth";
-import { AppSidebar } from "@/components/app-sidebar";
-import { TopNavbar } from "@/components/top-navbar";
-import { SidebarInset, SidebarProvider } from "@/components/ui/sidebar";
+import type { ChatShellChromeProps } from "@/components/chat-shell-chrome";
 
 type CustomLink = {
   id: string;
@@ -46,6 +45,17 @@ type ChatShellProps = {
   videoCanvasEnabled: boolean;
 };
 
+const ChatShellChrome = dynamic(
+  () =>
+    import("@/components/chat-shell-chrome").then(
+      (module) => module.ChatShellChrome
+    ),
+  {
+    loading: () => <div className="h-svh w-full overflow-hidden" />,
+    ssr: false,
+  }
+);
+
 export function ChatShell({
   children,
   user,
@@ -81,30 +91,27 @@ export function ChatShell({
     return <div className="h-svh w-full overflow-hidden">{children}</div>;
   }
 
-  return (
-    <SidebarProvider defaultOpen={!isCollapsed}>
-      <TopNavbar
-        agentEnabled={agentEnabled}
-        customLinks={customLinks}
-        isAdmin={isAdmin}
-        productPlanningEnabled={productPlanningEnabled}
-        rankingEnabled={rankingEnabled}
-        settingsHref={settingsHref}
-        siteLogo={siteLogo}
-        siteLogoDark={siteLogoDark}
-        siteName={siteName}
-        toolbox1Enabled={toolbox1Enabled}
-        toolbox1Name={toolbox1Name}
-        toolbox2Enabled={toolbox2Enabled}
-        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} />
-        <SidebarInset className="h-full">{children}</SidebarInset>
-      </div>
-    </SidebarProvider>
-  );
+  const chromeProps: ChatShellChromeProps = {
+    agentEnabled,
+    children,
+    customLinks,
+    isAdmin,
+    isCollapsed,
+    productPlanningEnabled,
+    rankingEnabled,
+    settingsHref,
+    siteLogo,
+    siteLogoDark,
+    siteName,
+    toolbox1Enabled,
+    toolbox1Name,
+    toolbox2Enabled,
+    toolbox2Name,
+    tutorialEnabled,
+    tutorialVideos,
+    user,
+    videoCanvasEnabled,
+  };
+
+  return <ChatShellChrome {...chromeProps} />;
 }
diff --git a/components/home/lovart-home.tsx b/components/home/lovart-home.tsx
index 1e40c5cd2..5bc1c9957 100644
--- a/components/home/lovart-home.tsx
+++ b/components/home/lovart-home.tsx
@@ -1,6 +1,7 @@
 "use client";
 
 import { useEffect, useMemo, useRef, useState } from "react";
+import dynamic from "next/dynamic";
 import { useRouter } from "next/navigation";
 import { signIn, signOut } from "next-auth/react";
 import { useTheme } from "next-themes";
@@ -65,7 +66,6 @@ import {
   getCanvasLaunchStorageKey,
 } from "@/lib/canvas-launch";
 import type { MembershipConfig } from "@/lib/membership/config";
-import { ImageAnnotator } from "@/components/image-annotator";
 import { HomeAnimationEmbed } from "@/components/home/home-animation-embed";
 import { FloatingSidebarRail } from "@/components/home/floating-sidebar-shell";
 import { fetchUploadWithRetry } from "@/lib/client/upload-with-retry";
@@ -74,6 +74,17 @@ import {
   type LovartHomeSidebarItemKey,
 } from "@/lib/home/lovart-sidebar-config";
 
+const ImageAnnotator = dynamic(
+  () =>
+    import("@/components/image-annotator").then(
+      (module) => module.ImageAnnotator
+    ),
+  {
+    loading: () => null,
+    ssr: false,
+  }
+);
+
 type HomeUser = {
   id: string;
   email?: string | null;