fix: 使用useParams确保客户端导航时id正确更新

app/canvas/[id]/page.tsx

@@ -1,7 +1,7 @@
 "use client";
 
 import { useEffect, useState, useCallback, use } from "react";
-import { useRouter } from "next/navigation";
+import { useRouter, useParams } from "next/navigation";
 import { 
   ArrowLeft,
   Save, 
@@ -83,7 +83,9 @@ const SIZE_PRESETS = [
 ];
 
 export default function CanvasEditorPage({ params }: PageProps) {
-  const { id } = use(params);
+  // 使用 useParams 确保客户端导航时能正确获取更新的 id
+  const routeParams = useParams();
+  const id = (routeParams?.id as string) || use(params).id;
   const router = useRouter();
   
   // Store state