fix: use window.location for logo and canvas navigation

components/top-navbar.tsx

@@ -125,7 +125,14 @@ export function TopNavbar({
   return (
     <nav className="fixed top-0 left-0 right-0 z-[100] flex h-12 items-center justify-between bg-black/90 backdrop-blur-sm px-4 text-white border-b border-white/10 shadow-sm">
       {/* 左侧：LOGO + 网站名称 */}
-      <Link href="/" className="flex items-center gap-2 transition-opacity hover:opacity-80">
+      <a 
+        href="/" 
+        className="flex items-center gap-2 transition-opacity hover:opacity-80"
+        onClick={(e) => {
+          e.preventDefault();
+          window.location.href = "/";
+        }}
+      >
         {displayLogo && (
           <img
             src={displayLogo}
@@ -134,7 +141,7 @@ export function TopNavbar({
           />
         )}
         <span className="text-sm font-semibold">{siteName}</span>
-      </Link>
+      </a>
 
       {/* 右侧区域：自定义链接 + 系统设置 */}
       <div className="flex items-center gap-2">
@@ -260,8 +267,7 @@ export function TopNavbar({
           className="flex items-center gap-1 h-8 px-3 text-white hover:bg-white/15 hover:text-white rounded-full transition-colors text-sm font-medium"
           onClick={() => {
             const newId = crypto.randomUUID();
-            router.push(`/canvas/${newId}`);
-            router.refresh();
+            window.location.href = `/canvas/${newId}`;
           }}
           type="button"
           title="无限画布"