diff --git a/app/canvas/[id]/model3d/page.tsx b/app/canvas/[id]/model3d/page.tsx
index fc5cfbc74..2fa8b6331 100644
--- a/app/canvas/[id]/model3d/page.tsx
+++ b/app/canvas/[id]/model3d/page.tsx
@@ -987,7 +987,7 @@ export default function CanvasModel3DPage() {
   const activePromptSummary = currentTask?.prompt?.trim() || "尚未创建任务";
 
   return (
-    <div className="flex h-dvh w-full flex-col bg-background p-4">
+    <div className="flex h-dvh w-full flex-col overflow-y-auto bg-background p-4 xl:overflow-hidden">
       <div className="mb-4 flex items-center justify-between gap-3">
         <div className="flex items-center gap-2">
           <Button variant="outline" size="icon" onClick={() => router.push(`/canvas/${id}`)}>
@@ -1010,13 +1010,13 @@ export default function CanvasModel3DPage() {
         </div>
       </div>
 
-      <div className="grid min-h-0 flex-1 grid-cols-1 gap-4 xl:grid-cols-[340px_minmax(0,1fr)_340px]">
-        <Card className="min-h-0">
+      <div className="grid flex-1 grid-cols-1 gap-4 pb-4 xl:min-h-0 xl:grid-cols-[340px_minmax(0,1fr)_340px] xl:pb-0">
+        <Card className="min-h-0 xl:flex xl:flex-col">
           <CardHeader className="pb-3">
             <CardTitle className="text-base">生成参数</CardTitle>
             <CardDescription>补齐多视图与高级参数</CardDescription>
           </CardHeader>
-          <CardContent className="space-y-4 overflow-y-auto">
+          <CardContent className="space-y-4 overflow-y-auto xl:min-h-0 xl:flex-1">
             <div className="grid grid-cols-3 gap-1 rounded-lg border bg-muted/30 p-1">
               <Button
                 variant={mode === "text" ? "default" : "ghost"}
@@ -1305,7 +1305,7 @@ export default function CanvasModel3DPage() {
           </CardContent>
         </Card>
 
-        <Card className="min-h-0">
+        <Card className="min-h-0 xl:flex xl:flex-col">
           <CardHeader className="pb-2">
             <CardTitle className="flex items-center gap-2 text-base">
               <Box className="h-4 w-4" />
@@ -1677,7 +1677,7 @@ export default function CanvasModel3DPage() {
           </CardContent>
         </Card>
 
-        <Card className="min-h-0">
+        <Card className="min-h-0 xl:flex xl:flex-col">
           <CardHeader className="pb-2">
             <CardTitle className="text-base">任务 / 层级 / 属性</CardTitle>
             <CardDescription>{activePromptSummary}</CardDescription>