diff --git a/components/angle-edit-dialog.tsx b/components/angle-edit-dialog.tsx
index 838f36f59..5aa4d7f61 100644
--- a/components/angle-edit-dialog.tsx
+++ b/components/angle-edit-dialog.tsx
@@ -188,7 +188,7 @@ export function AngleEditDialog({
   return (
     <Dialog open={open} onOpenChange={handleOpenChange}>
       <DialogContent 
-        className="max-w-4xl p-0 gap-0 overflow-hidden border border-border/40 shadow-2xl bg-background/95 backdrop-blur-xl sm:rounded-[20px]"
+        className="max-w-4xl p-0 gap-0 overflow-hidden border border-border shadow-2xl bg-background sm:rounded-[20px]"
         onPointerDownCapture={stopDialogEventCapture}
         onPointerMoveCapture={stopDialogEventCapture}
         onPointerUpCapture={stopDialogEventCapture}
@@ -214,7 +214,7 @@ export function AngleEditDialog({
         }}
       >
         {/* 紧凑标题栏 */}
-        <div className="flex items-center justify-between px-6 py-4 border-b border-border/10">
+        <div className="flex items-center justify-between px-6 py-4 border-b border-border">
           <div className="flex items-center gap-3">
             <div className="p-2 bg-primary/10 rounded-lg">
               <Move3D className="h-4 w-4 text-primary" />
@@ -225,7 +225,7 @@ export function AngleEditDialog({
 
         <div className="flex h-[550px]">
           {/* 左侧：3D 控制区 (固定宽度 340px) */}
-          <div className="w-[340px] flex flex-col border-r border-border/10 bg-muted/5">
+          <div className="w-[340px] flex flex-col border-r border-border bg-background">
             {/* 上部内容区域 - 可伸缩 */}
             <div className="flex-1 flex flex-col p-4 overflow-hidden">
               {/* QwenCameraWidget - 包含 Canvas 和 3个角度选择器 */}
@@ -292,7 +292,7 @@ export function AngleEditDialog({
           </div>
 
           {/* 右侧：预览区 (自适应) */}
-          <div className="flex-1 flex flex-col bg-muted/5 p-4">
+          <div className="flex-1 flex flex-col bg-background p-4">
             <Tabs value={activeTab} onValueChange={(v) => setActiveTab(v as any)} className="flex-1 flex flex-col">
               <div className="flex items-center justify-between mb-4">
                 <TabsList className="h-8">
@@ -350,7 +350,7 @@ export function AngleEditDialog({
                           className="max-w-full max-h-full object-contain animate-in fade-in zoom-in-95 duration-300"
                         />
                         <div className="absolute bottom-4 right-4 opacity-0 group-hover:opacity-100 transition-opacity duration-200">
-                          <Button onClick={handleDownload} size="sm" variant="secondary" className="shadow-lg backdrop-blur-md bg-background/80 hover:bg-background/90">
+                          <Button onClick={handleDownload} size="sm" variant="secondary" className="shadow-lg bg-background hover:bg-muted">
                             <Download className="h-4 w-4 mr-2" />
                             下载图片
                           </Button>
diff --git a/components/qwen-camera-widget.tsx b/components/qwen-camera-widget.tsx
index f5862d803..7c6cb04f8 100644
--- a/components/qwen-camera-widget.tsx
+++ b/components/qwen-camera-widget.tsx
@@ -173,8 +173,8 @@ export function QwenCameraWidget({
     
     // 场景
     const scene = new THREE.Scene();
-    // 移除背景色，使用透明背景
-    // scene.background = new THREE.Color(0x0a0a0f); 
+    // 固定为不透明背景，避免弹窗出现透底
+    scene.background = new THREE.Color(0x111827);
     sceneRef.current = scene;
     
     // 相机
@@ -190,7 +190,7 @@ export function QwenCameraWidget({
     const renderer = new THREE.WebGLRenderer({
       canvas: canvasRef.current,
       antialias: true,
-      alpha: true, // 启用透明
+      alpha: false,
     });
     renderer.setSize(width, height);
     renderer.setPixelRatio(Math.min(window.devicePixelRatio, 2));
@@ -590,9 +590,9 @@ export function QwenCameraWidget({
   };
 
   return (
-    <div className={cn("flex flex-col bg-transparent h-full", className)} ref={containerRef}>
+    <div className={cn("flex flex-col bg-background h-full", className)} ref={containerRef}>
       {/* 3D 画布 - 占据剩余空间 */}
-      <div className="relative flex-1 min-h-0 bg-muted/20 rounded-lg overflow-hidden border">
+      <div className="relative flex-1 min-h-0 bg-muted rounded-lg overflow-hidden border">
         <canvas
           ref={canvasRef}
           className="w-full h-full block cursor-grab active:cursor-grabbing touch-none select-none"
@@ -608,7 +608,7 @@ export function QwenCameraWidget({
         />
         
         {/* 提示词浮层 - 放在底部 */}
-        <div className="absolute bottom-2 left-2 right-2 bg-background/80 backdrop-blur-md border rounded px-2 py-1 text-[10px] font-mono text-center shadow-sm select-all opacity-70 hover:opacity-100 transition-opacity truncate">
+        <div className="absolute bottom-2 left-2 right-2 bg-background border rounded px-2 py-1 text-[10px] font-mono text-center shadow-sm select-all truncate">
           {generatePrompt(state)}
         </div>
       </div>