diff --git a/components/image-annotator.tsx b/components/image-annotator.tsx
index 988e8df..f34a03d 100644
--- a/components/image-annotator.tsx
+++ b/components/image-annotator.tsx
@@ -1205,11 +1205,6 @@ export function ImageAnnotator({ imageUrl, onConfirm, onCancel, initialResizeMod
     onConfirm(dataUrl);
   };
 
-  // 决定显示哪个 LOGO（根据主题）
-  const displayLogo = resolvedTheme === "dark" && siteLogoDark 
-    ? siteLogoDark 
-    : siteLogo;
-
   // 弹窗内容
   const modalContent = (
     <div 
@@ -1221,24 +1216,24 @@ export function ImageAnnotator({ imageUrl, onConfirm, onCancel, initialResizeMod
         className="flex flex-col overflow-hidden w-full h-full"
         onClick={(e) => e.stopPropagation()}
       >
-        {/* 顶部标题栏 */}
-        <div className="flex items-center justify-between border-b px-4 py-3">
+        {/* 顶部标题栏 - 始终深色模式 */}
+        <div className="flex items-center justify-between border-b border-zinc-700 px-4 py-3 bg-zinc-900 text-white">
           <Link 
             href="/" 
             className="flex items-center gap-2 hover:opacity-80 transition-opacity"
             onClick={(e) => e.stopPropagation()}
           >
-            {displayLogo ? (
+            {siteLogoDark || siteLogo ? (
               <>
                 <img 
-                  src={displayLogo} 
+                  src={siteLogoDark || siteLogo || undefined} 
                   alt={siteName}
                   className="h-6 w-auto"
                 />
-                <span className="text-base font-medium">{siteName}</span>
+                <span className="text-base font-medium text-white">{siteName}</span>
               </>
             ) : (
-              <span className="text-base font-medium">{siteName}</span>
+              <span className="text-base font-medium text-white">{siteName}</span>
             )}
           </Link>
           <div className="flex items-center gap-2">
@@ -1248,6 +1243,7 @@ export function ImageAnnotator({ imageUrl, onConfirm, onCancel, initialResizeMod
               onClick={handleRemoveBackground} 
               disabled={isRemovingBg || isEnhancing || isExtending || isResizeMode || showAngleEditDialog || showSceneFusion || !image}
               title="移除背景（抠图）"
+              className="text-zinc-300 hover:text-white hover:bg-zinc-800"
             >
               <Scissors className={`mr-1 h-4 w-4 ${isRemovingBg ? "animate-spin" : ""}`} />
               {isRemovingBg ? "处理中..." : "抠图"}
@@ -1258,6 +1254,7 @@ export function ImageAnnotator({ imageUrl, onConfirm, onCancel, initialResizeMod
               onClick={handleEnhance} 
               disabled={isEnhancing || isRemovingBg || isExtending || isResizeMode || showAngleEditDialog || showSceneFusion || !image}
               title="图片变清晰"
+              className="text-zinc-300 hover:text-white hover:bg-zinc-800"
             >
               <Sparkles className={`mr-1 h-4 w-4 ${isEnhancing ? "animate-spin" : ""}`} />
               {isEnhancing ? "处理中..." : "变清晰"}
@@ -1268,6 +1265,7 @@ export function ImageAnnotator({ imageUrl, onConfirm, onCancel, initialResizeMod
               onClick={handleExtend} 
               disabled={isExtending || isRemovingBg || isEnhancing || isResizeMode || showAngleEditDialog || showSceneFusion || !image}
               title="图像拓展"
+              className="text-zinc-300 hover:text-white hover:bg-zinc-800"
             >
               <Expand className={`mr-1 h-4 w-4 ${isExtending ? "animate-spin" : ""}`} />
               {isExtending ? "处理中..." : "图像拓展"}
@@ -1277,6 +1275,7 @@ export function ImageAnnotator({ imageUrl, onConfirm, onCancel, initialResizeMod
               size="sm" 
               onClick={handleResize} 
               disabled={isResizeMode || isRemovingBg || isEnhancing || isExtending || showAngleEditDialog || showSceneFusion || !image}
+              className="text-zinc-300 hover:text-white hover:bg-zinc-800"
               title="尺寸调整"
             >
               <Maximize2 className="mr-1 h-4 w-4" />
@@ -1288,6 +1287,7 @@ export function ImageAnnotator({ imageUrl, onConfirm, onCancel, initialResizeMod
               onClick={handleAngleEdit} 
               disabled={showAngleEditDialog || isRemovingBg || isEnhancing || isExtending || isResizeMode || showSceneFusion || !image}
               title="角度调整"
+              className="text-zinc-300 hover:text-white hover:bg-zinc-800"
             >
               <Move3D className="mr-1 h-4 w-4" />
               角度调整
@@ -1305,23 +1305,24 @@ export function ImageAnnotator({ imageUrl, onConfirm, onCancel, initialResizeMod
               }} 
               disabled={showAngleEditDialog || isRemovingBg || isEnhancing || isExtending || isResizeMode}
               title="场景裂变"
+              className={showSceneFusion ? "bg-primary text-white" : "text-zinc-300 hover:text-white hover:bg-zinc-800"}
             >
               <Layers className="mr-1 h-4 w-4" />
               场景裂变
             </Button>
             {!showSceneFusion && (
               <>
-                <Button variant="ghost" size="sm" onClick={handleUndo} disabled={actions.length === 0}>
+                <Button variant="ghost" size="sm" onClick={handleUndo} disabled={actions.length === 0} className="text-zinc-300 hover:text-white hover:bg-zinc-800">
                   <Undo className="mr-1 h-4 w-4" />
                   撤销
                 </Button>
-                <Button variant="ghost" size="sm" onClick={handleClear} disabled={actions.length === 0}>
+                <Button variant="ghost" size="sm" onClick={handleClear} disabled={actions.length === 0} className="text-zinc-300 hover:text-white hover:bg-zinc-800">
                   <Trash2 className="mr-1 h-4 w-4" />
                   清空
                 </Button>
               </>
             )}
-            <Button variant="ghost" size="sm" onClick={onCancel}>
+            <Button variant="ghost" size="sm" onClick={onCancel} className="text-zinc-300 hover:text-white hover:bg-zinc-800">
               <X className="mr-1 h-4 w-4" />
               取消
             </Button>