diff --git a/components/messages.tsx b/components/messages.tsx
index d18df2f..bd4a74d 100644
--- a/components/messages.tsx
+++ b/components/messages.tsx
@@ -126,6 +126,8 @@ function PureMessages({
 
   // 控制等待动画延迟消失（Gemini 图片模型延迟 4 秒，其他模型 6 秒）
   const [showThinkingWithDelay, setShowThinkingWithDelay] = useState(false);
+  // 🆕 智能自动模式：收到对话消息后延迟显示生图占位图
+  const [showImagePlaceholderDelayed, setShowImagePlaceholderDelayed] = useState(false);
   
   useEffect(() => {
     const lastMessage = messages.length > 0 ? messages[messages.length - 1] : null;
@@ -222,21 +224,29 @@ function PureMessages({
     if (isAutoModeWithImage) {
       if (hasImageContent) {
         // 图片已生成，延迟后隐藏占位图
+        setShowImagePlaceholderDelayed(false);
         const timer = setTimeout(() => {
           setShowThinkingWithDelay(false);
         }, delayTime);
         return () => clearTimeout(timer);
       } else if (isGeneratingImage) {
-        // 收到 GENERATING_IMAGE 标记，显示生图占位图
-        setShowThinkingWithDelay(true);
+        // 收到 GENERATING_IMAGE 标记，延迟6秒后显示生图占位图
+        // 立即隐藏思考动画（因为对话文字已经显示了）
+        setShowThinkingWithDelay(false);
+        
+        // 延迟6秒后显示生图占位图
+        const timer = setTimeout(() => {
+          setShowImagePlaceholderDelayed(true);
+        }, 6000);
+        return () => clearTimeout(timer);
       } else if (status === "submitted" || (status === "streaming" && !hasTextContent)) {
         // 正在分析意图，显示普通思考动画
         setShowThinkingWithDelay(true);
-      } else if (status === "streaming" && hasTextContent && !isGeneratingImage) {
-        // 对话消息出现了但还没有 GENERATING_IMAGE 标记，继续显示思考动画
-        setShowThinkingWithDelay(true);
+        setShowImagePlaceholderDelayed(false);
       } else {
+        // 其他情况：隐藏所有占位图
         setShowThinkingWithDelay(false);
+        setShowImagePlaceholderDelayed(false);
       }
     } else {
       // 非智能自动模式的原有逻辑
@@ -363,6 +373,17 @@ function PureMessages({
               messagesCount: messages.length,
             });
             
+            // 🆕 检查智能自动模式
+            const isAutoMode = selectedModelId === "auto";
+            const lastUserMsg = [...messages].reverse().find(m => m.role === "user");
+            const userMessageHasImage = lastUserMsg?.parts?.some((p: any) => p.type === "file" || p.type === "image");
+            
+            // 🆕 智能自动模式：使用延迟状态显示生图占位图
+            if (isAutoMode && userMessageHasImage && showImagePlaceholderDelayed) {
+              console.log("[Messages] ✅ 显示智能处理生图占位图 (延迟后)");
+              return <ImageGenerationLoading imageCount={imageCount} maxImages={6} providerType="alibaba-image" modelName="智能处理" />;
+            }
+            
             // 显示条件：正常等待动画 或 恢复的待处理状态
             const shouldShow = showThinkingWithDelay || hasRestoredPending;
             
@@ -380,30 +401,12 @@ function PureMessages({
             const showAlibabaImage = modelType === "alibaba-image" || (!modelType && isAlibabaImageModel);
             const showVideo = modelType === "volcano-video" || modelType === "qianwen-video" || (!modelType && (isQianwenVideoModel || isVideoModel));
             
-            // 🆕 检查智能自动模式
-            const isAutoMode = selectedModelId === "auto";
-            const lastUserMsg = [...messages].reverse().find(m => m.role === "user");
-            const userMessageHasImage = lastUserMsg?.parts?.some((p: any) => p.type === "file" || p.type === "image");
-            
-            // 🆕 检查是否收到了 GENERATING_IMAGE 标记（表示对话已发送，开始生图）
-            const hasGeneratingMarker = messages.some(msg => 
-              msg.role === "assistant" && msg.parts?.some(
-                (part: any) => part.type === "text" && part.text?.includes("<!-- GENERATING_IMAGE -->")
-              )
-            );
-            
-            // 🆕 智能自动模式：根据阶段显示不同占位图
-            const showAutoModeImagePlaceholder = isAutoMode && userMessageHasImage && hasGeneratingMarker;
-            const showAutoModeThinking = isAutoMode && userMessageHasImage && !hasGeneratingMarker;
-            
             if (showVideo) return <QianwenVideoLoading />;
             if (showGemini) return <GeminiImageLoading imageCount={imageCount} />;
             if (showVolcano) return <VolcanoVisionLoading imageCount={imageCount} />;
             if (showAlibabaImage) return <ImageGenerationLoading imageCount={imageCount} maxImages={6} providerType="alibaba-image" modelName={currentModelDisplayName} />;
-            // 🆕 智能自动模式：收到 GENERATING_IMAGE 后显示生图占位图
-            if (showAutoModeImagePlaceholder) return <ImageGenerationLoading imageCount={imageCount} maxImages={6} providerType="alibaba-image" modelName="智能处理" />;
             // 🆕 智能自动模式：分析阶段显示思考动画
-            if (showAutoModeThinking) return <ThinkingMessage />;
+            if (isAutoMode && userMessageHasImage) return <ThinkingMessage />;
             // 其他情况显示通用思考动画
             return <ThinkingMessage />;
           })()}