diff --git a/src/pages/chatConversation/ChatConversation.js b/src/pages/chatConversation/ChatConversation.js
index 4d8ef1b..5e2dcbf 100644
--- a/src/pages/chatConversation/ChatConversation.js
+++ b/src/pages/chatConversation/ChatConversation.js
@@ -135,8 +135,8 @@ const [currentStreamingMessageId, setCurrentStreamingMessageId] = useState(null)
   }
 
   // 模拟流式效果
-  const simulateStreamingEffect = (fullContent, messageId) => {
-    console.log('开始流式效果:', { fullContent: fullContent.substring(0, 100) + '...', messageId, length: fullContent.length })
+  const simulateStreamingEffect = (fullContent, messageId, hasThoughtContent = false) => {
+    console.log('开始流式效果:', { fullContent: fullContent.substring(0, 100) + '...', messageId, length: fullContent.length, hasThoughtContent })
     setIsStreaming(true)
     setStreamingContent('')
     setCurrentStreamingMessageId(messageId)
@@ -242,12 +242,15 @@ const [currentStreamingMessageId, setCurrentStreamingMessageId] = useState(null)
       console.log('Final content:', finalContent)
 
       if (finalContent.trim()) {
+        // 预判断是否包含思考内容，避免样式闪烁
+        const hasThoughtContent = deepThinkingEnabled && finalContent.includes('\n\n')
+        
         // 先添加一个空的助手消息
         const assistantMessageId = conversationStore.addMessage('assistant', '')
         setCurrentStreamingMessageId(assistantMessageId)
         
-        // 开始模拟流式效果
-        simulateStreamingEffect(finalContent, assistantMessageId)
+        // 开始模拟流式效果，传递预判断结果
+        simulateStreamingEffect(finalContent, assistantMessageId, hasThoughtContent)
       } else {
         console.log('No content, adding fallback message')
         conversationStore.addMessage('assistant', '抱歉，我无法生成回复内容。')
@@ -400,7 +403,7 @@ const [currentStreamingMessageId, setCurrentStreamingMessageId] = useState(null)
           <div className='ds-message-content'>
             {displayContent ? (
               <div>
-                {deepThinkingEnabled && displayContent.includes('\n\n') ? (
+                {deepThinkingEnabled && (displayContent.includes('\n\n') || (isStreaming && currentStreamingMessageId === msg.id)) ? (
                   // 当开启深度思考且有思考内容时，分别渲染
                   (() => {
                     const parts = displayContent.split('\n\n')