diff --git a/src/components/ConversationView.vue b/src/components/ConversationView.vue
index 0b0666f..77c390b 100644
--- a/src/components/ConversationView.vue
+++ b/src/components/ConversationView.vue
@@ -120,7 +120,12 @@ onMounted(async () => {
       settings.updateChatMessage(activeSession.value.id, currentStreamingMessageId.value, {
         translated: (activeSession.value.messages.find(m => m.id === currentStreamingMessageId.value)?.translated || '') + event.payload
       });
-      scrollToBottom();
+      
+      // 优化：只有当正在流式输出的消息是最后一条时，才自动滚动到底部
+      const lastMsg = activeSession.value.messages[activeSession.value.messages.length - 1];
+      if (lastMsg && lastMsg.id === currentStreamingMessageId.value) {
+        scrollToBottom();
+      }
     }
   });
 });
@@ -378,8 +383,22 @@ const refineMessage = async (messageId: string) => {
     .replace(/{FROM_LANG}/g, fromLang.englishName)
     .replace(/{TO_LANG}/g, toLang.englishName);
 
+  // 使用审计专用配置
+  let refineApiBaseUrl = settings.apiBaseUrl;
+  let refineApiKey = settings.apiKey;
+  let refineModelName = settings.modelName;
+
+  if (settings.evaluationProfileId) {
+    const profile = settings.profiles.find(p => p.id === settings.evaluationProfileId);
+    if (profile) {
+      refineApiBaseUrl = profile.apiBaseUrl;
+      refineApiKey = profile.apiKey;
+      refineModelName = profile.modelName;
+    }
+  }
+
   const requestBody = {
-    model: settings.modelName,
+    model: refineModelName,
     messages: [
       { role: "system", content: systemPrompt },
       { role: "user", content: `Please refine the following original text: ${msg.original}` }
@@ -387,12 +406,12 @@ const refineMessage = async (messageId: string) => {
     stream: settings.enableStreaming
   };
 
-  settings.addLog('request', { type: 'conversation-refine', ...requestBody }, generateCurl(settings.apiBaseUrl, settings.apiKey, requestBody));
+  settings.addLog('request', { type: 'conversation-refine', ...requestBody }, generateCurl(refineApiBaseUrl, refineApiKey, requestBody));
 
   try {
     const response = await invoke<string>('translate', { 
-      apiAddress: settings.apiBaseUrl, 
-      apiKey: settings.apiKey, 
+      apiAddress: refineApiBaseUrl, 
+      apiKey: refineApiKey, 
       payload: requestBody 
     });