diff --git a/miniprogram/pages/qa_exercise/qa_exercise.wxml b/miniprogram/pages/qa_exercise/qa_exercise.wxml
index 1b13e5b..45bdc7c 100644
--- a/miniprogram/pages/qa_exercise/qa_exercise.wxml
+++ b/miniprogram/pages/qa_exercise/qa_exercise.wxml
@@ -24,7 +24,7 @@
         <view class="process-dot {{processDotClasses[index]}} {{index === currentIndex ? 'current' : ''}}"></view>
       </block>
     </view>
-    <scroll-view class="question-scroll {{conversationViewMode === 'chat' && isChatInputVisible ? 'chat-input-mode-scroll' : 'chat-mode-scroll'}}" scroll-y="true" scroll-into-view="{{scrollIntoView}}" scroll-with-animation>
+    <scroll-view class="question-scroll {{questionMode === 'conversation' && conversationViewMode === 'chat' && isChatInputVisible ? 'chat-input-mode-scroll' : 'chat-mode-scroll'}}" scroll-y="true" scroll-into-view="{{scrollIntoView}}" scroll-with-animation>
       <view class="image-card" wx:if="{{questionMode !== 'variation'}}">
         <image wx:if="{{imageLocalUrl}}" class="image" src="{{imageLocalUrl}}" mode="aspectFill" bindtap="previewImage" bindload="onImageLoad" binderror="onImageError"></image>
         <view class="view-full" wx:if="{{imageLocalUrl}}" bindtap="previewImage">