diff --git a/pages/feedback/index.ts b/pages/feedback/index.ts
index 131faa9..38e4598 100644
--- a/pages/feedback/index.ts
+++ b/pages/feedback/index.ts
@@ -364,7 +364,7 @@ Page({
       return
     }
 
-    const prefix = `${session.lessonCount}节 · ${formatVoiceDuration(session.totalDurationMs)}`
+    const prefix = `语音记录 · ${session.lessonCount}节 · ${formatVoiceDuration(session.totalDurationMs)}`
     let suffix = '已就绪'
     if (session.failedSegmentCount > 0) suffix = `${session.failedSegmentCount}段转录失败`
     else if (session.processingSegmentCount > 0) suffix = '正在处理'
@@ -494,6 +494,10 @@ Page({
     copyApiRequestId(this.data.errorRequestId)
   },
 
+  dismissError() {
+    this.setData({ errorMessage: '', errorRequestId: '' })
+  },
+
   onProfileChange(event: PickerEvent) {
     this.clearDraftSaveTimer()
     this.clearSummaryPollTimer()
diff --git a/pages/feedback/index.wxml b/pages/feedback/index.wxml
index 82a3db4..ee371c3 100644
--- a/pages/feedback/index.wxml
+++ b/pages/feedback/index.wxml
@@ -6,8 +6,11 @@
   <text class="page-subtitle">填写课堂表现并保存到教学反馈记录。</text>
 
   <view wx:if="{{errorMessage}}" class="status-banner feedback-error-banner">
-    <view class="status-copy">
+    <view class="feedback-error-heading">
       <text class="feedback-error-message">{{errorMessage}}</text>
+      <button class="feedback-error-close" aria-label="关闭提示" bindtap="dismissError">
+        <view class="feedback-error-close-icon"></view>
+      </button>
     </view>
     <view class="feedback-error-footer">
       <view wx:if="{{errorRequestId}}" class="feedback-error-reference">
@@ -61,7 +64,7 @@
           <text class="voice-button-icon">{{recording ? '■' : '●'}}</text>
           <text>{{recording ? '结束录音' : '语音录入'}}</text>
         </button>
-        <view class="voice-state {{voiceActionable ? 'voice-state-actionable' : ''}}" bindtap="toggleVoiceDetails">
+        <view class="voice-state {{voiceActionable ? 'voice-state-actionable' : ''}}" aria-role="button" aria-label="{{voiceDetailsExpanded ? '收起语音记录' : '展开语音记录'}}" bindtap="toggleVoiceDetails">
           <text class="voice-status">{{voiceStatus}}</text>
           <text wx:if="{{recording}}" class="recording-time">{{recordingTime}}</text>
           <view wx:elif="{{voiceActionable}}" class="voice-state-arrow {{voiceDetailsExpanded ? 'voice-state-arrow-expanded' : ''}}"></view>
diff --git a/pages/feedback/index.wxss b/pages/feedback/index.wxss
index 3427c35..9053bab 100644
--- a/pages/feedback/index.wxss
+++ b/pages/feedback/index.wxss
@@ -13,16 +13,67 @@
   gap: 14rpx;
 }
 
-.feedback-error-message {
-  display: block;
-}
-
+.feedback-error-heading,
 .feedback-error-footer,
 .feedback-error-reference {
   display: flex;
   align-items: center;
 }
 
+.feedback-error-heading {
+  justify-content: space-between;
+  gap: 18rpx;
+}
+
+.feedback-error-message {
+  display: block;
+  flex: 1;
+  min-width: 0;
+}
+
+.feedback-error-close {
+  display: flex;
+  flex: none;
+  align-items: center;
+  justify-content: center;
+  width: 48rpx;
+  height: 48rpx;
+  margin: -8rpx -8rpx -8rpx 0;
+  padding: 0;
+  border: 0;
+  background: transparent;
+}
+
+.feedback-error-close::after {
+  border: 0;
+}
+
+.feedback-error-close-icon {
+  position: relative;
+  width: 22rpx;
+  height: 22rpx;
+}
+
+.feedback-error-close-icon::before,
+.feedback-error-close-icon::after {
+  position: absolute;
+  top: 10rpx;
+  left: 1rpx;
+  width: 20rpx;
+  height: 2rpx;
+  border-radius: 1rpx;
+  background: #8e5b5b;
+  content: '';
+}
+
+.feedback-error-close-icon::before {
+  transform: rotate(45deg);
+}
+
+.feedback-error-close-icon::after {
+  transform: rotate(-45deg);
+}
+
 .feedback-error-footer {
   justify-content: flex-end;
   gap: 18rpx;