diff --git a/frontend/src/pages/business/MeetingDetail.tsx b/frontend/src/pages/business/MeetingDetail.tsx
index 57bbb10..e16d680 100644
--- a/frontend/src/pages/business/MeetingDetail.tsx
+++ b/frontend/src/pages/business/MeetingDetail.tsx
@@ -1,4 +1,4 @@
-import React, { useEffect, useMemo, useRef, useState } from 'react';
+import React, { useCallback, useEffect, useMemo, useRef, useState } from 'react';
 import { useNavigate, useParams } from 'react-router-dom';
 import {
   Avatar,
@@ -100,6 +100,7 @@ const ANALYSIS_EMPTY: MeetingAnalysis = {
   todos: [],
 };
 
+
 const splitLines = (value?: string | null) =>
   (value || '')
     .split(/\r?\n/)
@@ -175,7 +176,7 @@ const parseOverviewSection = (markdown: string) =>
 const parseKeywordsSection = (markdown: string, tags: string) => {
   const section = extractSection(markdown, ['关键词', '关键字', '标签']);
   const fromSection = parseBulletList(section)
-    .flatMap((line) => line.split(/[，、,]/))
+    .flatMap((line) => line.split(/[，、]/))
     .map((item) => item.trim())
     .filter(Boolean);
 
@@ -300,7 +301,7 @@ const MeetingProgressDisplay: React.FC<{ meetingId: number; onComplete: () => vo
   const isError = percent < 0;
 
   const formatEta = (seconds?: number) => {
-    if (!seconds || seconds <= 0) return '正在分析中';
+    if (!seconds || seconds <= 0) return '计算中';
     if (seconds < 60) return `${seconds} 秒`;
     const minutes = Math.floor(seconds / 60);
     const remainSeconds = seconds % 60;
@@ -336,7 +337,7 @@ const MeetingProgressDisplay: React.FC<{ meetingId: number; onComplete: () => vo
           <Text strong style={{ fontSize: 18, color: isError ? '#ff4d4f' : '#5d67ff', display: 'block', marginBottom: 8 }}>
             {progress?.message || '正在准备计算资源...'}
           </Text>
-          <Text type="secondary">分析过程中请稍候，你可以先处理其他工作。</Text>
+          <Text type="secondary">分析进行中，请稍候，你可以先处理其他工作。</Text>
         </div>
         <Divider style={{ margin: '32px 0' }} />
         <Row gutter={24}>
@@ -413,6 +414,117 @@ const SpeakerEditor: React.FC<{
   );
 };
 
+type ActiveTranscriptRowProps = {
+  item: MeetingTranscriptVO;
+  meetingId: number;
+  isOwner: boolean;
+  isEditing: boolean;
+  isSaving: boolean;
+  speakerLabelMap: Map<string, string>;
+  onSeek: (timeMs: number) => void;
+  onStartEdit: (item: MeetingTranscriptVO, event: React.MouseEvent) => void;
+  onDraftBlur: (item: MeetingTranscriptVO, value: string) => void;
+  onDraftKeyDown: (item: MeetingTranscriptVO, value: string, event: React.KeyboardEvent<HTMLTextAreaElement>) => void;
+  onSpeakerUpdated: () => void;
+};
+
+const ActiveTranscriptRow = React.memo<ActiveTranscriptRowProps>(({
+  item,
+  meetingId,
+  isOwner,
+  isEditing,
+  isSaving,
+  speakerLabelMap,
+  onSeek,
+  onStartEdit,
+  onDraftBlur,
+  onDraftKeyDown,
+  onSpeakerUpdated,
+}) => {
+  const [draftValue, setDraftValue] = useState(item.content || '');
+  const speakerTagLabel = item.speakerLabel ? (speakerLabelMap.get(item.speakerLabel) || item.speakerLabel) : '';
+
+  useEffect(() => {
+    if (isEditing) {
+      setDraftValue(item.content || '');
+    }
+  }, [isEditing, item.content]);
+
+  return (
+    <List.Item className="transcript-row" onClick={() => onSeek(item.startTime)}>
+      <div className="transcript-time">{formatTime(item.startTime)}</div>
+      <div className="transcript-entry">
+        <div className="transcript-meta">
+          <Avatar icon={<UserOutlined />} className="transcript-avatar" />
+          {isOwner ? (
+            <Popover
+              content={(
+                <SpeakerEditor
+                  meetingId={meetingId}
+                  speakerId={item.speakerId}
+                  initialName={item.speakerName}
+                  initialLabel={item.speakerLabel}
+                  onSuccess={onSpeakerUpdated}
+                />
+              )}
+              title="编辑发言人"
+              trigger="click"
+            >
+              <span className="transcript-speaker editable" onClick={(event) => event.stopPropagation()}>
+                {item.speakerName || item.speakerId || '发言人'} <EditOutlined style={{ fontSize: 12 }} />
+              </span>
+            </Popover>
+          ) : (
+            <span className="transcript-speaker">{item.speakerName || item.speakerId || '发言人'}</span>
+          )}
+          <Text type="secondary">{formatTime(item.startTime)}</Text>
+          {speakerTagLabel && <Tag color="blue">{speakerTagLabel}</Tag>}
+        </div>
+        {isEditing ? (
+          <div
+            className={`transcript-bubble transcript-bubble-editing ${isSaving ? 'is-saving' : ''}`}
+            onClick={(event) => event.stopPropagation()}
+          >
+            <Input.TextArea
+              autoFocus
+              value={draftValue}
+              style={{ width: '100%' }}
+              onChange={(event) => setDraftValue(event.target.value)}
+              onKeyDown={(event) => onDraftKeyDown(item, draftValue, event)}
+              onBlur={(event) => {
+                event.stopPropagation();
+                onDraftBlur(item, draftValue);
+              }}
+              autoSize={{ minRows: 1, maxRows: 8 }}
+              className="transcript-bubble-input"
+              bordered={false}
+            />
+          </div>
+        ) : (
+          <div
+            className={`transcript-bubble ${isOwner ? 'editable' : ''}`}
+            onDoubleClick={isOwner ? (event) => onStartEdit(item, event) : undefined}
+          >
+            {item.content}
+          </div>
+        )}
+      </div>
+    </List.Item>
+  );
+}, (prevProps, nextProps) => (
+  prevProps.item === nextProps.item
+  && prevProps.meetingId === nextProps.meetingId
+  && prevProps.isOwner === nextProps.isOwner
+  && prevProps.isEditing === nextProps.isEditing
+  && prevProps.isSaving === nextProps.isSaving
+  && prevProps.speakerLabelMap === nextProps.speakerLabelMap
+  && prevProps.onSeek === nextProps.onSeek
+  && prevProps.onStartEdit === nextProps.onStartEdit
+  && prevProps.onDraftBlur === nextProps.onDraftBlur
+  && prevProps.onDraftKeyDown === nextProps.onDraftKeyDown
+  && prevProps.onSpeakerUpdated === nextProps.onSpeakerUpdated
+));
+
 const MeetingDetail: React.FC = () => {
   const { id } = useParams<{ id: string }>();
   const navigate = useNavigate();
@@ -434,7 +546,6 @@ const MeetingDetail: React.FC = () => {
   const [selectedKeywords, setSelectedKeywords] = useState<string[]>([]);
   const [addingHotwords, setAddingHotwords] = useState(false);
   const [editingTranscriptId, setEditingTranscriptId] = useState<number | null>(null);
-  const [transcriptDraft, setTranscriptDraft] = useState('');
   const [savingTranscriptId, setSavingTranscriptId] = useState<number | null>(null);
   const [audioCurrentTime, setAudioCurrentTime] = useState(0);
   const [audioDuration, setAudioDuration] = useState(0);
@@ -461,6 +572,10 @@ const MeetingDetail: React.FC = () => {
     analysis.todos.length
   );
   const visibleKeywords = expandKeywords ? analysis.keywords : analysis.keywords.slice(0, 9);
+  const speakerLabelMap = useMemo(
+    () => new Map(speakerLabels.map((item) => [item.itemValue, item.itemLabel])),
+    [speakerLabels],
+  );
 
   const isOwner = useMemo(() => {
     if (!meeting) return false;
@@ -516,7 +631,7 @@ const MeetingDetail: React.FC = () => {
     };
   }, [meeting?.audioUrl, audioPlaybackRate]);
 
-  const fetchData = async (meetingId: number) => {
+  const fetchData = useCallback(async (meetingId: number) => {
     try {
       const [detailRes, transcriptRes] = await Promise.all([getMeetingDetail(meetingId), getTranscripts(meetingId)]);
       setMeeting(detailRes.data.data);
@@ -526,7 +641,7 @@ const MeetingDetail: React.FC = () => {
     } finally {
       setLoading(false);
     }
-  };
+  }, []);
 
   const loadAiConfigs = async () => {
     try {
@@ -625,11 +740,10 @@ const MeetingDetail: React.FC = () => {
     });
   };
 
-  /*
   const handleAddSelectedHotwords = async () => {
     const keywords = selectedKeywords.map((item) => item.trim()).filter(Boolean);
     if (!keywords.length) {
-      message.warning('请先勾选关键词');
+      message.warning('请先选择关键词');
       return;
     }
 
@@ -644,7 +758,7 @@ const MeetingDetail: React.FC = () => {
       const toCreate = keywords.filter((item) => !existingWords.has(item));
 
       if (!toCreate.length) {
-        message.info('所选关键词已全部存在于热词库');
+        message.info('所选关键词已存在于热词库');
         return;
       }
 
@@ -658,106 +772,7 @@ const MeetingDetail: React.FC = () => {
             weight: 2,
             status: 1,
             isPublic: 0,
-            remark: meeting ? `来源于会议《${meeting.title}》` : '来源于会议关键词',
-          }),
-        ),
-      );
-
-      const skippedCount = keywords.length - toCreate.length;
-      message.success(skippedCount > 0 ? `已新增 ${toCreate.length} 个热词，跳过 ${skippedCount} 个重复项` : `已新增 ${toCreate.length} 个热词`);
-      setSelectedKeywords([]);
-    } catch (error) {
-      console.error(error);
-    } finally {
-      setAddingHotwords(false);
-    }
-  };
-
-  };
-  */
-
-  /*
-  const handleAddSelectedHotwords = async () => {
-    const keywords = selectedKeywords.map((item) => item.trim()).filter(Boolean);
-    if (!keywords.length) {
-      message.warning('请先勾选关键词');
-      return;
-    }
-
-    setAddingHotwords(true);
-    try {
-      const existingRes = await getHotWordPage({ current: 1, size: 500, word: '' });
-      const existingWords = new Set(
-        (existingRes.data?.data?.records || [])
-          .map((item) => item.word?.trim())
-          .filter(Boolean),
-      );
-      const toCreate = keywords.filter((item) => !existingWords.has(item));
-
-      if (!toCreate.length) {
-        message.info('所选关键词已全部存在于热词库');
-        return;
-      }
-
-      await Promise.all(
-        toCreate.map((word) =>
-          saveHotWord({
-            word,
-            pinyinList: [],
-            matchStrategy: 1,
-            category: '',
-            weight: 2,
-            status: 1,
-            isPublic: 0,
-            remark: meeting ? `来源于会议《${meeting.title}》` : '来源于会议关键词',
-          }),
-        ),
-      );
-
-      const skippedCount = keywords.length - toCreate.length;
-      message.success(skippedCount > 0 ? `已新增 ${toCreate.length} 个热词，跳过 ${skippedCount} 个重复项` : `已新增 ${toCreate.length} 个热词`);
-      setSelectedKeywords([]);
-    } catch (error) {
-      console.error(error);
-    } finally {
-      setAddingHotwords(false);
-    }
-  };
-  */
-
-  const handleAddSelectedHotwords = async () => {
-    const keywords = selectedKeywords.map((item) => item.trim()).filter(Boolean);
-    if (!keywords.length) {
-      message.warning('Please select keywords first');
-      return;
-    }
-
-    setAddingHotwords(true);
-    try {
-      const existingRes = await getHotWordPage({ current: 1, size: 500, word: '' });
-      const existingWords = new Set(
-        (existingRes.data?.data?.records || [])
-          .map((item) => item.word?.trim())
-          .filter(Boolean),
-      );
-      const toCreate = keywords.filter((item) => !existingWords.has(item));
-
-      if (!toCreate.length) {
-        message.info('Selected keywords already exist in hot words');
-        return;
-      }
-
-      await Promise.all(
-        toCreate.map((word) =>
-          saveHotWord({
-            word,
-            pinyinList: [],
-            matchStrategy: 1,
-            category: '',
-            weight: 2,
-            status: 1,
-            isPublic: 0,
-            remark: meeting ? `From meeting: ${meeting.title}` : 'From meeting keywords',
+            remark: meeting ? `来源于会议：${meeting.title}` : '来源于会议关键词',
           }),
         ),
       );
@@ -765,8 +780,8 @@ const MeetingDetail: React.FC = () => {
       const skippedCount = keywords.length - toCreate.length;
       message.success(
         skippedCount > 0
-          ? `Added ${toCreate.length} hot words, skipped ${skippedCount} duplicates`
-          : `Added ${toCreate.length} hot words`,
+          ? `已新增 ${toCreate.length} 个热词，跳过 ${skippedCount} 个重复项`
+          : `已新增 ${toCreate.length} 个热词`,
       );
       setSelectedKeywords([]);
     } catch (error) {
@@ -776,20 +791,18 @@ const MeetingDetail: React.FC = () => {
     }
   };
 
-  const handleStartEditTranscript = (item: MeetingTranscriptVO, event: React.MouseEvent) => {
+  const handleStartEditTranscript = useCallback((item: MeetingTranscriptVO, event: React.MouseEvent) => {
     event.stopPropagation();
     setEditingTranscriptId(item.id);
-    setTranscriptDraft(item.content || '');
-  };
+  }, []);
 
-  const handleCancelEditTranscript = (event?: React.SyntheticEvent) => {
+  const handleCancelEditTranscript = useCallback((event?: React.SyntheticEvent) => {
     event?.stopPropagation();
     setEditingTranscriptId(null);
-    setTranscriptDraft('');
-  };
+  }, []);
 
-  const handleSaveTranscript = async (item: MeetingTranscriptVO, nextContent?: string) => {
-    const content = (nextContent ?? transcriptDraft).trim();
+  const handleSaveTranscript = useCallback(async (item: MeetingTranscriptVO, nextContent?: string) => {
+    const content = (nextContent ?? item.content ?? '').trim();
     if (!content) {
       message.warning('转录内容不能为空');
       return;
@@ -816,24 +829,33 @@ const MeetingDetail: React.FC = () => {
     } finally {
       setSavingTranscriptId(null);
     }
-  };
+  }, [fetchData, handleCancelEditTranscript, meeting]);
 
-  const handleTranscriptDraftKeyDown = (item: MeetingTranscriptVO, event: React.KeyboardEvent<HTMLDivElement>) => {
+  const handleTranscriptDraftKeyDown = useCallback((item: MeetingTranscriptVO, value: string, event: React.KeyboardEvent<HTMLTextAreaElement>) => {
     if (event.key === 'Escape') {
       handleCancelEditTranscript();
       return;
     }
     if ((event.ctrlKey || event.metaKey) && event.key === 'Enter') {
       event.preventDefault();
-      void handleSaveTranscript(item);
+      void handleSaveTranscript(item, value);
     }
-  };
+  }, [handleCancelEditTranscript, handleSaveTranscript]);
 
-  const seekTo = (timeMs: number) => {
+  const handleTranscriptDraftBlur = useCallback((item: MeetingTranscriptVO, value: string) => {
+    void handleSaveTranscript(item, value);
+  }, [handleSaveTranscript]);
+
+  const handleTranscriptSpeakerUpdated = useCallback(() => {
+    if (!meeting) return;
+    void fetchData(meeting.id);
+  }, [fetchData, meeting]);
+
+  const seekTo = useCallback((timeMs: number) => {
     if (!audioRef.current) return;
     audioRef.current.currentTime = timeMs / 1000;
     audioRef.current.play();
-  };
+  }, []);
 
   const toggleAudioPlayback = () => {
     if (!audioRef.current) return;
@@ -1022,7 +1044,7 @@ const MeetingDetail: React.FC = () => {
                       )}
                     </div>
                     <div className="summary-actions">
-                      <span className={`status-pill ${hasAnalysis ? 'success' : 'warning'}`}>{hasAnalysis ? '已生成' : '待生成'}</span>
+                        <span className={`status-pill ${hasAnalysis ? 'success' : 'warning'}`}>{hasAnalysis ? '已生成' : '待生成'}</span>
                     </div>
                   </div>
 
@@ -1113,8 +1135,8 @@ const MeetingDetail: React.FC = () => {
                           analysis.speakerSummaries.map((item, index) => (
                             <div className="speaker-summary-card" key={`${item.speaker}-${index}`}>
                               <div className="speaker-summary-side">
-                                <div className="speaker-avatar">{(item.speaker || '发').slice(0, 1)}</div>
-                                <div className="speaker-summary-name">{item.speaker || `发言人 ${index + 1}`}</div>
+                                  <div className="speaker-avatar">{(item.speaker || '发').slice(0, 1)}</div>
+                                  <div className="speaker-summary-name">{item.speaker || `发言人${index + 1}`}</div>
                               </div>
                               <div className="speaker-summary-body">
                                 <div className="speaker-summary-meta">发言概述</div>
@@ -1172,7 +1194,7 @@ const MeetingDetail: React.FC = () => {
                 <div className="section-divider-note">
                   <div className="section-divider-line" />
                   <div className="section-divider-text">
-                    智能内容由 AI 模型生成，我们不对内容准确性和完整性做任何保证，亦不代表我们的观点或态度
+                    智能内容由 AI 模型生成，我们不对内容准确性和完整性作任何保证，也不代表我们的观点或态度
                   </div>
                   <div className="section-divider-line" />
                 </div>
@@ -1182,85 +1204,19 @@ const MeetingDetail: React.FC = () => {
                   <List
                     dataSource={transcripts}
                     renderItem={(item) => (
-                      <List.Item className="transcript-row" onClick={() => seekTo(item.startTime)}>
-                        <div className="transcript-time">{formatTime(item.startTime)}</div>
-                        <div className="transcript-entry">
-                          <div className="transcript-meta">
-                            <Avatar icon={<UserOutlined />} className="transcript-avatar" />
-                            {isOwner ? (
-                              <Popover
-                                content={
-                                  <SpeakerEditor
-                                    meetingId={meeting.id}
-                                    speakerId={item.speakerId}
-                                    initialName={item.speakerName}
-                                    initialLabel={item.speakerLabel}
-                                    onSuccess={() => fetchData(meeting.id)}
-                                  />
-                                }
-                                title="编辑发言人"
-                                trigger="click"
-                              >
-                                <span className="transcript-speaker editable" onClick={(event) => event.stopPropagation()}>
-                                  {item.speakerName || item.speakerId || '发言人'} <EditOutlined style={{ fontSize: 12 }} />
-                                </span>
-                              </Popover>
-                            ) : (
-                              <span className="transcript-speaker">{item.speakerName || item.speakerId || '发言人'}</span>
-                            )}
-                            <Text type="secondary">{formatTime(item.startTime)}</Text>
-                            {item.speakerLabel && (
-                              <Tag color="blue">
-                                {speakerLabels.find((label) => label.itemValue === item.speakerLabel)?.itemLabel || item.speakerLabel}
-                              </Tag>
-                            )}
-                          </div>
-                          {editingTranscriptId === item.id ? (
-                            <div
-                              className="transcript-bubble transcript-bubble-editing"
-                              onClick={(event) => event.stopPropagation()}
-                            >
-                              <Input.TextArea
-                                autoFocus
-                                value={transcriptDraft}
-                                style={{ width: '100%' }}
-                                onChange={(event) => setTranscriptDraft(event.target.value)}
-                                onKeyDown={(event) => handleTranscriptDraftKeyDown(item, event as unknown as React.KeyboardEvent<HTMLDivElement>)}
-                                onBlur={(event) => {
-                                  event.stopPropagation();
-                                  void handleSaveTranscript(item, event.target.value);
-                                }}
-                                autoSize={{ minRows: 1, maxRows: 8 }}
-                                className="transcript-bubble-input"
-                                bordered={false}
-                              />
-                              {false && false && <div className="transcript-bubble-actions">
-                                <Text type="secondary" className="transcript-bubble-hint">
-                                  Ctrl+Enter 保存，Esc 取消
-                                </Text>
-                                <Button size="small" onClick={handleCancelEditTranscript}>
-                                  取消
-                                </Button>
-                                <Button
-                                  size="small"
-                                  type="primary"
-                                  loading={savingTranscriptId === item.id}
-                                  onClick={() => handleSaveTranscript(item)}
-                                >
-                                  保存
-                                </Button>
-                              </div>}
-                            </div>
-                          ) : (
-                            <div
-                              className={`transcript-bubble ${isOwner ? 'editable' : ''}`}
-                              onDoubleClick={isOwner ? (event) => handleStartEditTranscript(item, event) : undefined}
-                            >
-                              {item.content}
-                            </div>
-                          )}
-                        </div>
-                      </List.Item>
+                      <ActiveTranscriptRow
+                        item={item}
+                        meetingId={meeting.id}
+                        isOwner={isOwner}
+                        isEditing={editingTranscriptId === item.id}
+                        isSaving={savingTranscriptId === item.id}
+                        speakerLabelMap={speakerLabelMap}
+                        onSeek={seekTo}
+                        onStartEdit={handleStartEditTranscript}
+                        onDraftBlur={handleTranscriptDraftBlur}
+                        onDraftKeyDown={handleTranscriptDraftKeyDown}
+                        onSpeakerUpdated={handleTranscriptSpeakerUpdated}
+                      />
                     )}
                     locale={{ emptyText: meeting.status < 3 ? '识别任务进行中...' : '暂无数据' }}
                   />
@@ -2026,7 +1982,7 @@ const MeetingDetail: React.FC = () => {
               </Select>
             </Form.Item>
             <Divider />
-            <Text type="secondary">重新总结会基于当前语音转写全文重新生成纪要，原有总结内容将被覆盖。</Text>
+            <Text type="secondary">重新总结会基于当前语音转录全文重新生成纪要，原有总结内容将被覆盖。</Text>
           </Form>
         </Drawer>
       )}
@@ -2035,3 +1991,4 @@ const MeetingDetail: React.FC = () => {
 };
 
 export default MeetingDetail;
+