diff --git a/CHANGELOG.md b/CHANGELOG.md
index 235bbe1..4bac045 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,17 @@
 # Changelog
 
+## v3.2 - TBD 比赛优化
+- **智能去重机制**：
+  - 相同时间、相同轮次的多个 TBD 比赛只保留一个代表
+  - 避免日历中出现大量重复的 TBD 条目
+- **TBD 比赛自动更新**：
+  - 当 TBD 比赛的队伍确定后，自动更新对应的日历事件
+  - 通过时间和锦标赛信息智能匹配 TBD 事件
+  - 新增 `update_event_with_teams` 方法专门处理队伍更新
+- **改进的事件匹配逻辑**：
+  - 三层匹配机制：ID 匹配 → 队伍+锦标赛匹配 → 时间+锦标赛匹配
+  - 确保 TBD 比赛更新后仍能正确跟踪
+
 ## v3.1 - 格式优化更新
 - **新的标题格式**: 
   - 之前: `Dota 2 - The International 2025: Team1 vs Team2`
@@ -28,12 +40,13 @@
 
 ## 功能对比
 
-| 版本 | 同步比赛 | 更新结果 | 时间变更 | 新格式 |
-|------|---------|---------|---------|--------|
-| v1.0 | ✓ | ✗ | ✗ | ✗ |
-| v2.0 | ✓ | ✓ | ✗ | ✗ |
-| v3.0 | ✓ | ✓ | ✓ | ✗ |
-| v3.1 | ✓ | ✓ | ✓ | ✓ |
+| 版本 | 同步比赛 | 更新结果 | 时间变更 | 新格式 | TBD优化 |
+|------|---------|---------|---------|--------|---------|
+| v1.0 | ✓ | ✗ | ✗ | ✗ | ✗ |
+| v2.0 | ✓ | ✓ | ✗ | ✗ | ✗ |
+| v3.0 | ✓ | ✓ | ✓ | ✗ | ✗ |
+| v3.1 | ✓ | ✓ | ✓ | ✓ | ✗ |
+| v3.2 | ✓ | ✓ | ✓ | ✓ | ✓ |
 
 ## 使用建议
 
diff --git a/README.md b/README.md
index bf133fa..819767c 100644
--- a/README.md
+++ b/README.md
@@ -80,6 +80,7 @@ python sync_dota2_matches.py --dry-run
    - 自动识别 Tier 1、Premier、Major 级别赛事
    - 支持 The International (TI) 赛事
    - 提取比赛格式（Bo1、Bo3、Bo5）
+   - **智能去重**：相同时间、相同轮次的 TBD 比赛只保留一个代表
 
 2. **日历事件管理**：
    - 自动设置比赛时长（根据 Bo 格式估算）
@@ -87,7 +88,8 @@ python sync_dota2_matches.py --dry-run
    - 使用蓝色标记 Dota 2 事件
    - 避免重复添加
    - **自动更新已完成比赛的结果**
-   - **在标题添加 [COMPLETED] 标记**
+   - **在标题添加完成标记（✓ + 比分）**
+   - **TBD 比赛队伍确定后自动更新**
 
 3. **错误处理**：
    - 网络请求超时处理
diff --git a/sync_dota2_matches.py b/sync_dota2_matches.py
index 68b9833..6edda69 100644
--- a/sync_dota2_matches.py
+++ b/sync_dota2_matches.py
@@ -398,6 +398,67 @@ class Dota2CalendarSync:
             print(f"Error updating event time: {e}")
             return False
     
+    def update_event_with_teams(self, event_id, match_data):
+        """Update a TBD event with actual team names"""
+        try:
+            # Get the existing event
+            event = self.service.events().get(
+                calendarId=self.calendar_id,
+                eventId=event_id
+            ).execute()
+            
+            team1 = match_data.get('team1', 'TBD')
+            team2 = match_data.get('team2', 'TBD')
+            tournament = match_data.get('tournament', '')
+            
+            # Update summary with actual team names
+            if tournament:
+                new_summary = f"{team1} vs {team2} [{tournament}]"
+            else:
+                new_summary = f"{team1} vs {team2}"
+            
+            # Update description
+            description = event.get('description', '')
+            # Update the Match line
+            description = re.sub(
+                r'Match: .*?\n',
+                f"Match: {team1} vs {team2}\n",
+                description
+            )
+            # Update the ID to the new one
+            if 'ID:' in description:
+                description = re.sub(
+                    r'ID: [a-f0-9]+',
+                    f"ID: {match_data.get('id', '')}",
+                    description
+                )
+            
+            # Add update timestamp
+            if 'Teams updated:' in description:
+                description = re.sub(
+                    r'Teams updated:.*',
+                    f"Teams updated: {datetime.now(pytz.UTC).strftime('%Y-%m-%d %H:%M UTC')}",
+                    description
+                )
+            else:
+                description = description.replace('\nSource:', f"\nTeams updated: {datetime.now(pytz.UTC).strftime('%Y-%m-%d %H:%M UTC')}\nSource:")
+            
+            event['summary'] = new_summary
+            event['description'] = description
+            
+            # Update the event
+            updated_event = self.service.events().update(
+                calendarId=self.calendar_id,
+                eventId=event_id,
+                body=event
+            ).execute()
+            
+            return True
+            
+        except Exception as e:
+            print(f"Error updating event with teams: {e}")
+            return False
+    
     def update_event_with_result(self, event_id, match_data):
         """Update an existing calendar event with match results"""
         try:
@@ -525,9 +586,40 @@ class Dota2CalendarSync:
                 if match_key in existing_events['_by_match']:
                     existing_event = existing_events['_by_match'][match_key]
             
+            # Special handling for TBD matches that might have been updated
+            # Look for TBD events at the same time and tournament
+            if not existing_event and '_by_match' in existing_events:
+                # Check if this match used to be TBD
+                for event_key, event in existing_events['_by_match'].items():
+                    if 'TBD_TBD' in event_key and tournament in event_key:
+                        # Check if time matches
+                        event_start = event['start'].get('dateTime', event['start'].get('date'))
+                        event_dt = datetime.fromisoformat(event_start.replace('Z', '+00:00'))
+                        if abs((event_dt - match_time).total_seconds()) < 300:  # Within 5 minutes
+                            existing_event = event
+                            print(f"  → Found TBD match to update: {team1} vs {team2}")
+                            break
+            
             if existing_event:
+                # Check if this is a TBD match that now has team names
+                summary = existing_event.get('summary', '')
+                is_tbd_update = 'TBD' in summary and (team1 != 'TBD' or team2 != 'TBD')
+                
+                if is_tbd_update:
+                    # Update TBD match with actual teams
+                    if dry_run:
+                        print(f"◯ Would update TBD match with teams: {team1} vs {team2}")
+                        updated_count += 1
+                    else:
+                        if self.update_event_with_teams(existing_event['id'], match):
+                            print(f"✓ Updated TBD match with teams: {team1} vs {team2}")
+                            updated_count += 1
+                            time.sleep(0.2)
+                        else:
+                            print(f"✗ Failed to update TBD match: {team1} vs {team2}")
+                            error_count += 1
                 # Check if time has changed
-                if update_times:
+                elif update_times:
                     event_start = existing_event['start'].get('dateTime', existing_event['start'].get('date'))
                     
                     if self.check_time_difference(event_start, match_time):