diff --git a/.DS_Store b/.DS_Store
index ec39ca3..0145aae 100644
Binary files a/.DS_Store and b/.DS_Store differ
diff --git a/app.zip b/app.zip
new file mode 100644
index 0000000..6af80b6
Binary files /dev/null and b/app.zip differ
diff --git a/app/core/config.py b/app/core/config.py
index 929d884..d8c4e3a 100644
--- a/app/core/config.py
+++ b/app/core/config.py
@@ -32,7 +32,7 @@ DATABASE_CONFIG = {
     'host': os.getenv('DB_HOST', '10.100.51.161'),
     'user': os.getenv('DB_USER', 'root'),
     'password': os.getenv('DB_PASSWORD', 'sagacity'),
-    'database': os.getenv('DB_NAME', 'imeeting_dev'),
+    'database': os.getenv('DB_NAME', 'imeeting'),
     'port': int(os.getenv('DB_PORT', '3306')),
     'charset': 'utf8mb4'
 }
diff --git a/app/services/async_transcription_service.py b/app/services/async_transcription_service.py
index cd4e50d..5c54da7 100644
--- a/app/services/async_transcription_service.py
+++ b/app/services/async_transcription_service.py
@@ -411,12 +411,12 @@ class AsyncTranscriptionService:
         try:
             with get_db_connection() as connection:
                 cursor = connection.cursor()
-                
-                # 清除该会议的现有转录分段
-                # delete_query = "DELETE FROM transcript_segments WHERE meeting_id = %s"
-                # cursor.execute(delete_query, (meeting_id,))
-                # print(f"Deleted existing segments for meeting_id: {meeting_id}")
-                
+
+                # 清除该会议的现有转录分段（防止重复插入）
+                delete_query = "DELETE FROM transcript_segments WHERE meeting_id = %s"
+                cursor.execute(delete_query, (meeting_id,))
+                print(f"Deleted existing segments for meeting_id: {meeting_id}")
+
                 # 插入新的转录分段
                 insert_query = '''
                     INSERT INTO transcript_segments (meeting_id, speaker_id, speaker_tag, start_time_ms, end_time_ms, text_content)