diff --git a/message_report/write_db.py b/message_report/write_db.py
index 4d77c21..8e2c923 100644
--- a/message_report/write_db.py
+++ b/message_report/write_db.py
@@ -69,7 +69,7 @@ def generate_and_send_ranking(groupId, allContacts: dict):
     # 格式化输出字符串
     ranking_str = yesterday + "发言数量前20的用户排名:\n"
     for rank, (username, speech_count) in enumerate(results, start=1):
-        ranking_str += f"{rank}. {allContacts[username]}: {speech_count} 次发言\n"
+        ranking_str += f"{rank}. {allContacts.get(username, username)}: {speech_count} 次发言\n"
     # 关闭数据库连接
     connection.close()
     print(ranking_str)