diff --git a/clear_up.py b/clear_up.py
new file mode 100644
index 0000000..1cd5cd5
--- /dev/null
+++ b/clear_up.py
@@ -0,0 +1,40 @@
+import json
+
+from settings import settings
+
+game = 'zhengba'
+server_list_url = f'http://gametools.legu.cc/?app=api&act=getServerList&game={game}'
+
+import pandas as pd
+from clickhouse_driver import Client
+
+client = Client(**settings.CK_CONFIG)
+
+df = pd.read_json(server_list_url)
+df = df[~df['hostname'].isin(['119.3.89.14', '119.3.105.109'])]
+serverid = tuple((str(i) for i in df['serverid'].to_list()))
+
+sql = f"""select `#account_id`, `#event_time`, `#event_name`,`#os`,`svrindex`, count() as n
+from {game}.event
+where
+    lower(`#os`) = 'windows'
+   or svrindex not in {serverid}
+group by `#account_id`, `#event_time`, `#event_name`,`#os`,`svrindex`
+having n = 1 limit 2000"""
+
+data, columns = client.execute(
+    sql, columnar=True, with_column_types=True
+)
+if not data:
+    exit(0)
+data_df = pd.DataFrame(
+    {col[0]: d for d, col in zip(data, columns)}
+)
+
+data_df.drop('n', axis=1, inplace=True)
+data_df['sign'] = -1
+data_df['#event_time'] = data_df['#event_time'].apply(lambda x: x.strftime('%Y-%m-%d %H:%M:%S'))
+insert_sql = f'INSERT INTO {game}.event FORMAT JSONEachRow '
+insert_sql = insert_sql + '\n'.join([json.dumps(item) for item in data_df.T.to_dict().values()])
+
+client.execute(insert_sql)