diff --git a/app.py b/app.py
index d12ab182..186bdb6d 100644
--- a/app.py
+++ b/app.py
@@ -4663,7 +4663,7 @@ def get_clickhouse_client():
     return Cclient(
         host='222.128.1.157',
         port=18000,
-        user='default',a
+        user='default',
         password='Zzl33818!',
         database='stock'
     )