diff --git a/alibabacloud_sample/dataservice.py b/alibabacloud_sample/dataservice.py
index 275a460..54911d8 100644
--- a/alibabacloud_sample/dataservice.py
+++ b/alibabacloud_sample/dataservice.py
@@ -128,9 +128,9 @@ class DataService:
         conn = DBService().get_conn()
         cursor = conn.cursor()
         cursor.execute(
-            "UPDATE invoice SET verify_time = ?,"
-            "verify_status = ?"
-            "inspectionAmount = ?"
+            "UPDATE invoice SET verify_time = ?, "
+            "verify_status = ?, "
+            "inspectionAmount = ? "
             "WHERE id = ?",
             (datetime.now().strftime("%Y-%m-%d %H:%M:%S"), verify_status,inspectionAmount, invoice_id))
         conn.commit()