style:优化 SQL 更新语句的格式

- 在 SET 子句中使用逗号和空格分隔列
- 在 WHERE子句前添加逗号和空格
- 使 SQL 语句的格式更加规范和易读

alibabacloud_sample/dataservice.py

@@ -128,9 +128,9 @@ class DataService:
         conn = DBService().get_conn()
         cursor = conn.cursor()
         cursor.execute(
-            "UPDATE invoice SET verify_time = ?,"
+            "UPDATE invoice SET verify_time = ?, "
-            "verify_status = ?"
+            "verify_status = ?, "
-            "inspectionAmount = ?"
+            "inspectionAmount = ? "
             "WHERE id = ?",
             (datetime.now().strftime("%Y-%m-%d %H:%M:%S"), verify_status,inspectionAmount, invoice_id))
         conn.commit()