修改模版内容

modules/cassandra_client.py

@@ -83,16 +83,16 @@ def create_connection(config):
 
     使用示例：
         config = {
-            'hosts': ['192.168.1.100', '192.168.1.101'],
+            'hosts': ['127.0.0.1'],
             'port': 9042,
             'username': 'cassandra',
             'password': 'password',
-            'keyspace': 'my_keyspace',
+            'keyspace': 'example_keyspace',
             'datacenter': 'dc1'
         }
         cluster, session = create_connection(config)
         if session:
-            result = session.execute("SELECT * FROM my_table LIMIT 10")
+            result = session.execute("SELECT * FROM example_table LIMIT 10")
             cluster.shutdown()
     """
     start_time = time.time()