if log_format not in hierichical_clusters[frequent_token]["cluster"]: 如果特殊格式不在hierichical_clusters[frequent_token]["cluster"]里面
hierichical_clusters[frequent_token]["cluster"][log_format]
log_format = v[1]
----------------kv------------------------------------------
8 ("config.update Can't create channel.jni jni", "'().:")
----------------kv------------------------------------------
--------------------frequent_token------------------------
('Built', 'LDAP', 'with')
--------------------frequent_token------------------------
hierichical_clusters：
{(&#
