code: private void removeCacheByGroup(String msId, String mapperNameSpace,boolean removePkCache) {
  		//删除cachegroup关联缓存
  		String entityName = mapperNameRalateEntityNames.get(mapperNameSpace);
  		getCacheProvider().clearGroup(entityName,removePkCache);
  		logger.debug("_autocache_ method[{}] remove cache Group:{}",msId,entityName);
  		//关联缓存
  		if(cacheEvictCascades.containsKey(msId)){
  			String cacheGroup;
  			for (String entity : cacheEvictCascades.get(msId)) {
  				cacheGroup = entity + GROUPKEY_SUFFIX;
  				getCacheProvider().clearExpiredGroupKeys(entity + GROUPKEY_SUFFIX);
  				logger.debug("_autocache_ method[{}] remove Cascade cache Group:[{}]",msId,cacheGroup);
  			}
  		}
  	}
docs: 删除缓存组
  @param mt
  @param mapperNameSpace
  @param removePkCache  是否同时删除按主键的缓存