apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/service/CommitService.java/CommitService/findByKey
class CommitService:  public List<Commit> findByKey(String appId, String clusterName, String namespaceName, String key,Pageable page){
    String queryKey = "\"key\":\""+ key +"\"";
    return commitRepository.findByAppIdAndClusterNameAndNamespaceNameAndChangeSetsLikeOrderByIdDesc(appId, clusterName, namespaceName, "%"+ queryKey + "%", page);
  }