apollo-openapi/src/main/java/com/ctrip/framework/apollo/openapi/client/ApolloOpenApiClient.java/ApolloOpenApiClient/updateItem
class ApolloOpenApiClient:  public void updateItem(String appId, String env, String clusterName, String namespaceName, OpenItemDTO itemDTO) {
    itemService.updateItem(appId, env, clusterName, namespaceName, itemDTO);
  }