List<Pipeline> pipelines = pipelineService.listByChannelIds(channelDo.getId());
// 合并PipelineParameter和ChannelParameter
SystemParameter systemParameter = systemParameterService.find();
for (Pipeline pipeline : pipelines) {
PipelineParameter parameter = new PipelineParameter();
parameter.merge(systemParameter);
parameter.merge(channel.getParameters());
// 最后复制pipelineId参数
parameter.merge(pipeline.getParameters());
pipeline.setParameters(parameter);
// pipeline.getParameters().merge(channel.getParameters());