diff --git a/tsg_olap/upgrade/TSG-24.02.1/groot_stream/README.md b/tsg_olap/upgrade/TSG-24.02.1/groot_stream/README.md
index c94fe01..f77d113 100644
--- a/tsg_olap/upgrade/TSG-24.02.1/groot_stream/README.md
+++ b/tsg_olap/upgrade/TSG-24.02.1/groot_stream/README.md
@@ -1,15 +1,16 @@
 ## session_record.yaml.template
-- etl_session_record_kafka_to_ndc_kafka (A-DT) 
+- etl_session_record_kafka_to_ndc_kafka (A-DT) // 多数中心部署：分中心Data Transporter侧经过预处理后，集中汇聚至国家中心（NDC）
     - Topology: kafka_source -> etl_processor -> kafka_sink
     - Data Flow: SESSION-RECORD -> SESSION-RECORD-PROCESSED   
-- session_record_processed_kafka_to_clickhouse(A-NDC)
+- session_record_processed_kafka_to_clickhouse(A-NDC) // 多数中心部署：国家中心侧加载会话日志写入ClickHouse
     - Topology: kafka_source -> clickhouse_sink
     - Data Flow: SESSION-RECORD-PROCESSED -> session_record_local
-- etl_session_record_kafka_to_clickhouse (B)
+- etl_session_record_kafka_to_clickhouse (B)  // 集中部署： 摄入会话日志，预处理后直接携入ClickHouse
     - Topology: kafka_source -> etl_processor -> clickhouse_sink
     - Data Flow: SESSION-RECORD -> session_record_local
 
 ## realtime_log_streaming_cn_session_record.yaml.template
+// 1. 需安装CN UDFs 2. 安装Groot Stream在配置文件grootstream.yaml定义CN知识库
 
 - etl_session_record_kafka_to_cn_kafka
     - Topology: kafka_source -> etl_processor -> post_output_field_processor -> kafka_sink