diff --git a/Canal-Kafka-RocketMQ-QuickStart.md b/Canal-Kafka-RocketMQ-QuickStart.md
index 12ce55e..6a7c251 100644
--- a/Canal-Kafka-RocketMQ-QuickStart.md
+++ b/Canal-Kafka-RocketMQ-QuickStart.md
@@ -76,8 +76,10 @@ canal.serverMode = kafka
 # kafka/rocketmq 集群配置: 192.168.1.117:9092,192.168.1.118:9092,192.168.1.119:9092 
 canal.mq.servers = 127.0.0.1:6667
 canal.mq.retries = 0
+# flagMessage模式下可以调大该值, 但不要超过MQ消息体大小上限
 canal.mq.batchSize = 16384
 canal.mq.maxRequestSize = 1048576
+# flatMessage模式下请将该值改大, 建议50-200
 canal.mq.lingerMs = 1
 canal.mq.bufferMemory = 33554432
 # Canal的batch size, 默认50K, 由于kafka最大消息体限制请勿超过1M(900K以下)