diff --git a/notes/Kafka深入理解分区副本机制.md b/notes/Kafka深入理解分区副本机制.md
index 13314e0..b75798e 100644
--- a/notes/Kafka深入理解分区副本机制.md
+++ b/notes/Kafka深入理解分区副本机制.md
@@ -132,7 +132,8 @@ public long transferFrom(FileChannel fileChannel, long position, long count) thr
 基于以上原因，如果你在一个单节点上创建一个3副本的主题，通常会抛出下面的异常：
 
 ```properties
-Error while executing topic command : org.apache.kafka.common.errors.InvalidReplicationFactor         Exception: Replication factor: 3 larger than available brokers: 1.
+Error while executing topic command : org.apache.kafka.common.errors.InvalidReplicationFactor   
+Exception: Replication factor: 3 larger than available brokers: 1.
 ```
 
 ### 4.2 分区数据保留规则
@@ -158,4 +159,4 @@ Error while executing topic command : org.apache.kafka.common.errors.InvalidRepl
 
 1. Neha Narkhede, Gwen Shapira ,Todd Palino(著) , 薛命灯(译) . Kafka权威指南 . 人民邮电出版社 . 2017-12-26
 
-2. [Kafka高性能架构之道](http://www.jasongj.com/kafka/high_throughput/)
\ No newline at end of file
+2. [Kafka高性能架构之道](http://www.jasongj.com/kafka/high_throughput/)