Spring Cloud Netflix Library source does not match the bytecode for class HystrixTargeter

Describe the bug versioin:1.4.5 when i download the source file from maven,and idea show the error: and i click on the show diff: it seems that have different between source code and class file, how to fix it?

Sample

reproduce step: step 1: add dependency to pom.xml

<dependency>
      <groupId>org.springframework.cloud</groupId>
      <artifactId>spring-cloud-netflix-core</artifactId>
      <version>1.4.5.RELEASE</version>
</dependency>

step 2: download sources