[Checkstyle Check] reported by reviewdog 🐶 建议不要返回null! 1)编程规范-建议5.5: 集合请返回Collections.emptyXXX() 2)编程规范-建议8.6.2: 其他请使用JAVA 8 Optional特性代替 Raw Output: /home/runner/work/Sermant/Sermant/./sermant-plugins/sermant-tag-transmission/tag-transmission-feign11.x-plugin/src/main/java/io/sermant/tag/transmission/rpc/interceptors/FeignClientTagTransmissionInterceptor.java:62:0: error: 建议不要返回null! 1)编程规范-建议5.5: 集合请返回Collections.emptyXXX() 2)编程规范-建议8.6.2: 其他请使用JAVA 8 Optional特性代替 (com.puppycrawl.tools.checkstyle.checks.regexp.RegexpSinglelineCheck)

[Checkstyle Check] reported by reviewdog 🐶 'values' has incorrect indentation level 16, expected level should be 20. Raw Output: /home/runner/work/Sermant/Sermant/./sermant-plugins/sermant-tag-transmission/tag-transmission-feign11.x-plugin/src/main/java/io/sermant/tag/transmission/rpc/interceptors/FeignClientTagTransmissionInterceptor.java:92:17: error: 'values' has incorrect indentation level 16, expected level should be 20. (com.puppycrawl.tools.checkstyle.checks.indentation.IndentationCheck)