# Change Log
---

- [Optimize: remove discovery module useless code](https://github.com/Tencent/spring-cloud-tencent/pull/596)
- [Optimize: optimize configuration conditional & optimize config data tips"](https://github.com/Tencent/spring-cloud-tencent/pull/604)
- [Optimize: Maybe remove Chinese characters](https://github.com/Tencent/spring-cloud-tencent/pull/608)
- [Optimize: InstanceId of PolarisRegistration and PolarisServiceRegistry](https://github.com/Tencent/spring-cloud-tencent/pull/611)
- [Bugfix: fix feign report call result error when using feign direct call](https://github.com/Tencent/spring-cloud-tencent/pull/622)
- [remove useless code for router](https://github.com/Tencent/spring-cloud-tencent/pull/625)
- [Feature: support spring-retry router](https://github.com/Tencent/spring-cloud-tencent/pull/633)
- [Bugfix: fix throw npe when router context is null](https://github.com/Tencent/spring-cloud-tencent/pull/634)
- [feat:Transfer http headers specified by environment variables](https://github.com/Tencent/spring-cloud-tencent/pull/637)
- [feat:support new label expression](https://github.com/Tencent/spring-cloud-tencent/pull/641)
- [feat:support read config file from local file system.](https://github.com/Tencent/spring-cloud-tencent/pull/643)
- [feat:report the labels when using RestTemplate.](https://github.com/Tencent/spring-cloud-tencent/pull/644)
- [Optimize: optimize transfer metadata code](https://github.com/Tencent/spring-cloud-tencent/pull/650)
- [feat: publish spring event named ConfigChangeSpringEvent when the configuration is changed](https://github.com/Tencent/spring-cloud-tencent/pull/652)