modify 2.6.5 release log (replace pr link with issue link) (#2716)

* release 2.6.5

*  edit release note for 2.6.5 (rewrite log)

CHANGES.md

@@ -2,31 +2,33 @@
 
 ## 2.6.5
 
-Enhancements / Features：   
+Enhancements / Features：    
 
-- @Service and @Reference Optimization [#2655](https://github.com/apache/incubator-dubbo/issues/2655) [#2657](https://github.com/apache/incubator-dubbo/issues/2657) 
+- Reactor the generation rule for @Service Bean name [#2235](https://github.com/apache/incubator-dubbo/issues/2235) 
+- Introduce a new Spring ApplicationEvent for ServiceBean exporting [#2251](https://github.com/apache/incubator-dubbo/issues/2251) 
 - [Enhancement] the algorithm of load issue on Windows good first issue help wanted. [#1641](https://github.com/apache/incubator-dubbo/issues/1641)
 - add javadoc to dubbo-all module good first issue help wanted. [#2600](https://github.com/apache/incubator-dubbo/issues/2600) 
 - [Enhancement] Reactor the generation rule for @Service Bean name type/enhancement [#2235](https://github.com/apache/incubator-dubbo/issues/2235) 
-- Optimize LeastActiveLoadBalance and add weight test case. [#2584](https://github.com/apache/incubator-dubbo/issues/2584) 
-- Smooth Round Robin selection. [#2647](https://github.com/apache/incubator-dubbo/pull/2647) 
-- [Enhancement] Resolve the placeholders for sub-properties. [#2297](https://github.com/apache/incubator-dubbo/pull/2297) 
+- Optimize LeastActiveLoadBalance and add weight test case. [#2540](https://github.com/apache/incubator-dubbo/issues/2540) 
+- Smooth Round Robin selection. [#2578](https://github.com/apache/incubator-dubbo/issues/2578) [#2647](https://github.com/apache/incubator-dubbo/pull/2647) 
+- [Enhancement] Resolve the placeholders for sub-properties. [#2297](https://github.com/apache/incubator-dubbo/issues/2297) 
+
 
 Bugfixes：    
 
 - @Service(register=false) is not work. [#2063](https://github.com/apache/incubator-dubbo/issues/2063) 
-- Our customized serialization id exceeds the maximum limit, now it cannot work on 2.6.2 anymore. [#1903](https://github.com/apache/incubator-dubbo/issues/1903) [#2668](https://github.com/apache/incubator-dubbo/pull/2668)   
+- Our customized serialization id exceeds the maximum limit, now it cannot work on 2.6.2 anymore. [#1903](https://github.com/apache/incubator-dubbo/issues/1903) 
+- Consumer throws RpcException after RegistryDirectory notify in high QPS. [#2016](https://github.com/apache/incubator-dubbo/issues/2016)   
 - Annotation @Reference can't support to export a service with a sync one and an async one . [#2194](https://github.com/apache/incubator-dubbo/issues/2194) 
 - `org.apache.dubbo.config.spring.beans.factory.annotation.ReferenceAnnotationBeanPostProcessor#generateReferenceBeanCacheKey` has a bug. [#2522](https://github.com/apache/incubator-dubbo/issues/2522) 
 - 2.6.x Spring Event & Bugfix. [#2256](https://github.com/apache/incubator-dubbo/issues/2256) 
-- fix #1641, support get system load on windows. [#2621](https://github.com/apache/incubator-dubbo/issues/2621) 
-- Fix incorrect descriptions for dubbo-serialization module. [pr#2624](https://github.com/apache/incubator-dubbo/pull/2624) 
-- A empty directory dubbo-config/dubbo-config-spring/src/test/resources/work after package source tgz. [#2560](https://github.com/apache/incubator-dubbo/issues/2560) 
-- Fixed 2.6.x branch a minor issue with doConnect not using getConnectTimeout() in NettyClient. [#2622](https://github.com/apache/incubator-dubbo/issues/2622) 
-- merge fix from 2.7.0 to 2.6.x (if invoker is destroyed due to address refresh from registry, let's allow the current invoke to proceed). [#2680](https://github.com/apache/incubator-dubbo/pull/2680) 
+- Fix incorrect descriptions for dubbo-serialization module. [#2665](https://github.com/apache/incubator-dubbo/issues/2665) 
+- A empty directory dubbo-config/dubbo-config-spring/src/test/resources/work after package source tgz. [#2560](https://github.com/apache/incubator-dubbo/issues/2560)
+- Fixed 2.6.x branch a minor issue with doConnect not using getConnectTimeout() in NettyClient.  (*No issue*). [#2622](https://github.com/apache/incubator-dubbo/pull/2622) 
 - Bean name of @service annotated class does not resolve placeholder. [#1755](https://github.com/apache/incubator-dubbo/issues/1755) 
 
 
+
 Issues and Pull Requests, check [milestone-2.6.5](https://github.com/apache/incubator-dubbo/milestone/21).
 
 ## 2.6.4