Merge pull request #234 from flycash/doc/contribution-link

Doc: change the link of contribution-info

README.md

@@ -73,7 +73,7 @@ go test ./... -coverprofile=coverage.txt -covermode=atomic
 
 ## Contributing
 
-If you are willing to do some code contributions and document contributions to [Apache/dubbo-go](https://github.com/apache/dubbo-go), please visit [contribution intro](https://github.com/apache/dubbo-go/blob/master/cg.md).
+If you are willing to do some code contributions and document contributions to [Apache/dubbo-go](https://github.com/apache/dubbo-go), please visit [contribution intro](https://github.com/apache/dubbo-go/blob/master/contributing.md).
 
 ## Benchmark
 

README_CN.md

@@ -73,7 +73,7 @@ go test ./... -coverprofile=coverage.txt -covermode=atomic
 
 ## 如何贡献
 
-如果您愿意给 [Apache/dubbo-go](https://github.com/apache/dubbo-go) 贡献代码或者文档，我们都热烈欢迎。具体请参考 [contribution intro](https://github.com/apache/dubbo-go/blob/master/cg.md)。
+如果您愿意给 [Apache/dubbo-go](https://github.com/apache/dubbo-go) 贡献代码或者文档，我们都热烈欢迎。具体请参考 [contribution intro](https://github.com/apache/dubbo-go/blob/master/contributing.md)。
 
 ## 性能测试 ##