update
diff --git a/helloworld/README.md b/helloworld/README.md
index bfb2d3b..a5690a1 100644
--- a/helloworld/README.md
+++ b/helloworld/README.md
@@ -1,6 +1,6 @@
# Helloworld for dubbo-go
-This example demonstrates the basic usage of dubbo-go as an RPC framework. Check [Quick Start][https://dubbo.apache.org/zh-cn/overview/mannual/golang-sdk/quickstart/] on our official website for detailed explanation.
+This example demonstrates the basic usage of dubbo-go as an RPC framework. Check [Quick Start](https://dubbo.apache.org/zh-cn/overview/mannual/golang-sdk/quickstart/) on our official website for detailed explanation.
## Contents
