update pkg
diff --git a/golang/go.mod b/golang/go.mod
index 1b3112b..3670c6f 100644
--- a/golang/go.mod
+++ b/golang/go.mod
@@ -1,7 +1,7 @@
 module github.com/apache/dubbo-samples/golang
 
 require (
-	github.com/apache/dubbo-go v1.4.0-rc1.0.20200820104301-6657d27e052d // indirect
+	github.com/apache/dubbo-go v1.5.1-0.20200820104301-6657d27e052d
 	github.com/apache/dubbo-go-hessian2 v1.6.2
 	github.com/codahale/hdrhistogram v0.0.0-20161010025455-3a0bb77429bd // indirect
 	github.com/emicklei/go-restful/v3 v3.0.0
diff --git a/golang/go.sum b/golang/go.sum
index e7b97aa..be18f83 100644
--- a/golang/go.sum
+++ b/golang/go.sum
@@ -55,10 +55,13 @@
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/aliyun/alibaba-cloud-sdk-go v1.61.18 h1:zOVTBdCKFd9JbCKz9/nt+FovbjPFmb7mUnp8nH9fQBA=
 github.com/aliyun/alibaba-cloud-sdk-go v1.61.18/go.mod h1:v8ESoHo4SyHmuB4b1tJqDHxfTGEciD+yhvOU/5s1Rfk=
+github.com/apache/dubbo-getty v1.3.10 h1:ys5mwjPdxG/KwkPjS6EI0RzQtU6p6FCPoKpaFEzpAL0=
 github.com/apache/dubbo-getty v1.3.10/go.mod h1:x6rraK01BL5C7jUM2fPl5KMkAxLVIx54ZB8/XEOik9Y=
 github.com/apache/dubbo-go v1.4.0-rc1.0.20200820104301-6657d27e052d/go.mod h1:lxwgtF+27mSFQsSrBLaVbdQpwCp+pBN/mHP4w4/N2Qc=
 github.com/apache/dubbo-go v1.5.1-0.20200816140509-5a135e6cbba1 h1:zz/Nk5VIfDlmrlCwypMtIDZ7X+tK5h5IgOs8oxeqbg4=
 github.com/apache/dubbo-go v1.5.1-0.20200816140509-5a135e6cbba1/go.mod h1:K0LN6ZwVCUSJjDgJPnDDaJYekEgR6L86AbaFoPot5G4=
+github.com/apache/dubbo-go v1.5.1-0.20200820104301-6657d27e052d h1:EsoOS+qRXISMh+cpYLa1X+aHDXUTMZclpeIE+0SmC0I=
+github.com/apache/dubbo-go v1.5.1-0.20200820104301-6657d27e052d/go.mod h1:lxwgtF+27mSFQsSrBLaVbdQpwCp+pBN/mHP4w4/N2Qc=
 github.com/apache/dubbo-go-hessian2 v1.6.2 h1:i7F5GjVaUatLQz1x9vUmmSIFj49L8J6rVICdF6xw4qw=
 github.com/apache/dubbo-go-hessian2 v1.6.2/go.mod h1:7rEw9guWABQa6Aqb8HeZcsYPHsOS7XT1qtJvkmI6c5w=
 github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e/go.mod h1:3U/XgcO3hCbHZ8TKRvWD2dDTCfh9M9ya+I9JpbB7O8o=