fix wrong GOOS in helloworld go-client dev build
diff --git a/golang/helloworld/dubbo/go-client/assembly/windows/dev.sh b/golang/helloworld/dubbo/go-client/assembly/windows/dev.sh
index 10a3866..6487b30 100755
--- a/golang/helloworld/dubbo/go-client/assembly/windows/dev.sh
+++ b/golang/helloworld/dubbo/go-client/assembly/windows/dev.sh
@@ -19,7 +19,7 @@
 
 set -e
 
-export GOOS=linux
+export GOOS=windows
 export GOARCH=amd64
 
 export PROFILE="dev"