diff --git a/pkg/hash-ring/hashRing_test.go b/pkg/hash-ring/hashRing_test.go
new file mode 100644
index 0000000..7bd9b8a
--- /dev/null
+++ b/pkg/hash-ring/hashRing_test.go
@@ -0,0 +1,12 @@
+package hashring
+
+import (
+	"fmt"
+	"testing"
+)
+
+func TestTarget_GetAddrString(t *testing.T) {
+	var addrss = []string{"195","444"}
+	target := addAddrString(addrss)
+	fmt.Println(target)
+}