diff --git a/binding/golang/service/config.go b/binding/golang/service/config.go
index 9f26c2f..efdea4b 100644
--- a/binding/golang/service/config.go
+++ b/binding/golang/service/config.go
@@ -43,7 +43,7 @@ func NewV4Config(cachePolicy int, xdbPath string, searchers int) (*Config, error
 }
 
 func NewV6Config(cachePolicy int, xdbPath string, searchers int) (*Config, error) {
-	return newConfig(cachePolicy, xdb.IPv4, xdbPath, searchers)
+	return newConfig(cachePolicy, xdb.IPv6, xdbPath, searchers)
 }
 
 func newConfig(cachePolicy int, ipVersion *xdb.Version, xdbPath string, searchers int) (*Config, error) {
diff --git a/binding/golang/service/config_test.go b/binding/golang/service/config_test.go
index f3b8e9c..b90022e 100644
--- a/binding/golang/service/config_test.go
+++ b/binding/golang/service/config_test.go
@@ -4,8 +4,34 @@
 
 package service
 
-import "testing"
+import (
+	"fmt"
+	"testing"
+)
 
 func TestV4Config(t *testing.T) {
+	v4Config, err := NewV4Config(VIndexCache, "../../../data/ip2region_v4.xdb", 10)
+	if err != nil {
+		t.Errorf("failed to new v4 config: %s", err)
+		return
+	}
 
+	v4BufferConfig, err := NewV4Config(BufferCache, "../../../data/ip2region_v4.xdb", 10)
+	if err != nil {
+		t.Errorf("failed to new v4 config: %s", err)
+		return
+	}
+
+	fmt.Printf("v4Config: %s\n", v4Config)
+	fmt.Printf("v4BufferConfig: %s\n", v4BufferConfig)
+}
+
+func TestV6Config(t *testing.T) {
+	v6Config, err := NewV6Config(NoCache, "../../../data/ip2region_v6.xdb", 10)
+	if err != nil {
+		t.Errorf("failed to new v6 config: %s", err)
+		return
+	}
+
+	fmt.Printf("v6Config: %s\n", v6Config)
 }