diff --git a/cache/redis.go b/cache/redis.go
index 3354ee0..2430f1b 100644
--- a/cache/redis.go
+++ b/cache/redis.go
@@ -22,6 +22,11 @@ func NewCoreRedis(serverName string, poolSize int) (*RedisClient, error) {
 	return newRedisClient("core.codis.pri.ibanyu.com:19000", serverName, poolSize)
 }
 
+// NewRedisByAddr ...
+func NewRedisByAddr(addr, serverName string, poolSize int) (*RedisClient, error) {
+	return newRedisClient(addr, serverName, poolSize)
+}
+
 func NewRedisByNamespace(ctx context.Context, namespace string) (*RedisClient, error) {
 	fun := "NewRedisByNamespace -->"
 	client, err := redis.DefaultInstanceManager.GetInstance(ctx, getInstanceConf(ctx, namespace))
diff --git a/cache/redis_test.go b/cache/redis_test.go
index 88759c7..acd641e 100644
--- a/cache/redis_test.go
+++ b/cache/redis_test.go
@@ -1,9 +1,10 @@
 package cache
 
 import (
-	"github.com/stretchr/testify/assert"
 	"testing"
 	"time"
+
+	"github.com/stretchr/testify/assert"
 )
 
 var client, _ = NewCommonRedis("test/test", 1024)