diff --git a/sentinel/sentinel.go b/sentinel/sentinel.go
index bb78866..b650246 100644
--- a/sentinel/sentinel.go
+++ b/sentinel/sentinel.go
@@ -29,6 +29,15 @@ type Config struct {
 	IdleTimeout      *int   `toml:"idle_timeout"`      //空闲超时时间
 }
 
+func GetSecDsn(cfg Config) (dsn string) {
+	if cfg.Master != "" {
+		dsn += fmt.Sprintf("mode=redis address=%s", cfg.Master)
+	} else if cfg.MasterName != "" {
+		dsn += fmt.Sprintf("mode=sentinel address=%s mastername=%s", cfg.Sentinels, cfg.MasterName)
+	}
+	return dsn
+}
+
 type Sentinel struct {
 	// Addrs is a slice with known Sentinel addresses.
 	Addrs []string
@@ -134,13 +143,13 @@ func NewPool(cfg Config) *redis.Pool {
 		Dial: func() (redis.Conn, error) {
 			masterAddr, err := sntnl.MasterAddr()
 			if err != nil {
-                logErrLogger.Output(2, fmt.Sprintf("get master from sentinel error: %s", err))
+				logErrLogger.Output(2, fmt.Sprintf("get master from sentinel error: %s", err))
 				return nil, err
 			}
 
 			c, err := redis.Dial("tcp", masterAddr)
 			if err != nil {
-                logErrLogger.Output(2, fmt.Sprintf("connect [%s] error: %s", masterAddr, err))
+				logErrLogger.Output(2, fmt.Sprintf("connect [%s] error: %s", masterAddr, err))
 				return nil, err
 			}
 
@@ -152,10 +161,10 @@ func NewPool(cfg Config) *redis.Pool {
 			}
 
 			if err != nil {
-                logErrLogger.Output(2, fmt.Sprintf("auth [%s] error: %s", masterAddr, err))
+				logErrLogger.Output(2, fmt.Sprintf("auth [%s] error: %s", masterAddr, err))
 				return nil, fmt.Errorf("redis master AUTH failed: <%s>", err.Error())
 			} else if okstr != "OK" {
-                logErrLogger.Output(2, fmt.Sprintf("auth [%s] not return ok but '%s'", masterAddr, okstr))
+				logErrLogger.Output(2, fmt.Sprintf("auth [%s] not return ok but '%s'", masterAddr, okstr))
 				return nil, fmt.Errorf("redis master AUTH failed: <%s>", okstr)
 			}
 
@@ -164,7 +173,7 @@ func NewPool(cfg Config) *redis.Pool {
 				err = fmt.Errorf(
 					"master(%s) got by name '%s' is not redis master",
 					masterAddr, masterName)
-                logErrLogger.Output(2, err.Error())
+				logErrLogger.Output(2, err.Error())
 				return nil, err
 			}