diff --git a/crawler/ssh/client/client.go b/crawler/ssh/client/client.go
index dee7790..6ffc3b5 100644
--- a/crawler/ssh/client/client.go
+++ b/crawler/ssh/client/client.go
@@ -88,28 +88,24 @@ func parsePrivateKey(keyPath, pw string) (ssh.Signer, error) {
 	return ssh.ParsePrivateKeyWithPassphrase(buff, []byte(pw))
 }
 
-func New(target *ocmsc.Target) (*SSHClient, error) {
-	connection := target.Connection
-	auth := target.Auth
+func New(connection *ocmsc.SensorConfigConnection) (*SSHClient, error) {
+	credentials := connection.Credentials
 
 	ip := connection.IP
 	port, _ := cuej.NumberToInt(connection.Port)
-	user := auth["id"].(string)
-	pw := auth["pw"].(string)
-	keyFilePathObj := auth["keyFilePath"]
-	keyFilePath := ""
+	user := credentials["id"]
+	pw := credentials["pw"]
+	keyFilePath, keyFilePathExist := credentials["keyFilePath"]
 
 	sshAuth := make([]ssh.AuthMethod, 0)
 
-	if keyFilePathObj != nil {
-		keyFilePath = keyFilePathObj.(string)
+	if keyFilePathExist {
 		if "" != keyFilePath {
 			key, err := parsePrivateKey(keyFilePath, pw)
 			if err != nil {
 				return nil, err
 			}
 			sshAuth = append(sshAuth, ssh.PublicKeys(key))
-
 		}
 	}
 	sshAuth = append(sshAuth, ssh.Password(pw))