diff --git a/pkg/install/init.go b/pkg/install/init.go
index 35edfa27b0c..a98c9fd7d93 100644
--- a/pkg/install/init.go
+++ b/pkg/install/init.go
@@ -138,6 +138,7 @@ func (s *SealosInstaller) appendAPIServer() error {
 	etcHostMap := fmt.Sprintf("%s %s", utils.IPFormat(s.Masters[0]), v1.APIServer)
 	file, err := os.OpenFile(etcHostPath, os.O_RDWR|os.O_APPEND, 0666)
 	if err != nil {
+		logger.Error("open %s file error %s", etcHostPath, err)
 		os.Exit(1)
 	}
 	defer file.Close()