diff --git a/src/os/src/detail/osSysinfo.c b/src/os/src/detail/osSysinfo.c
index 2ba0dd6917a1b4dcdf44f983f2a49c0940f1d46d..360e99bb8f8caa3911e846bb4013839266a5802f 100644
--- a/src/os/src/detail/osSysinfo.c
+++ b/src/os/src/detail/osSysinfo.c
@@ -248,7 +248,7 @@ static void taosGetSystemLocale() {  // get and set default locale
   if (cfg_locale && cfg_locale->cfgStatus < TAOS_CFG_CSTATUS_DEFAULT) {
     locale = setlocale(LC_CTYPE, "");
     if (locale == NULL) {
-      uError("can't get locale from system, set it to en_US.UTF-8");
+      uError("can't get locale from system, set it to en_US.UTF-8 since error:%d:%s", errno, strerror(errno));
       strcpy(tsLocale, "en_US.UTF-8");
     } else {
       tstrncpy(tsLocale, locale, TSDB_LOCALE_LEN);