diff --git a/rtos/code/driver/na51089/source/mcu/sf_mcu.c b/rtos/code/driver/na51089/source/mcu/sf_mcu.c
index 056cd7846..258aa0731 100755
--- a/rtos/code/driver/na51089/source/mcu/sf_mcu.c
+++ b/rtos/code/driver/na51089/source/mcu/sf_mcu.c
@@ -2374,7 +2374,7 @@ void sf_para_print(void)
     PowerOnMode = sf_get_power_on_mode();
     ctv = hwclock_get_time(TIME_ID_CURRENT);
 	printf("Firmware compile time:%s %s  VER:%s\n", __DATE__, __TIME__,SF_BASE_VERSION);
-    printf("%s:%d tm: %d : %d : %d : %d : %d : %d\n", __FUNCTION__, __LINE__,ctv.tm_year, ctv.tm_mon,ctv.tm_mday,ctv.tm_hour,ctv.tm_min,ctv.tm_sec);
+    printf("%s:%d sys time: %d : %d : %d : %d : %d : %d\n", __FUNCTION__, __LINE__,ctv.tm_year, ctv.tm_mon,ctv.tm_mday,ctv.tm_hour,ctv.tm_min,ctv.tm_sec);
     printf("%s:%d isUsb = %d isCard = %d isCardFull = %d simCardInsert = %ld start mode = %d IRSHTTER = %d\n",__FUNCTION__,__LINE__, isUsb, isCard, isCardFull, simCardInsert, PowerOnMode, IRSHTTER);
     sf_battery_print();
 }