diff --git a/code/application/source/sf_app/code/source/app/sf_service.c b/code/application/source/sf_app/code/source/app/sf_service.c
index c001a092c..f97504c08 100755
--- a/code/application/source/sf_app/code/source/app/sf_service.c
+++ b/code/application/source/sf_app/code/source/app/sf_service.c
@@ -1294,7 +1294,10 @@ static SINT32 app_Register_Net_startup_mode(SF_FN_PARAM_S *pfnParam) {
     break;
 #endif
     s32ret = sf_get_utc();
-
+    if ((s32ret == SF_SIM_ERROR_UTC) && (SF_ON != pCustomerParam->GpsSwitch)) {
+      SF_PARA_TIME_S current_time = { 0, 0, 0, 0, 0, 0};
+      s32ret = sf_get_ntp(s32ret, &current_time);
+    }
     sf_4G_usb_net_apn_cfg(pfnParam);
     sf_USB_net_init();
     if ((SF_ON == pCustomerParam->GpsSwitch)) {
@@ -1421,6 +1424,10 @@ static SINT32 app_Register_Net_startup_mode(SF_FN_PARAM_S *pfnParam) {
     sf_USB_net_init();
 
     s32ret = sf_get_utc();
+    if ((s32ret == SF_SIM_ERROR_UTC) && (SF_ON != pCustomerParam->GpsSwitch)) {
+      SF_PARA_TIME_S current_time = { 0, 0, 0, 0, 0, 0};
+      s32ret = sf_get_ntp(s32ret, &current_time);
+    }
     if ((SF_ON == pCustomerParam->GpsSwitch)) {
         open_gps();
     }
@@ -1464,6 +1471,10 @@ static SINT32 app_Register_Net_startup_mode(SF_FN_PARAM_S *pfnParam) {
     sf_USB_net_init();
 
     s32ret = sf_get_utc();
+    if ((s32ret == SF_SIM_ERROR_UTC) && (SF_ON != pCustomerParam->GpsSwitch)) {
+      SF_PARA_TIME_S current_time = { 0, 0, 0, 0, 0, 0};
+      s32ret = sf_get_ntp(s32ret, &current_time);
+    }
     if ((SF_ON == pCustomerParam->GpsSwitch)) {
         open_gps();
     }