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 a1f8a7692..c001a092c 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
@@ -1785,7 +1785,7 @@ int get_gps_location(void)
 void keep_get_gps_location(const SF_GPS_PARAM param)
 {
     int seraching = 0;
-    while(seraching < param.timeout_ms)
+    while(seraching < param.timeout_ms && sf_app_while_flag())
     {
         // const int SERACHING_ONCE_MS = 200;
         if (GPS_GET_SUCCEED == get_gps_location())