diff --git a/code/application/source/sf_app/code/source/app/sf_common.c b/code/application/source/sf_app/code/source/app/sf_common.c
index 3ab5bbd5c..5ac84f093 100755
--- a/code/application/source/sf_app/code/source/app/sf_common.c
+++ b/code/application/source/sf_app/code/source/app/sf_common.c
@@ -984,6 +984,7 @@ void* app_message_recv_thread(void *arg)
 		ret = sf_com_message_recv_from_app(&stMessagebuf);
 		if(ret != SF_SUCCESS)
 		{
+            usleep(5*1000);
 			continue;
 		}
         if(CMD_LED != stMessagebuf.cmdId)
diff --git a/code/lib/source/sifar/code/source/common/sf_common.c b/code/lib/source/sifar/code/source/common/sf_common.c
index 6b5ea124b..0334cd0ee 100755
--- a/code/lib/source/sifar/code/source/common/sf_common.c
+++ b/code/lib/source/sifar/code/source/common/sf_common.c
@@ -1921,6 +1921,7 @@ void* sf_cardv_message_thread(void *argv)
 		ret = sf_com_message_recv_from_cardv(&stMessagebuf);
 		if(ret !=SF_SUCCESS)
 		{
+            usleep(5*1000);
 			continue;
 		}
         if((CMD_DEV != stMessagebuf.cmdId) && (CMD_MCU != stMessagebuf.cmdId))