diff --git a/public/ecs_rfm_spu1/driver/src/jesd_timer.s.c b/public/ecs_rfm_spu1/driver/src/jesd_timer.s.c
index 8b93cb8..1978a9f 100644
--- a/public/ecs_rfm_spu1/driver/src/jesd_timer.s.c
+++ b/public/ecs_rfm_spu1/driver/src/jesd_timer.s.c
@@ -180,7 +180,7 @@ int32_t get_jesd_timer_point_para(int32_t nTmrId, int32_t tmrPoint, uint32_t* te
     EcsRfmDmLocalMgt_t* pEcsDmLocalMgt = get_ecs_rfm_dm_local_mgt();
 	stMtimerPara* pMtimerPara = pEcsDmLocalMgt->pMtimerPara[nTmrId];
 	
-	if (tmrPoint < 0)
+        while (tmrPoint < 0)
 	{
 		tmrPoint += pMtimerPara->tddPeriod; //SFN_PERIOD;
 	}