diff --git a/datalink814_ge/src/linklayer/linklayer814.c b/datalink814_ge/src/linklayer/linklayer814.c
index a7ba08a..03da818 100644
--- a/datalink814_ge/src/linklayer/linklayer814.c
+++ b/datalink814_ge/src/linklayer/linklayer814.c
@@ -251,6 +251,7 @@ inline L2_RTT_FSM* L2_GetRttFsm(L2_INST* instPtr){
 /**
  * @brief   Creat a new schedule envent, register event in schedule event pool.
  *
+ * @param   instPtr	a pointer to linklayer instance
  * @param   event	event type of the new schedule event.
  *
  * @return  NULL	error occurred
@@ -713,7 +714,6 @@ int32_t L2_SetupNextSlot(L2_INST* instPtr, L2_TOR_TYPE txrxMode, L2_FRAME_TYPE f
 	if(Status != SUCCESS){
 		DBG_ERROR("Physical set pull time failed, with error code: %d\n", Status);
 	}
-	instPtr->frame.next = frameType;
 
 	PHY_TOR_TYPE tor;
 	switch(txrxMode) {