diff --git a/df_datalink_sp/src/networking/link_layer/link_layer.c b/df_datalink_sp/src/networking/link_layer/link_layer.c
index a8406a1..4b975c8 100644
--- a/df_datalink_sp/src/networking/link_layer/link_layer.c
+++ b/df_datalink_sp/src/networking/link_layer/link_layer.c
@@ -1174,7 +1174,7 @@ static int32_t Linklayer_Routine(L2_INST *instPtr)
 
 #ifdef DATALINK_ENABLE_AUTORECONNECT
 	L2_IterDeleteNode(instPtr->nodeList, IsNodeConnected);
-	if (GetNodeNum(instPtr->nodeList) < instPtr->config.netScale - 1)
+	if (L2_GetNodeListLen(instPtr->nodeList) < instPtr->config.netScale - 1)
 	{
 		// reset scan process
 		L2_EVENT l2Event;