diff --git a/datalink814_ge/src/linklayer/net_scan.c b/datalink814_ge/src/linklayer/net_scan.c
index 5aef77b..b974e6c 100644
--- a/datalink814_ge/src/linklayer/net_scan.c
+++ b/datalink814_ge/src/linklayer/net_scan.c
@@ -584,11 +584,11 @@ int32_t ScanNet_PktHandler(L2_INST* instPtr) {
 	switch (L2_GetLastFrameType(instPtr)) {
 	case L2_INTER_SCAN_FRAME:
 	case L2_INTRA_SCAN_FRAME:
-		// refer to "linklayer814.c/L2_FrameStateUpdate"
-		// INTRA_BM_FRAME could be received if current frame type is INTRA_BM_FRAME
-		// in net setup stage(for member node).
+		// INTRA_BM_FRAME could be received if current frame type is L2_INTRA_SCAN_FRAME
+		// in net setup stage (for member node).
 		// When SCAN frame was considered as received, handle the frame as BM frame.
-		break;
+		LockStateUpdate(scanFsmPtr, true);
+		StageUpdate(scanFsmPtr, L2_SCAN_BMADVT_STAGE);
 	case L2_INTER_BM_FRAME:
 	case L2_INTRA_BM_FRAME: {
 		for (int i = 0; i < ARRAY_SIZE(intraBmFrameMsgs); i++) {