diff --git a/Core/Src/sts_lamp_bar.c b/Core/Src/sts_lamp_bar.c
index 289c521..af42d28 100644
--- a/Core/Src/sts_lamp_bar.c
+++ b/Core/Src/sts_lamp_bar.c
@@ -252,7 +252,7 @@ void STS_Combined_Status_Processing(void)
 
 			event_start_time = 0;
 
-			APP_LOG(TS_OFF, VLEVEL_H, "\r\n Event Stop at %6u Seconds \r\n", event_stop_time);
+			APP_LOG(TS_OFF, VLEVEL_H, "\r\n Event Stop at %6u Seconds, Duration = %6u Seconds\r\n", event_stop_time, (event_stop_time-event_start_time));
 		}
 	}
 
@@ -282,6 +282,12 @@ void STS_Combined_Status_Processing(void)
 			}
 			break;
 		case STS_DUAL_MODE:
+			uint8_t flapping_flag=0;
+			if ((event_stop_time - event_start_time)<=4) {
+				flapping_flag=1;
+			}
+			if (!flapping_flag) {
+
 			if ((sts_rss_result == STS_RESULT_NO_MOTION) && (sts_reed_hall_1_result == STS_Status_Door_Open )&& (sts_reed_hall_2_result == STS_Status_SOS_Release ))
 			{
 				sts_status_color = STS_GREEN;
@@ -304,6 +310,8 @@ void STS_Combined_Status_Processing(void)
 					sts_status_color = STS_RED_BLUE;
 				}
 			}
+			}
+
 			break;
 		case STS_REMOTE_REED_RSS_MODE:
 			if ((sts_rss_result == STS_RESULT_NO_MOTION) && (sts_reed_hall_result == STS_Status_Door_Open ))
diff --git a/Core/Src/yunhorn_sts_presence_rss.c b/Core/Src/yunhorn_sts_presence_rss.c
index 73f432f..57a09b9 100644
--- a/Core/Src/yunhorn_sts_presence_rss.c
+++ b/Core/Src/yunhorn_sts_presence_rss.c
@@ -474,6 +474,7 @@ int sts_presence_rss_fall_rise_detection(void)
 	APP_LOG(TS_OFF, VLEVEL_H,"Fall Rise Detection, Motion Count  = %u \r\n", (int)motion_count);
 
 	sts_rss_result = (average_result > 3)? 1: 0;
+
 	APP_LOG(TS_OFF, VLEVEL_H,"Average Motion Result = %u  OUTPUT RSS RESULT=%u \r\n", (int)average_result, sts_rss_result);
 	for (k=0; k<10; k++) {
 		if (motion_in_zone[k]>0)