diff --git a/project/example/ble/ble_peripheral/app/src/Rf433.c b/project/example/ble/ble_peripheral/app/src/Rf433.c
index 41d735e..219bad4 100644
--- a/project/example/ble/ble_peripheral/app/src/Rf433.c
+++ b/project/example/ble/ble_peripheral/app/src/Rf433.c
@@ -112,17 +112,24 @@ static uint8_t Pairing_Address_IsEmpty(uint8_t high, uint8_t low)
             (high == 0xffU && low == 0xffU));
 }
 
-static void Pairing_Address_Touch(uint8_t high, uint8_t low)
+static uint8_t Pairing_Address_AddNew(uint8_t high, uint8_t low)
 {
     uint8_t next_h[5];
     uint8_t next_l[5];
     uint8_t count = 0U;
     uint8_t i;
 
+    for(i = 0U; i < 5U; i++)
+    {
+        if(adress_H_array[i] == high && adress_L_array[i] == low)
+        {
+            return 0U;
+        }
+    }
+
     for(i = 0U; i < 5U; i++)
     {
         if(Pairing_Address_IsEmpty(adress_H_array[i], adress_L_array[i])) continue;
-        if(adress_H_array[i] == high && adress_L_array[i] == low) continue;
 
         next_h[count] = adress_H_array[i];
         next_l[count] = adress_L_array[i];
@@ -156,6 +163,8 @@ static void Pairing_Address_Touch(uint8_t high, uint8_t low)
             adress_L_array[i] = 0xffU;
         }
     }
+
+    return 1U;
 }
 static void Pairing_Feedback_Apply(uint8_t on)
 {
@@ -247,6 +256,7 @@ static void Pairing_Candidate_Reset(void)
 
 static void Encoder_key_NoCode(){
 	 uint16_t times_s=0; 
+	 uint8_t pairing_data_changed=0U;
 	
 		if(pair_frame_silence_ticks < 0xffU) pair_frame_silence_ticks++;
 		if(pair_frame_silence_ticks > PAIR_FRAME_SILENCE_TICKS)
@@ -313,12 +323,20 @@ static void Encoder_key_NoCode(){
 					adress=receive_data >>8;
 					adress_H = (receive_data >> 16) & 0xff;
 					adress_L = (receive_data >> 8) & 0xff;
-					Pairing_Address_Touch(adress_H, adress_L);
+					if(Pairing_Address_AddNew(adress_H, adress_L))
+					{
+						pairing_data_changed=1U;
+					}
+					else if(match_success==0U)
+					{
+						pairing_data_changed=1U;
+					}
 					times_s=300;
 					match_success=1;
 					Pairing_Feedback_Start(times_s);
 				}
 				   else if(res_data==Brightness_L||res_data==B_Brightness_L||res_data==F_Brightness_100){
+					  pairing_data_changed=1U;
                 	  adress_H_array[0] = 0xff;
 										adress_L_array[0] = 0xff;
 										adress_H_array[1] = 0xff;
@@ -337,7 +355,7 @@ static void Encoder_key_NoCode(){
 				}
 			
 									 ssse=1;
-        set_TaskComps_timer(2,2000);
+        if(pairing_data_changed) set_TaskComps_timer(2,2000);
 		}
 }