diff --git a/source/app/app_config.h b/source/app/app_config.h
index c4d1c04..55b855c 100644
--- a/source/app/app_config.h
+++ b/source/app/app_config.h
@@ -28,7 +28,7 @@
 #define POWER_NORMAL 0
 #define POWER_LOW 1
 
-#define RFID_BUF_NUM 4
+#define RFID_BUF_NUM 4 
 
 typedef struct global_register
 {
diff --git a/source/app/task_rfid.c b/source/app/task_rfid.c
index 71a899e..bc2975c 100644
--- a/source/app/task_rfid.c
+++ b/source/app/task_rfid.c
@@ -18,6 +18,9 @@
 
 S_TASK_RFID _s_task_rfid;
 
+// U8 RFID_READ_MASK[] = {'Y','F','R','S', 0x00, 0xAA};
+U8 RFID_READ_MASK[] = {'Y','F','R','S', 0x00, 0xAA};	//59 46 52 53 00 AA
+
 //4通道，读取次数 3 3 3 3
 U8 rfidSetChannelCmd[] = {0xBB,0x00,0x1B,0x00,0x05,0x02,0x03,0x03,0x03,0x03,0x2E,0x7E};
 //设置功率 26dBm
@@ -81,6 +84,18 @@ void L3_task_rfid_handler(S_TASK_RFID *s)
 	TTSS_Task_end();
 }
 
+U8 verify_mask(U8 *rfid)
+{
+	int i;
+	for(i=0;i<6;i++)
+	{
+		if(rfid[i] != RFID_READ_MASK[i]){
+			return 0;
+		}
+	}
+	return 1;
+}
+
 //RFID协议：BB 02 22 00 11 D5 30 00 E2 00 10 71 00 00 52 9B 09 40 B4 02 EB 98 0C 7E  
 //帧头：BB
 //Type：00命令帧 /01响应帧 /02通知帧
@@ -104,6 +119,16 @@ void parse_rfid_pkg()
 			U8 rssi = p->buf[0];
 			U8 ant = p->buf[num-1];
 
+			//5.打印日志
+			print_rfid_pkg(p);
+
+			//校验RFID掩码
+			if(!verify_mask(&p->buf[num-11]))
+			{
+				L0_uart0_sendstr("RFID ERR...");
+				return;
+			}
+
 			//1.判定RFID卡号是否符合规则
 			//2.保存RFID卡号到寄存器
 			L3_new_rfid(rfidno, rssi, ant);
@@ -114,8 +139,6 @@ void parse_rfid_pkg()
 			if(index < LED_BTN_NUM){
 				R.led_status[index] = 1;
 			}
-			//5.打印日志
-			print_rfid_pkg(p);
 		}
 	}
 }