diff --git a/source/bsp/bsp_config.c b/source/bsp/bsp_config.c
index 69ec804..9578ec2 100644
--- a/source/bsp/bsp_config.c
+++ b/source/bsp/bsp_config.c
@@ -81,6 +81,9 @@ void L0_board_config(void)
 	D_HighI_P4(BITN7);
 	D_HighI_P1(BITN4);
 
+	//RFID-EN 强推挽
+	D_HighI_P0(BITN4);
+
 	//WDT
 	#if (TYPE_WDT_ENABLE == D_WDT_STATUS)
 	WDT_CONTR = 0x27;     //使能看门狗,22M时钟下溢出时间约为5s，请注意添加喂狗程序
diff --git a/source/msp/UART4.C b/source/msp/UART4.C
index 17bc793..62ffe6b 100644
--- a/source/msp/UART4.C
+++ b/source/msp/UART4.C
@@ -6,39 +6,37 @@
 //#define BAUD4 115200             //串口波特率
 void L0_uart4_init(void)//115200bps@11.0592MHz
 {
-	#if(MainFre_11M == D_sys_MainFre)
-#if 0
-    S4CON = 0x50;               //8位可变波特率
-    T4L = (65536 - (FOSC/4/BAUD4));   //设置波特率重装值
-    T4H = (65536 - (FOSC/4/BAUD4))>>8;
-    T4T3M |= 0x20;              //定时器4为1T模式
-    T4T3M |= 0x80;              //定时器4开始计时
-#else
-	S4CON = 0x10;		//8位数据,可变波特率
-	S4CON |= 0x40;		//串口4选择定时器4为波特率发生器
-	T4T3M |= 0x20;		//定时器4时钟为Fosc,即1T
-	T4L = 0xE8;		//设定定时初值
-	T4H = 0xFF;		//设定定时初值
-	T4T3M |= 0x80;		//启动定时器4
-#endif
-	
+#if(MainFre_11M == D_sys_MainFre)
+	#if 0
+		S4CON = 0x50;               //8位可变波特率
+		T4L = (65536 - (FOSC/4/BAUD4));   //设置波特率重装值
+		T4H = (65536 - (FOSC/4/BAUD4))>>8;
+		T4T3M |= 0x20;              //定时器4为1T模式
+		T4T3M |= 0x80;              //定时器4开始计时
+	#else
+		S4CON = 0x10;		//8位数据,可变波特率
+		S4CON |= 0x40;		//串口4选择定时器4为波特率发生器
+		T4T3M |= 0x20;		//定时器4时钟为Fosc,即1T
+		T4L = 0xE8;		//设定定时初值
+		T4H = 0xFF;		//设定定时初值
+		T4T3M |= 0x80;		//启动定时器4
+	#endif
 	
 #elif (MainFre_22M == D_sys_MainFre)	
 	#if (D_uart4_BRT == BRT_115200)
-	S4CON = 0x10;		//8位数据,可变波特率
-	S4CON |= 0x40;		//串口4选择定时器4为波特率发生器
-	T4T3M |= 0x20;		//定时器时钟1T模式
-	T4L = 0xD0;			//设置定时初始值
-	T4H = 0xFF;			//设置定时初始值
-	T4T3M |= 0x80;		//定时器4开始计时
-
+		S4CON = 0x10;		//8位数据,可变波特率
+		S4CON |= 0x40;		//串口4选择定时器4为波特率发生器
+		T4T3M |= 0x20;		//定时器时钟1T模式
+		T4L = 0xD0;			//设置定时初始值
+		T4H = 0xFF;			//设置定时初始值
+		T4T3M |= 0x80;		//定时器4开始计时
 	#elif (D_uart4_BRT == BRT_9600)	//9600bps@22.1184MHz
-	S4CON = 0x10;		//8位数据,可变波特率
-	S4CON |= 0x40;		//串口4选择定时器4为波特率发生器
-	T4T3M |= 0x20;		//定时器时钟1T模式
-	T4L = 0xC0;			//设置定时初始值
-	T4H = 0xFD;			//设置定时初始值
-	T4T3M |= 0x80;		//定时器4开始计时
+		S4CON = 0x10;		//8位数据,可变波特率
+		S4CON |= 0x40;		//串口4选择定时器4为波特率发生器
+		T4T3M |= 0x20;		//定时器时钟1T模式
+		T4L = 0xC0;			//设置定时初始值
+		T4H = 0xFD;			//设置定时初始值
+		T4T3M |= 0x80;		//定时器4开始计时
 	#endif
 #endif
 }