diff --git a/source/app/task_btn.c b/source/app/task_btn.c
index 54644c9..dccc63b 100644
--- a/source/app/task_btn.c
+++ b/source/app/task_btn.c
@@ -31,7 +31,7 @@ void L3_task_btn_handler(void)
             }                                     
         break;
         case KEY_DOWN:
-             RED_LED = ~RED_LED;
+             BULE_LED = ~BULE_LED;
              L0_uart0_uchex(g_Key);
              L0_uart0_0d0a();
              g_Key = KEY_NULL;
diff --git a/source/bsp/bsp_led.c b/source/bsp/bsp_led.c
index 99b11de..d4427f4 100644
--- a/source/bsp/bsp_led.c
+++ b/source/bsp/bsp_led.c
@@ -2,28 +2,28 @@
 
 void L2_led_init()
 {
-   D_HighI_P1(BITN2);
+   D_HighI_P1(BITN4);
    D_HighI_P4(BITN7);
 
    GREEN_LED = LED_OFF;
-   RED_LED   = LED_OFF;
+   BULE_LED  = LED_OFF;
    
 }
 
 void L2_GREEN_LED_ON(void)
 {
    GREEN_LED = LED_ON;
-   RED_LED   = LED_OFF;
+   BULE_LED   = LED_OFF;
 }
 
 void L2_RED_LED_ON(void)
 {
    GREEN_LED = LED_OFF;
-   RED_LED   = LED_ON;
+   BULE_LED   = LED_ON;
 }
 
 void L2_LED_OFF(void)
 {
    GREEN_LED = LED_OFF;
-   RED_LED   = LED_OFF; 
+   BULE_LED   = LED_OFF; 
 }
diff --git a/source/bsp/bsp_led.h b/source/bsp/bsp_led.h
index 71705e6..acbf26c 100644
--- a/source/bsp/bsp_led.h
+++ b/source/bsp/bsp_led.h
@@ -4,8 +4,8 @@
 #include "bsp_config.h"
 
 
-#define GREEN_LED  P12		//双色红灯
-#define RED_LED    P47		//双色绿灯
+#define GREEN_LED   P14		//绿灯
+#define BULE_LED    P47		//蓝灯
 
 #define LED_ON	    0		
 #define LED_OFF	    1