diff --git a/bsp/lpc2478/startup.c b/bsp/lpc2478/startup.c
index 2ea112c8e0..6024805c55 100644
--- a/bsp/lpc2478/startup.c
+++ b/bsp/lpc2478/startup.c
@@ -10,15 +10,16 @@
  * Change Logs:
  * Date           Author       Notes
  * 2008-12-11     xuxinming    first version
+ * 2010-4-3       LiJin        add init soft timer thread 
  */
 
 #include <rthw.h>
-#include <rtthread.h>
+#include <rtthread.h>
 
-#ifdef RT_USING_FINSH
-#include <finsh.h>
+#ifdef RT_USING_FINSH
+#include <finsh.h>
 extern void finsh_system_init(void);
-#endif
+#endif
 
 #include <LPC24xx.h>
 #include <board.h>
@@ -29,15 +30,15 @@ extern void finsh_system_init(void);
 /*@{*/
 
 extern int  rt_application_init(void);
-#ifdef RT_USING_DEVICE
-extern rt_err_t rt_hw_serial_init(void);
+#ifdef RT_USING_DEVICE
+extern rt_err_t rt_hw_serial_init(void);
 #endif
 
 #ifdef __CC_ARM
-extern int Image$$RW_IRAM1$$ZI$$Limit;
-#else
-extern int __bss_end;
-#endif
+extern int Image$$RW_IRAM1$$ZI$$Limit;
+#else
+extern int __bss_end;
+#endif
 
 /**
  * This function will startup RT-Thread RTOS.
@@ -66,20 +67,20 @@ void rtthread_startup(void)
 #ifdef __CC_ARM
 	rt_system_heap_init((void*)&Image$$RW_IRAM1$$ZI$$Limit, (void*)0x40010000);
 #else
-	rt_system_heap_init((void*)&__bss_end, (void*)0x40010000);
+	rt_system_heap_init((void*)&__bss_end, (void*)0x40010000);
 #endif
 #endif
 
 	/* init scheduler system */
 	rt_system_scheduler_init();
 	
-#ifdef RT_USING_DEVICE
-	/* init hardware serial device */
-	rt_hw_serial_init();
-
-	/*init all registed devices*/
-	rt_device_init_all();
-#endif
+#ifdef RT_USING_DEVICE
+	/* init hardware serial device */
+	rt_hw_serial_init();
+
+	/*init all registed devices*/
+	rt_device_init_all();
+#endif
 	/* init application */
 	rt_application_init();
 	
@@ -89,6 +90,9 @@ void rtthread_startup(void)
 	finsh_set_device("uart1");
 #endif
 	
+	/* init soft timer thread */
+	rt_system_timer_thread_init();
+
 	/* init idle thread */
 	rt_thread_idle_init();
 
@@ -97,16 +101,16 @@ void rtthread_startup(void)
 	
 	/* never reach here */
 	return ;
-}
-
+}
+
 #ifdef __CC_ARM
-int main(void)
-{
-	/* invoke rtthread_startup */
-	rtthread_startup();
-	
-	return 0;
-}
-#endif
+int main(void)
+{
+	/* invoke rtthread_startup */
+	rtthread_startup();
+	
+	return 0;
+}
+#endif
 
 /*@}*/