diff --git a/bsp/beaglebone/applications/startup.c b/bsp/beaglebone/applications/startup.c
index 33539aece1..a34e406a0a 100644
--- a/bsp/beaglebone/applications/startup.c
+++ b/bsp/beaglebone/applications/startup.c
@@ -40,6 +40,9 @@ void rtthread_startup(void)
 	/* initialize scheduler system */
 	rt_system_scheduler_init();
 
+    /* initialize timer */
+    rt_system_timer_init();
+
 	/* initialize soft timer thread */
 	rt_system_timer_thread_init();
 
diff --git a/bsp/lpc176x/applications/startup.c b/bsp/lpc176x/applications/startup.c
index 2c8b7024c4..f332155b17 100644
--- a/bsp/lpc176x/applications/startup.c
+++ b/bsp/lpc176x/applications/startup.c
@@ -95,6 +95,9 @@ void rtthread_startup(void)
 	/* initialize application */
 	rt_application_init();
 
+    /* initialize timer */
+    rt_system_timer_init();
+
     /* initialize timer thread */
     rt_system_timer_thread_init();
 
diff --git a/bsp/lpc178x/applications/startup.c b/bsp/lpc178x/applications/startup.c
index b933618a23..2aebdb5f0d 100644
--- a/bsp/lpc178x/applications/startup.c
+++ b/bsp/lpc178x/applications/startup.c
@@ -87,6 +87,9 @@ void rtthread_startup(void)
 	finsh_set_device( FINSH_DEVICE_NAME );
 #endif
 
+    /* initialize timer */
+    rt_system_timer_init();
+
     /* initialize timer thread */
     rt_system_timer_thread_init();
 
diff --git a/bsp/ls1bdev/applications/startup.c b/bsp/ls1bdev/applications/startup.c
index 2fdfa700ba..e73900485d 100644
--- a/bsp/ls1bdev/applications/startup.c
+++ b/bsp/ls1bdev/applications/startup.c
@@ -72,6 +72,9 @@ void rtthread_startup(void)
 	/* init application */
 	rt_application_init();
 
+    /* initialize timer */
+    rt_system_timer_init();
+
 	/* initialize timer thread */
 	rt_system_timer_thread_init();
 
diff --git a/bsp/mb9bf506r/applications/startup.c b/bsp/mb9bf506r/applications/startup.c
index df9a93afb2..ab838c4fe3 100644
--- a/bsp/mb9bf506r/applications/startup.c
+++ b/bsp/mb9bf506r/applications/startup.c
@@ -71,6 +71,9 @@ void rtthread_startup(void)
 	/* initialize application */
 	rt_application_init();
 
+    /* initialize timer */
+    rt_system_timer_init();
+
 	/* initialize timer thread */
 	rt_system_timer_thread_init();
 
diff --git a/bsp/stm32f10x/applications/startup.c b/bsp/stm32f10x/applications/startup.c
index 25d947dae9..713d221396 100644
--- a/bsp/stm32f10x/applications/startup.c
+++ b/bsp/stm32f10x/applications/startup.c
@@ -80,6 +80,9 @@ void rtthread_startup(void)
     /* init scheduler system */
     rt_system_scheduler_init();
 
+    /* initialize timer */
+    rt_system_timer_init();
+
     /* init timer thread */
     rt_system_timer_thread_init();
 
diff --git a/bsp/xplorer4330/applications/startup.c b/bsp/xplorer4330/applications/startup.c
index 236854ab9b..f4c2779078 100644
--- a/bsp/xplorer4330/applications/startup.c
+++ b/bsp/xplorer4330/applications/startup.c
@@ -64,6 +64,9 @@ void rtthread_startup(void)
     /* init application */
     rt_application_init();
 
+    /* initialize timer */
+    rt_system_timer_init();
+
     /* init timer thread */
     rt_system_timer_thread_init();