diff --git a/examples/kernel/SConscript b/examples/kernel/SConscript
index e8c73e994266762c7d3dfbf1373c258d6888880e..e0b795443c82912a4169e6d40914f9e50c8e050c 100644
--- a/examples/kernel/SConscript
+++ b/examples/kernel/SConscript
@@ -22,7 +22,10 @@ mutex_simple.c
 event_simple.c
 mbox_simple.c
 messageq_simple.c
-timer_simple.c
+timer_static.c
+timer_dynamic.c
+timer_stop_self.c
+timer_control.c
 heap_malloc.c
 heap_realloc.c
 memp_simple.c
diff --git a/examples/kernel/timer_control.c b/examples/kernel/timer_control.c
index 7039000dfb9627f0aa46056e3b6f63e8a0b22f8c..fdee627f588f201cd32b3e88484ca0be8df605db 100644
--- a/examples/kernel/timer_control.c
+++ b/examples/kernel/timer_control.c
@@ -20,12 +20,12 @@ static void timeout1(void* parameter)
 	if (count >= 8)
 	{
 		/* 控制定时器然后更改超时时间长度 */
-		rt_timer_control(timer1, RT_TIMER_CTRL_SET_TIME, 50);
+		rt_timer_control(timer1, RT_TIMER_CTRL_SET_TIME, (void*)50);
 		count = 0;
 	}
 }
 
-void timer_stop_self_init()
+void timer_control_init()
 {
 	/* 创建定时器1 */
 	timer1 = rt_timer_create("timer1",  /* 定时器名字是 timer1 */
@@ -57,25 +57,25 @@ static void _tc_cleanup()
 	tc_done(TC_STAT_PASSED);
 }
 
-int _tc_timer_stop_self()
+int _tc_timer_control()
 {
 	/* 设置TestCase清理回调函数 */
 	tc_cleanup(_tc_cleanup);
 
 	/* 执行定时器例程 */
 	count = 0;
-	timer_stop_self_init();
+	timer_control_init();
 
 	/* 返回TestCase运行的最长时间 */
 	return 100;
 }
 /* 输出函数命令到finsh shell中 */
-FINSH_FUNCTION_EXPORT(_tc_timer_stop_self, a dynamic timer example);
+FINSH_FUNCTION_EXPORT(_tc_timer_control, a timer control example);
 #else
 /* 用户应用入口 */
 int rt_application_init()
 {
-	timer_stop_self_init();
+	timer_control_init();
 
 	return 0;
 }
diff --git a/examples/kernel/timer_dynamic.c b/examples/kernel/timer_dynamic.c
index a4f5ed947f1fbdfdd93ef911e0ca9cde1fcc3e23..b28a4c9056a50e11cdaa7bb31e02e77d85cde94e 100644
--- a/examples/kernel/timer_dynamic.c
+++ b/examples/kernel/timer_dynamic.c
@@ -11,13 +11,13 @@ static rt_timer_t timer1;
 static rt_timer_t timer2;
 
 /* 定时器1超时函数 */
-void timeout1(void* parameter)
+static void timeout1(void* parameter)
 {
 	rt_kprintf("periodic timer is timeout\n");
 }
 
 /* 定时器2超时函数 */
-void timeout2(void* parameter)
+static void timeout2(void* parameter)
 {
 	rt_kprintf("one shot timer is timeout\n");
 }
diff --git a/examples/kernel/timer_static.c b/examples/kernel/timer_static.c
index 9009bf62d901024426899a7eedffa3546eba4370..bddfe63af3ea472e9839b831ffd9b70230603fe1 100644
--- a/examples/kernel/timer_static.c
+++ b/examples/kernel/timer_static.c
@@ -70,7 +70,7 @@ int _tc_timer_static()
 	return 100;
 }
 /* 输出函数命令到finsh shell中 */
-FINSH_FUNCTION_EXPORT(_tc_timer_static, a simple timer example);
+FINSH_FUNCTION_EXPORT(_tc_timer_static, a static timer example);
 #else
 /* 用户应用入口 */
 int rt_application_init()