diff --git a/components/lwp/lwp_syscall.h b/components/lwp/lwp_syscall.h
index 286a0a8852..8389835138 100644
--- a/components/lwp/lwp_syscall.h
+++ b/components/lwp/lwp_syscall.h
@@ -5,11 +5,6 @@
  *
  * Change Logs:
  * Date           Author       Notes
- * 2006-03-18     Bernard      the first version
- * 2006-04-25     Bernard      add rt_hw_context_switch_interrupt declaration
- * 2006-09-24     Bernard      add rt_hw_context_switch_to declaration
- * 2012-12-29     Bernard      add rt_hw_exception_install declaration
- * 2017-10-17     Hichard      add some micros
  * 2018-12-10     Jesven       fix complie error in iar and keil
  */
 
diff --git a/src/scheduler.c b/src/scheduler.c
index cd66284c7a..850c70306d 100644
--- a/src/scheduler.c
+++ b/src/scheduler.c
@@ -445,8 +445,8 @@ void rt_schedule(void)
                 /* switch to new thread */
                 RT_DEBUG_LOG(RT_DEBUG_SCHEDULER,
                         ("[%d]switch to priority#%d "
-                         "thread:%.*s(sp:0x%p), "
-                         "from thread:%.*s(sp: 0x%p)\n",
+                         "thread:%.*s(sp:0x%08x), "
+                         "from thread:%.*s(sp: 0x%08x)\n",
                          rt_interrupt_nest, highest_ready_priority,
                          RT_NAME_MAX, to_thread->name, to_thread->sp,
                          RT_NAME_MAX, from_thread->name, from_thread->sp));