diff --git a/bsp/qemu-vexpress-a9/drivers/drv_log.h b/bsp/qemu-vexpress-a9/drivers/drv_log.h
new file mode 100644
index 0000000000..ec7ca42c0c
--- /dev/null
+++ b/bsp/qemu-vexpress-a9/drivers/drv_log.h
@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2006-2022, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2022-12-8     zhkag   first version
+ */
+
+/*
+ * NOTE: DO NOT include this file on the header file.
+ */
+
+#ifndef LOG_TAG
+#define DBG_TAG               "drv"
+#else
+#define DBG_TAG               LOG_TAG
+#endif /* LOG_TAG */
+
+#ifdef DRV_DEBUG
+#define DBG_LVL               DBG_LOG
+#else
+#define DBG_LVL               DBG_INFO
+#endif /* DRV_DEBUG */
+
+#include <rtdbg.h>
diff --git a/components/libc/compilers/common/ctime.c b/components/libc/compilers/common/ctime.c
index 493b502534..ace480a54b 100644
--- a/components/libc/compilers/common/ctime.c
+++ b/components/libc/compilers/common/ctime.c
@@ -727,7 +727,7 @@ int clock_nanosleep(clockid_t clockid, int flags, const struct timespec *rqtp, s
     case CLOCK_REALTIME:
     {
         rt_tick_t tick, tick_old = rt_tick_get();
-        if (flags & TIMER_ABSTIME == TIMER_ABSTIME)
+        if ((flags & TIMER_ABSTIME) == TIMER_ABSTIME)
         {
             tick = (rqtp->tv_sec - _timevalue.tv_sec) * RT_TICK_PER_SECOND + (rqtp->tv_nsec - _timevalue.tv_usec) * (RT_TICK_PER_SECOND / NANOSECOND_PER_SECOND);
             rt_tick_t rt_tick = rt_tick_get();
@@ -763,7 +763,7 @@ int clock_nanosleep(clockid_t clockid, int flags, const struct timespec *rqtp, s
         float unit = clock_cpu_getres();
 
         cpu_tick = (rqtp->tv_sec * NANOSECOND_PER_SECOND + rqtp->tv_nsec * (NANOSECOND_PER_SECOND / NANOSECOND_PER_SECOND)) / unit;
-        if (flags & TIMER_ABSTIME == TIMER_ABSTIME)
+        if ((flags & TIMER_ABSTIME) == TIMER_ABSTIME)
             cpu_tick = cpu_tick < cpu_tick_old ? 0 : cpu_tick - cpu_tick_old;
         tick = (unit * cpu_tick) / (NANOSECOND_PER_SECOND / RT_TICK_PER_SECOND);
         rt_thread_delay(tick);
@@ -1007,7 +1007,6 @@ RTM_EXPORT(timer_delete);
  **/
 int timer_getoverrun(timer_t timerid)
 {
-    struct timer_obj *timer = (struct timer_obj *)((uintptr_t)timerid << 1);
     rt_set_errno(ENOSYS);
     return -RT_ERROR;
 }
@@ -1125,7 +1124,7 @@ int timer_settime(timer_t timerid, int flags, const struct itimerspec *value,
         *    RT_TICK_PER_SECOND           NANOSECOND_PER_SECOND                         NANOSECOND_PER_SECOND
         *
         */
-    if (flags & TIMER_ABSTIME == TIMER_ABSTIME)
+    if ((flags & TIMER_ABSTIME) == TIMER_ABSTIME)
     {
 #ifndef RT_USING_RTC
     LOG_W(_WARNING_NO_RTC);
diff --git a/components/lwp/lwp_syscall.c b/components/lwp/lwp_syscall.c
index c241e1ef83..0c49e3c960 100644
--- a/components/lwp/lwp_syscall.c
+++ b/components/lwp/lwp_syscall.c
@@ -929,7 +929,8 @@ int sys_nanosleep(const struct timespec *rqtp, struct timespec *rmtp)
     if ((ret != -1 || rt_get_errno() == EINTR) && rmtp && lwp_user_accessable((void *)rmtp, sizeof *rmtp))
     {
         lwp_put_to_user(rmtp, (void *)&rmtp_k, sizeof rmtp_k);
-        return -EINTR;
+        if(ret != 0)
+            return -EINTR;
     }
 #else
     if (rmtp)
@@ -3878,7 +3879,8 @@ int sys_clock_nanosleep(clockid_t clk, int flags, const struct timespec *rqtp, s
     if ((ret != -1 || rt_get_errno() == EINTR) && rmtp && lwp_user_accessable((void *)rmtp, sizeof *rmtp))
     {
         lwp_put_to_user(rmtp, (void *)&rmtp_k, sizeof rmtp_k);
-        return -EINTR;
+                if(ret != 0)
+            return -EINTR;
     }
 #else
     if (rmtp)