6 files changed, 7 insertions, 2 deletions
diff --git a/components/libc/compilers/dlib/syscall_close.c b/components/libc/compilers/dlib/syscall_close.c
index 294c81f6c0..736023023d 100644
--- a/components/libc/compilers/dlib/syscall_close.c
+++ b/components/libc/compilers/dlib/syscall_close.c
@@ -7,6 +7,7 @@
  * Date           Author       Notes
  * 2015-01-28     Bernard      first version
  */
+
 #include <rtthread.h>
 #include <LowLevelIOInterface.h>
 #include <unistd.h>
diff --git a/components/libc/compilers/dlib/syscall_lseek.c b/components/libc/compilers/dlib/syscall_lseek.c
index 3bfec38998..b2c47e71c9 100644
--- a/components/libc/compilers/dlib/syscall_lseek.c
+++ b/components/libc/compilers/dlib/syscall_lseek.c
@@ -7,6 +7,7 @@
  * Date           Author       Notes
  * 2015-01-28     Bernard      first version
  */
+
 #include <rtthread.h>
 #include <LowLevelIOInterface.h>
 #include <unistd.h>
diff --git a/components/libc/compilers/dlib/syscall_mem.c b/components/libc/compilers/dlib/syscall_mem.c
index 57060da842..2de0974e4e 100644
--- a/components/libc/compilers/dlib/syscall_mem.c
+++ b/components/libc/compilers/dlib/syscall_mem.c
@@ -8,6 +8,7 @@
  * 2015-01-28     Bernard      first version
  * 2021-11-13     Meco Man     implement no-heap warning
  */
+
 #include <rtthread.h>
 #include <stddef.h>
 
diff --git a/components/libc/compilers/dlib/syscall_remove.c b/components/libc/compilers/dlib/syscall_remove.c
index 40c51164a9..04230544da 100644
--- a/components/libc/compilers/dlib/syscall_remove.c
+++ b/components/libc/compilers/dlib/syscall_remove.c
@@ -7,6 +7,7 @@
  * Date           Author       Notes
  * 2015-01-28     Bernard      first version
  */
+
 #include <rtthread.h>
 #include <LowLevelIOInterface.h>
 #include <unistd.h>
diff --git a/components/libc/compilers/dlib/syscall_write.c b/components/libc/compilers/dlib/syscall_write.c
index 3af08daba9..4eead9aa38 100644
--- a/components/libc/compilers/dlib/syscall_write.c
+++ b/components/libc/compilers/dlib/syscall_write.c
@@ -40,7 +40,7 @@ size_t __write(int handle, const unsigned char *buf, size_t len)
 
     if ((handle == _LLIO_STDOUT) || (handle == _LLIO_STDERR))
     {
-#ifdef RT_USING_CONSOLE
+#if defined(RT_USING_CONSOLE) && defined(RT_USING_DEVICE)
         rt_device_t console_device;
 
         console_device = rt_console_get_device();
@@ -52,7 +52,7 @@ size_t __write(int handle, const unsigned char *buf, size_t len)
         return len; /* return the length of the data written */
 #else
         return _LLIO_ERROR;
-#endif /* RT_USING_CONSOLE */
+#endif /* defined(RT_USING_CONSOLE) && defined(RT_USING_DEVICE) */
     }
     else if (handle == _LLIO_STDIN)
     {
diff --git a/components/libc/compilers/dlib/syscalls.c b/components/libc/compilers/dlib/syscalls.c
index 1ee6a3bc12..391cbcac8a 100644
--- a/components/libc/compilers/dlib/syscalls.c
+++ b/components/libc/compilers/dlib/syscalls.c
@@ -7,6 +7,7 @@
  * Date           Author       Notes
  * 2021-02-13     Meco Man     implement exit() and abort()
  */
+
 #include <rtthread.h>
 
 /* for exit() and abort() */