diff --git a/components/libc/compilers/armlibc/syscalls.c b/components/libc/compilers/armlibc/syscalls.c
index a3ba57a28050caf45170dc473e711d2f08f911c4..7d8ec2e8b44e5e0501aa2daf9cf5512f5a47e0c6 100644
--- a/components/libc/compilers/armlibc/syscalls.c
+++ b/components/libc/compilers/armlibc/syscalls.c
@@ -152,8 +152,8 @@ int _sys_read(FILEHANDLE fh, unsigned char *buf, unsigned len, int mode)
 #ifdef RT_USING_POSIX
         if (libc_stdio_get_console() < 0)
         {
-            LOG_E("invoke standard output before initializing libc");
-            return -1;
+            LOG_W("Do not invoke standard output before initializing libc");
+            return 0;
         }
         size = read(STDIN_FILENO, buf, len);
         return len - size;
@@ -197,8 +197,8 @@ int _sys_write(FILEHANDLE fh, const unsigned char *buf, unsigned len, int mode)
 #ifdef RT_USING_POSIX
         if (libc_stdio_get_console() < 0)
         {
-            LOG_E("invoke standard input before initializing libc");
-            return -1;
+            LOG_W("Do not invoke standard input before initializing libc");
+            return 0;
         }
         size = write(STDOUT_FILENO, buf, len);
         return len - size;
diff --git a/components/libc/compilers/dlib/syscall_read.c b/components/libc/compilers/dlib/syscall_read.c
index bdc694b7d8fb1e180ec927dbcc68b91dd976cdf6..ae980be6ca08d132d3fca24129829e167816b7ce 100644
--- a/components/libc/compilers/dlib/syscall_read.c
+++ b/components/libc/compilers/dlib/syscall_read.c
@@ -31,8 +31,8 @@ size_t __read(int handle, unsigned char *buf, size_t len)
 #ifdef RT_USING_POSIX
         if (libc_stdio_get_console() < 0)
         {
-            LOG_E("invoke standard input before initializing libc");
-            return _LLIO_ERROR;
+            LOG_W("Do not invoke standard input before initializing libc");
+            return 0;
         }
         return read(STDIN_FILENO, buf, len);
 #else
diff --git a/components/libc/compilers/dlib/syscall_write.c b/components/libc/compilers/dlib/syscall_write.c
index bd7cc83d999871a130978fa8904800dacf54eff8..ffee51882d405bc5fd22dbd499c318c4dae3e21e 100644
--- a/components/libc/compilers/dlib/syscall_write.c
+++ b/components/libc/compilers/dlib/syscall_write.c
@@ -36,8 +36,8 @@ size_t __write(int handle, const unsigned char *buf, size_t len)
 #ifdef RT_USING_POSIX
         if (libc_stdio_get_console() < 0)
         {
-            LOG_E("invoke standard output before initializing libc");
-            return _LLIO_ERROR;
+            LOG_W("Do not invoke standard output before initializing libc");
+            return 0;
         }
         return write(STDOUT_FILENO, (void*)buf, len);
 #else
diff --git a/components/libc/compilers/newlib/syscalls.c b/components/libc/compilers/newlib/syscalls.c
index 1cb7475fe1b3d0be2f0a03f1312ef5f80f531cb5..4c1dc82ad376313b69e20b59d9009dcf0e6bf673 100644
--- a/components/libc/compilers/newlib/syscalls.c
+++ b/components/libc/compilers/newlib/syscalls.c
@@ -227,8 +227,8 @@ _ssize_t _read_r(struct _reent *ptr, int fd, void *buf, size_t nbytes)
     _ssize_t rc;
     if (libc_stdio_get_console() < 0 && fd == STDIN_FILENO)
     {
-        LOG_E("invoke standard input before initializing libc");
-        return -1;
+        LOG_W("Do not invoke standard input before initializing libc");
+        return 0;
     }
     rc = read(fd, buf, nbytes);
     return rc;
@@ -303,8 +303,8 @@ _ssize_t _write_r(struct _reent *ptr, int fd, const void *buf, size_t nbytes)
     _ssize_t rc;
     if (libc_stdio_get_console() < 0 && fd == STDOUT_FILENO)
     {
-        LOG_E("invoke standard output before initializing libc");
-        return -1;
+        LOG_W("Do not invoke standard output before initializing libc");
+        return 0;
     }
     rc = write(fd, buf, nbytes);
     return rc;