diff --git a/include/rtdebug.h b/include/rtdebug.h
index 9cd6c5e0e6292935fc821f627260585d916c3555..e6003203614a7730cdaad2b5fbb7afd75c727d17 100644
--- a/include/rtdebug.h
+++ b/include/rtdebug.h
@@ -28,6 +28,15 @@
 #if !defined(RT_USING_DFS) || !defined(RT_USING_DFS_DEVFS)
 #error "POSIX poll/select, stdin need file system(RT_USING_DFS) and device file system(RT_USING_DFS_DEVFS)"
 #endif
+
+#if defined(RT_USING_LWIP) && !defined(RT_USING_DFS_NET)
+#error "POSIX poll/select, stdin need file BSD socket API(RT_USING_DFS_NET)"
+#endif
+
+#if !defined(RT_USING_LIBC)
+#error "POSIX layer need standard C library(RT_USING_LIBC)"
+#endif
+
 #endif
 
 #ifdef RT_USING_POSIX_TERMIOS