diff --git a/components/libc/compilers/armlibc/README.md b/components/libc/compilers/armlibc/README.md
index fc0d750234..5f9d8a20ca 100644
--- a/components/libc/compilers/armlibc/README.md
+++ b/components/libc/compilers/armlibc/README.md
@@ -1,3 +1,5 @@
 # ARMLIB (Keil-MDK) porting for RT-Thread
 
-https://www.keil.com/support/man/docs/armlib/
\ No newline at end of file
+https://www.keil.com/support/man/docs/armlib/
+
+https://www.keil.com/support/man/docs/armlib/armlib_chr1358938918041.htm
\ No newline at end of file
diff --git a/components/libc/posix/libdl/dlmodule.c b/components/libc/posix/libdl/dlmodule.c
index ffa23de82d..d7f176acbd 100644
--- a/components/libc/posix/libdl/dlmodule.c
+++ b/components/libc/posix/libdl/dlmodule.c
@@ -15,6 +15,7 @@
 #include "dlelf.h"
 
 #ifdef RT_USING_POSIX_FS
+#include <fcntl.h>
 #include <unistd.h>
 #include <sys/stat.h>
 #include <sys/statfs.h>