diff --git a/components/uservice/src/select.c b/components/uservice/src/select.c
index e0b82e03c58f2fe746b2dcca638420179900cee4..29e872aedeb6b2332ad130ecf48d7cc3accb771c 100644
--- a/components/uservice/src/select.c
+++ b/components/uservice/src/select.c
@@ -4,6 +4,7 @@
 
 #include <aos/kernel.h>
 #include <sys/select.h>
+#include <sys/time.h>
 //#include "lwip/opt.h"
 //#include "lwip/sockets.h"