diff --git a/include/libs/monitorfw/taos_counter.h b/include/libs/monitorfw/taos_counter.h
index 910f6e1aed..7797c695ab 100644
--- a/include/libs/monitorfw/taos_counter.h
+++ b/include/libs/monitorfw/taos_counter.h
@@ -15,8 +15,8 @@
 
 #ifndef TAOS_COUNTER_H
 #define TAOS_COUNTER_H
-
 #include <stdlib.h>
+#include "os.h"
 
 #include "taos_metric.h"