diff --git a/setting/setting/src/main/cpp/wpa_work.c b/setting/setting/src/main/cpp/wpa_work.c
index 4bd8018..97d5bf8 100755
--- a/setting/setting/src/main/cpp/wpa_work.c
+++ b/setting/setting/src/main/cpp/wpa_work.c
@@ -15,6 +15,7 @@
 
 #include "wpa_work.h"
 #include <sys/prctl.h>
+#include <iostream>
 #include <string>
 
 #define WPA_IFACE_NAME "wlan0"