diff --git a/samples/none_os/user/task/wifi_task.c b/samples/none_os/user/task/wifi_task.c
index 1cd4d51..b0de4ef 100644
--- a/samples/none_os/user/task/wifi_task.c
+++ b/samples/none_os/user/task/wifi_task.c
@@ -197,7 +197,7 @@ void wifi_init(void)
     at_send_multiline(at_obj, &attr, wifi_init_cmds);  
     
     //GPIO测试
-    at_send_singlline(at_obj, NULL, 500, 2, "AT+GPIO_TEST_EN=1\r\n");  
+    at_send_singlline(at_obj, &attr, "AT+GPIO_TEST_EN=1\r\n");  
     
 }driver_init("wifi", wifi_init);