diff --git a/components/drivers/wlan/dev_wlan_mgnt.c b/components/drivers/wlan/dev_wlan_mgnt.c
index 5d338ba7a56..b5cb3959db9 100644
--- a/components/drivers/wlan/dev_wlan_mgnt.c
+++ b/components/drivers/wlan/dev_wlan_mgnt.c
@@ -1132,10 +1132,16 @@ rt_bool_t rt_wlan_is_ready(void)
     return _ready;
 }
 
-rt_err_t rt_wlan_set_mac(rt_uint8_t mac[6])
+rt_err_t rt_wlan_set_mac(rt_uint8_t *mac)
 {
     rt_err_t err = RT_EOK;
 
+    if (mac == RT_NULL)
+    {
+        RT_WLAN_LOG_E("mac addr is null");
+        return -RT_EINVAL;
+    }
+
     if (_sta_is_null())
     {
         return -RT_EIO;
@@ -1155,10 +1161,16 @@ rt_err_t rt_wlan_set_mac(rt_uint8_t mac[6])
     return err;
 }
 
-rt_err_t rt_wlan_get_mac(rt_uint8_t mac[6])
+rt_err_t rt_wlan_get_mac(rt_uint8_t *mac)
 {
     rt_err_t err = RT_EOK;
 
+    if (mac == RT_NULL)
+    {
+        RT_WLAN_LOG_E("mac addr is null");
+        return -RT_EINVAL;
+    }
+
     if (_sta_is_null())
     {
         return -RT_EIO;