diff --git a/src/lynq/lib/liblynq-wifi6/libwifi6.c b/src/lynq/lib/liblynq-wifi6/libwifi6.c
index 18c7fe5..2525771 100755
--- a/src/lynq/lib/liblynq-wifi6/libwifi6.c
+++ b/src/lynq/lib/liblynq-wifi6/libwifi6.c
@@ -597,7 +597,7 @@
     if (NULL == mac || NULL == ip)
         return -1;
     memset(ip, 0, ip_len);
-    sprintf(cmd, "ip neigh | grep \"lladdr\" | grep \"tether\" | grep \"%s\" | head -1 | awk '{print $1}'", mac);
+    sprintf(cmd, "ip n s | grep \"lladdr\" | grep \"%s\" | head -1 | awk '{print $1}'", mac);
     ret = exec_cmd(cmd, ip, ip_len);
     p = strchr(ip, '\n');
     if (NULL != p)
@@ -934,6 +934,27 @@
 
     return 0;
 }
+
+static int lynq_check_frequencyby_country_code(int input_frequency)
+{
+    char str_cnc[]="CN";
+    char str_dest[20]="";
+
+    if( lynq_get_country_code(1,str_dest) != 0 )
+    {
+        printf("get country_code error\n");
+	return -1;
+    }
+    if( strncmp(str_dest,str_cnc,2) != 0 )
+    {
+        return 0;
+    }else if( 2473 < input_frequency && input_frequency < 5744)
+    {
+        printf("input frequency is bad\n");
+	return -1;
+    } 
+    return 0;
+}
 int lynq_wifi_ap_frequency_set(lynq_wifi_index_e idx,int lynq_wifi_frequency)
 {
     int check;
@@ -948,6 +969,13 @@
         printf("do check frequency error\n");
         return -1;
     }
+    check = lynq_check_frequencyby_country_code(lynq_wifi_frequency);
+    if(check != 0)
+    {
+        printf("do check frequency error\n");
+        return -1;
+    }
+
     if (lynq_check_network_number(idx, CTRL_AP, AP_NETWORK_0) != 0)
     {
         return -1;
@@ -1611,9 +1639,12 @@
             continue;
         }
 
-        strcpy(password, p);
+        if (*p == '\"')
+            p++;
+        strncpy(password, p, 64);
 
-        while(*password != '\0') {
+        p = password;
+        while(password - p < 64 && *password != '\0') {
             if (*password == '\"') {
                 *password = '\0';
                 break;
@@ -2612,7 +2643,8 @@
 
 int lynq_get_connect_ap_ip(lynq_wifi_index_e idx, char *ip)
 {
-    char bssid[1024] = {0};
+    curr_status_info curr_state;
+    ap_info_s ap;
 
     if (ip == NULL)
     {
@@ -2622,12 +2654,15 @@
 
     CHECK_IDX(idx, CTRL_STA);
 
-    if (lynq_get_connect_ap_mac(idx, bssid) != 0)
+    memset(&ap, 0, sizeof (ap));
+    curr_state.ap = &ap;
+    curr_state.state = NULL;
+    if (inner_get_status_info(idx, &curr_state) != 0)
     {
         return -1;
     }
-
-    return inner_get_ip_by_mac(bssid, ip, 32); //better input by user
+    strcpy(ip, curr_state.ap->ap_ip);
+    return 0;
 }
 
 int lynq_ap_connect_num(int sta_number)