diff --git a/src/lynq/lib/liblynq-wifi6/include/libwifi6.h b/src/lynq/lib/liblynq-wifi6/include/libwifi6.h
index c6e4803..adc9ef2 100755
--- a/src/lynq/lib/liblynq-wifi6/include/libwifi6.h
+++ b/src/lynq/lib/liblynq-wifi6/include/libwifi6.h
@@ -218,4 +218,12 @@
 int lynq_get_connect_ap_band(lynq_wifi_index_e idx,lynq_wifi_band_m * band);
 int lynq_get_connect_ap_ip(lynq_wifi_index_e idx,char *ip);
 
+/*****add limit of connected ap device number 2022.10.12 by qs.xiong
+ *
+ *sta_number:
+ *      ap max be connected no more than 15
+ *      so sta_number : [1-15] 
+ */
+int lynq_ap_connect_num(int sta_number);
+
 #endif