diff --git a/wpa_supplicant-2.9_standard/wpa_supplicant/events.c b/wpa_supplicant-2.9_standard/wpa_supplicant/events.c
index aa457a15aca75868380d0840fa054936263d1102..19522b685ad6346606800a8a1bf1cd3eaec4cbeb 100644
--- a/wpa_supplicant-2.9_standard/wpa_supplicant/events.c
+++ b/wpa_supplicant-2.9_standard/wpa_supplicant/events.c
@@ -6857,6 +6857,16 @@ void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
 
 		wpa_s->links[data->ch_switch.link_id].freq =
 			data->ch_switch.freq;
+#ifdef CONFIG_OPEN_HARMONY_PATCH
+	if (wpa_s->links[data->ch_switch.link_id].bss &&
+		wpa_s->links[data->ch_switch.link_id].bss->freq) {
+		wpa_printf(MSG_INFO, "links bss freq: %d",
+			wpa_s->links[data->ch_switch.link_id].bss->freq);
+	} else {
+		wpa_printf(MSG_ERROR, "links bss or freq is NULL");
+		break;
+	}
+#endif
 		if (wpa_s->links[data->ch_switch.link_id].bss &&
 		    wpa_s->links[data->ch_switch.link_id].bss->freq !=
 		    data->ch_switch.freq) {