diff --git a/components/drivers/Kconfig b/components/drivers/Kconfig
index 56e5b8373ac540ab66248c42be5008dd6bddaadf..4aceee3b4ed05ebff58503336cf14cab0e8fa7e5 100755
--- a/components/drivers/Kconfig
+++ b/components/drivers/Kconfig
@@ -471,6 +471,12 @@ menuconfig RT_USING_WIFI
                 select RT_WLAN_CFG_ENABLE
                 select RT_WLAN_WORK_THREAD_ENABLE
                 default y
+
+            if RT_WLAN_AUTO_CONNECT_ENABLE
+                config AUTO_CONNECTION_PERIOD_MS
+                    int "Auto connect period(ms)"
+                    default 2000
+            endif
         endif
 
         config RT_WLAN_CFG_ENABLE
diff --git a/components/drivers/wlan/wlan_dev.c b/components/drivers/wlan/wlan_dev.c
index e0f9eff2790b0345b925691a099ceaa9502cfc05..2490c2c4566502fe903736629252536f62e27ac2 100644
--- a/components/drivers/wlan/wlan_dev.c
+++ b/components/drivers/wlan/wlan_dev.c
@@ -535,8 +535,16 @@ rt_err_t rt_wlan_dev_scan(struct rt_wlan_device *device, struct rt_wlan_info *in
         }
         rt_memcpy(&scan_info.ssid, &info->ssid, sizeof(rt_wlan_ssid_t));
         rt_memcpy(scan_info.bssid, info->bssid, RT_WLAN_BSSID_MAX_LENGTH);
-        scan_info.channel_min = -1;
-        scan_info.channel_max = -1;
+        if (info->channel > 0)
+        {
+            scan_info.channel_min = info->channel;
+            scan_info.channel_max = info->channel;
+        }
+        else
+        {
+            scan_info.channel_min = -1;
+            scan_info.channel_max = -1;
+        }
         p_scan_info = &scan_info;
     }
     result = rt_device_control(RT_DEVICE(device), RT_WLAN_CMD_SCAN, p_scan_info);
diff --git a/components/drivers/wlan/wlan_mgnt.c b/components/drivers/wlan/wlan_mgnt.c
index 5dc0119abd55b1503c8c3d7c0d3468c2bd919356..88923a61e6aab44645c81d73a46b8b0b7f7971fe 100644
--- a/components/drivers/wlan/wlan_mgnt.c
+++ b/components/drivers/wlan/wlan_mgnt.c
@@ -58,10 +58,6 @@
 #define TIME_START()
 #endif
 
-#ifndef DISCONNECT_RESPONSE_MS
-#define DISCONNECT_RESPONSE_MS    (2000)
-#endif
-
 #if RT_WLAN_EBOX_NUM < 1
 #error "event box num Too few"
 #endif
@@ -2020,7 +2016,7 @@ int rt_wlan_init(void)
         rt_mutex_init(&complete_mutex, "complete", RT_IPC_FLAG_FIFO);
 #ifdef RT_WLAN_AUTO_CONNECT_ENABLE
         rt_timer_init(&reconnect_time, "wifi_tim", rt_wlan_cyclic_check, RT_NULL,
-                      rt_tick_from_millisecond(DISCONNECT_RESPONSE_MS),
+                      rt_tick_from_millisecond(AUTO_CONNECTION_PERIOD_MS),
                       RT_TIMER_FLAG_PERIODIC | RT_TIMER_FLAG_SOFT_TIMER);
 #endif
         _init_flag = 1;
diff --git a/components/drivers/wlan/wlan_mgnt.h b/components/drivers/wlan/wlan_mgnt.h
index 57d8dd9d78dadddffa750cfcf19d3e48af987ae7..df0827bb7b09746591a8acc479adb36814fd21dd 100644
--- a/components/drivers/wlan/wlan_mgnt.h
+++ b/components/drivers/wlan/wlan_mgnt.h
@@ -41,6 +41,10 @@ extern "C" {
 #define RT_WLAN_SCAN_RETRY_CNT      (3)
 #endif
 
+#ifndef AUTO_CONNECTION_PERIOD_MS
+#define AUTO_CONNECTION_PERIOD_MS (2000)
+#endif
+
 /*state fot station*/
 #define RT_WLAN_STATE_CONNECT     (1UL << 0)
 #define RT_WLAN_STATE_CONNECTING  (1UL << 1)